Skip to main content
summaryrefslogtreecommitdiffstats
blob: ba97f1e1ba9bc11e4688647c724e3143d1e1069b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
/*******************************************************************************
 * Copyright (c) 2007, 2009 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.jpa1.context.java;

import java.util.Iterator;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.core.JptCorePlugin;
import org.eclipse.jpt.core.MappingKeys;
import org.eclipse.jpt.core.context.AssociationOverride;
import org.eclipse.jpt.core.context.AssociationOverrideContainer;
import org.eclipse.jpt.core.context.AttributeMapping;
import org.eclipse.jpt.core.context.RelationshipReference;
import org.eclipse.jpt.core.context.TypeMapping;
import org.eclipse.jpt.core.context.java.JavaAssociationOverrideContainer;
import org.eclipse.jpt.core.context.java.JavaPersistentAttribute;
import org.eclipse.jpt.core.internal.context.java.AbstractJavaBaseEmbeddedMapping;
import org.eclipse.jpt.core.jpa2.JpaFactory2_0;
import org.eclipse.jpt.core.jpa2.context.java.JavaEmbeddedMapping2_0;
import org.eclipse.jpt.core.resource.java.EmbeddedAnnotation;
import org.eclipse.jpt.core.resource.java.JPA;
import org.eclipse.jpt.utility.Filter;
import org.eclipse.jpt.utility.internal.ArrayTools;
import org.eclipse.jpt.utility.internal.CollectionTools;
import org.eclipse.jpt.utility.internal.iterators.CompositeIterator;
import org.eclipse.jpt.utility.internal.iterators.TransformationIterator;


public class GenericJavaEmbeddedMapping
	extends AbstractJavaBaseEmbeddedMapping<EmbeddedAnnotation>
	implements JavaEmbeddedMapping2_0
{
	protected final JavaAssociationOverrideContainer associationOverrideContainer;

	public GenericJavaEmbeddedMapping(JavaPersistentAttribute parent) {
		super(parent);
		this.associationOverrideContainer = ((JpaFactory2_0) this.getJpaFactory()).buildJavaAssociationOverrideContainer(this, new AssociationOverrideContainerOwner());
	}
	
	@Override
	protected void initialize() {
		super.initialize();
		this.associationOverrideContainer.initialize(this.getResourcePersistentAttribute());
	}
	
	@Override
	protected void update() {
		super.update();
		this.associationOverrideContainer.update(this.getResourcePersistentAttribute());
	}

	@Override
	public void postUpdate() {
		super.postUpdate();
		this.associationOverrideContainer.postUpdate();
	}
	
	//****************** JavaAttributeMapping implementation *******************

	public String getKey() {
		return MappingKeys.EMBEDDED_ATTRIBUTE_MAPPING_KEY;
	}
	
	public String getAnnotationName() {
		return EmbeddedAnnotation.ANNOTATION_NAME;
	}
	
	//only putting this in EmbeddedMapping since relationship mappings
	//defined within an embedded id class are not supported by the 2.0 spec.
	@Override
	public Iterator<String> allMappingNames() {
		if (getJpaPlatformVersion().isCompatibleWithJpaVersion(JptCorePlugin.JPA_FACET_VERSION_2_0)) {
			return new CompositeIterator<String>(
				getName(),
				embeddableAttributeMappingNames()
			);
		}
		return super.allMappingNames();
	}
	
	protected Iterator<String> embeddableAttributeMappingNames() {
		return new TransformationIterator<String, String>(
			new CompositeIterator<String>(
				new TransformationIterator<AttributeMapping, Iterator<String>>(this.embeddableAttributeMappings()) {
					@Override
					protected Iterator<String> transform(AttributeMapping mapping) {
						return mapping.allMappingNames();
					}
				}
			)
		) {
			@Override
			protected String transform(String next) {
				return getName() + '.' + next;
			}
		};
	}

	@Override
	public AttributeMapping resolveAttributeMapping(String name) {
		AttributeMapping resolvedMapping = super.resolveAttributeMapping(name);
		if (resolvedMapping != null) {
			return resolvedMapping;
		}
		if (getJpaPlatformVersion().isCompatibleWithJpaVersion(JptCorePlugin.JPA_FACET_VERSION_2_0)) {
			int dotIndex = name.indexOf('.');
			if (dotIndex != -1) {
				if (getName().equals(name.substring(0, dotIndex))) {
					for (AttributeMapping attributeMapping : CollectionTools.iterable(embeddableAttributeMappings())) {
						resolvedMapping = attributeMapping.resolveAttributeMapping(name.substring(dotIndex + 1));
						if (resolvedMapping != null) {
							return resolvedMapping;
						}
					}
				}
			}
		}
		return null;
	}
	
	@Override
	public RelationshipReference resolveRelationshipReference(String attributeName) {
		if (getJpaPlatformVersion().isCompatibleWithJpaVersion(JptCorePlugin.JPA_FACET_VERSION_2_0)) {
			int dotIndex = attributeName.indexOf('.');
			if (dotIndex != -1) {
				if (getName().equals(attributeName.substring(0, dotIndex))) {
					attributeName = attributeName.substring(dotIndex + 1);
					AssociationOverride override = getAssociationOverrideContainer().getAssociationOverrideNamed(attributeName);
					if (override != null && !override.isVirtual()) {
						return override.getRelationshipReference();
					}
					if (this.getEmbeddable() == null) {
						return null;
					}
					return this.getEmbeddable().resolveRelationshipReference(attributeName);
				}
			}
		}
		return null;
	}
	
	//****************** AbstractJavaAttributeMapping implementation *******************
	@Override
	protected String[] buildSupportingAnnotationNames() {
		if (getJpaPlatformVersion().isCompatibleWithJpaVersion(JptCorePlugin.JPA_FACET_VERSION_2_0)) {
			return ArrayTools.addAll(
				super.buildSupportingAnnotationNames(),
				JPA.ASSOCIATION_OVERRIDE,
				JPA.ASSOCIATION_OVERRIDES);
			}
		return super.buildSupportingAnnotationNames();
	}
	
	
	//****************** association overrides - 2.0 supports this *******************

	public JavaAssociationOverrideContainer getAssociationOverrideContainer() {
		return this.associationOverrideContainer;
	}

	
	@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;
		}
		
		result = getAssociationOverrideContainer().javaCompletionProposals(pos, filter, astRoot);
		if (result != null) {
			return result;
		}
		return null;
	}
	
	// ********** association override container owner **********

	class AssociationOverrideContainerOwner implements AssociationOverrideContainer.Owner {
		
		public TypeMapping getOverridableTypeMapping() {
			return GenericJavaEmbeddedMapping.this.getOverridableTypeMapping();
		}
		
		public TypeMapping getTypeMapping() {
			return GenericJavaEmbeddedMapping.this.getTypeMapping();
		}

		public RelationshipReference resolveRelationshipReference(String associationOverrideName) {
			TypeMapping overridableTypeMapping = getOverridableTypeMapping();
			RelationshipReference relationshipReference = null;
			if (overridableTypeMapping != null) {
				for (TypeMapping typeMapping : CollectionTools.iterable(overridableTypeMapping.inheritanceHierarchy())) {
					relationshipReference = typeMapping.resolveRelationshipReference(associationOverrideName);
					if (relationshipReference != null) {
						return relationshipReference;
					}
				}
			}
			return relationshipReference;
		}
	}

}

Back to the top