package org.eclipse.stem.core.predicate.impl;

/*******************************************************************************
 * Copyright (c) 2008 IBM 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

import org.eclipse.emf.ecore.EClass;
import org.eclipse.stem.core.graph.Graph;
import org.eclipse.stem.core.model.STEMTime;
import org.eclipse.stem.core.predicate.And;
import org.eclipse.stem.core.predicate.Predicate;
import org.eclipse.stem.core.predicate.PredicatePackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>And</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * </p>
 *
 * @generated
 */
public class AndImpl extends NaryBooleanOperatorImpl implements And {
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected AndImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return PredicatePackage.Literals.AND;
	}

	/**
	 * @see org.eclipse.stem.core.predicate.impl.PredicateImpl#evaluate(org.eclipse.stem.core.model.STEMTime, long, org.eclipse.stem.core.model.Decorator)
	 */
	@Override
	public boolean evaluate(STEMTime time, long timerPeriod, Graph graph) {
		boolean retValue = true;
		for (Predicate predicate : getOperands()) {
			retValue = predicate.evaluate(time, timerPeriod,  graph);
			// Is it false
			if (!retValue) {
				// Yes
				break;
			} // if 
		} // for each Predicate
		return retValue;
	} // evaluate
} //AndImpl