How to use

shouldIterateOnPrimitives

method

in

org.eclipse.persistence.internal.descriptors.DescriptorIterator

/**
 * INTERNAL:
 * Called when iterating through descriptors to handle iteration on this mapping when it is used as a MapKey
 * @param iterator
 * @param element
 */
public void iterateOnMapKey(DescriptorIterator iterator, Object element){
  if (iterator.shouldIterateOnPrimitives()) {
    iterator.iteratePrimitiveForMapping(element, this);
  }
}

/**
 * INTERNAL:
 * Iterate on the attribute value.
 * The value holder has already been processed.
 * PERF: Avoid iteration if not required.
 */
@Override
public void iterateOnRealAttributeValue(DescriptorIterator iterator, Object realAttributeValue) {
  if (iterator.shouldIterateOnPrimitives()) {
    super.iterateOnRealAttributeValue(iterator, realAttributeValue);
  }
}

/**
 * INTERNAL:
 * Iterate on the attribute value.
 * The value holder has already been processed.
 * PERF: Avoid iteration if not required.
 */
public void iterateOnRealAttributeValue(DescriptorIterator iterator, Object realAttributeValue) {
  if (iterator.shouldIterateOnPrimitives()) {
    super.iterateOnRealAttributeValue(iterator, realAttributeValue);
  }
}

/**
 * INTERNAL:
 * Called when iterating through descriptors to handle iteration on this mapping when it is used as a MapKey.
 */
public void iterateOnMapKey(DescriptorIterator iterator, Object element){
  if (iterator.shouldIterateOnPrimitives()) {
    iterator.iteratePrimitiveForMapping(element, this);
  }
}

/**
 * INTERNAL:
 * Iterate on the attribute value.
 * The value holder has already been processed.
 * PERF: Avoid iteration if not required.
 */
@Override
public void iterateOnRealAttributeValue(DescriptorIterator iterator, Object realAttributeValue) {
  if (iterator.shouldIterateOnPrimitives()) {
    super.iterateOnRealAttributeValue(iterator, realAttributeValue);
  }
}

/**
 * INTERNAL:
 * Called when iterating through descriptors to handle iteration on this mapping when it is used as a MapKey.
 */
public void iterateOnMapKey(DescriptorIterator iterator, Object element){
  if (iterator.shouldIterateOnPrimitives()) {
    iterator.iteratePrimitiveForMapping(element, this);
  }
}

/**
 * INTERNAL:
 * Perform the iteration operation on the objects attributes through the mappings.
 */
public void iterate(DescriptorIterator iterator) {
  List<DatabaseMapping> mappings;
  // Only iterate on relationships if required.
  if (iterator.shouldIterateOnPrimitives()) {
    mappings = this.descriptor.getMappings();
  } else {
    // PERF: Only process relationships.
    if (this.isSimple) {
      return;
    }
    mappings = this.relationshipMappings;
  }
  int mappingsSize = mappings.size();
  for (int index = 0; index < mappingsSize; index++) {
    mappings.get(index).iterate(iterator);
  }
}

/**
 * INTERNAL:
 * Perform the iteration operation on the objects attributes through the mappings.
 */
public void iterate(DescriptorIterator iterator) {
  List<DatabaseMapping> mappings;
  // Only iterate on relationships if required.
  if (iterator.shouldIterateOnPrimitives()) {
    mappings = this.descriptor.getMappings();
  } else {
    // PERF: Only process relationships.
    if (this.isSimple) {
      return;
    }
    mappings = this.relationshipMappings;
  }
  int mappingsSize = mappings.size();
  for (int index = 0; index < mappingsSize; index++) {
    mappings.get(index).iterate(iterator);
  }
}
 

/**
 * INTERNAL:
 * Iterate on the appropriate attribute.
 */
@Override
public void iterate(DescriptorIterator iterator) {
  // PERF: Only iterate when required.
  if (iterator.shouldIterateOnPrimitives()) {
    iterator.iteratePrimitiveForMapping(getAttributeValueFromObject(iterator.getVisitedParent()), this);
  }
}

/**
 * INTERNAL:
 * Iterate on the appropriate attribute.
 */
@Override
public void iterate(DescriptorIterator iterator) {
  // PERF: Only iterate when required.
  if (iterator.shouldIterateOnPrimitives()) {
    iterator.iteratePrimitiveForMapping(getAttributeValueFromObject(iterator.getVisitedParent()), this);
  }
}

/**
 * INTERNAL:
 * Iterate on the appropriate attribute.
 */
public void iterate(DescriptorIterator iterator) {
  // PERF: Only iterate when required.
  if (iterator.shouldIterateOnPrimitives()) {
    iterator.iteratePrimitiveForMapping(getAttributeValueFromObject(iterator.getVisitedParent()), this);
  }
}

/**
 * Iterate on the primitive value for its mapping.
 */
public void iteratePrimitiveForMapping(Object primitiveValue, DatabaseMapping mapping) {
  if (primitiveValue == null) {
    return;
  }
  setCurrentMapping(mapping);
  setCurrentDescriptor(null);
  if (shouldIterateOnPrimitives()) {// false by default
    internalIteratePrimitive(primitiveValue);
  }
}

/**
 * INTERNAL:
 * Perform the iteration operation on the objects attributes through the mappings.
 */
public void iterate(DescriptorIterator iterator) {
  List<DatabaseMapping> mappings;
  // Only iterate on relationships if required.
  if (iterator.shouldIterateOnPrimitives()) {
    mappings = this.descriptor.getMappings();
  } else {
    ObjectBuilder builder = this.descriptor.getObjectBuilder();
    // PERF: Only process relationships.
    if (builder.isSimple()) {
      return;
    }
    mappings = builder.getRelationshipMappings();
  }
  int mappingsSize = mappings.size();
  for (int index = 0; index < mappingsSize; index++) {
    mappings.get(index).iterate(iterator);
  }
}
 

/**
 * Iterate on the primitive value for its mapping.
 */
public void iteratePrimitiveForMapping(Object primitiveValue, DatabaseMapping mapping) {
  if (primitiveValue == null) {
    return;
  }
  setCurrentMapping(mapping);
  setCurrentDescriptor(null);
  if (shouldIterateOnPrimitives()) {// false by default
    AttributeGroup currentGroupOriginal = null;
    AttributeItem currentItemOriginal = null;
    if(this.usesGroup) {
      currentGroupOriginal = this.currentGroup;
      currentItemOriginal = this.currentItem;
      this.currentGroup = this.currentItem.getGroup();
    }
    internalIteratePrimitive(primitiveValue);
    if(this.usesGroup) {
      this.currentGroup = currentGroupOriginal;
      this.currentItem = currentItemOriginal;
    }
  }
}

/**
 * INTERNAL:
 * Iterate on the attribute value.
 * The value holder has already been processed.
 * PERF: Avoid iteration if not required.
 */
public void iterateOnRealAttributeValue(DescriptorIterator iterator, Object realAttributeValue) {
  super.iterateOnRealAttributeValue(iterator, realAttributeValue);
  ContainerPolicy cp = getContainerPolicy();
  if (realAttributeValue != null && !iterator.shouldIterateOnPrimitives()) {
    for (Object iter = cp.iteratorFor(realAttributeValue); cp.hasNext(iter);) {
      Object wrappedObject = cp.nextEntry(iter, iterator.getSession());
      cp.iterateOnMapKey(iterator, wrappedObject);
    }
  }
}
 

/**
 * INTERNAL:
 * Iterate on the attribute value.
 * The value holder has already been processed.
 * PERF: Avoid iteration if not required.
 */
@Override
public void iterateOnRealAttributeValue(DescriptorIterator iterator, Object realAttributeValue) {
  super.iterateOnRealAttributeValue(iterator, realAttributeValue);
  ContainerPolicy cp = getContainerPolicy();
  if (realAttributeValue != null && !iterator.shouldIterateOnPrimitives()) {
    for (Object iter = cp.iteratorFor(realAttributeValue); cp.hasNext(iter);) {
      Object wrappedObject = cp.nextEntry(iter, iterator.getSession());
      cp.iterateOnMapKey(iterator, wrappedObject);
    }
  }
}

/**
 * INTERNAL:
 * Iterate on the attribute value.
 * The value holder has already been processed.
 * PERF: Avoid iteration if not required.
 */
@Override
public void iterateOnRealAttributeValue(DescriptorIterator iterator, Object realAttributeValue) {
  super.iterateOnRealAttributeValue(iterator, realAttributeValue);
  ContainerPolicy cp = getContainerPolicy();
  if (realAttributeValue != null && !iterator.shouldIterateOnPrimitives()) {
    for (Object iter = cp.iteratorFor(realAttributeValue); cp.hasNext(iter);) {
      Object wrappedObject = cp.nextEntry(iter, iterator.getSession());
      cp.iterateOnMapKey(iterator, wrappedObject);
    }
  }
}
 

/**
 * INTERNAL:
 * Iterate on the appropriate attribute value.
 */
public void iterate(DescriptorIterator iterator) {
  // PERF: Only iterate when required.
  if (iterator.shouldIterateOnPrimitives()) {
    Object attributeValue = this.getAttributeValueFromObject(iterator.getVisitedParent());
    if (attributeValue == null) {
      return;
    }
    ContainerPolicy cp = this.getContainerPolicy();
    for (Object iter = cp.iteratorFor(attributeValue); cp.hasNext(iter);) {
      iterator.iteratePrimitiveForMapping(cp.next(iter, iterator.getSession()), this);
    }
  }
}

/**
 * INTERNAL:
 * Iterate on the appropriate attribute value.
 */
public void iterate(DescriptorIterator iterator) {
  // PERF: Only iterate when required.
  if (iterator.shouldIterateOnPrimitives()) {
    Object attributeValue = this.getAttributeValueFromObject(iterator.getVisitedParent());
    if (attributeValue == null) {
      return;
    }
    ContainerPolicy cp = this.getContainerPolicy();
    for (Object iter = cp.iteratorFor(attributeValue); cp.hasNext(iter);) {
      iterator.iteratePrimitiveForMapping(cp.next(iter, iterator.getSession()), this);
    }
  }
}

/**
 * INTERNAL:
 * Iterate on the appropriate attribute value.
 */
public void iterate(DescriptorIterator iterator) {
  // PERF: Only iterate when required.
  if (iterator.shouldIterateOnPrimitives()) {
    Object attributeValue = this.getAttributeValueFromObject(iterator.getVisitedParent());
    if (attributeValue == null) {
      return;
    }
    ContainerPolicy cp = this.getContainerPolicy();
    for (Object iter = cp.iteratorFor(attributeValue); cp.hasNext(iter);) {
      iterator.iteratePrimitiveForMapping(cp.next(iter, iterator.getSession()), this);
    }
  }
}