/*******************************************************************************
 * Copyright (c) 2009, 2015 Xored Software Inc 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:
 *     Xored Software Inc - initial API and implementation and/or initial documentation
 *******************************************************************************/
package org.eclipse.rcptt.ecl.core.impl;


import org.eclipse.emf.common.notify.Notification;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.rcptt.ecl.core.Command;
import org.eclipse.rcptt.ecl.core.CorePackage;
import org.eclipse.rcptt.ecl.core.Listen;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Listen</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.rcptt.ecl.core.impl.ListenImpl#getSource <em>Source</em>}</li>
 *   <li>{@link org.eclipse.rcptt.ecl.core.impl.ListenImpl#getWhile <em>While</em>}</li>
 * </ul>
 *
 * @generated
 */
public class ListenImpl extends CommandImpl implements Listen {
	/**
	 * The default value of the '{@link #getSource() <em>Source</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getSource()
	 * @generated
	 * @ordered
	 */
	protected static final String SOURCE_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getSource() <em>Source</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getSource()
	 * @generated
	 * @ordered
	 */
	protected String source = SOURCE_EDEFAULT;

	/**
	 * The cached value of the '{@link #getWhile() <em>While</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getWhile()
	 * @generated
	 * @ordered
	 */
	protected Command while_;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected ListenImpl() {
		super();
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String getSource() {
		return source;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void setSource(String newSource) {
		String oldSource = source;
		source = newSource;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, CorePackage.LISTEN__SOURCE, oldSource, source));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Command getWhile() {
		if (while_ != null && while_.eIsProxy()) {
			InternalEObject oldWhile = (InternalEObject)while_;
			while_ = (Command)eResolveProxy(oldWhile);
			if (while_ != oldWhile) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, CorePackage.LISTEN__WHILE, oldWhile, while_));
			}
		}
		return while_;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Command basicGetWhile() {
		return while_;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void setWhile(Command newWhile) {
		Command oldWhile = while_;
		while_ = newWhile;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, CorePackage.LISTEN__WHILE, oldWhile, while_));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case CorePackage.LISTEN__SOURCE:
				return getSource();
			case CorePackage.LISTEN__WHILE:
				if (resolve) return getWhile();
				return basicGetWhile();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case CorePackage.LISTEN__SOURCE:
				setSource((String)newValue);
				return;
			case CorePackage.LISTEN__WHILE:
				setWhile((Command)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case CorePackage.LISTEN__SOURCE:
				setSource(SOURCE_EDEFAULT);
				return;
			case CorePackage.LISTEN__WHILE:
				setWhile((Command)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case CorePackage.LISTEN__SOURCE:
				return SOURCE_EDEFAULT == null ? source != null : !SOURCE_EDEFAULT.equals(source);
			case CorePackage.LISTEN__WHILE:
				return while_ != null;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String toString() {
		if (eIsProxy()) return super.toString();

		StringBuilder result = new StringBuilder(super.toString());
		result.append(" (source: ");
		result.append(source);
		result.append(')');
		return result.toString();
	}

} //ListenImpl