/**
    * Copyright 2005-2015 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.api.repository.agenda;
  
  import java.io.Serializable;
  import java.util.Collection;
  
  import javax.xml.bind.annotation.XmlAccessType;
  import javax.xml.bind.annotation.XmlAccessorType;
  import javax.xml.bind.annotation.XmlAnyElement;
  import javax.xml.bind.annotation.XmlElement;
  import javax.xml.bind.annotation.XmlRootElement;
  import javax.xml.bind.annotation.XmlType;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.core.api.CoreConstants;
  import org.kuali.rice.core.api.mo.AbstractDataTransferObject;
  import org.kuali.rice.core.api.mo.ModelBuilder;
  import org.kuali.rice.krms.api.KrmsConstants;
  import org.kuali.rice.krms.api.repository.rule.RuleDefinition;
  
  /**
   * Concrete model object implementation of KRMS Repository AgendaItemDefinition
   * immutable. 
   * Instances of AgendaItemDefinition can be (un)marshalled to and from XML.
   *
   * @see AgendaItemDefinitionContract
   */
  @XmlRootElement(name = AgendaItemDefinition.Constants.ROOT_ELEMENT_NAME)
  @XmlAccessorType(XmlAccessType.NONE)
  @XmlType(name = AgendaItemDefinition.Constants.TYPE_NAME, propOrder = {
  		AgendaItemDefinition.Elements.ID,
  		AgendaItemDefinition.Elements.AGENDA_ID,
  		AgendaItemDefinition.Elements.RULE_ID,
  		AgendaItemDefinition.Elements.SUB_AGENDA_ID,
  		AgendaItemDefinition.Elements.WHEN_TRUE_ID,
  		AgendaItemDefinition.Elements.WHEN_FALSE_ID,
  		AgendaItemDefinition.Elements.ALWAYS_ID,
  		AgendaItemDefinition.Elements.RULE,
  		AgendaItemDefinition.Elements.SUB_AGENDA,
  		AgendaItemDefinition.Elements.WHEN_TRUE,
  		AgendaItemDefinition.Elements.WHEN_FALSE,
  		AgendaItemDefinition.Elements.ALWAYS,
          CoreConstants.CommonElements.VERSION_NUMBER,
  		CoreConstants.CommonElements.FUTURE_ELEMENTS
  })
  public final class AgendaItemDefinition extends AbstractDataTransferObject implements AgendaItemDefinitionContract {
  	private static final long serialVersionUID = 2783959459503209577L;
  
  	@XmlElement(name = Elements.ID, required=true)
  	private String id;
  	@XmlElement(name = Elements.AGENDA_ID, required=true)
  	private String agendaId;
  	@XmlElement(name = Elements.RULE_ID, required=false)
  	private String ruleId;
  	@XmlElement(name = Elements.SUB_AGENDA_ID, required=false)
  	private String subAgendaId;
  	@XmlElement(name = Elements.WHEN_TRUE_ID, required=false)
  	private String whenTrueId;
  	@XmlElement(name = Elements.WHEN_FALSE_ID, required=false)
  	private String whenFalseId;
  	@XmlElement(name = Elements.ALWAYS_ID, required=false)
  	private String alwaysId;
  	
  	@XmlElement(name = Elements.RULE, required=false)
  	private RuleDefinition rule;;
  	@XmlElement(name = Elements.SUB_AGENDA, required=false)
  	private AgendaDefinition subAgenda;
  	@XmlElement(name = Elements.WHEN_TRUE, required=false)
  	private AgendaItemDefinition whenTrue;
  	@XmlElement(name = Elements.WHEN_FALSE, required=false)
  	private AgendaItemDefinition whenFalse;
  	@XmlElement(name = Elements.ALWAYS, required=false)
  	private AgendaItemDefinition always;
  	
      @XmlElement(name = CoreConstants.CommonElements.VERSION_NUMBER, required = false)
      private final Long versionNumber;
      	
  	@SuppressWarnings("unused")
      @XmlAnyElement
      private final Collection<org.w3c.dom.Element> _futureElements = null;
  	
  	
  	 /** 
       * This constructor should never be called.  
       * It is only present for use during JAXB unmarshalling. 
      */
     private AgendaItemDefinition() {
     	this.id = null;
     	this.agendaId = null;
     	this.ruleId = null;
     	this.subAgendaId = null;
     	this.whenTrueId = null;
     	this.whenFalseId = null;
     	this.alwaysId = null;
     	
     	this.rule = null;
     	this.subAgenda = null;
     	
     	this.whenTrue = null;
     	this.whenFalse = null;
     	this.always = null;
     	
         this.versionNumber = null;
     }
     
     /**
 	 * Constructs a KRMS Repository AgendaItemDefinition object from the given builder.
 	 * This constructor is private and should only ever be invoked from the builder.
 	 * 
 	 * @param builder the Builder from which to construct the AgendaItemDefinition
 	 */
     private AgendaItemDefinition(Builder builder) {
     	this.id = builder.getId();
     	this.agendaId = builder.getAgendaId();
     	this.ruleId = builder.getRuleId();
     	this.subAgendaId = builder.getSubAgendaId();
     	this.whenTrueId = builder.getWhenTrueId();
     	this.whenFalseId = builder.getWhenFalseId();
     	this.alwaysId = builder.getAlwaysId();
         this.versionNumber = builder.getVersionNumber();
 
     	if (builder.getRule() != null) { this.rule = builder.getRule().build(); }
     	if (builder.getSubAgenda() != null) { this.subAgenda = builder.getSubAgenda().build(); }
     	if (builder.getWhenTrue() != null) { this.whenTrue  = builder.getWhenTrue().build(); }
     	if (builder.getWhenFalse() != null) { this.whenFalse = builder.getWhenFalse().build(); }
     	if (builder.getAlways() != null) { this.always = builder.getAlways().build(); }
     }
 
 	@Override
 	public String getId() {
 		return this.id;
 	}
 
 	@Override
 	public String getAgendaId() {
 		return this.agendaId;
 	}
 
 	@Override
 	public String getRuleId() {
 		return this.ruleId;
 	}
 
 	@Override
 	public String getSubAgendaId() {
 		return this.subAgendaId;
 	}
 
 	@Override
 	public String getWhenTrueId() {
 		return this.whenTrueId;
 	}
 
 	@Override
 	public String getWhenFalseId() {
 		return this.whenFalseId;
 	}
 
 	@Override
 	public String getAlwaysId() {
 		return this.alwaysId;
 	}
 
 	@Override
 	public RuleDefinition getRule() {
 		return this.rule; 
 	}
 
 	@Override
 	public AgendaDefinition getSubAgenda() {
 		return this.subAgenda; 
 	}
 
 	@Override
 	public AgendaItemDefinition getWhenTrue() {
 		return this.whenTrue; 
 	}
 
 	@Override
 	public AgendaItemDefinition getWhenFalse() {
 		return this.whenFalse; 
 	}
 
 	@Override
 	public AgendaItemDefinition getAlways() {
 		return this.always; 
 	}
 
     @Override
     public Long getVersionNumber() {
         return versionNumber;
     }
         
 	/**
      * This builder is used to construct instances of KRMS Repository AgendaItemDefinition.  It enforces the constraints of the {@link AgendaItemDefinitionContract}.
      */
     public static class Builder implements AgendaItemDefinitionContract, ModelBuilder, Serializable {
 		
         private String id;
         private String agendaId;
         private String ruleId;
         private String subAgendaId;
         private String whenTrueId;
         private String whenFalseId;
         private String alwaysId;
         private Long versionNumber;
         
         private RuleDefinition.Builder rule;
         private AgendaDefinition.Builder subAgenda;
         
         private AgendaItemDefinition.Builder whenTrue;
         private AgendaItemDefinition.Builder whenFalse;
         private AgendaItemDefinition.Builder always;
         
 
 		/**
 		 * Private constructor for creating a builder with all of it's required attributes.
 		 */
         private Builder(String id, String agendaId) {
         	setId(id);
         	setAgendaId(agendaId);
             setVersionNumber(0L);
         }
 
         /**
          * Create a builder with the given parameters.
          *
          * @param id
          * @param agendaId
          * @return Builder
          */
         public static Builder create(String id, String agendaId){
         	return new Builder(id, agendaId);
         }
 
         /**
          * Creates a builder by populating it with data from the given {@link AgendaItemDefinitionContract}.
          * 
          * @param contract the contract from which to populate this builder
          * @return an instance of the builder populated with data from the contract
          * @throws IllegalArgumentException if the contract is null
          */
         public static Builder create(AgendaItemDefinitionContract contract) {
         	if (contract == null) {
                 throw new IllegalArgumentException("contract is null");
         	}
         	Builder builder =  new Builder(contract.getId(), contract.getAgendaId());
         	builder.setRuleId(contract.getRuleId());
         	builder.setSubAgendaId(contract.getSubAgendaId());
         	builder.setWhenTrueId(contract.getWhenTrueId());
         	builder.setWhenFalseId(contract.getWhenFalseId());
         	builder.setAlwaysId(contract.getAlwaysId());
         	
         	if (contract.getRule() != null){
         		builder.setRule(RuleDefinition.Builder.create( contract.getRule() ));
         	}
         	if (contract.getSubAgenda() != null){
         		builder.setSubAgenda( AgendaDefinition.Builder.create( contract.getSubAgenda()));
         	}
         	if (contract.getWhenTrue() != null){
         		builder.setWhenTrue( AgendaItemDefinition.Builder.create( contract.getWhenTrue()));
         	}
         	if (contract.getWhenFalse() != null){
         		builder.setWhenFalse( AgendaItemDefinition.Builder.create( contract.getWhenFalse()));
         	}
         	if (contract.getAlways() != null){
         		builder.setAlways( AgendaItemDefinition.Builder.create( contract.getAlways()));
         	}
             builder.setVersionNumber(contract.getVersionNumber());
         	return builder;
         }
 
 		/**
 		 * Sets the value of the id on this builder to the given value.
 		 * 
 		 * @param agendaItemId the agenda item id to set, may be null, must not be blank
          * <p>The agenda item id is generated by the system.  For new agenda items (not yet persisted) this field is null.
          *    For existing agenda items this field is the generated id.</p>
 		 * @throws IllegalArgumentException if the id is blank
 		 */
         public void setId(String agendaItemId) {
             if (agendaItemId != null && StringUtils.isBlank(agendaItemId)) {
                 throw new IllegalArgumentException("agendaItemId must be null or non-blank");
             }
 			this.id = agendaItemId;
 		}
 
         /**
          * Set the value of the agenda id on this builder to the given value.
          *
          * @param agendaId the agenda id of the agenda item to set, must not be null or blank
          * @throws IllegalArgumentException if the agenda id is null or blank
          */
         public void setAgendaId(String agendaId) {
             if (StringUtils.isBlank(agendaId)) {
                 throw new IllegalArgumentException("agendaId is blank");
             }
 			this.agendaId = agendaId;
 		}
 
         /**
          * Set the value of the rule id on this builder to the given value.
          * @param ruleId the rule id of the agenda item to set
          */
 		public void setRuleId(String ruleId) {
 			this.ruleId = ruleId;
 		}
 
         /**
          * Set the value of the sub agenda id on this builder to the given value.
          * @param subAgendaId the sub agenda id of the agenda item to set
          */
 		public void setSubAgendaId(String subAgendaId) {
 			this.subAgendaId = subAgendaId;
 		}
 
         /**
          * Set the value of the agenda item id for the "when true" condition on this builder to the given value.
          * @param whenTrueId the agenda item id for the "when true" condition of the agenda item to set
          */
 		public void setWhenTrueId(String whenTrueId) {
 			this.whenTrueId = whenTrueId;
 		}
 
         /**
          * Set the value of the agenda item id for the "when false" condition on this builder to the given value.
          * @param whenFalseId the agenda item id for the "when false" condition of the agenda item to set
          */
 		public void setWhenFalseId(String whenFalseId) {
 			this.whenFalseId = whenFalseId;
 		}
 
         /**
          * Set the value of the agenda item id for the "always" condition on this builder to the given value.
          * @param alwaysId the agenda item id for the "always" condition of the agenda item to set
          */
 		public void setAlwaysId(String alwaysId) {
 			this.alwaysId = alwaysId;
 		}
 
         /**
          * Set the value of the rule on this builder to the given value.
          * @param rule the rule of the agenda item to set
          */
 		public void setRule(RuleDefinition.Builder rule) {
 			this.rule = rule;
 		}
 
         /**
          * Set the value of the sub agenda on this builder to the given value.
          * @param subAgenda the sub agenda of the agenda item to set
          */
 		public void setSubAgenda(AgendaDefinition.Builder subAgenda) {
 			this.subAgenda = subAgenda;
 		}
 
         /**
          * Set the value of the agenda item for the "when true" condition on this builder to the given value.
          * Has the additional side effect of setting whenTrueId to the ID value of the {{whenTrue}} argument.
          * @param whenTrue the agenda item for the "when true" condition of the agenda item to set
          */
 		public void setWhenTrue(AgendaItemDefinition.Builder whenTrue) {
 			this.whenTrue = whenTrue;
             this.whenTrueId = (whenTrue != null) ? whenTrue.getId() : null;
 		}
 
         /**
          * Set the value of the agenda item for the "when false" condition on this builder to the given value.
          * Has the additional side effect of setting whenTrueId to the ID value of the {{whenFalse}} argument.
          * @param whenFalse the agenda item for the "when false" condition of the agenda item to set
          */
 		public void setWhenFalse(AgendaItemDefinition.Builder whenFalse) {
 			this.whenFalse = whenFalse;
             this.whenFalseId = (whenFalse != null) ? whenFalse.getId() : null;
         }
 
         /**
          * Set the value of the agenda item for the "always" condition on this builder to the given value.
          * Has the additional side effect of setting {{whenTrueId}} to the ID value of the always argument.
          * @param always the agenda item for the "always" condition of the agenda item to set
          */
 		public void setAlways(AgendaItemDefinition.Builder always) {
 			this.always = always;
             this.alwaysId = (always != null) ? always.getId() : null;
 		}
 
         /**
          * Set the value of the version number on this builder to the given value.
          * @param versionNumber the version number set
          */
 		public void setVersionNumber(Long versionNumber){
             this.versionNumber = versionNumber;
         }
         		
 		@Override
 		public String getId() {
 			return id;
 		}
 
 		@Override
 		public String getAgendaId() {
 			return agendaId;
 		}
 
 		@Override
 		public String getRuleId() {
 			return ruleId;
 		}
 
 		@Override
 		public String getSubAgendaId() {
 			return subAgendaId;
 		}
 
 		@Override
 		public String getWhenTrueId() {
 			return whenTrueId;
 		}
 
 		@Override
 		public String getWhenFalseId() {
 			return whenFalseId;
 		}
 
 		@Override
 		public String getAlwaysId() {
 			return alwaysId;
 		}
 
 		@Override
 		public RuleDefinition.Builder getRule() {
 			return rule;
 		}
 
 		@Override
 		public AgendaDefinition.Builder getSubAgenda() {
 			return subAgenda;
 		}
 
 		@Override
 		public AgendaItemDefinition.Builder getWhenTrue() {
 			return whenTrue;
 		}
 
 		@Override
 		public AgendaItemDefinition.Builder getWhenFalse() {
 			return whenFalse;
 		}
 
 		@Override
 		public AgendaItemDefinition.Builder getAlways() {
 			return always;
 		}
 
         @Override
         public Long getVersionNumber() {
             return versionNumber;
         }
 
 		/**
 		 * Builds an instance of a AgendaItemDefinition based on the current state of the builder.
 		 * 
 		 * @return the fully-constructed AgendaItemDefinition
 		 */
         @Override
         public AgendaItemDefinition build() {
             return new AgendaItemDefinition(this);
         }
 		
     }
 	
 	/**
 	 * Defines some internal constants used on this class.
 	 */
 	static class Constants {
 		final static String ROOT_ELEMENT_NAME = "AgendaItemDefinition";
 		final static String TYPE_NAME = "AgendaItemType";
 	}
 	
 	/**
 	 * A private class which exposes constants which define the XML element names to use
 	 * when this object is marshalled to XML.
 	 */
 	public static class Elements {
 		final static String ID = "id";
 		final static String AGENDA_ID = "agendaId";
 		final static String RULE_ID = "ruleId";
 		final static String SUB_AGENDA_ID = "subAgendaId";
 		final static String WHEN_TRUE_ID = "whenTrueId";
 		final static String WHEN_FALSE_ID = "whenFalseId";
 		final static String ALWAYS_ID = "alwaysId";
 
 		final static String RULE = "rule";
 		final static String SUB_AGENDA = "subAgenda";
 		final static String WHEN_TRUE = "whenTrue";
 		final static String WHEN_FALSE = "whenFalse";
 		final static String ALWAYS = "always";
 	}
 
     public static class Cache {
         public static final String NAME = KrmsConstants.Namespaces.KRMS_NAMESPACE_2_0 + "/" + AgendaItemDefinition.Constants.TYPE_NAME;
     }
 }