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/*******************************************************************************
* Copyright (c) 2009, 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.jpa2.context.orm;
import java.util.List;
import org.eclipse.jpt.core.MappingKeys;
import org.eclipse.jpt.core.context.AttributeMapping;
import org.eclipse.jpt.core.context.Embeddable;
import org.eclipse.jpt.core.context.EmbeddedIdMapping;
import org.eclipse.jpt.core.context.PersistentAttribute;
import org.eclipse.jpt.core.internal.context.orm.AbstractOrmXmlContextNode;
import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages;
import org.eclipse.jpt.core.internal.validation.JpaValidationDescriptionMessages;
import org.eclipse.jpt.core.internal.validation.JpaValidationMessages;
import org.eclipse.jpt.core.jpa2.context.orm.OrmDerivedIdentity2_0;
import org.eclipse.jpt.core.jpa2.context.orm.OrmMapsIdDerivedIdentityStrategy2_0;
import org.eclipse.jpt.core.jpa2.context.orm.OrmSingleRelationshipMapping2_0;
import org.eclipse.jpt.core.resource.orm.v2_0.XmlMapsId_2_0;
import org.eclipse.jpt.core.utility.TextRange;
import org.eclipse.jpt.utility.internal.ArrayTools;
import org.eclipse.jpt.utility.internal.CollectionTools;
import org.eclipse.jpt.utility.internal.StringTools;
import org.eclipse.jpt.utility.internal.Tools;
import org.eclipse.jpt.utility.internal.iterables.CompositeIterable;
import org.eclipse.jpt.utility.internal.iterables.FilteringIterable;
import org.eclipse.jpt.utility.internal.iterables.SingleElementIterable;
import org.eclipse.jpt.utility.internal.iterables.TransformationIterable;
import org.eclipse.osgi.util.NLS;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public class GenericOrmMapsIdDerivedIdentityStrategy2_0
extends AbstractOrmXmlContextNode
implements OrmMapsIdDerivedIdentityStrategy2_0
{
protected XmlMapsId_2_0 resource;
protected String value;
public GenericOrmMapsIdDerivedIdentityStrategy2_0(
OrmDerivedIdentity2_0 parent, XmlMapsId_2_0 resource) {
super(parent);
this.resource = resource;
this.value = this.resource.getMapsId();
}
public OrmDerivedIdentity2_0 getDerivedIdentity() {
return (OrmDerivedIdentity2_0) getParent();
}
public OrmSingleRelationshipMapping2_0 getMapping() {
return getDerivedIdentity().getMapping();
}
public String getSpecifiedValue() {
return this.value;
}
public void setSpecifiedValue(String newValue) {
String oldValue = this.value;
this.value = newValue;
this.resource.setMapsId(this.value);
firePropertyChanged(SPECIFIED_VALUE_PROPERTY, oldValue, newValue);
}
protected void setSpecifiedValue_(String newValue) {
String oldValue = this.value;
this.value = newValue;
firePropertyChanged(SPECIFIED_VALUE_PROPERTY, oldValue, newValue);
}
public boolean usesDefaultValue() {
return false;
}
public String getDefaultValue() {
// there is no way to have default values in xml
return null;
}
public String getValue() {
// there is never a default value
return this.value;
}
public Iterable<String> getSortedValueChoices() {
return CollectionTools.sort(
new TransformationIterable<AttributeMapping, String>(getAllAttributeMappingChoices()) {
@Override
protected String transform(AttributeMapping o) {
return o.getName();
}
});
}
public Iterable<AttributeMapping> getAllAttributeMappingChoices() {
return new CompositeIterable<AttributeMapping>(
getAttributeMappingChoiceIterables(
CollectionTools.collection(getMapping().getPersistentAttribute().getOwningTypeMapping().allAttributeMappings())));
}
protected Iterable<Iterable<AttributeMapping>> getAttributeMappingChoiceIterables(Iterable<AttributeMapping> availableMappings) {
return new TransformationIterable<AttributeMapping, Iterable<AttributeMapping>>(availableMappings) {
@Override
protected Iterable<AttributeMapping> transform(AttributeMapping o) {
if (StringTools.stringsAreEqual(o.getKey(), MappingKeys.EMBEDDED_ID_ATTRIBUTE_MAPPING_KEY)) {
return getEmbeddedIdMappingChoiceIterable((EmbeddedIdMapping) o);
}
else {
return new SingleElementIterable(o);
}
}
};
}
protected Iterable<AttributeMapping> getEmbeddedIdMappingChoiceIterable(EmbeddedIdMapping mapping) {
Embeddable embeddable = mapping.getTargetEmbeddable();
if (embeddable == null) {
return new SingleElementIterable(mapping);
}
else {
return new CompositeIterable<AttributeMapping>(
mapping,
CollectionTools.collection(embeddable.allAttributeMappings()));
}
}
public AttributeMapping getResolvedAttributeMappingValue() {
if (getValue() != null) {
for (AttributeMapping each : getAllAttributeMappingChoices()) {
if (Tools.valuesAreEqual(each.getName(), getValue())) {
return each;
}
}
}
return null;
}
public boolean isSpecified() {
return this.resource.getMapsId() != null;
}
public void addStrategy() {
this.resource.setMapsId("");
}
public void removeStrategy() {
this.resource.setMapsId(null);
}
public void update() {
setSpecifiedValue_(this.resource.getMapsId());
}
public void initializeFrom(OrmMapsIdDerivedIdentityStrategy2_0 oldStrategy) {
setSpecifiedValue(oldStrategy.getSpecifiedValue());
}
public TextRange getValidationTextRange() {
TextRange textRange = this.resource.getMapsIdTextRange();
return (textRange == null) ? getDerivedIdentity().getValidationTextRange() : textRange;
}
@Override
public void validate(List<IMessage> messages, IReporter reporter) {
super.validate(messages, reporter);
validateMapsId(messages, reporter);
}
protected void validateMapsId(List<IMessage> messages, IReporter reporter) {
// shortcut out if maps id is not even used
if (! getDerivedIdentity().usesMapsIdDerivedIdentityStrategy()) {
return;
}
// test whether value can be resolved
AttributeMapping attributeMappingValue = getResolvedAttributeMappingValue();
if (attributeMappingValue == null) {
// there is no defaulting, so only use the 'resolved' error, even if the value is empty string
messages.add(buildMessage(JpaValidationMessages.MAPS_ID_VALUE_NOT_RESOLVED, new String[] {getValue()}));
}
// test whether attribute mapping is allowable
if (attributeMappingValue != null) {
if (! CollectionTools.contains(getValidAttributeMappingChoices(), attributeMappingValue)) {
messages.add(buildMessage(JpaValidationMessages.MAPS_ID_VALUE_INVALID, new String[] {getValue()}));
}
}
}
protected Iterable<AttributeMapping> getValidAttributeMappingChoices() {
return new CompositeIterable<AttributeMapping>(
getAttributeMappingChoiceIterables(
new FilteringIterable<AttributeMapping>(
CollectionTools.collection(getMapping().getPersistentAttribute().getOwningTypeMapping().allAttributeMappings())) {
@Override
protected boolean accept(AttributeMapping o) {
return StringTools.stringsAreEqual(o.getKey(), MappingKeys.ID_ATTRIBUTE_MAPPING_KEY)
|| StringTools.stringsAreEqual(o.getKey(), MappingKeys.EMBEDDED_ID_ATTRIBUTE_MAPPING_KEY);
}
}));
}
protected IMessage buildMessage(String msgID, String[] params) {
String attributeDescString;
PersistentAttribute attribute = getDerivedIdentity().getMapping().getPersistentAttribute();
if (attribute.isVirtual()) {
attributeDescString = NLS.bind(JpaValidationDescriptionMessages.VIRTUAL_ATTRIBUTE_DESC, attribute.getName());
}
else {
attributeDescString = NLS.bind(JpaValidationDescriptionMessages.ATTRIBUTE_DESC, attribute.getName());
}
return DefaultJpaValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY, msgID, ArrayTools.add(params, 0, attributeDescString), this, getValidationTextRange());
}
}
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