/*******************************************************************************
 * Copyright (c) 2009, 2011 SAP AG 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:
 *     SAP AG - initial API and implementation
 ******************************************************************************
 * $Id: FunctionFromMethodExprImpl.java,v 1.2 2011/03/05 21:52:04 auhl Exp $
 */
package dataaccess.expressions.fp.impl;

import data.classes.MethodSignature;

import dataaccess.expressions.fp.FpPackage;
import dataaccess.expressions.fp.FunctionFromMethodExpr;

import dataaccess.expressions.impl.ObjectBasedExpressionImpl;

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;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Function From Method Expr</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link dataaccess.expressions.fp.impl.FunctionFromMethodExprImpl#getMethod <em>Method</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class FunctionFromMethodExprImpl extends ObjectBasedExpressionImpl implements FunctionFromMethodExpr {
	/**
	 * The cached value of the '{@link #getMethod() <em>Method</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getMethod()
	 * @generated
	 * @ordered
	 */
	protected MethodSignature method;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public MethodSignature getMethod() {
		if (method != null && method.eIsProxy()) {
			InternalEObject oldMethod = (InternalEObject)method;
			method = (MethodSignature)eResolveProxy(oldMethod);
			if (method != oldMethod) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, FpPackage.FUNCTION_FROM_METHOD_EXPR__METHOD, oldMethod, method));
			}
		}
		return method;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public MethodSignature basicGetMethod() {
		return method;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setMethod(MethodSignature newMethod) {
		MethodSignature oldMethod = method;
		method = newMethod;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, FpPackage.FUNCTION_FROM_METHOD_EXPR__METHOD, oldMethod, method));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case FpPackage.FUNCTION_FROM_METHOD_EXPR__METHOD:
				if (resolve) return getMethod();
				return basicGetMethod();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case FpPackage.FUNCTION_FROM_METHOD_EXPR__METHOD:
				setMethod((MethodSignature)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case FpPackage.FUNCTION_FROM_METHOD_EXPR__METHOD:
				setMethod((MethodSignature)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case FpPackage.FUNCTION_FROM_METHOD_EXPR__METHOD:
				return method != null;
		}
		return super.eIsSet(featureID);
	}

} //FunctionFromMethodExprImpl