/* | |
* Copyright (c) 2009, 2019 Mia-Software and others. | |
* All rights reserved. This program and the accompanying materials | |
* are made available under the terms of the Eclipse Public License v2.0 | |
* which accompanies this distribution, and is available at | |
* http://www.eclipse.org/legal/epl-v20.html | |
* | |
* Contributors: | |
* Gabriel Barbier (Mia-Software) - initial API and implementation | |
*/ | |
package org.eclipse.modisco.examples.modelplex; | |
import java.util.HashSet; | |
import java.util.Set; | |
import org.eclipse.emf.common.util.BasicEList; | |
import org.eclipse.emf.common.util.EList; | |
import org.eclipse.emf.common.util.TreeIterator; | |
import org.eclipse.emf.ecore.EObject; | |
import org.eclipse.modisco.infra.query.core.exception.ModelQueryExecutionException; | |
import org.eclipse.modisco.infra.query.core.java.IJavaModelQuery; | |
import org.eclipse.modisco.infra.query.core.java.ParameterValueList; | |
import org.eclipse.modisco.java.ClassDeclaration; | |
import org.eclipse.modisco.java.InterfaceDeclaration; | |
import org.eclipse.modisco.java.TypeAccess; | |
import org.eclipse.modisco.java.TypeDeclaration; | |
/** | |
* @author Gabriel Barbier | |
* | |
*/ | |
public class GetImplementations implements | |
IJavaModelQuery<InterfaceDeclaration, EList<ClassDeclaration>> { | |
private final Set<TypeDeclaration> getAllSubTypes(final TypeDeclaration contextClass) { | |
Set<TypeDeclaration> result = new HashSet<TypeDeclaration>(); | |
TreeIterator<EObject> content = contextClass.eResource().getAllContents(); | |
while (content.hasNext()) { | |
EObject eObject = content.next(); | |
if (eObject instanceof TypeDeclaration) { | |
TypeDeclaration currentClassDeclaration = (TypeDeclaration) eObject; | |
if (isSuperTypeOf(contextClass, currentClassDeclaration)) { | |
result.add(currentClassDeclaration); | |
result.addAll(this.getAllSubTypes(currentClassDeclaration)); | |
} | |
} | |
} | |
return result; | |
} | |
/** | |
* @param contextClass | |
* @return | |
*/ | |
private final boolean isSuperTypeOf(final TypeDeclaration self, | |
final TypeDeclaration typeDeclaration) { | |
if (typeDeclaration.getSuperInterfaces().contains(self)) { | |
return true; | |
} | |
for (TypeAccess superTypeAccess : typeDeclaration.getSuperInterfaces()) { | |
if (superTypeAccess.getType() instanceof TypeDeclaration) { | |
TypeDeclaration superType = (TypeDeclaration) superTypeAccess | |
.getType(); | |
if (superType == self || isSuperTypeOf(self, superType)) { | |
return true; | |
} | |
} | |
} | |
if (typeDeclaration instanceof ClassDeclaration) { | |
ClassDeclaration classDeclaration = (ClassDeclaration) typeDeclaration; | |
if (classDeclaration.getSuperClass() != null && classDeclaration.getSuperClass().getType() == self) { | |
return true; | |
} | |
if (classDeclaration.getSuperClass() != null | |
&& classDeclaration.getSuperClass().getType() instanceof TypeDeclaration) { | |
TypeDeclaration superType = (TypeDeclaration) classDeclaration | |
.getSuperClass().getType(); | |
if (isSuperTypeOf(self, superType)) { | |
return true; | |
} | |
} | |
} | |
return false; | |
} | |
public EList<ClassDeclaration> evaluate(final InterfaceDeclaration context, | |
final ParameterValueList parameterValues) | |
throws ModelQueryExecutionException { | |
EList<ClassDeclaration> result = new BasicEList<ClassDeclaration>(); | |
for (TypeDeclaration child : this.getAllSubTypes(context)) { | |
if (child instanceof ClassDeclaration) { | |
result.add((ClassDeclaration) child); | |
} | |
} | |
return result; | |
} | |
} |