plugins/org.eclipse.m2m.qvt.oml/src/org/eclipse/m2m/internal/qvt/oml/stdlib/CallHandler.java

/*******************************************************************************
 * Copyright (c) 2007, 2018 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 v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 * 
 * Contributors:
 *     Borland Software Corporation - initial API and implementation
 *     Alex Paperno - bugs 404647
 *******************************************************************************/

package org.eclipse.m2m.internal.qvt.oml.stdlib;

import org.eclipse.emf.ecore.EOperation;
import org.eclipse.m2m.internal.qvt.oml.ast.env.QvtOperationalEvaluationEnv;
import org.eclipse.m2m.internal.qvt.oml.evaluator.ModuleInstance;


public abstract class  CallHandler {
			
	public abstract Object invoke(ModuleInstance module, Object source, Object[] args, QvtOperationalEvaluationEnv evalEnv);
	
	public boolean isMutator() {
		return false;
		}
	
	public static class Access {
		public static CallHandler getHandler(EOperation operation) {
			return CallHandlerAdapter.getDispatcher(operation);
		}
		
		public static boolean hasHandler(EOperation operation) {
			return getHandler(operation) != null;
		}
	}

}