How to use

EISCompositeCollectionMapping

in

org.eclipse.persistence.eis.mappings

/**
 * INTERNAL:
 * The mapping is initialized with the given session. This mapping is fully initialized
 * after this.
 */
public void initialize(AbstractSession session) throws DescriptorException {
  super.initialize(session);
  if (this.getContainerPolicy() instanceof MapContainerPolicy) {
    ((MapContainerPolicy)getContainerPolicy()).setElementClass(this.getReferenceClass());
  }
}

  @Override
  protected AbstractRecord buildCompositeRow(Object attributeValue, AbstractSession session, AbstractRecord parentRow, WriteType writeType) {
    if (((EISDescriptor)getDescriptor()).isXMLFormat()) {
      XMLObjectBuilder objectBuilder = (XMLObjectBuilder)getReferenceDescriptor(attributeValue, session).getObjectBuilder();
      return objectBuilder.buildRow(attributeValue, session, getField(), (XMLRecord)parentRow);
    } else {
      return this.getObjectBuilder(attributeValue, session).buildRow(attributeValue, session, writeType);
    }
  }
}

/**
 * PUBLIC:
 * Set the name of the field mapped by the mapping.
 */
public void setFieldName(String fieldName) {
  this.setField(new DatabaseField(fieldName));
}

if (mapping.isEISMapping()) {
  EISCompositeCollectionMapping collectionMapping = (EISCompositeCollectionMapping) mapping;
  Class collectionClass = collectionMapping.getContainerPolicy().getContainerClass();
  String collectionType = getSimplePublicCollectionTypeName(collectionClass);
  if (collectionType == null) {
    collectionType = collectionClass.getSimpleName();
  if (collectionMapping.getReferenceClass() != null) {
    collectionName = collectionMapping.getReferenceClass().getSimpleName();
  if ((collectionName == null) && (collectionMapping.getAttributeClassification() != null)) {
    collectionName = collectionMapping.getAttributeClassification().getSimpleName();
  if (collectionMapping.getContainerPolicy().isMapPolicy()) {
    String mapKeyType = ((MapContainerPolicy) collectionMapping.getContainerPolicy()).getKeyType().getClass().getSimpleName();
    target = collectionType + "<" + mapKeyType + ", " + collectionName + ">";
  } else {

  private Class getCollectionGenericClass(DatabaseMapping mapping) {
    Class collectionName = null;
    if (mapping.isEISMapping()) {
      final EISCompositeCollectionMapping collectionMapping = (EISCompositeCollectionMapping) mapping;
      if (collectionMapping.getReferenceClass() != null) {
        collectionName = collectionMapping.getReferenceClass();
      }
      if ((collectionName == null) && (collectionMapping.getAttributeClassification() != null)) {
        collectionName = collectionMapping.getAttributeClassification();
      }
    } else {
      final CollectionMapping collectionMapping = (CollectionMapping) mapping;
      if (collectionMapping.getReferenceClass() != null) {
        collectionName = collectionMapping.getReferenceClass();
      }
      if ((collectionName == null) && (collectionMapping.getAttributeClassification() != null)) {
        collectionName = collectionMapping.getAttributeClassification();
      }
    }

    return collectionName;
  }
}

  xmlElement.setContainerType(((EISCompositeDirectCollectionMapping) mapping).getContainerPolicy().getContainerClassName());
} else if (mapping instanceof EISCompositeCollectionMapping) {
  xmlElement.setContainerType(((EISCompositeCollectionMapping) mapping).getContainerPolicy().getContainerClassName());
  xmlElement.setType(((EISCompositeCollectionMapping) mapping).getReferenceClassName());

/**
 * PUBLIC:
 * Return the name of the field mapped by the mapping.
 */
public String getFieldName() {
  return this.getField().getName();
}

/**
 * Return a new aggregate collection/element collection mapping for this type of descriptor.
 */
@Override
public DatabaseMapping newAggregateCollectionMapping() {
  return new EISCompositeCollectionMapping();
}

private void setRelationshipInfo(Object entity) {
  if ((entity != null) && (entity instanceof PersistenceWeavedRest)) {
    ClassDescriptor descriptor = getServerSession().getClassDescriptor(entity.getClass());
    if (descriptor != null) {
      ((PersistenceWeavedRest) entity)._persistence_setRelationships(new ArrayList<RelationshipInfo>());
      for (DatabaseMapping mapping : descriptor.getMappings()) {
        if (mapping.isForeignReferenceMapping()) {
          ForeignReferenceMapping frMapping = (ForeignReferenceMapping) mapping;
          RelationshipInfo info = new RelationshipInfo();
          info.setAttributeName(frMapping.getAttributeName());
          info.setOwningEntity(entity);
          info.setOwningEntityAlias(descriptor.getAlias());
          info.setPersistencePrimaryKey(descriptor.getObjectBuilder().extractPrimaryKeyFromObject(entity, (AbstractSession) getServerSession()));
          ((PersistenceWeavedRest) entity)._persistence_getRelationships().add(info);
        } else if (mapping.isEISMapping()) {
          if (mapping instanceof EISCompositeCollectionMapping) {
            EISCompositeCollectionMapping eisMapping = (EISCompositeCollectionMapping) mapping;
            RelationshipInfo info = new RelationshipInfo();
            info.setAttributeName(eisMapping.getAttributeName());
            info.setOwningEntity(entity);
            info.setOwningEntityAlias(descriptor.getAlias());
            info.setPersistencePrimaryKey(descriptor.getObjectBuilder().extractPrimaryKeyFromObject(entity, (AbstractSession) getServerSession()));
            ((PersistenceWeavedRest) entity)._persistence_getRelationships().add(info);
          }
        }
      }
    }
  }
}

if (mapping.isEISMapping()) {
  EISCompositeCollectionMapping collectionMapping = (EISCompositeCollectionMapping) mapping;
  Class collectionClass = collectionMapping.getContainerPolicy().getContainerClass();
  String collectionType = getSimplePublicCollectionTypeName(collectionClass);
  if (collectionType == null) {
    collectionType = collectionClass.getSimpleName();
  if (collectionMapping.getReferenceClass() != null) {
    collectionName = collectionMapping.getReferenceClass().getSimpleName();
  if ((collectionName == null) && (collectionMapping.getAttributeClassification() != null)) {
    collectionName = collectionMapping.getAttributeClassification().getSimpleName();
  if (collectionMapping.getContainerPolicy().isMapPolicy()) {
    String mapKeyType = ((MapContainerPolicy) collectionMapping.getContainerPolicy()).getKeyType().getClass().getSimpleName();
    target = collectionType + "<" + mapKeyType + ", " + collectionName + ">";
  } else {

  private Class getCollectionGenericClass(DatabaseMapping mapping) {
    Class collectionName = null;
    if (mapping.isEISMapping()) {
      final EISCompositeCollectionMapping collectionMapping = (EISCompositeCollectionMapping) mapping;
      if (collectionMapping.getReferenceClass() != null) {
        collectionName = collectionMapping.getReferenceClass();
      }
      if ((collectionName == null) && (collectionMapping.getAttributeClassification() != null)) {
        collectionName = collectionMapping.getAttributeClassification();
      }
    } else {
      final CollectionMapping collectionMapping = (CollectionMapping) mapping;
      if (collectionMapping.getReferenceClass() != null) {
        collectionName = collectionMapping.getReferenceClass();
      }
      if ((collectionName == null) && (collectionMapping.getAttributeClassification() != null)) {
        collectionName = collectionMapping.getAttributeClassification();
      }
    }

    return collectionName;
  }
}

  xmlElement.setContainerType(((EISCompositeDirectCollectionMapping) mapping).getContainerPolicy().getContainerClassName());
} else if (mapping instanceof EISCompositeCollectionMapping) {
  xmlElement.setContainerType(((EISCompositeCollectionMapping) mapping).getContainerPolicy().getContainerClassName());
  xmlElement.setType(((EISCompositeCollectionMapping) mapping).getReferenceClassName());

/**
 * Get the XPath String
 *
 * @return String the XPath String associated with this Mapping
 *
 */
public String getXPath() {
  return getField().getName();
}

/**
 * Return a new aggregate collection/element collection mapping for this type of descriptor.
 */
@Override
public DatabaseMapping newAggregateCollectionMapping() {
  return new EISCompositeCollectionMapping();
}

private void setRelationshipInfo(Object entity) {
  if ((entity != null) && (entity instanceof PersistenceWeavedRest)) {
    ClassDescriptor descriptor = getServerSession().getClassDescriptor(entity.getClass());
    if (descriptor != null) {
      ((PersistenceWeavedRest) entity)._persistence_setRelationships(new ArrayList<RelationshipInfo>());
      for (DatabaseMapping mapping : descriptor.getMappings()) {
        if (mapping.isForeignReferenceMapping()) {
          ForeignReferenceMapping frMapping = (ForeignReferenceMapping) mapping;
          RelationshipInfo info = new RelationshipInfo();
          info.setAttributeName(frMapping.getAttributeName());
          info.setOwningEntity(entity);
          info.setOwningEntityAlias(descriptor.getAlias());
          info.setPersistencePrimaryKey(descriptor.getObjectBuilder().extractPrimaryKeyFromObject(entity, (AbstractSession) getServerSession()));
          ((PersistenceWeavedRest) entity)._persistence_getRelationships().add(info);
        } else if (mapping.isEISMapping()) {
          if (mapping instanceof EISCompositeCollectionMapping) {
            EISCompositeCollectionMapping eisMapping = (EISCompositeCollectionMapping) mapping;
            RelationshipInfo info = new RelationshipInfo();
            info.setAttributeName(eisMapping.getAttributeName());
            info.setOwningEntity(entity);
            info.setOwningEntityAlias(descriptor.getAlias());
            info.setPersistencePrimaryKey(descriptor.getObjectBuilder().extractPrimaryKeyFromObject(entity, (AbstractSession) getServerSession()));
            ((PersistenceWeavedRest) entity)._persistence_getRelationships().add(info);
          }
        }
      }
    }
  }
}

  protected AbstractRecord buildCompositeRow(Object attributeValue, AbstractSession session, AbstractRecord parentRow) {
    if (((EISDescriptor)getDescriptor()).getDataFormat() == EISDescriptor.XML) {
      XMLObjectBuilder objectBuilder = (XMLObjectBuilder)getReferenceDescriptor(attributeValue, session).getObjectBuilder();
      return objectBuilder.buildRow(attributeValue, session, getField(), (XMLRecord)parentRow);
    } else {
      return this.getObjectBuilder(attributeValue, session).buildRow(attributeValue, session);
    }
  }
}

/**
 * INTERNAL:
 * The mapping is initialized with the given session. This mapping is fully initialized
 * after this.
 */
public void initialize(AbstractSession session) throws DescriptorException {
  super.initialize(session);
  if (this.getContainerPolicy() instanceof MapContainerPolicy) {
    ((MapContainerPolicy)getContainerPolicy()).setElementClass(this.getReferenceClass());
  }
}

/**
 * PUBLIC:
 * Set the name of the field mapped by the mapping.
 */
public void setFieldName(String fieldName) {
  this.setField(new DatabaseField(fieldName));
}

/**
 * Get the XPath String
 *
 * @return String the XPath String associated with this Mapping
 *
 */
public String getXPath() {
  return getField().getName();
}

  @Override
  protected AbstractRecord buildCompositeRow(Object attributeValue, AbstractSession session, AbstractRecord parentRow, WriteType writeType) {
    if (((EISDescriptor)getDescriptor()).isXMLFormat()) {
      XMLObjectBuilder objectBuilder = (XMLObjectBuilder)getReferenceDescriptor(attributeValue, session).getObjectBuilder();
      return objectBuilder.buildRow(attributeValue, session, getField(), (XMLRecord)parentRow);
    } else {
      return this.getObjectBuilder(attributeValue, session).buildRow(attributeValue, session, writeType);
    }
  }
}