/**
    * Copyright 2005-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    * http://www.opensource.org/licenses/ecl2.php
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.kuali.rice.krms.impl.repository;
  
  import org.apache.commons.lang.StringUtils;
  import org.apache.commons.lang.builder.EqualsBuilder;
  import org.kuali.rice.core.api.CoreConstants;
  import org.kuali.rice.core.api.criteria.Predicate;
  import org.kuali.rice.core.api.criteria.QueryByCriteria;
  import org.kuali.rice.core.api.criteria.QueryResults;
  import org.kuali.rice.core.api.exception.RiceIllegalArgumentException;
  import org.kuali.rice.krad.data.DataObjectService;
  import org.kuali.rice.krad.data.platform.MaxValueIncrementerFactory;
  import org.kuali.rice.krms.api.repository.NaturalLanguageTree;
  import org.kuali.rice.krms.api.repository.RuleManagementService;
  import org.kuali.rice.krms.api.repository.TranslateBusinessMethods;
  import org.kuali.rice.krms.api.repository.action.ActionDefinition;
  import org.kuali.rice.krms.api.repository.agenda.AgendaDefinition;
  import org.kuali.rice.krms.api.repository.agenda.AgendaItemDefinition;
  import org.kuali.rice.krms.api.repository.context.ContextDefinition;
  import org.kuali.rice.krms.api.repository.language.NaturalLanguageTemplate;
  import org.kuali.rice.krms.api.repository.language.NaturalLanguageTemplaterContract;
  import org.kuali.rice.krms.api.repository.language.NaturalLanguageUsage;
  import org.kuali.rice.krms.api.repository.proposition.PropositionDefinition;
  import org.kuali.rice.krms.api.repository.proposition.PropositionParameter;
  import org.kuali.rice.krms.api.repository.proposition.PropositionParameterType;
  import org.kuali.rice.krms.api.repository.proposition.PropositionType;
  import org.kuali.rice.krms.api.repository.reference.ReferenceObjectBinding;
  import org.kuali.rice.krms.api.repository.rule.RuleDefinition;
  import org.kuali.rice.krms.api.repository.term.TermDefinition;
  import org.kuali.rice.krms.api.repository.term.TermRepositoryService;
  import org.kuali.rice.krms.impl.repository.language.SimpleNaturalLanguageTemplater;
  import org.springframework.jdbc.support.incrementer.DataFieldMaxValueIncrementer;
  
  import javax.sql.DataSource;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.LinkedHashSet;
  import java.util.LinkedList;
  import java.util.List;
  import java.util.Set;
  
  import static org.kuali.rice.core.api.criteria.PredicateFactory.in;
  
  /**
   * The implementation of {@link RuleManagementService} operations facilitate management of rules and
   * associated information.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class RuleManagementServiceImpl extends RuleRepositoryServiceImpl implements RuleManagementService {
  
      private ReferenceObjectBindingBoService referenceObjectBindingBoService = new ReferenceObjectBindingBoServiceImpl();
      private AgendaBoService agendaBoService = new AgendaBoServiceImpl();
      private RuleBoService ruleBoService = new RuleBoServiceImpl();
      private ActionBoService actionBoService = new ActionBoServiceImpl();
      private PropositionBoService propositionBoService = new PropositionBoServiceImpl();
      private NaturalLanguageUsageBoService naturalLanguageUsageBoService = new NaturalLanguageUsageBoServiceImpl();
      private NaturalLanguageTemplateBoService naturalLanguageTemplateBoService = new NaturalLanguageTemplateBoServiceImpl();
      private ContextBoService contextBoService = new ContextBoServiceImpl();
      private NaturalLanguageTemplaterContract templater = new SimpleNaturalLanguageTemplater();
      private TermRepositoryService termRepositoryService = new TermBoServiceImpl();
      private TranslateBusinessMethods translationBusinessMethods = null;
  
      // For MaxValueIncrementerFactory use.
      private DataSource dataSource;
      private DataFieldMaxValueIncrementer ruleSequenceIncrementer;
      private DataFieldMaxValueIncrementer referenceObjectBindingSequenceIncrementer;
      private static final String RULE_SEQ_NAME = "KRMS_RULE_S";
      private static final String REF_OBJ_SEQ_NAME= "KRMS_REF_OBJ_KRMS_OBJ_S";
  
      /**
       * Fields to ignore when calling reflection-based equals in
       * {@link #isSame(org.kuali.rice.krms.api.repository.agenda.AgendaDefinition, org.kuali.rice.krms.api.repository.agenda.AgendaDefinition)}
       */
      private static final List<String> isSameIgnoreFields = Arrays.asList(
              AgendaDefinition.Elements.AGENDA_ID,
              CoreConstants.CommonElements.VERSION_NUMBER,
              CoreConstants.CommonElements.FUTURE_ELEMENTS
      );
  
      /**
       * get the {@link ReferenceObjectBindingBoService}
       * @return the {@link ReferenceObjectBindingBoService}
       */
     public ReferenceObjectBindingBoService getReferenceObjectBindingBoService() {
         return referenceObjectBindingBoService;
     }
 
     /**
      * set the {@link ReferenceObjectBindingBoService}
      * @param referenceObjectBindingBoService the {@link ReferenceObjectBindingBoService} to set
      */
     public void setReferenceObjectBindingBoService(ReferenceObjectBindingBoService referenceObjectBindingBoService) {
         this.referenceObjectBindingBoService = referenceObjectBindingBoService;
     }
 
     /**
      * get the {@link AgendaBoService}
      * @return the {@link AgendaBoService}
      */
     public AgendaBoService getAgendaBoService() {
         return agendaBoService;
     }
 
     /**
      * set the {@link AgendaBoService}
      * @param agendaBoService the {@link AgendaBoService} to set
      */
     public void setAgendaBoService(AgendaBoService agendaBoService) {
         this.agendaBoService = agendaBoService;
     }
 
     /**
      * get the {@link RuleBoService}
      * @return the {@link RuleBoService}
      */
     public RuleBoService getRuleBoService() {
         return ruleBoService;
     }
 
     /**
      * set the {@link RuleBoService}
      * @param ruleBoService the {@link RuleBoService} to set
      */
     public void setRuleBoService(RuleBoService ruleBoService) {
         this.ruleBoService = ruleBoService;
     }
 
     /**
      * get the {@link PropositionBoService}
      * @return the {@link PropositionBoService}
      */
     public PropositionBoService getPropositionBoService() {
         return propositionBoService;
     }
 
     /**
      * set the {@link PropositionBoService}
      * @param propositionBoService the {@link PropositionBoService} to set
      */
     public void setPropositionBoService(PropositionBoService propositionBoService) {
         this.propositionBoService = propositionBoService;
     }
 
     /**
      * set the {@link NaturalLanguageUsageBoService}
      * @return the {@link NaturalLanguageUsageBoService}
      */
     public NaturalLanguageUsageBoService getNaturalLanguageUsageBoService() {
         return naturalLanguageUsageBoService;
     }
 
     /**
      * set the {@link NaturalLanguageUsageBoService}
      * @param naturalLanguageUsageBoService the {@link NaturalLanguageUsageBoService} to set
      */
     public void setNaturalLanguageUsageBoService(NaturalLanguageUsageBoService naturalLanguageUsageBoService) {
         this.naturalLanguageUsageBoService = naturalLanguageUsageBoService;
     }
 
     /**
      * get the {@link NaturalLanguageTemplateBoService}
      * @return the {@link NaturalLanguageTemplateBoService}
      */
     public NaturalLanguageTemplateBoService getNaturalLanguageTemplateBoService() {
         return naturalLanguageTemplateBoService;
     }
 
     /**
      * set the {@link NaturalLanguageTemplateBoService}
      * @param naturalLanguageTemplateBoService the {@link NaturalLanguageTemplateBoService} to set
      */
     public void setNaturalLanguageTemplateBoService(NaturalLanguageTemplateBoService naturalLanguageTemplateBoService) {
         this.naturalLanguageTemplateBoService = naturalLanguageTemplateBoService;
     }
 
     /**
      * get the {@link ContextBoService}
      * @return the {@link ContextBoService}
      */
     public ContextBoService getContextBoService() {
         return contextBoService;
     }
 
     /**
      * set the {@link ContextBoService}
      * @param contextBoService the {@link ContextBoService} to set
      */
     public void setContextBoService(ContextBoService contextBoService) {
         this.contextBoService = contextBoService;
     }
 
     /**
      * get the {@link ActionBoService}
      * @return the {@link ActionBoService}
      */
     public ActionBoService getActionBoService() {
         return actionBoService;
     }
 
     /**
      * Set the {@link ActionBoService}
      * @param actionBoService the {@link ActionBoService} to set
      */
     public void setActionBoService(ActionBoService actionBoService) {
         this.actionBoService = actionBoService;
     }
 
     /**
      * get the {@link NaturalLanguageTemplaterContract}
      * @return the {@link NaturalLanguageTemplaterContract}
      */
     public NaturalLanguageTemplaterContract getTemplater() {
         return templater;
     }
 
     /**
      * set the {@link NaturalLanguageTemplaterContract}
      * @param templater the {@link NaturalLanguageTemplaterContract} to set
      */
     public void setTemplater(NaturalLanguageTemplaterContract templater) {
         this.templater = templater;
     }
 
     /**
      * get the {@link TermRepositoryService}
      * @return the {@link TermRepositoryService}
      */
     public TermRepositoryService getTermRepositoryService() {
         return termRepositoryService;
     }
 
     /**
      * Set the {@link TermRepositoryService}
      * @param termRepositoryService the {@link TermRepositoryService} to set
      */
     public void setTermRepositoryService(TermRepositoryService termRepositoryService) {
         this.termRepositoryService = termRepositoryService;
     }
 
     public DataSource getDataSource() {
         return dataSource;
     }
 
     public void setDataSource(DataSource dataSource) {
         this.dataSource = dataSource;
     }
 
     private DataFieldMaxValueIncrementer getRuleSequenceIncrementer() {
         if (ruleSequenceIncrementer == null) {
             ruleSequenceIncrementer = MaxValueIncrementerFactory.getIncrementer(dataSource, RULE_SEQ_NAME);
         }
 
         return ruleSequenceIncrementer;
     }
 
     private DataFieldMaxValueIncrementer getReferenceObjectBindingSequenceIncrementer() {
         if (referenceObjectBindingSequenceIncrementer == null) {
             referenceObjectBindingSequenceIncrementer = MaxValueIncrementerFactory.getIncrementer(dataSource, REF_OBJ_SEQ_NAME);
         }
 
         return referenceObjectBindingSequenceIncrementer;
     }
 
     /**
      * get the {@link TranslateBusinessMethods}
      * @return the current {@link TranslateBusinessMethods}
      */
     public TranslateBusinessMethods getTranslateBusinessMethods() {
         if(translationBusinessMethods  == null) {
             this.translationBusinessMethods  = new TranslationUtility(this, getTermRepositoryService(), this.templater);
         }
         return this.translationBusinessMethods ;
     }
 
     /**
      * set the {@link TranslateBusinessMethods}
      * @param translationBusinessMethods the {@link TranslateBusinessMethods} to set
      */
     public void setTranslationBusinessMethods (TranslateBusinessMethods  translationBusinessMethods) {
         this.translationBusinessMethods  = translationBusinessMethods;
     }
 
     ////
     //// reference object binding methods
     ////
 
     @Override
     public ReferenceObjectBinding createReferenceObjectBinding(ReferenceObjectBinding referenceObjectDefinition)
             throws RiceIllegalArgumentException {
         //Set the id if it doesn't exist.
         if (referenceObjectDefinition.getId() == null) {
             String referenceObjectBindingId = getReferenceObjectBindingSequenceIncrementer().nextStringValue();
             ReferenceObjectBinding.Builder refBldr = ReferenceObjectBinding.Builder.create(referenceObjectDefinition);
             refBldr.setId(referenceObjectBindingId);
             referenceObjectDefinition = refBldr.build();
         }
 
         return referenceObjectBindingBoService.createReferenceObjectBinding(referenceObjectDefinition);
     }
 
     @Override
     public ReferenceObjectBinding getReferenceObjectBinding(String id) throws RiceIllegalArgumentException {
         return referenceObjectBindingBoService.getReferenceObjectBinding(id);
     }
 
     @Override
     public List<ReferenceObjectBinding> getReferenceObjectBindings(List<String> ids) throws RiceIllegalArgumentException {
         if (ids == null) {
             throw new IllegalArgumentException("reference binding object ids must not be null");
         }
 
         // Fetch BOs
         List<ReferenceObjectBindingBo> bos = null;
 
         if (ids.size() == 0) {
             bos = Collections.emptyList();
         } else {
             QueryByCriteria.Builder qBuilder = QueryByCriteria.Builder.create();
             List<Predicate> pList = new ArrayList<Predicate>();
             qBuilder.setPredicates(in("id", ids.toArray()));
             QueryResults<ReferenceObjectBindingBo> results = getDataObjectService().findMatching(
                     ReferenceObjectBindingBo.class, qBuilder.build());
 
             bos = results.getResults();
         }
 
         // Translate BOs
         List<ReferenceObjectBinding> bindings = new LinkedList<ReferenceObjectBinding>();
         for (ReferenceObjectBindingBo bo : bos) {
             ReferenceObjectBinding binding = ReferenceObjectBindingBo.to(bo);
             bindings.add(binding);
         }
 
         return Collections.unmodifiableList(bindings);
     }
 
     @Override
     public List<ReferenceObjectBinding> findReferenceObjectBindingsByReferenceObject(String referenceObjectReferenceDiscriminatorType,
             String referenceObjectId)
             throws RiceIllegalArgumentException {
         if (referenceObjectReferenceDiscriminatorType == null) {
             throw new RiceIllegalArgumentException("reference binding object discriminator type must not be null");
         }
 
         if (referenceObjectId == null) {
             throw new RiceIllegalArgumentException("reference object id must not be null");
         }
 
         List<ReferenceObjectBinding> list = new ArrayList<ReferenceObjectBinding>();
         for (ReferenceObjectBinding binding : this.referenceObjectBindingBoService.findReferenceObjectBindingsByReferenceObject(referenceObjectId)) {
             if (binding.getReferenceDiscriminatorType().equals(referenceObjectReferenceDiscriminatorType)) {
                 list.add(binding);
             }
         }
 
         return list;
     }
     
     @Override
     public List<ReferenceObjectBinding> findReferenceObjectBindingsByReferenceDiscriminatorType(String referenceObjectReferenceDiscriminatorType) throws RiceIllegalArgumentException {
         return referenceObjectBindingBoService.findReferenceObjectBindingsByReferenceDiscriminatorType(referenceObjectReferenceDiscriminatorType);
     }
 
     @Override
     public List<ReferenceObjectBinding> findReferenceObjectBindingsByKrmsDiscriminatorType(String referenceObjectKrmsDiscriminatorType) throws RiceIllegalArgumentException {
         return referenceObjectBindingBoService.findReferenceObjectBindingsByKrmsDiscriminatorType(referenceObjectKrmsDiscriminatorType);
     }
 
     @Override
     public List<ReferenceObjectBinding> findReferenceObjectBindingsByKrmsObject(String krmsObjectId) throws RiceIllegalArgumentException {
         return referenceObjectBindingBoService.findReferenceObjectBindingsByKrmsObject(krmsObjectId);
     }
 
     @Override
     public void updateReferenceObjectBinding(ReferenceObjectBinding referenceObjectBindingDefinition)
             throws RiceIllegalArgumentException {
         referenceObjectBindingBoService.updateReferenceObjectBinding(referenceObjectBindingDefinition);
     }
 
     @Override
     public void deleteReferenceObjectBinding(String id) throws RiceIllegalArgumentException {
         referenceObjectBindingBoService.deleteReferenceObjectBinding(id);
     }
 
     @Override
     public List<String> findReferenceObjectBindingIds(QueryByCriteria queryByCriteria) throws RiceIllegalArgumentException {
         return referenceObjectBindingBoService.findReferenceObjectBindingIds(queryByCriteria);
     }
 
     ////
     //// agenda
     //// 
     @Override
     public AgendaDefinition createAgenda(AgendaDefinition agendaDefinition) throws RiceIllegalArgumentException {
         return agendaBoService.createAgenda(agendaDefinition);
     }
 
     @Override
     public AgendaDefinition getAgendaByNameAndContextId(String name, String contextId) {
         return this.agendaBoService.getAgendaByNameAndContextId(name, contextId);
     }
 
     @Override
     public AgendaDefinition findCreateAgenda(AgendaDefinition agendaDefinition) throws RiceIllegalArgumentException {
         AgendaDefinition existing = this.getAgendaByNameAndContextId(agendaDefinition.getName(), agendaDefinition.getContextId());
 
         if (existing != null) {
             existing = this.updateAgendaIfNeeded(agendaDefinition, existing);
             return existing;
         }
 
         return this.createAgenda(agendaDefinition);
     }
 
     private AgendaDefinition updateAgendaIfNeeded(AgendaDefinition agenda, AgendaDefinition existing) {
         if (this.isSame(agenda, existing)) {
             return existing;
         }
 
         AgendaDefinition.Builder bldr = AgendaDefinition.Builder.create(existing);
         bldr.setActive(agenda.isActive());
         bldr.setAttributes(agenda.getAttributes());
         bldr.setContextId(agenda.getContextId());
 
         if (agenda.getFirstItemId() != null) {
             bldr.setFirstItemId(agenda.getFirstItemId());
         }
 
         bldr.setTypeId(agenda.getTypeId());
         this.updateAgenda(bldr.build());
 
         return this.getAgenda(existing.getId());
     }
 
     /**
      * Compares two {@link AgendaDefinition}s for equality, ignoring certain fields defined by
      * {@link #isSameIgnoreFields}.
      *
      * @param agenda one agenda
      * @param existing another agenda
      * @return true if the two agendas are considered to be the same
      */
     private boolean isSame(AgendaDefinition agenda, AgendaDefinition existing) {
         return EqualsBuilder.reflectionEquals(agenda, existing, isSameIgnoreFields);
     }
 
     @Override
     public AgendaDefinition getAgenda(String id) throws RiceIllegalArgumentException {
         return agendaBoService.getAgendaByAgendaId(id);
     }
 
     @Override
     public List<AgendaDefinition> getAgendasByContext(String contextId) throws RiceIllegalArgumentException {
         return agendaBoService.getAgendasByContextId(contextId);
     }
 
     @Override
     public void updateAgenda(AgendaDefinition agendaDefinition) throws RiceIllegalArgumentException {
         agendaBoService.updateAgenda(agendaDefinition);
     }
 
     @Override
     public void deleteAgenda(String id) throws RiceIllegalArgumentException {
         agendaBoService.deleteAgenda(id);
     }
 
     @Override
     public List<AgendaDefinition> getAgendasByType(String typeId) throws RiceIllegalArgumentException {
         return agendaBoService.getAgendasByType(typeId);
     }
 
     @Override
     public List<AgendaDefinition> getAgendasByTypeAndContext(String typeId, String contextId)
             throws RiceIllegalArgumentException {
         return agendaBoService.getAgendasByTypeAndContext(typeId, contextId);
     }
 
     ////
     //// agenda item methods
     ////
     @Override
     public AgendaItemDefinition createAgendaItem(AgendaItemDefinition agendaItemDefinition) throws RiceIllegalArgumentException {
         agendaItemDefinition = createUpdateAgendaItemIfNeeded(agendaItemDefinition);
         return agendaBoService.createAgendaItem(agendaItemDefinition);
     }
 
     private AgendaItemDefinition createUpdateAgendaItemIfNeeded(AgendaItemDefinition agendaItemDefinition) {
         this.crossCheckRuleId(agendaItemDefinition);
         this.crossCheckWhenTrueId(agendaItemDefinition);
         this.crossCheckWhenFalseId(agendaItemDefinition);
         this.crossCheckAlwaysId(agendaItemDefinition);
         this.crossCheckSubAgendaId(agendaItemDefinition);
         agendaItemDefinition = createUpdateRuleIfNeeded(agendaItemDefinition);
         agendaItemDefinition = createWhenTrueAgendaItemIfNeeded(agendaItemDefinition);
         agendaItemDefinition = createWhenFalseAgendaItemIfNeeded(agendaItemDefinition);
         agendaItemDefinition = createAlwaysAgendaItemIfNeeded(agendaItemDefinition);
         return createSubAgendaIfNeeded(agendaItemDefinition);
     }
 
     private void crossCheckRuleId(AgendaItemDefinition agendItemDefinition)
             throws RiceIllegalArgumentException {
         // if both are set they better match
         if (agendItemDefinition.getRuleId() != null && agendItemDefinition.getRule() != null) {
             if (!agendItemDefinition.getRuleId().equals(agendItemDefinition.getRule().getId())) {
                 throw new RiceIllegalArgumentException("ruleId does not rule.getId" + agendItemDefinition.getRuleId() + " " + agendItemDefinition.getRule().getId());
             }
         }
     }
 
     private void crossCheckWhenTrueId(AgendaItemDefinition agendaItemDefinition)
             throws RiceIllegalArgumentException {
         // if both are set they better match
         if (agendaItemDefinition.getWhenTrueId()!= null && agendaItemDefinition.getWhenTrue() != null) {
             if (!agendaItemDefinition.getWhenTrueId().equals(agendaItemDefinition.getWhenTrue().getId())) {
                 throw new RiceIllegalArgumentException("when true id does not match " + agendaItemDefinition.getWhenTrueId() + " " + agendaItemDefinition.getWhenTrue().getId());
             }
         }
     }
 
     private void crossCheckWhenFalseId(AgendaItemDefinition agendItemDefinition)
             throws RiceIllegalArgumentException {
         // if both are set they better match
         if (agendItemDefinition.getWhenFalseId()!= null && agendItemDefinition.getWhenFalse() != null) {
             if (!agendItemDefinition.getWhenFalseId().equals(agendItemDefinition.getWhenFalse().getId())) {
                 throw new RiceIllegalArgumentException("when false id does not match " + agendItemDefinition.getWhenFalseId() + " " + agendItemDefinition.getWhenFalse().getId());
             }
         }
     }
 
     private void crossCheckAlwaysId(AgendaItemDefinition agendItemDefinition)
             throws RiceIllegalArgumentException {
         // if both are set they better match
         if (agendItemDefinition.getAlwaysId()!= null && agendItemDefinition.getAlways() != null) {
             if (!agendItemDefinition.getAlwaysId().equals(agendItemDefinition.getAlways().getId())) {
                 throw new RiceIllegalArgumentException("Always id does not match " + agendItemDefinition.getAlwaysId() + " " + agendItemDefinition.getAlways().getId());
             }
         }
     }
 
     private void crossCheckSubAgendaId(AgendaItemDefinition agendItemDefinition)
             throws RiceIllegalArgumentException {
         // if both are set they better match
         if (agendItemDefinition.getSubAgendaId()!= null && agendItemDefinition.getSubAgenda() != null) {
             if (!agendItemDefinition.getSubAgendaId().equals(agendItemDefinition.getSubAgenda().getId())) {
                 throw new RiceIllegalArgumentException("SubAgenda id does not match " + agendItemDefinition.getSubAgendaId() + " " + agendItemDefinition.getSubAgenda().getId());
             }
         }
     }
 
     private AgendaItemDefinition createUpdateRuleIfNeeded(AgendaItemDefinition agendaItemDefinition)
             throws RiceIllegalArgumentException {
         // no rule to create
         if (agendaItemDefinition.getRule() == null) {
             return agendaItemDefinition;
         }
 
         // update
         if (agendaItemDefinition.getRule().getId() != null) {
             this.updateRule(agendaItemDefinition.getRule());
             RuleDefinition rule = this.getRule(agendaItemDefinition.getRule ().getId());
             AgendaItemDefinition.Builder agendaItemBuilder = AgendaItemDefinition.Builder.create(agendaItemDefinition);
             agendaItemBuilder.setRule(RuleDefinition.Builder.create(rule));
             agendaItemBuilder.setRuleId(rule.getId());
             
             return agendaItemBuilder.build();
         }
 
         AgendaItemDefinition.Builder agendaItemBuilder = AgendaItemDefinition.Builder.create(agendaItemDefinition);
         RuleDefinition ruleDefinition = this.createRule(agendaItemDefinition.getRule());
         RuleDefinition.Builder ruleBuilder = RuleDefinition.Builder.create(ruleDefinition);
         agendaItemBuilder.setRule(ruleBuilder);
         agendaItemBuilder.setRuleId(ruleBuilder.getId());
 
         return agendaItemBuilder.build();
     }
 
     private AgendaItemDefinition createWhenTrueAgendaItemIfNeeded(AgendaItemDefinition agendaItemDefinition) {
         // nothing to create
         if (agendaItemDefinition.getWhenTrue() == null) {
             return agendaItemDefinition;
         }
 
         // ojb will take care of it if it has already been created
         if (agendaItemDefinition.getWhenTrue().getId() != null) {
             return agendaItemDefinition;
         }
 
         // ojb does not take care of terms and termparameters, recursively loop thru agendaitems to update terms
         AgendaItemDefinition.Builder agendaItemBuilder = AgendaItemDefinition.Builder.create(agendaItemDefinition);
         AgendaItemDefinition subAgendaItem = this.createUpdateAgendaItemIfNeeded(agendaItemDefinition.getWhenTrue());
         agendaItemBuilder.setWhenTrue(AgendaItemDefinition.Builder.create(subAgendaItem));
         agendaItemBuilder.setWhenTrueId(subAgendaItem.getId());
 
         return agendaItemBuilder.build();
     }
 
 
     private AgendaItemDefinition createWhenFalseAgendaItemIfNeeded(AgendaItemDefinition agendaItemDefinition) {
         // nothing to create
         if (agendaItemDefinition.getWhenFalse() == null) {
             return agendaItemDefinition;
         }
 
         // ojb will take care of it if it has already been created
         if (agendaItemDefinition.getWhenFalse().getId() != null) {
             return agendaItemDefinition;
         }
 
         // ojb does not take care of terms and termparameters, recursively loop thru agendaitems to update terms
         AgendaItemDefinition.Builder agendaItemBuilder = AgendaItemDefinition.Builder.create(agendaItemDefinition);
         AgendaItemDefinition subAgendaItem = this.createUpdateAgendaItemIfNeeded(agendaItemDefinition.getWhenFalse());
         agendaItemBuilder.setWhenFalse(AgendaItemDefinition.Builder.create(subAgendaItem));
         agendaItemBuilder.setWhenFalseId(subAgendaItem.getId());
         return agendaItemBuilder.build();
     }
     
 
     private AgendaItemDefinition createAlwaysAgendaItemIfNeeded(AgendaItemDefinition agendaItemDefinition) {
         // nothing to create
         if (agendaItemDefinition.getAlways()== null) {
             return agendaItemDefinition;
         } 
         // ojb will take care of it if it has already been created
         if (agendaItemDefinition.getAlways().getId() != null) {
             return agendaItemDefinition;
         }
         
         AgendaItemDefinition.Builder agendaItemBuilder = AgendaItemDefinition.Builder.create(agendaItemDefinition);
         AgendaItemDefinition subAgendaItem = this.createAgendaItem(agendaItemDefinition.getAlways());
         agendaItemBuilder.setAlways(AgendaItemDefinition.Builder.create(subAgendaItem));
         agendaItemBuilder.setAlwaysId(subAgendaItem.getId());
 
         return agendaItemBuilder.build();
     }
 
     private AgendaItemDefinition createSubAgendaIfNeeded(AgendaItemDefinition agendaItemDefinition) {
         // nothing to create
         if (agendaItemDefinition.getSubAgenda() == null) {
             return agendaItemDefinition;
         }
 
         // ojb will take care of it if it has already been created
         if (agendaItemDefinition.getSubAgenda().getId() != null) {
             return agendaItemDefinition;
         }
 
         AgendaItemDefinition.Builder agendaItemBuilder = AgendaItemDefinition.Builder.create(agendaItemDefinition);
         AgendaDefinition subAgenda = this.createAgenda(agendaItemDefinition.getSubAgenda());
         agendaItemBuilder.setSubAgenda(AgendaDefinition.Builder.create(subAgenda));
         agendaItemBuilder.setSubAgendaId(subAgenda.getId());
 
         return agendaItemBuilder.build();
     }
 
     @Override
     public AgendaItemDefinition getAgendaItem(String id) throws RiceIllegalArgumentException {
         AgendaItemDefinition agendaItem = agendaBoService.getAgendaItemById(id);
 
         if (agendaItem != null) {
             return setTermValuesForAgendaItem(agendaItem).build();
         }
 
         return agendaItem;
     }
 
     private AgendaItemDefinition.Builder setTermValuesForAgendaItem(AgendaItemDefinition agendaItem) {
         if (agendaItem == null){
             return null;
         }
 
         AgendaItemDefinition.Builder itemBuiler = AgendaItemDefinition.Builder.create(agendaItem);
         if (itemBuiler.getRule() != null) {
             // Set the termValues on the agenda item.
             PropositionDefinition proposition = agendaItem.getRule().getProposition();
             if (proposition != null) {
                 proposition = this.orderCompoundPropositionsIfNeeded(proposition);
                 itemBuiler.getRule().setProposition(this.replaceTermValues(proposition));
             }
         }
 
         // Recursively set the term values on child agenda items.
         itemBuiler.setWhenTrue(setTermValuesForAgendaItem(agendaItem.getWhenTrue()));
         itemBuiler.setWhenFalse(setTermValuesForAgendaItem(agendaItem.getWhenFalse()));
         itemBuiler.setAlways(setTermValuesForAgendaItem(agendaItem.getAlways()));
 
         return itemBuiler;
     }
 
     @Override
     public List<AgendaItemDefinition> getAgendaItemsByType(String typeId)
             throws RiceIllegalArgumentException {
         return agendaBoService.getAgendaItemsByType(typeId);
     }
 
     @Override
     public List<AgendaItemDefinition> getAgendaItemsByContext(String contextId) throws RiceIllegalArgumentException {
         return agendaBoService.getAgendaItemsByContext(contextId);
     }
 
     @Override
     public List<AgendaItemDefinition> getAgendaItemsByTypeAndContext(String typeId, String contextId)
             throws RiceIllegalArgumentException {
         return agendaBoService.getAgendaItemsByTypeAndContext(typeId, contextId);
     }
 
     @Override
     public void deleteAgendaItem(String id) throws RiceIllegalArgumentException {
         agendaBoService.deleteAgendaItem(id);
     }
 
     @Override
     public void updateAgendaItem(AgendaItemDefinition agendaItemDefinition) throws RiceIllegalArgumentException {
         agendaItemDefinition = createUpdateAgendaItemIfNeeded(agendaItemDefinition);
         agendaBoService.updateAgendaItem(agendaItemDefinition);
     }
 
     private void crossCheckPropId(RuleDefinition ruleDefinition)
             throws RiceIllegalArgumentException {
         // if both are set they better match
         if (ruleDefinition.getPropId() != null && ruleDefinition.getProposition() != null) {
             if (!ruleDefinition.getPropId().equals(ruleDefinition.getProposition().getId())) {
                 throw new RiceIllegalArgumentException("propId does not match proposition.getId" + ruleDefinition.getPropId() + " " + ruleDefinition.getProposition().getId());
             }
         }
     }
 
     ////
     //// rule methods
     ////
     @Override
     public RuleDefinition getRuleByNameAndNamespace(String name, String namespace) {
         return this.ruleBoService.getRuleByNameAndNamespace(name, namespace);
     }
 
 
     @Override
     public RuleDefinition createRule(RuleDefinition ruleDefinition) throws RiceIllegalArgumentException {
         if (ruleDefinition.getId() != null) {
             RuleDefinition orig = this.getRule(ruleDefinition.getId());
 
             if (orig != null) {
                 throw new RiceIllegalArgumentException(ruleDefinition.getId());
             }
         } else {
             // if no id then set it because it is needed to store propositions connected to this rule
             String ruleId = getRuleSequenceIncrementer().nextStringValue();
             RuleDefinition.Builder ruleBldr = RuleDefinition.Builder.create(ruleDefinition);
             ruleBldr.setId(ruleId);
             ruleDefinition = ruleBldr.build();
         }
 
         // if both are set they better match
         crossCheckPropId(ruleDefinition);
         ruleDefinition = this.createUpdatePropositionIfNeeded(ruleDefinition);
         ruleDefinition = ruleBoService.createRule(ruleDefinition);
 
         return ruleDefinition;
     }
 
     private RuleDefinition createRuleIfNeeded(RuleDefinition ruleDefinition) throws RiceIllegalArgumentException {
 
         // no rule to create
         if (ruleDefinition == null) {
             return null;
         }
 
         // if no id then set it because it is needed to store propositions connected to this rule
         if (ruleDefinition.getId() == null) {
             String ruleId = getRuleSequenceIncrementer().nextStringValue();
             RuleDefinition.Builder ruleBldr = RuleDefinition.Builder.create(ruleDefinition);
             ruleBldr.setId(ruleId);
             ruleDefinition = ruleBldr.build();
         }
 
         // if both are set they better match
         crossCheckPropId(ruleDefinition);
         ruleDefinition = this.createUpdatePropositionIfNeeded(ruleDefinition);
 
         return ruleDefinition;
     }
 
     private RuleDefinition createUpdatePropositionIfNeeded(RuleDefinition rule) {
         // no prop to create
         if (rule.getProposition() == null) {
             return rule;
         }
 
         // update 
         if (rule.getProposition().getId() != null) {
             this.updateProposition(rule.getProposition());
             PropositionDefinition prop = this.getProposition(rule.getProposition().getId());
             RuleDefinition.Builder ruleBldr = RuleDefinition.Builder.create(rule);
             ruleBldr.setProposition(PropositionDefinition.Builder.create(prop));
             ruleBldr.setPropId(prop.getId());
             return ruleBldr.build();
         }
 
         // create the proposition
         RuleDefinition.Builder ruleBldr = RuleDefinition.Builder.create(rule);
         PropositionDefinition propositionDefinition = null;
         // ojb will take care of props that have already been created, but we still need to take care of the terms.
         PropositionDefinition.Builder propBldr = ruleBldr.getProposition();
 
         if (rule.getProposition().getId() != null) {
             this.crossCheckPropositionParameters(rule.getProposition());
             propBldr = setSequenceOnCompoundPropositionsIfNeeded(propBldr);
             propBldr = maintainTermValuesAndChildPropositions(propBldr);
         } else {
             // create the proposition
             propBldr.setRule(ruleBldr);
             propositionDefinition = this.createProposition(propBldr.build());
             propBldr = PropositionDefinition.Builder.create(propositionDefinition);
         }
 
         // now update the rule so it holds the proposition id
         ruleBldr.setProposition(propBldr);
 
         return ruleBldr.build();
     }
 
     @Override
     public void updateRule(RuleDefinition ruleDefinition) throws RiceIllegalArgumentException {
         crossCheckPropId(ruleDefinition);
         ruleDefinition = this.createUpdatePropositionIfNeeded(ruleDefinition);
 
         ruleBoService.updateRule(ruleDefinition);
     }
 
     @Override
     public void deleteRule(String id) throws RiceIllegalArgumentException {
         ruleBoService.deleteRule(id);
     }
 
     ////
     //// action methods
     ////
     @Override
     public ActionDefinition createAction(ActionDefinition actionDefinition) throws RiceIllegalArgumentException {
         return actionBoService.createAction(actionDefinition);
     }
 
     @Override
     public void updateAction(ActionDefinition actionDefinition) throws RiceIllegalArgumentException {
         actionBoService.updateAction(actionDefinition);
     }
 
     @Override
     public void deleteAction(String id) throws RiceIllegalArgumentException {
         throw new RiceIllegalArgumentException("not implemented yet because not supported by the bo service");
 //        actionBoService.deleteAction(id);
     }
 
     @Override
     public ActionDefinition getAction(String actionId) {
         return actionBoService.getActionByActionId(actionId);
     }
 
     @Override
     public List<ActionDefinition> getActions(List<String> actionIds) {
         // TODO: implement this more efficiently by adding the bulk op to the bo service and calling it
         List<ActionDefinition> list = new ArrayList<ActionDefinition>();
 
         for (String id : actionIds) {
             list.add(this.getAction(id));
         }
 
         return list;
     }
 
     private void crossCheckPropositionParameters(PropositionDefinition propositionDefinition) {
         // check that if the value and termValue are both supplied that they match
         for (PropositionParameter param : propositionDefinition.getParameters()) {
             if (param.getValue() != null && param.getTermValue() != null) {
                 if (!param.getValue().equals(param.getTermValue().getId())) {
                     throw new RiceIllegalArgumentException("value does not match termValue.id on param "
                             + param.getSequenceNumber() + " " + param.getValue() + " " + param.getTermValue().getId());
                 }
             }
         }
     }
 
 
     ////
     //// proposition methods
     ////
     @Override
     public PropositionDefinition createProposition(PropositionDefinition propositionDefinition) throws RiceIllegalArgumentException {
         // CREATE
         if (propositionDefinition.getId() != null) {
             PropositionDefinition orig = this.getProposition(propositionDefinition.getId());
             if (orig != null) {
                 throw new RiceIllegalArgumentException(propositionDefinition.getId());
             }
         }
 
         crossCheckPropositionParameters(propositionDefinition);
         PropositionDefinition.Builder propBldr = PropositionDefinition.Builder.create(propositionDefinition);
         propBldr = setSequenceOnCompoundPropositionsIfNeeded(propBldr);
         propBldr = maintainTermValuesAndChildPropositions(propBldr);
         PropositionDefinition prop = propositionBoService.createProposition(propBldr.build());
 
         return prop;
     }
 
     private PropositionDefinition.Builder maintainTermValuesAndChildPropositions(PropositionDefinition.Builder propBldr) {
         if (PropositionType.SIMPLE.getCode().equalsIgnoreCase(propBldr.getPropositionTypeCode())) {
             return maintainTermValues(propBldr);
         } else {
             return createChildPropsIfNeeded(propBldr);
         }
     }
 
     private PropositionDefinition.Builder maintainTermValues(PropositionDefinition.Builder propBldr) {
         if (propBldr.getParameters() == null) {
             return propBldr;
         }
 
         if (propBldr.getParameters().isEmpty()) {
             return propBldr;
         }
 
         boolean updated = false;
         List<PropositionParameter.Builder> paramBldrs = new ArrayList<PropositionParameter.Builder> ();
 
         for (PropositionParameter.Builder paramBldr : propBldr.getParameters()) {
             paramBldrs.add(paramBldr);
 
             // link the param the proposition's id
             // not sure we need to do this but...
             if (paramBldr.getPropId() == null) {
                 paramBldr.setPropId(propBldr.getId());
                 updated = true;
             }
 
             // create the termvalue if it was specified
             if (paramBldr.getTermValue() != null) {
                 TermDefinition termValue = paramBldr.getTermValue();
 
                 // no id means it does not exist yet
                 if (termValue.getId() == null) {
                     termValue = this.termRepositoryService.createTerm(termValue);
                     paramBldr.setTermValue(termValue);
                     updated = true;
                 } else {
                     this.termRepositoryService.updateTerm(termValue);
                 }
                 
                 if ((paramBldr.getValue() == null) || (!paramBldr.getValue().equals(termValue.getId()))) {
                     paramBldr.setValue(termValue.getId());
                     updated = true;
                 }
             }
         }
 
         if (!updated) {
             return propBldr;
         }
 
         propBldr.setParameters(paramBldrs);
         return propBldr;
     }
 
     private PropositionDefinition.Builder createChildPropsIfNeeded(PropositionDefinition.Builder propBldr) {
         if (propBldr.getCompoundComponents() == null) {
             return propBldr;
         }
 
         if (propBldr.getCompoundComponents().isEmpty()) {
             return propBldr;
         }
 
         List<PropositionDefinition.Builder> childPropBldrs = new ArrayList<PropositionDefinition.Builder>();
 
         for (PropositionDefinition.Builder compPropBldr : propBldr.getCompoundComponents()) {
             compPropBldr.setRuleId(propBldr.getRuleId());
             propBldr = setSequenceOnCompoundPropositionsIfNeeded(propBldr);
             compPropBldr = maintainTermValuesAndChildPropositions(compPropBldr);
             childPropBldrs.add(compPropBldr);
         }
 
         propBldr.setCompoundComponents(childPropBldrs);
 
         return propBldr;
     }
 
     @Override
     public PropositionDefinition getProposition(String id) throws RiceIllegalArgumentException {
         if (StringUtils.isBlank(id)) {
             throw new RiceIllegalArgumentException("Proposition id must not be null or blank");
         }
 
         PropositionDefinition proposition = propositionBoService.getPropositionById(id);
 
         if (proposition == null) {
             return null;
         }
 
         proposition = this.replaceTermValues(proposition).build();
         proposition = this.orderCompoundPropositionsIfNeeded(proposition);
 
         return proposition;
     }
 
     private PropositionDefinition orderCompoundPropositionsIfNeeded(PropositionDefinition prop) {
         if (!prop.getPropositionTypeCode().equals(PropositionType.COMPOUND.getCode())) {
             return prop;
         }
 
         if (prop.getCompoundComponents() == null) {
             return prop;
         }
 
         if (prop.getCompoundComponents().size() <= 1) {
             return prop;
         }
 
         PropositionDefinition.Builder propBldr = PropositionDefinition.Builder.create(prop);        
         List<PropositionDefinition> childProps = new ArrayList<PropositionDefinition> (prop.getCompoundComponents());
         Collections.sort(childProps, new CompoundPropositionComparator());
         List<PropositionDefinition.Builder> childPropBldrs = new ArrayList<PropositionDefinition.Builder> (childProps.size());
 
         for (PropositionDefinition chidProp : childProps) {
             PropositionDefinition.Builder childPropBlder = PropositionDefinition.Builder.create(chidProp);
             childPropBldrs.add(childPropBlder);
         }
 
         propBldr.setCompoundComponents(childPropBldrs);
 
         return propBldr.build();
     }
 
     private PropositionDefinition.Builder replaceTermValues(PropositionDefinition proposition) {
 
         PropositionDefinition.Builder bldr = PropositionDefinition.Builder.create(proposition);
 
         // recursively add termValues to child propositions.
         if (!PropositionType.SIMPLE.getCode().equalsIgnoreCase(proposition.getPropositionTypeCode())) {
             List<PropositionDefinition.Builder> cmpdProps = new ArrayList<PropositionDefinition.Builder>();
             for (PropositionDefinition cmpdProp : proposition.getCompoundComponents()) {
                 cmpdProps.add(replaceTermValues(cmpdProp));
             }
             bldr.setCompoundComponents(cmpdProps);
             return bldr;
         }
 
         // that have parameters
         if (proposition.getParameters() == null) {
             return bldr;
         }
 
         if (proposition.getParameters().isEmpty()) {
             return bldr;
         }
 
         boolean found = false;
         List<PropositionParameter.Builder> params = new ArrayList<PropositionParameter.Builder>(proposition.getParameters().size());
 
         for (PropositionParameter param : proposition.getParameters()) {
             if (!PropositionParameterType.TERM.getCode().equalsIgnoreCase(param.getParameterType())) {
                 params.add(PropositionParameter.Builder.create(param));
                 continue;
             }
 
             // inflate the termValue
             found = true;
             TermDefinition termValue = this.termRepositoryService.getTerm(param.getValue());
             PropositionParameter.Builder parmbldr = PropositionParameter.Builder.create(param);
             parmbldr.setTermValue(termValue);
             params.add(parmbldr);
         }
 
         if (!found) {
             return bldr;
         }
 
         bldr.setParameters(params);
 
         return bldr;
     }
 
 
     private Set<PropositionDefinition> replaceTermValuesInSet(Set<PropositionDefinition> propositions) {
         if (propositions == null) {
             return null;
         }
 
         if (propositions.isEmpty()) {
             return propositions;
         }
 
         Set<PropositionDefinition> set = new LinkedHashSet<PropositionDefinition>(propositions.size());
         for (PropositionDefinition proposition : propositions) {
             proposition = this.replaceTermValues(proposition).build();
             set.add(proposition);
         }
 
         return set;
     }
 
     @Override
     public Set<PropositionDefinition> getPropositionsByType(String typeId) throws RiceIllegalArgumentException {
         return replaceTermValuesInSet(propositionBoService.getPropositionsByType(typeId));
     }
 
     @Override
     public Set<PropositionDefinition> getPropositionsByRule(String ruleId) throws RiceIllegalArgumentException {
         return replaceTermValuesInSet(propositionBoService.getPropositionsByRule(ruleId));
     }
 
     @Override
     public void updateProposition(PropositionDefinition propositionDefinition) throws RiceIllegalArgumentException {
         this.crossCheckPropositionParameters(propositionDefinition);
         PropositionDefinition.Builder propBldr = PropositionDefinition.Builder.create(propositionDefinition);
         propBldr = setSequenceOnCompoundPropositionsIfNeeded(propBldr);
         propBldr = maintainTermValuesAndChildPropositions(propBldr);
 
         propositionBoService.updateProposition(propBldr.build());
     }
 
     private PropositionDefinition.Builder setSequenceOnCompoundPropositionsIfNeeded(PropositionDefinition.Builder propBldr) {
         if (propBldr.getCompoundComponents() == null) {
             return propBldr;
         }
 
         if (propBldr.getCompoundComponents().size() <= 1) {
             return propBldr;
         }
 
         List<PropositionDefinition.Builder> childList = new ArrayList<PropositionDefinition.Builder>(propBldr.getCompoundComponents().size());
         int i = 1; // start at 1 because rice does that
 
         for (PropositionDefinition.Builder childPropBldr : propBldr.getCompoundComponents()) {
             childPropBldr.setCompoundSequenceNumber(i);
             i++;
             childList.add(childPropBldr);
         }
         propBldr.setCompoundComponents(childList);
         return propBldr;
     }
 
     @Override
     public void deleteProposition(String id) throws RiceIllegalArgumentException {
         propositionBoService.deleteProposition(id);
     }
 
     ////
     //// natural language usage methods
     ////
     @Override
     public NaturalLanguageUsage createNaturalLanguageUsage(NaturalLanguageUsage naturalLanguageUsage) throws RiceIllegalArgumentException {
         return naturalLanguageUsageBoService.createNaturalLanguageUsage(naturalLanguageUsage);
     }
 
     @Override
     public NaturalLanguageUsage getNaturalLanguageUsage(String id) throws RiceIllegalArgumentException {
         return naturalLanguageUsageBoService.getNaturalLanguageUsage(id);
     }
 
     @Override
     public void updateNaturalLanguageUsage(NaturalLanguageUsage naturalLanguageUsage) throws RiceIllegalArgumentException {
         naturalLanguageUsageBoService.updateNaturalLanguageUsage(naturalLanguageUsage);
     }
 
     @Override
     public void deleteNaturalLanguageUsage(String naturalLanguageUsageId) throws RiceIllegalArgumentException {
         naturalLanguageUsageBoService.deleteNaturalLanguageUsage(naturalLanguageUsageId);
     }
 
     @Override
     public List<NaturalLanguageUsage> getNaturalLanguageUsagesByNamespace(String namespace)
             throws RiceIllegalArgumentException {
         return this.naturalLanguageUsageBoService.findNaturalLanguageUsagesByNamespace(namespace);
     }
 
     @Override
     public NaturalLanguageUsage getNaturalLanguageUsageByNameAndNamespace(String name, String namespace)
             throws RiceIllegalArgumentException {
         return this.naturalLanguageUsageBoService.getNaturalLanguageUsageByName(namespace, name);
     }
 
 
     ////
     //// natural language translations
     ////
     @Override
     public String translateNaturalLanguageForObject(String naturalLanguageUsageId,
                                                     String typeId,
                                                     String krmsObjectId,
                                                     String languageCode)
             throws RiceIllegalArgumentException {
 
         return this.getTranslateBusinessMethods().translateNaturalLanguageForObject(naturalLanguageUsageId, typeId, krmsObjectId, languageCode);
     }
 
     @Override
     public String translateNaturalLanguageForProposition(String naturalLanguageUsageId,
                                                          PropositionDefinition proposition, String languageCode)
             throws RiceIllegalArgumentException {
 
         return this.getTranslateBusinessMethods().translateNaturalLanguageForProposition(naturalLanguageUsageId, proposition, languageCode);
     }
 
     @Override
     public NaturalLanguageTree translateNaturalLanguageTreeForProposition(String naturalLanguageUsageId, 
             PropositionDefinition propositionDefinintion, String languageCode) throws RiceIllegalArgumentException {
 
         return getTranslateBusinessMethods().translateNaturalLanguageTreeForProposition(naturalLanguageUsageId,
                 propositionDefinintion, languageCode);
     }
 
     ////
     //// context methods
     ////
     @Override
     public ContextDefinition createContext(ContextDefinition contextDefinition) throws RiceIllegalArgumentException {
         return this.contextBoService.createContext(contextDefinition);
     }
 
 
     @Override
     public ContextDefinition findCreateContext(ContextDefinition contextDefinition) throws RiceIllegalArgumentException {
         ContextDefinition orig = this.contextBoService.getContextByNameAndNamespace(contextDefinition.getName(), contextDefinition.getNamespace());
 
         if (orig != null) {
             return orig;
         }
 
         return this.contextBoService.createContext(contextDefinition);
     }
 
     @Override
     public void updateContext(ContextDefinition contextDefinition) throws RiceIllegalArgumentException {
         this.contextBoService.updateContext(contextDefinition);
     }
 
     @Override
     public void deleteContext(String id) throws RiceIllegalArgumentException {
         throw new RiceIllegalArgumentException("not implemented yet");
     }
 
     @Override
     public ContextDefinition getContext(String id) throws RiceIllegalArgumentException {
         return this.contextBoService.getContextByContextId(id);
     }
 
     @Override
     public ContextDefinition getContextByNameAndNamespace(String name, String namespace) throws RiceIllegalArgumentException {
         return this.contextBoService.getContextByNameAndNamespace(name, namespace);
     }
 
     ////
     //// natural language templates
     ////
     @Override
     public NaturalLanguageTemplate createNaturalLanguageTemplate(NaturalLanguageTemplate naturalLanguageTemplate) throws RiceIllegalArgumentException {
         return this.naturalLanguageTemplateBoService.createNaturalLanguageTemplate(naturalLanguageTemplate);
     }
 
     @Override
     public NaturalLanguageTemplate getNaturalLanguageTemplate(String naturalLanguageTemplateId) throws RiceIllegalArgumentException {
         return this.naturalLanguageTemplateBoService.getNaturalLanguageTemplate(naturalLanguageTemplateId);
     }
 
     @Override
     public void updateNaturalLanguageTemplate(NaturalLanguageTemplate naturalLanguageTemplate) throws RiceIllegalArgumentException {
         this.naturalLanguageTemplateBoService.updateNaturalLanguageTemplate(naturalLanguageTemplate);
     }
 
     @Override
     public void deleteNaturalLanguageTemplate(String naturalLanguageTemplateId) throws RiceIllegalArgumentException {
         this.naturalLanguageTemplateBoService.deleteNaturalLanguageTemplate(naturalLanguageTemplateId);
     }
 
     @Override
     public List<NaturalLanguageTemplate> findNaturalLanguageTemplatesByLanguageCode(String languageCode) throws RiceIllegalArgumentException {
         return this.naturalLanguageTemplateBoService.findNaturalLanguageTemplatesByLanguageCode(languageCode);
     }
 
     @Override
     public NaturalLanguageTemplate findNaturalLanguageTemplateByLanguageCodeTypeIdAndNluId(String languageCode, String typeId, String naturalLanguageUsageId) throws RiceIllegalArgumentException {
         return this.naturalLanguageTemplateBoService.findNaturalLanguageTemplateByLanguageCodeTypeIdAndNluId(languageCode, typeId, naturalLanguageUsageId);
     }
 
     @Override
     public List<NaturalLanguageTemplate> findNaturalLanguageTemplatesByNaturalLanguageUsage(String naturalLanguageUsageId) throws RiceIllegalArgumentException {
         return this.naturalLanguageTemplateBoService.findNaturalLanguageTemplatesByNaturalLanguageUsage(naturalLanguageUsageId);
     }
 
     @Override
     public List<NaturalLanguageTemplate> findNaturalLanguageTemplatesByType(String typeId) throws RiceIllegalArgumentException {
         return this.naturalLanguageTemplateBoService.findNaturalLanguageTemplatesByType(typeId);
     }
 
     @Override
     public List<NaturalLanguageTemplate> findNaturalLanguageTemplatesByTemplate(String template) throws RiceIllegalArgumentException {
         return this.naturalLanguageTemplateBoService.findNaturalLanguageTemplatesByTemplate(template);
     }
 
     @Override
     public List<String> findContextIds(QueryByCriteria queryByCriteria) throws RiceIllegalArgumentException {
         if (queryByCriteria == null) {
             throw new RiceIllegalArgumentException("queryByCriteria must not be null");
         }
 
         QueryResults<ContextBo> results = getDataObjectService().findMatching(ContextBo.class, queryByCriteria);
 
         List<String> list = new ArrayList<String> ();
         for (ContextBo bo : results.getResults()) {
             list.add(bo.getId());
         }
 
         return list;
     }
 
     @Override
     public List<String> findAgendaIds(QueryByCriteria queryByCriteria) throws RiceIllegalArgumentException {
         QueryResults<AgendaBo> results = getDataObjectService().findMatching(AgendaBo.class, queryByCriteria);
         List<String> list = new ArrayList<String> ();
 
         for (AgendaBo bo : results.getResults()) {
             list.add(bo.getId());
         }
 
         return list;
     }
 
     @Override
     public List<String> findRuleIds(QueryByCriteria queryByCriteria) throws RiceIllegalArgumentException {
         QueryResults<RuleBo> results = getDataObjectService().findMatching(RuleBo.class, queryByCriteria);
         List<String> list = new ArrayList<String> ();
 
         for (RuleBo bo : results.getResults()) {
             list.add(bo.getId());
         }
 
         return list;
     }
 
     @Override
     public List<String> findPropositionIds(QueryByCriteria queryByCriteria) throws RiceIllegalArgumentException {
         QueryResults<PropositionBo> results = getDataObjectService().findMatching(PropositionBo.class, queryByCriteria);
 
         List<String> list = new ArrayList<String> ();
         for (PropositionBo bo : results.getResults()) {
             list.add(bo.getId());
         }
 
         return list;
     }
 
     @Override
     public List<String> findActionIds(QueryByCriteria queryByCriteria) throws RiceIllegalArgumentException {
         QueryResults<ActionBo> results = getDataObjectService().findMatching(ActionBo.class, queryByCriteria);
 
         List<String> list = new ArrayList<String> ();
         for (ActionBo bo : results.getResults()) {
             list.add(bo.getId());
         }
 
         return list;
     }
 
     /**
      * Sets the dataObjectService property.
      *
      * @param dataObjectService The businessObjectService to set.
      */
     @Override
     public void setDataObjectService(final DataObjectService dataObjectService) {
 
         super.setDataObjectService(dataObjectService);
 
         if (agendaBoService instanceof AgendaBoServiceImpl) {
             ((AgendaBoServiceImpl) agendaBoService).setDataObjectService(dataObjectService);
         }
 
         if (ruleBoService instanceof RuleBoServiceImpl) {
             ((RuleBoServiceImpl) ruleBoService).setDataObjectService(dataObjectService);
         }
 
         if (actionBoService instanceof ActionBoServiceImpl) {
             ((ActionBoServiceImpl) actionBoService).setDataObjectService(dataObjectService);
         }
 
         if (propositionBoService instanceof PropositionBoServiceImpl) {
             ((PropositionBoServiceImpl) propositionBoService).setDataObjectService(dataObjectService);
         }
 
         if (contextBoService instanceof ContextBoServiceImpl) {
             ((ContextBoServiceImpl) contextBoService).setDataObjectService(dataObjectService);
         }
 
         if (referenceObjectBindingBoService instanceof ReferenceObjectBindingBoServiceImpl) {
             ((ReferenceObjectBindingBoServiceImpl) referenceObjectBindingBoService).setDataObjectService(
                     dataObjectService);
         }
 
         if (naturalLanguageUsageBoService instanceof NaturalLanguageUsageBoServiceImpl) {
             ((NaturalLanguageUsageBoServiceImpl) naturalLanguageUsageBoService).setDataObjectService(dataObjectService);
         }
 
         if (naturalLanguageTemplateBoService instanceof NaturalLanguageTemplateBoServiceImpl) {
             ((NaturalLanguageTemplateBoServiceImpl) naturalLanguageTemplateBoService).setDataObjectService(
                     dataObjectService);
         }
 
         if (termRepositoryService instanceof TermBoServiceImpl) {
             ((TermBoServiceImpl) termRepositoryService).setDataObjectService(dataObjectService);
         }
     }
 }