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/*******************************************************************************
* Copyright (c) 2007, 2010 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.core.internal.context.orm;
import java.util.Iterator;
import org.eclipse.jpt.core.context.AttributeMapping;
import org.eclipse.jpt.core.context.AttributeOverride;
import org.eclipse.jpt.core.context.Column;
import org.eclipse.jpt.core.context.Embeddable;
import org.eclipse.jpt.core.context.TypeMapping;
import org.eclipse.jpt.core.context.java.JavaAttributeOverride;
import org.eclipse.jpt.core.context.java.JavaBaseEmbeddedMapping;
import org.eclipse.jpt.core.context.java.JavaPersistentAttribute;
import org.eclipse.jpt.core.context.orm.OrmAttributeOverrideContainer;
import org.eclipse.jpt.core.context.orm.OrmBaseEmbeddedMapping;
import org.eclipse.jpt.core.context.orm.OrmPersistentAttribute;
import org.eclipse.jpt.core.context.orm.OrmTypeMapping;
import org.eclipse.jpt.core.resource.orm.AbstractXmlEmbedded;
import org.eclipse.jpt.core.resource.orm.XmlColumn;
import org.eclipse.jpt.utility.internal.CollectionTools;
import org.eclipse.jpt.utility.internal.iterators.CompositeIterator;
import org.eclipse.jpt.utility.internal.iterators.EmptyIterator;
import org.eclipse.jpt.utility.internal.iterators.TransformationIterator;
public abstract class AbstractOrmBaseEmbeddedMapping<T extends AbstractXmlEmbedded> extends AbstractOrmAttributeMapping<T> implements OrmBaseEmbeddedMapping
{
protected OrmAttributeOverrideContainer attributeOverrideContainer;
private Embeddable targetEmbeddable;//TODO hmm, why no property change notification for setting this??
protected AbstractOrmBaseEmbeddedMapping(OrmPersistentAttribute parent, T resourceMapping) {
super(parent, resourceMapping);
this.targetEmbeddable = embeddableFor(this.getJavaPersistentAttribute());
this.attributeOverrideContainer = getXmlContextNodeFactory().buildOrmAttributeOverrideContainer(this, new AttributeOverrideContainerOwner(), this.resourceAttributeMapping);
}
@Override
public void initializeFromOrmBaseEmbeddedMapping(OrmBaseEmbeddedMapping oldMapping) {
super.initializeFromOrmBaseEmbeddedMapping(oldMapping);
this.attributeOverrideContainer.initializeFromAttributeOverrideContainer(oldMapping.getAttributeOverrideContainer());
}
public OrmAttributeOverrideContainer getAttributeOverrideContainer() {
return this.attributeOverrideContainer;
}
protected JavaAttributeOverride getJavaAttributeOverrideNamed(String attributeName) {
if (getJavaEmbeddedMapping() != null) {
return getJavaEmbeddedMapping().getAttributeOverrideContainer().getAttributeOverrideNamed(attributeName);
}
return null;
}
public Embeddable getTargetEmbeddable() {
return this.targetEmbeddable;
}
protected Iterator<AttributeMapping> embeddableAttributeMappings() {
if (this.getTargetEmbeddable() == null) {
return EmptyIterator.instance();
}
return this.getTargetEmbeddable().attributeMappings();
}
@Override
public Iterator<String> allOverrideableAttributeMappingNames() {
return this.isJpa2_0Compatible() ?
this.embeddableOverrideableAttributeMappingNames() :
super.allOverrideableAttributeMappingNames();
}
protected Iterator<String> embeddableOverrideableAttributeMappingNames() {
return new TransformationIterator<String, String>(
new CompositeIterator<String>(
new TransformationIterator<AttributeMapping, Iterator<String>>(this.embeddableAttributeMappings()) {
@Override
protected Iterator<String> transform(AttributeMapping mapping) {
return mapping.allOverrideableAttributeMappingNames();
}
}
)
) {
@Override
protected String transform(String next) {
return getName() + '.' + next;
}
};
}
@Override
public Iterator<String> allOverrideableAssociationMappingNames() {
return this.isJpa2_0Compatible() ?
this.embeddableOverrideableAssociationMappingNames() :
super.allOverrideableAssociationMappingNames();
}
protected Iterator<String> embeddableOverrideableAssociationMappingNames() {
return new TransformationIterator<String, String>(
new CompositeIterator<String>(
new TransformationIterator<AttributeMapping, Iterator<String>>(this.embeddableAttributeMappings()) {
@Override
protected Iterator<String> transform(AttributeMapping mapping) {
return mapping.allOverrideableAssociationMappingNames();
}
}
)
) {
@Override
protected String transform(String next) {
return getName() + '.' + next;
}
};
}
@Override
public Column resolveOverriddenColumn(String attributeName) {
if (getName() == null) {
return null;
}
if (this.isJpa2_0Compatible()) {
int dotIndex = attributeName.indexOf('.');
if (dotIndex != -1) {
if (getName().equals(attributeName.substring(0, dotIndex))) {
attributeName = attributeName.substring(dotIndex + 1);
AttributeOverride override = getAttributeOverrideContainer().getAttributeOverrideNamed(attributeName);
if (override != null && !override.isVirtual()) {
return override.getColumn();
}
if (this.getTargetEmbeddable() == null) {
return null;
}
return this.getTargetEmbeddable().resolveOverriddenColumn(attributeName);
}
}
}
return null;
}
public JavaBaseEmbeddedMapping getJavaEmbeddedMapping() {
JavaPersistentAttribute jpa = this.getJavaPersistentAttribute();
if ((jpa != null) && this.valuesAreEqual(jpa.getMappingKey(), this.getKey())) {
return (JavaBaseEmbeddedMapping) jpa.getMapping();
}
return null;
}
@Override
public void update() {
super.update();
this.targetEmbeddable = embeddableFor(this.getJavaPersistentAttribute());
getAttributeOverrideContainer().update();
}
//************ static methods ************
public static Embeddable embeddableFor(JavaPersistentAttribute javaPersistentAttribute) {
return (javaPersistentAttribute == null) ? null : javaPersistentAttribute.getEmbeddable();
}
//********** AttributeOverrideContainer.Owner implementation *********
class AttributeOverrideContainerOwner implements OrmAttributeOverrideContainer.Owner {
public TypeMapping getOverridableTypeMapping() {
return AbstractOrmBaseEmbeddedMapping.this.getTargetEmbeddable();
}
public OrmTypeMapping getTypeMapping() {
return AbstractOrmBaseEmbeddedMapping.this.getTypeMapping();
}
public Column resolveOverriddenColumn(String attributeOverrideName) {
if (getPersistentAttribute().isVirtual() && !getTypeMapping().isMetadataComplete()) {
JavaAttributeOverride javaAttributeOverride = getJavaAttributeOverrideNamed(attributeOverrideName);
if (javaAttributeOverride != null && !javaAttributeOverride.isVirtual()) {
return javaAttributeOverride.getColumn();
}
}
TypeMapping overridableTypeMapping = getOverridableTypeMapping();
Column column = null;
if (overridableTypeMapping != null) {
for (TypeMapping typeMapping : CollectionTools.iterable(overridableTypeMapping.inheritanceHierarchy())) {
column = typeMapping.resolveOverriddenColumn(attributeOverrideName);
if (column != null) {
return column;
}
}
}
return column;
}
public XmlColumn buildVirtualXmlColumn(Column overridableColumn, String attributeName, boolean isMetadataComplete) {
return new VirtualXmlAttributeOverrideColumn(overridableColumn);
}
public boolean tableNameIsInvalid(String tableName) {
return getTypeMapping().tableNameIsInvalid(tableName);
}
public Iterator<String> candidateTableNames() {
return getTypeMapping().associatedTableNamesIncludingInherited();
}
public org.eclipse.jpt.db.Table getDbTable(String tableName) {
return getTypeMapping().getDbTable(tableName);
}
public String getDefaultTableName() {
return getTypeMapping().getPrimaryTableName();
}
}
}
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