diff options
Diffstat (limited to 'plugins/facet/org.eclipse.papyrus.emf.facet.efacet.core/src/org/eclipse/emf/facet/efacet/core/internal/query/DerivedTypedElementImplementationFactoryRegistry.java')
| -rw-r--r-- | plugins/facet/org.eclipse.papyrus.emf.facet.efacet.core/src/org/eclipse/emf/facet/efacet/core/internal/query/DerivedTypedElementImplementationFactoryRegistry.java | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/plugins/facet/org.eclipse.papyrus.emf.facet.efacet.core/src/org/eclipse/emf/facet/efacet/core/internal/query/DerivedTypedElementImplementationFactoryRegistry.java b/plugins/facet/org.eclipse.papyrus.emf.facet.efacet.core/src/org/eclipse/emf/facet/efacet/core/internal/query/DerivedTypedElementImplementationFactoryRegistry.java new file mode 100644 index 00000000000..7abf20adf20 --- /dev/null +++ b/plugins/facet/org.eclipse.papyrus.emf.facet.efacet.core/src/org/eclipse/emf/facet/efacet/core/internal/query/DerivedTypedElementImplementationFactoryRegistry.java @@ -0,0 +1,121 @@ +/**
+ * Copyright (c) 2011 Mia-Software.
+ *
+ * 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:
+ * Nicolas Guyomar (Mia-Software) - Bug 333553 - The user has not to deal with two files to create a facet
+ * Emmanuelle Rouillé (Mia-Software) - Bug 352618 - To be able to use non derived facet structural features and save them values.
+ * Nicolas Bros (Mia-Software) - Bug 361612 - New core for new version of the Facet metamodel
+ * Gregoire Dupe (Mia-Software) - Bug 362087 - [Deprecated] org.eclipse.emf.facet.util.emf.core.ICatalogSetManager
+ * Nicolas Bros (Mia-Software) - Bug 362191 - [Restructuring] Query mechanism for eFacet2
+ * Gregoire Dupe (Mia-Software) - Bug 369987 - [Restructuring][Table] Switch to the new customization and facet framework
+ */
+package org.eclipse.emf.facet.efacet.core.internal.query;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IExtension;
+import org.eclipse.core.runtime.IExtensionPoint;
+import org.eclipse.core.runtime.IExtensionRegistry;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.facet.efacet.core.IDerivedTypedElementManager;
+import org.eclipse.emf.facet.efacet.core.exception.DerivedTypedElementException;
+import org.eclipse.emf.facet.efacet.core.internal.Activator;
+import org.eclipse.emf.facet.efacet.core.query.IDerivedTypedElementImplementation;
+import org.eclipse.emf.facet.efacet.core.query.IDerivedTypedElementImplementationFactory;
+import org.eclipse.emf.facet.efacet.metamodel.v0_2_0.efacet.extensible.Query;
+import org.eclipse.emf.facet.util.core.Logger;
+import org.eclipse.emf.facet.util.emf.core.ICatalogSetManagerFactory;
+import org.osgi.framework.Bundle;
+
+/** @deprecated replaced by {@link QueryImplementationFactoryRegistry}. No tracking bug because this API has not been released yet. */
+@Deprecated
+public class DerivedTypedElementImplementationFactoryRegistry {
+ private static final String DERIVED_TYPED_ELEMENT_IMPLEMENTATION_REGISTRATION_ID = "org.eclipse.emf.facet.efacet.core.derivedTypedElementImplementationRegistration"; //$NON-NLS-1$
+ private static final String CLASS = "class"; //$NON-NLS-1$
+ public static final DerivedTypedElementImplementationFactoryRegistry INSTANCE = new DerivedTypedElementImplementationFactoryRegistry();
+
+ private final List<IDerivedTypedElementImplementationFactory> derivedTypedElementImplementationFactories = new ArrayList<IDerivedTypedElementImplementationFactory>();
+
+ public DerivedTypedElementImplementationFactoryRegistry() {
+ initRegisteredEntries();
+ }
+
+ private void initRegisteredEntries() {
+ IExtensionRegistry registry = Platform.getExtensionRegistry();
+ IExtensionPoint extPoint = registry
+ .getExtensionPoint(DerivedTypedElementImplementationFactoryRegistry.DERIVED_TYPED_ELEMENT_IMPLEMENTATION_REGISTRATION_ID);
+ if (extPoint != null) {
+ for (IExtension ext : extPoint.getExtensions()) {
+ for (IConfigurationElement configElt : ext.getConfigurationElements()) {
+
+ IDerivedTypedElementImplementationFactory derivedTypedElementImplementationFactory;
+ try {
+ derivedTypedElementImplementationFactory = (IDerivedTypedElementImplementationFactory) configElt
+ .createExecutableExtension(DerivedTypedElementImplementationFactoryRegistry.CLASS);
+ this.derivedTypedElementImplementationFactories.add(derivedTypedElementImplementationFactory);
+ } catch (CoreException e) {
+ Logger.logError(e, Activator.getDefault());
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Returns the derived typed element evaluator that handles the given type of query
+ *
+ * @param query
+ * the type of query for which an {@link IDerivedTypedElementImplementation} is searched
+ * @param derivedTEManager
+ * @return the {@link IDerivedTypedElementImplementation}
+ * @throws DerivedTypedElementException
+ * if no factory implementation was registered for the type of the given query
+ */
+ public IDerivedTypedElementImplementation getEvaluatorFor(final Query query, final IDerivedTypedElementManager derivedTEManager)
+ throws DerivedTypedElementException {
+ if (query == null) {
+ throw new IllegalArgumentException("query cannot be null"); //$NON-NLS-1$
+ }
+ IDerivedTypedElementImplementation derivedTypedElementImplementation = null;
+ boolean factoryFound = false;
+ for (IDerivedTypedElementImplementationFactory derivedTypedElementImplementationFactory : this.derivedTypedElementImplementationFactories) {
+ factoryFound = derivedTypedElementImplementationFactory.getManagedQueryType() == query.eClass();
+ if (factoryFound) {
+ Resource queryResource = query.eResource();
+ Bundle bundle;
+ if (queryResource != null) {
+ bundle = ICatalogSetManagerFactory.DEFAULT.createICatalogSetManager(query.eResource().getResourceSet()).getBundleByResource(queryResource);
+ } else {
+ bundle = null;
+ }
+ derivedTypedElementImplementation = derivedTypedElementImplementationFactory.create(query, bundle, derivedTEManager);
+ break;
+ }
+ }
+ if (!factoryFound) {
+ StringBuffer sb = new StringBuffer();
+ sb.append("No factory implementation found for "); //$NON-NLS-1$
+ sb.append(QueryUtils.getQueryDescription(query));
+ sb.append(".\nA factory should be registered through the " + DerivedTypedElementImplementationFactoryRegistry.DERIVED_TYPED_ELEMENT_IMPLEMENTATION_REGISTRATION_ID + " extension point."); //$NON-NLS-1$ //$NON-NLS-2$
+ sb.append("\nAvailable Query types are: "); //$NON-NLS-1$
+ for (int i = 0; i < this.derivedTypedElementImplementationFactories.size(); i++) {
+ if (i > 0) {
+ sb.append(", "); //$NON-NLS-1$
+ }
+ IDerivedTypedElementImplementationFactory queryEvaluatorFactory = this.derivedTypedElementImplementationFactories.get(i);
+ sb.append(queryEvaluatorFactory.getManagedQueryType().getName());
+ }
+ throw new DerivedTypedElementException(sb.toString());
+ }
+ return derivedTypedElementImplementation;
+ }
+}
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