package org.kuali.rice.kew.api.peopleflow;
   
   import org.apache.commons.collections.CollectionUtils;
   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.core.api.mo.ModelObjectUtils;
   import org.kuali.rice.kew.api.action.ActionRequestPolicy;
  import org.kuali.rice.kew.api.action.DelegationType;
  import org.w3c.dom.Element;
  
  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.XmlElementWrapper;
  import javax.xml.bind.annotation.XmlRootElement;
  import javax.xml.bind.annotation.XmlType;
  import java.io.Serializable;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.List;
  
  @XmlRootElement(name = PeopleFlowMember.Constants.ROOT_ELEMENT_NAME)
  @XmlAccessorType(XmlAccessType.NONE)
  @XmlType(name = PeopleFlowMember.Constants.TYPE_NAME, propOrder = {
          PeopleFlowMember.Elements.MEMBER_ID,
          PeopleFlowMember.Elements.MEMBER_TYPE,
          PeopleFlowMember.Elements.ACTION_REQUEST_POLICY,
          PeopleFlowMember.Elements.RESPONSIBILITY_ID,
          PeopleFlowMember.Elements.PRIORITY,
          PeopleFlowMember.Elements.DELEGATES,
          CoreConstants.CommonElements.FUTURE_ELEMENTS
  })
  public final class PeopleFlowMember extends AbstractDataTransferObject implements PeopleFlowMemberContract {
  
      private static final int STARTING_PRIORITY = 1;
  
      @XmlElement(name = Elements.MEMBER_ID, required = true)
      private final String memberId;
  
      @XmlElement(name = Elements.MEMBER_TYPE, required = true)
      private final MemberType memberType;
  
      @XmlElement(name = Elements.ACTION_REQUEST_POLICY, required = false)
      private final ActionRequestPolicy actionRequestPolicy;
  
      @XmlElement(name = Elements.RESPONSIBILITY_ID, required = false)
      private final String responsibilityId;
  
      @XmlElement(name = Elements.PRIORITY, required = true)
      private final int priority;
  
      @XmlElementWrapper(name = Elements.DELEGATES, required = false)
      @XmlElement(name = Elements.DELEGATE, required = false)
      private final List<PeopleFlowDelegate> delegates;
  
      @SuppressWarnings("unused")
      @XmlAnyElement
      private final Collection<Element> _futureElements = null;
  
      /**
       * Private constructor used only by JAXB.
       */
      private PeopleFlowMember() {
          this.memberId = null;
          this.memberType = null;
          this.actionRequestPolicy = null;
          this.responsibilityId = null;
          this.priority = STARTING_PRIORITY;
          this.delegates = null;
      }
  
      private PeopleFlowMember(Builder builder) {
          this.memberId = builder.getMemberId();
          this.memberType = builder.getMemberType();
          this.actionRequestPolicy = builder.getActionRequestPolicy();
          this.responsibilityId = builder.getResponsibilityId();
          this.priority = builder.getPriority();
          this.delegates = ModelObjectUtils.buildImmutableCopy(builder.getDelegates());
      }
  
      @Override
      public String getMemberId() {
          return this.memberId;
      }
  
      @Override
      public MemberType getMemberType() {
          return this.memberType;
      }
  
      @Override
      public ActionRequestPolicy getActionRequestPolicy() {
          return this.actionRequestPolicy;
      }
  
      @Override
     public String getResponsibilityId() {
         return this.responsibilityId;
     }
 
     @Override
     public int getPriority() {
         return this.priority;
     }
 
     @Override
     public List<PeopleFlowDelegate> getDelegates() {
         return this.delegates;
     }
 
     /**
      * A builder which can be used to construct {@link PeopleFlowMember} instances.  Enforces the constraints of the
      * {@link PeopleFlowMemberContract}.
      */
     public final static class Builder implements Serializable, ModelBuilder, PeopleFlowMemberContract {
 
         private String memberId;
         private MemberType memberType;
         private ActionRequestPolicy actionRequestPolicy;
         private String responsibilityId;
         private int priority;
         private List<PeopleFlowDelegate.Builder> delegates;
 
         private Builder(String memberId, MemberType memberType) {
             setMemberId(memberId);
             setMemberType(memberType);
             setPriority(STARTING_PRIORITY);
             setDelegates(new ArrayList<PeopleFlowDelegate.Builder>());
         }
 
         public static Builder create(String memberId, MemberType memberType) {
             return new Builder(memberId, memberType);
         }
 
         public static Builder create(PeopleFlowMemberContract contract) {
             if (contract == null) {
                 throw new IllegalArgumentException("contract was null");
             }
             Builder builder = create(contract.getMemberId(), contract.getMemberType());
             builder.setActionRequestPolicy(contract.getActionRequestPolicy());
             builder.setResponsibilityId(contract.getResponsibilityId());
             builder.setPriority(contract.getPriority());
             if (CollectionUtils.isNotEmpty(contract.getDelegates())) {
                 for (PeopleFlowDelegateContract delegate : contract.getDelegates()) {
                     builder.getDelegates().add(PeopleFlowDelegate.Builder.create(delegate));
                 }
             }
             return builder;
         }
 
         public PeopleFlowMember build() {
             return new PeopleFlowMember(this);
         }
 
         @Override
         public String getMemberId() {
             return this.memberId;
         }
 
         @Override
         public MemberType getMemberType() {
             return this.memberType;
         }
 
         @Override
         public ActionRequestPolicy getActionRequestPolicy() {
             return this.actionRequestPolicy;
         }
 
         @Override
         public String getResponsibilityId() {
             return this.responsibilityId;
         }
 
         @Override
         public int getPriority() {
             return this.priority;
         }
 
         @Override
         public List<PeopleFlowDelegate.Builder> getDelegates() {
             return delegates;
         }
 
         public void setMemberId(String memberId) {
             if (StringUtils.isBlank(memberId)) {
                 throw new IllegalArgumentException("memberId was null or blank");
             }
             this.memberId = memberId;
         }
 
         public void setMemberType(MemberType memberType) {
             if (memberType == null) {
                 throw new IllegalArgumentException("memberType was null");
             }
             this.memberType = memberType;
         }
 
         public void setActionRequestPolicy(ActionRequestPolicy actionRequestPolicy) {
             this.actionRequestPolicy = actionRequestPolicy;
         }
 
         public void setResponsibilityId(String responsibilityId) {
             this.responsibilityId = responsibilityId;
         }
 
         public void setPriority(int priority) {
             if (priority < STARTING_PRIORITY) {
                 throw new IllegalArgumentException("Given priority was smaller than the minimum prior value of " + STARTING_PRIORITY);
             }
             this.priority = priority;
         }
 
         public void setDelegates(List<PeopleFlowDelegate.Builder> delegates) {
             this.delegates = delegates;
         }
     }
 
     /**
      * Defines some internal constants used on this class.
      */
     static class Constants {
         final static String ROOT_ELEMENT_NAME = "peopleFlowMember";
         final static String TYPE_NAME = "PeopleFlowMemberType";
     }
 
     /**
      * A private class which exposes constants which define the XML element names to use when this object is marshalled to XML.
      */
     static class Elements {
         final static String MEMBER_ID = "memberId";
         final static String MEMBER_TYPE = "memberType";
         final static String ACTION_REQUEST_POLICY = "actionRequestPolicy";
         final static String RESPONSIBILITY_ID = "responsibilityId";
         final static String PRIORITY = "priority";
         final static String DELEGATES = "delegates";
         final static String DELEGATE = "delegate";
     }
 
 }