| /******************************************************************************* |
| * 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.java; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| 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.internal.context.java.AbstractJavaJpaContextNode; |
| import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages; |
| import org.eclipse.jpt.core.internal.validation.JpaValidationMessages; |
| import org.eclipse.jpt.core.jpa2.context.java.JavaDerivedIdentity2_0; |
| import org.eclipse.jpt.core.jpa2.context.java.JavaMapsIdDerivedIdentityStrategy2_0; |
| import org.eclipse.jpt.core.jpa2.context.java.JavaSingleRelationshipMapping2_0; |
| import org.eclipse.jpt.core.jpa2.resource.java.JPA2_0; |
| import org.eclipse.jpt.core.jpa2.resource.java.MapsId2_0Annotation; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePersistentAttribute; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.jpt.utility.Filter; |
| import org.eclipse.jpt.utility.internal.CollectionTools; |
| import org.eclipse.jpt.utility.internal.StringTools; |
| 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.jpt.utility.internal.iterators.FilteringIterator; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| import org.eclipse.wst.validation.internal.provisional.core.IReporter; |
| |
| public class GenericJavaMapsIdDerivedIdentityStrategy2_0 |
| extends AbstractJavaJpaContextNode |
| implements JavaMapsIdDerivedIdentityStrategy2_0 |
| { |
| protected String specifiedValue; |
| |
| protected String defaultValue; |
| |
| |
| public GenericJavaMapsIdDerivedIdentityStrategy2_0(JavaDerivedIdentity2_0 parent) { |
| super(parent); |
| } |
| |
| |
| public JavaDerivedIdentity2_0 getDerivedIdentity() { |
| return (JavaDerivedIdentity2_0) super.getParent(); |
| } |
| |
| public JavaSingleRelationshipMapping2_0 getMapping() { |
| return getDerivedIdentity().getMapping(); |
| } |
| |
| protected JavaResourcePersistentAttribute getResourceAttribute() { |
| return getMapping().getPersistentAttribute().getResourcePersistentAttribute(); |
| } |
| |
| protected MapsId2_0Annotation getAnnotation() { |
| return (MapsId2_0Annotation) getResourceAttribute().getNonNullAnnotation(JPA2_0.MAPS_ID); |
| } |
| |
| protected MapsId2_0Annotation getAnnotationOrNull() { |
| return (MapsId2_0Annotation) getResourceAttribute().getAnnotation(JPA2_0.MAPS_ID); |
| } |
| |
| protected String getResourceValue() { |
| return getAnnotation().getValue(); |
| } |
| |
| protected String calculateDefaultValue() { |
| Iterable<AttributeMapping> validAttributeMappings = |
| 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); |
| } |
| }; |
| if (CollectionTools.size(validAttributeMappings) == 1) { |
| return validAttributeMappings.iterator().next().getName(); |
| } |
| return null; |
| } |
| |
| protected void addAnnotation() { |
| getResourceAttribute().addAnnotation(JPA2_0.MAPS_ID); |
| } |
| |
| protected void removeAnnotation() { |
| getResourceAttribute().removeAnnotation(JPA2_0.MAPS_ID); |
| } |
| |
| public String getSpecifiedValue() { |
| return this.specifiedValue; |
| } |
| |
| public void setSpecifiedValue(String newValue) { |
| if (StringTools.stringsAreEqual(this.specifiedValue, newValue)) { |
| return; |
| } |
| String oldValue = this.specifiedValue; |
| this.specifiedValue = newValue; |
| getAnnotation().setValue(newValue); |
| firePropertyChanged(SPECIFIED_VALUE_PROPERTY, oldValue, newValue); |
| } |
| |
| protected void setSpecifiedValue_(String newValue) { |
| String oldValue = this.specifiedValue; |
| this.specifiedValue = newValue; |
| firePropertyChanged(SPECIFIED_VALUE_PROPERTY, oldValue, newValue); |
| } |
| |
| public boolean usesDefaultValue() { |
| return true; |
| } |
| |
| public String getDefaultValue() { |
| return this.defaultValue; |
| } |
| |
| protected void setDefaultValue_(String newValue) { |
| if (StringTools.stringsAreEqual(this.defaultValue, newValue)) { |
| return; |
| } |
| String oldValue = this.defaultValue; |
| this.defaultValue = newValue; |
| firePropertyChanged(SPECIFIED_VALUE_PROPERTY, oldValue, newValue); |
| } |
| |
| public String getValue() { |
| return (this.specifiedValue != null) ? this.specifiedValue : this.defaultValue; |
| } |
| |
| 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); |
| } |
| return new SingleElementIterable<AttributeMapping>(o); |
| } |
| }; |
| } |
| |
| protected Iterable<AttributeMapping> getEmbeddedIdMappingChoiceIterable(EmbeddedIdMapping mapping) { |
| Embeddable embeddable = mapping.getTargetEmbeddable(); |
| if (embeddable == null) { |
| return new SingleElementIterable<AttributeMapping>(mapping); |
| } |
| return new CompositeIterable<AttributeMapping>( |
| mapping, |
| CollectionTools.collection(embeddable.allAttributeMappings())); |
| } |
| |
| public AttributeMapping getResolvedAttributeMappingValue() { |
| if (getValue() != null) { |
| for (AttributeMapping each : getAllAttributeMappingChoices()) { |
| if (each.getName().equals(getValue())) { |
| return each; |
| } |
| } |
| } |
| return null; |
| } |
| |
| public boolean isSpecified() { |
| return getAnnotationOrNull() != null; |
| } |
| |
| public void addStrategy() { |
| if (getAnnotationOrNull() == null) { |
| addAnnotation(); |
| } |
| } |
| |
| public void removeStrategy() { |
| if (getAnnotationOrNull() != null) { |
| removeAnnotation(); |
| } |
| } |
| |
| public void initialize() { |
| this.specifiedValue = getResourceValue(); |
| this.defaultValue = calculateDefaultValue(); |
| } |
| |
| public void update() { |
| this.setSpecifiedValue_(getResourceValue()); |
| this.setDefaultValue_(calculateDefaultValue()); |
| } |
| |
| @Override |
| public Iterator<String> javaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) { |
| Iterator<String> result = super.javaCompletionProposals(pos, filter, astRoot); |
| if (result != null) { |
| return result; |
| } |
| if (getAnnotation().valueTouches(pos, astRoot)) { |
| result = sortedJavaValueChoices(filter); |
| } |
| return result; |
| } |
| |
| protected Iterator<String> sortedJavaValueChoices(Filter<String> filter) { |
| return StringTools.convertToJavaStringLiterals( |
| new FilteringIterator<String>(getSortedValueChoices(), filter)); |
| } |
| |
| public TextRange getValidationTextRange(CompilationUnit astRoot) { |
| return this.getAnnotation().getTextRange(astRoot); |
| } |
| |
| @Override |
| public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) { |
| super.validate(messages, reporter, astRoot); |
| validateMapsId(messages, reporter, astRoot); |
| } |
| |
| protected void validateMapsId(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) { |
| // 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) { |
| // if value is not specified, use that message |
| if (getSpecifiedValue() == null) { |
| messages.add(buildMessage(JpaValidationMessages.MAPS_ID_VALUE_NOT_SPECIFIED, null, astRoot)); |
| } |
| else { |
| messages.add(buildMessage(JpaValidationMessages.MAPS_ID_VALUE_NOT_RESOLVED, new String[] {getValue()}, astRoot)); |
| } |
| } |
| |
| // 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()}, astRoot)); |
| } |
| } |
| } |
| |
| 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, CompilationUnit astRoot) { |
| return DefaultJpaValidationMessages.buildMessage( |
| IMessage.HIGH_SEVERITY, |
| msgID, |
| params, |
| this, |
| this.getValidationTextRange(astRoot)); |
| } |
| } |