/*******************************************************************************
 * Copyright (c) 2008, 2011 Oracle. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0, which accompanies this distribution
 * and is available at http://www.eclipse.org/legal/epl-v10.html.
 *
 * Contributors:
 *     Oracle - initial API and implementation
 ******************************************************************************/
package org.eclipse.jpt.jpa.eclipselink.core.internal.context.java;

import java.util.List;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.common.core.resource.java.JavaResourceAnnotatedElement;
import org.eclipse.jpt.common.utility.internal.NotNullFilter;
import org.eclipse.jpt.common.utility.internal.iterables.CompositeIterable;
import org.eclipse.jpt.common.utility.internal.iterables.FilteringIterable;
import org.eclipse.jpt.common.utility.internal.iterables.TransformationIterable;
import org.eclipse.jpt.jpa.core.context.AttributeMapping;
import org.eclipse.jpt.jpa.core.context.java.JavaPersistentType;
import org.eclipse.jpt.jpa.core.internal.context.JptValidator;
import org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaEmbeddable;
import org.eclipse.jpt.jpa.core.resource.java.EmbeddableAnnotation;
import org.eclipse.jpt.jpa.eclipselink.core.context.EclipseLinkChangeTracking;
import org.eclipse.jpt.jpa.eclipselink.core.context.EclipseLinkConverter;
import org.eclipse.jpt.jpa.eclipselink.core.context.EclipseLinkCustomizer;
import org.eclipse.jpt.jpa.eclipselink.core.context.java.JavaEclipseLinkConverterContainer;
import org.eclipse.jpt.jpa.eclipselink.core.context.java.JavaEclipseLinkEmbeddable;
import org.eclipse.jpt.jpa.eclipselink.core.internal.context.EclipseLinkTypeMappingValidator;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;

/**
 * EclipseLink
 * Java embeddable type mapping
 */
public class JavaEclipseLinkEmbeddableImpl
	extends AbstractJavaEmbeddable
	implements JavaEclipseLinkEmbeddable, JavaEclipseLinkConverterContainer.Owner
{
	protected final JavaEclipseLinkConverterContainer converterContainer;

	protected final JavaEclipseLinkChangeTracking changeTracking;

	protected final JavaEclipseLinkCustomizer customizer;


	public JavaEclipseLinkEmbeddableImpl(JavaPersistentType parent, EmbeddableAnnotation mappingAnnotation) {
		super(parent, mappingAnnotation);
		this.converterContainer = this.buildConverterContainer();
		this.changeTracking = this.buildChangeTracking();
		this.customizer = this.buildCustomizer();
	}


	// ********** synchronize/update **********

	@Override
	public void synchronizeWithResourceModel() {
		super.synchronizeWithResourceModel();
		this.converterContainer.synchronizeWithResourceModel();
		this.changeTracking.synchronizeWithResourceModel();
		this.customizer.synchronizeWithResourceModel();
	}

	@Override
	public void update() {
		super.update();
		this.converterContainer.update();
		this.changeTracking.update();
		this.customizer.update();
	}


	// ********** converter container **********

	public JavaEclipseLinkConverterContainer getConverterContainer() {
		return this.converterContainer;
	}

	protected JavaEclipseLinkConverterContainer buildConverterContainer() {
		return new JavaEclipseLinkConverterContainerImpl(this, this);
	}

	@SuppressWarnings("unchecked")
	public Iterable<EclipseLinkConverter> getConverters() {
		return new CompositeIterable<EclipseLinkConverter>(
					this.converterContainer.getConverters(),
					this.getAttributeMappingConverters()
				);
	}

	protected Iterable<EclipseLinkConverter> getAttributeMappingConverters() {
		return new FilteringIterable<EclipseLinkConverter>(this.getAttributeMappingConverters_(), NotNullFilter.<EclipseLinkConverter>instance());
	}

	protected Iterable<EclipseLinkConverter> getAttributeMappingConverters_() {
		return new CompositeIterable<EclipseLinkConverter>(this.getAttributeMappingConverterLists());
	}

	protected Iterable<Iterable<? extends EclipseLinkConverter>> getAttributeMappingConverterLists() {
		return new TransformationIterable<AttributeMapping, Iterable<? extends EclipseLinkConverter>>(
				this.getAttributeMappings(),
				ATTRIBUTE_MAPPING_CONVERTER_TRANSFORMER
			);
	}


	// ********** change tracking **********

	public EclipseLinkChangeTracking getChangeTracking() {
		return this.changeTracking;
	}

	protected JavaEclipseLinkChangeTracking buildChangeTracking() {
		return new JavaEclipseLinkChangeTracking(this);
	}


	// ********** customizer **********

	public EclipseLinkCustomizer getCustomizer() {
		return this.customizer;
	}

	protected JavaEclipseLinkCustomizer buildCustomizer() {
		return new JavaEclipseLinkCustomizer(this);
	}


	// ********** misc **********

	public boolean usesPrimaryKeyColumns() {
		return false;
	}

	public boolean usesPrimaryKeyTenantDiscriminatorColumns() {
		return false;
	}

	public JavaResourceAnnotatedElement getJavaResourceAnnotatedElement() {
		return this.getJavaResourceType();
	}


	// ********** validation **********

	@Override
	public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) {
		super.validate(messages, reporter, astRoot);
		this.converterContainer.validate(messages, reporter, astRoot);
		this.changeTracking.validate(messages, reporter, astRoot);
		this.customizer.validate(messages, reporter, astRoot);
	}

	@Override
	protected JptValidator buildTypeMappingValidator(CompilationUnit astRoot) {
		return new EclipseLinkTypeMappingValidator(this, this.getJavaResourceType(), this.buildTextRangeResolver(astRoot));
	}
}