Skip to main content
aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.jpa.ui/src/org/eclipse/jpt/jpa/ui/internal/ProjectAdapterFactory.java')
-rw-r--r--jpa/plugins/org.eclipse.jpt.jpa.ui/src/org/eclipse/jpt/jpa/ui/internal/ProjectAdapterFactory.java197
1 files changed, 197 insertions, 0 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.jpa.ui/src/org/eclipse/jpt/jpa/ui/internal/ProjectAdapterFactory.java b/jpa/plugins/org.eclipse.jpt.jpa.ui/src/org/eclipse/jpt/jpa/ui/internal/ProjectAdapterFactory.java
new file mode 100644
index 0000000000..89b4bb4bc9
--- /dev/null
+++ b/jpa/plugins/org.eclipse.jpt.jpa.ui/src/org/eclipse/jpt/jpa/ui/internal/ProjectAdapterFactory.java
@@ -0,0 +1,197 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2012 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.ui.internal;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IWorkspace;
+import org.eclipse.core.runtime.IAdapterFactory;
+import org.eclipse.jpt.common.utility.internal.AbstractTransformer;
+import org.eclipse.jpt.common.utility.internal.SimpleFilter;
+import org.eclipse.jpt.common.utility.internal.model.value.CollectionAspectAdapter;
+import org.eclipse.jpt.common.utility.internal.model.value.ElementPropertyValueModelAdapter;
+import org.eclipse.jpt.common.utility.internal.model.value.TransformationPropertyValueModel;
+import org.eclipse.jpt.common.utility.model.value.CollectionValueModel;
+import org.eclipse.jpt.jpa.core.JpaProject;
+import org.eclipse.jpt.jpa.core.JpaProjectManager;
+import org.eclipse.jpt.jpa.core.context.JpaRootContextNode;
+import org.eclipse.jpt.jpa.ui.JpaProjectModel;
+import org.eclipse.jpt.jpa.ui.JpaRootContextNodeModel;
+
+/**
+ * Factory to build Dali adapters for an {@link IProject}:<ul>
+ * <li>{@link org.eclipse.jpt.jpa.ui.JpaProjectModel JpaProjectModel} -
+ * This adapter will only return a JPA project if it is immediately
+ * available; but it will also notify listeners if the JPA project is
+ * ever created.
+ * This adapter should be used by any process that can temporarily ignore
+ * any uncreated JPA projects but should be notified if the JPA project
+ * <em>is</em> ever created (e.g. UI views).
+ * <li>{@link org.eclipse.jpt.jpa.ui.JpaRootContextNodeModel JpaRootContextNodeModel} -
+ * This adapter is much like the {@link org.eclipse.jpt.jpa.ui.JpaProjectModel JpaProjectModel}
+ * adapter described above.
+ * </ul>
+ * See <code>org.eclipse.jpt.jpa.ui/plugin.xml</code>.
+ */
+public class ProjectAdapterFactory
+ implements IAdapterFactory
+{
+ private static final Class<?>[] ADAPTER_LIST = new Class[] {
+ JpaProjectModel.class,
+ JpaRootContextNodeModel.class,
+ };
+
+ public Class<?>[] getAdapterList() {
+ return ADAPTER_LIST;
+ }
+
+ public Object getAdapter(Object adaptableObject, @SuppressWarnings("rawtypes") Class adapterType) {
+ if (adaptableObject instanceof IProject) {
+ return this.getAdapter((IProject) adaptableObject, adapterType);
+ }
+ return null;
+ }
+
+ private Object getAdapter(IProject project, Class<?> adapterType) {
+ if (adapterType == JpaProjectModel.class) {
+ return this.getJpaProjectModel(project);
+ }
+ if (adapterType == JpaRootContextNodeModel.class) {
+ return this.getJpaRootContextNodeModel(project);
+ }
+ return null;
+ }
+
+ private JpaProjectModel getJpaProjectModel(IProject project) {
+ return new JpaProjectModelAdapter(this.getJpaProjectsModel(project.getWorkspace()), project);
+ }
+
+ private CollectionValueModel<JpaProject> getJpaProjectsModel(IWorkspace workspace) {
+ return new JpaProjectsModel(this.getJpaProjectManager(workspace));
+ }
+
+ private JpaProjectManager getJpaProjectManager(IWorkspace workspace) {
+ return (JpaProjectManager) workspace.getAdapter(JpaProjectManager.class);
+ }
+
+ private JpaRootContextNodeModel getJpaRootContextNodeModel(IProject project) {
+ return new JpaRootContextNodeModelAdapter(this.getJpaProjectModel(project));
+ }
+
+
+ // ********** JPA projects model **********
+
+ /**
+ * Adapt the JPA project manager's JPA projects list to the collection value
+ * model interface.
+ */
+ /* CU private */ static class JpaProjectsModel
+ extends CollectionAspectAdapter<JpaProjectManager, JpaProject>
+ {
+ JpaProjectsModel(JpaProjectManager jpaProjectManager) {
+ super(JpaProjectManager.JPA_PROJECTS_COLLECTION, jpaProjectManager);
+ }
+
+ @Override
+ protected Iterable<JpaProject> getIterable() {
+ return this.subject.getJpaProjects();
+ }
+
+ @Override
+ protected int size_() {
+ return this.subject.getJpaProjectsSize();
+ }
+ }
+
+
+ // ********** JPA project model **********
+
+ /**
+ * Implement a property value model for the JPA project corresponding to a
+ * {@link IProject project}. The model will fire change events when the
+ * corresponding JPA project is added or removed from the JPA project
+ * manager. This is useful for UI code that does not want to wait to
+ * retrieve a JPA project but wants to be notified when it is available.
+ * <p>
+ * Subclass {@link ElementPropertyValueModelAdapter} so we can
+ * implement {@link org.eclipse.jpt.jpa.ui.JpaProjectModel}.
+ * <p>
+ * <strong>NB:</strong> This model operates outside of all the other
+ * activity synchronized by the JPA project manager; but that should be OK
+ * since it will be kept synchronized with the JPA manager's collection of
+ * JPA projects in the end.
+ */
+ /* CU private */ static class JpaProjectModelAdapter
+ extends ElementPropertyValueModelAdapter<JpaProject>
+ implements JpaProjectModel
+ {
+ JpaProjectModelAdapter(CollectionValueModel<JpaProject> jpaProjectsModel, IProject project) {
+ super(jpaProjectsModel, new Predicate(project));
+ }
+
+ public IProject getProject() {
+ return ((Predicate) this.predicate).getCriterion();
+ }
+
+ /* class private */ static class Predicate
+ extends SimpleFilter<JpaProject, IProject>
+ {
+ Predicate(IProject project) {
+ super(project);
+ }
+ @Override
+ public boolean accept(JpaProject jpaProject) {
+ return jpaProject.getProject().equals(this.criterion);
+ }
+ }
+ }
+
+
+ // ********** JPA root context node model **********
+
+ /**
+ * Implement a property value model for the JPA root context node
+ * corresponding to a {@link JpaProject JPA project}. The model will fire
+ * change events when the corresponding JPA project is added or removed
+ * from the JPA project manager. This is useful for UI code that does not
+ * want to wait to retrieve a JPA root context node but wants to be notified
+ * when it is available.
+ * <p>
+ * Subclass {@link TransformationPropertyValueModel} so we can
+ * implement {@link org.eclipse.jpt.jpa.ui.JpaRootContextNodeModel}.
+ * <p>
+ * <strong>NB:</strong> This model operates outside of all the other
+ * activity synchronized by the JPA project manager; but that should be OK
+ * since it will be kept synchronized with the JPA manager's collection of
+ * JPA projects in the end.
+ */
+ /* CU private */ static class JpaRootContextNodeModelAdapter
+ extends TransformationPropertyValueModel<JpaProject, JpaRootContextNode>
+ implements JpaRootContextNodeModel
+ {
+ JpaRootContextNodeModelAdapter(JpaProjectModel jpaProjectsModel) {
+ super(jpaProjectsModel, TRANSFORMER);
+ }
+
+ public IProject getProject() {
+ return ((JpaProjectModel) this.valueModel).getProject();
+ }
+
+ private static final Transformer TRANSFORMER = new Transformer();
+
+ /* class private */ static class Transformer
+ extends AbstractTransformer<JpaProject, JpaRootContextNode>
+ {
+ @Override
+ protected JpaRootContextNode transform_(JpaProject jpaProject) {
+ return jpaProject.getRootContextNode();
+ }
+ }
+ }
+}

Back to the top