plugins/org.eclipse.gmf.codegen/templates-dynmodel/Facility.xpt

/*
 * Copyright (c) 2008, 2010 Borland Software Corporation and others
 * 
 * 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:
 *    Artem Tikhomirov (Borland) - initial API and implementation
 */

«IMPORT 'http://www.eclipse.org/gmf/2009/GenModel'»
«IMPORT 'http://www.eclipse.org/emf/2002/GenModel'»

«EXTENSION Facility»

«DEFINE Main FOR gmfgen::DynamicModelAccess-»
package «packageName»;

public class «className» {

	«EXPAND field(self) FOREACH editorGen.getAllDomainGenPackages(false)-»

	«EXPAND xpt::Common::generatedMemberComment»
	private final org.eclipse.emf.ecore.EPackage ePackage;

	«EXPAND xpt::Common::generatedMemberComment»
	private «className»(org.eclipse.emf.ecore.EPackage ePackage) {
		this.ePackage = ePackage;
	}

	«EXPAND getMethod(self) FOREACH editorGen.getAllDomainGenPackages(false)-»

	«EXPAND getRegistryMethod»

	«EXPAND xpt::Common::generatedMemberComment»«REM»NOTE, when metaClassName is 'EObject', isSuperTypeOf is unlikely (see bug #255469) ever to return true (it lookes into metamodel, and unless obj's EClass has explicit EObject in its superclasses, the method simply returns false). But unless it's requested, I don't want to complicate this piece of code«ENDREM»
	public boolean isInstance(Object obj, String metaClassName) {
		org.eclipse.emf.ecore.EClass metaClass = getEClass(metaClassName);
		return obj instanceof org.eclipse.emf.ecore.EObject && metaClass.isSuperTypeOf(((org.eclipse.emf.ecore.EObject) obj).eClass());
	}

	«EXPAND xpt::Common::generatedMemberComment»
	public org.eclipse.emf.ecore.EObject newInstance(String metaClassName) {
		return this.ePackage.getEFactoryInstance().create(getEClass(metaClassName));
	}

	«EXPAND xpt::Common::generatedMemberComment»
	public org.eclipse.emf.ecore.EClass getEClass(String metaClassName) {
		«EXPAND xpt::Common::_assert('metaClassName != null')-»
		org.eclipse.emf.ecore.EClass metaClass = findMetaClass(metaClassName);
		assertMetaClass(metaClass, metaClassName);
		return metaClass;
	}

	«EXPAND xpt::Common::generatedMemberComment»
	public org.eclipse.emf.ecore.EStructuralFeature getEFeature(String metaClassName, String metaFeatureName) {
		«EXPAND xpt::Common::_assert('metaFeatureName != null')-»
		org.eclipse.emf.ecore.EClass metaClass = getEClass(metaClassName);
		org.eclipse.emf.ecore.EStructuralFeature f = metaClass.getEStructuralFeature(metaFeatureName);
		assertMetaFeature(f, metaClass, metaFeatureName);
		return f;
	}

	«EXPAND xpt::Common::generatedMemberComment»
	public org.eclipse.emf.ecore.EAttribute getEAttribute(String metaClassName, String metaFeatureName) {
		return (org.eclipse.emf.ecore.EAttribute) getEFeature(metaClassName, metaFeatureName);
	}

	«EXPAND xpt::Common::generatedMemberComment»
	public org.eclipse.emf.ecore.EReference getEReference(String metaClassName, String metaFeatureName) {
		return (org.eclipse.emf.ecore.EReference) getEFeature(metaClassName, metaFeatureName);
	}

	«EXPAND xpt::Common::generatedMemberComment»
	public org.eclipse.emf.ecore.EDataType getEDataType(String metaClassName) {
		«EXPAND xpt::Common::_assert('metaClassName != null')-»
		org.eclipse.emf.ecore.EClassifier c = this.ePackage.getEClassifier(metaClassName);
		if (false == c instanceof org.eclipse.emf.ecore.EDataType) {
			return null;
		}
		return (org.eclipse.emf.ecore.EDataType) c;
	}

	«EXPAND xpt::Common::generatedMemberComment»
	public org.eclipse.emf.ecore.EEnum getEEnum(String metaClassName) {
		«EXPAND xpt::Common::_assert('metaClassName != null')-»
		org.eclipse.emf.ecore.EClassifier c = this.ePackage.getEClassifier(metaClassName);
		if (false == c instanceof org.eclipse.emf.ecore.EEnum) {
			return null;
		}
		return (org.eclipse.emf.ecore.EEnum) c;
	}

	«EXPAND xpt::Common::generatedMemberComment»
	private org.eclipse.emf.ecore.EClass findMetaClass(String name) {
		org.eclipse.emf.ecore.EClassifier c = this.ePackage.getEClassifier(name);
		if (false == c instanceof org.eclipse.emf.ecore.EClass) {
			return null;
		}
		return (org.eclipse.emf.ecore.EClass) c;
	}

	«EXPAND xpt::Common::generatedMemberComment('Default implementation throws IllegalStateException if metaclass is null')»
	private void assertMetaClass(org.eclipse.emf.ecore.EClass metaClass, String metaClassName) {
		if (metaClass == null) {
			throw new IllegalStateException(java.text.MessageFormat.format("Can't find class {0} in the package {1}", new Object[] {metaClassName, this.ePackage.getName()}));
		}
	}

	«EXPAND xpt::Common::generatedMemberComment('Default implementation throws IllegalStateException if meta-feature is null')»
	private void assertMetaFeature(org.eclipse.emf.ecore.EStructuralFeature metaFeature, org.eclipse.emf.ecore.EClass metaClass, String featureName) {
		if (metaFeature == null) {
			throw new IllegalStateException(java.text.MessageFormat.format("Can't find feature {0} of class {1} in the package {2}", new Object[] {featureName, metaClass.getName(), this.ePackage.getName()}));
		}
	}

	«EXPAND initMethod FOREACH editorGen.getAllDomainGenPackages(false)-»
«EXPAND additions-»
}
«ENDDEFINE»

«DEFINE additions FOR gmfgen::DynamicModelAccess»«ENDDEFINE»

«DEFINE field(dma : gmfgen::DynamicModelAccess) FOR genmodel::GenPackage-»
«EXPAND xpt::Common::generatedMemberComment»
private static «dma.className» «fieldName(self)»;
«ENDDEFINE»

«DEFINE getMethod(dma : gmfgen::DynamicModelAccess) FOR genmodel::GenPackage-»
	«EXPAND xpt::Common::generatedMemberComment('@throws IllegalStateException if no EPackage with given URI is registered.')»
	public static «dma.className» get«getNameToken(self)»() {
		if («fieldName(self)» == null) {
			org.eclipse.emf.ecore.EPackage pkg = getRegistry().getEPackage("«ecorePackage.nsURI»");
			if (pkg == null) {
				throw new IllegalStateException("Package «ecorePackage.name»(«ecorePackage.nsURI») not found");
			}
			«fieldName(self)» = new «dma.className»(pkg);
			«fieldName(self)».init«getNameToken(self)»();
		}
		return «fieldName(self)»;
	}
«ENDDEFINE»

«DEFINE initMethod FOR genmodel::GenPackage-»
	«EXPAND xpt::Common::generatedMemberComment»
	private void init«getNameToken(self)»() {
	}
«ENDDEFINE»

«DEFINE getRegistryMethod FOR gmfgen::DynamicModelAccess»
	«EXPAND xpt::Common::generatedMemberComment('Default implementation returns global registry, clients that need another may redefine.')»
	private static org.eclipse.emf.ecore.EPackage.Registry getRegistry() {
		return org.eclipse.emf.ecore.EPackage.Registry.INSTANCE;
	}
«ENDDEFINE»