/*******************************************************************************
 * Copyright (c) 2005, 2009 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 implementation
 *******************************************************************************/
package org.eclipse.epf.msproject.impl;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.EObjectImpl;
import org.eclipse.epf.msproject.MsprojectPackage;
import org.eclipse.epf.msproject.TimePeriod;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Time Period</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.epf.msproject.impl.TimePeriodImpl#getFromDate <em>From Date</em>}</li>
 *   <li>{@link org.eclipse.epf.msproject.impl.TimePeriodImpl#getToDate <em>To Date</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class TimePeriodImpl extends EObjectImpl implements TimePeriod {
	/**
	 * The default value of the '{@link #getFromDate() <em>From Date</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getFromDate()
	 * @generated
	 * @ordered
	 */
	protected static final Object FROM_DATE_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getFromDate() <em>From Date</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getFromDate()
	 * @generated
	 * @ordered
	 */
	protected Object fromDate = FROM_DATE_EDEFAULT;

	/**
	 * The default value of the '{@link #getToDate() <em>To Date</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getToDate()
	 * @generated
	 * @ordered
	 */
	protected static final Object TO_DATE_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getToDate() <em>To Date</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getToDate()
	 * @generated
	 * @ordered
	 */
	protected Object toDate = TO_DATE_EDEFAULT;

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected EClass eStaticClass() {
		return MsprojectPackage.eINSTANCE.getTimePeriod();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object getFromDate() {
		return fromDate;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setFromDate(Object newFromDate) {
		Object oldFromDate = fromDate;
		fromDate = newFromDate;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, MsprojectPackage.TIME_PERIOD__FROM_DATE, oldFromDate, fromDate));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object getToDate() {
		return toDate;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setToDate(Object newToDate) {
		Object oldToDate = toDate;
		toDate = newToDate;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, MsprojectPackage.TIME_PERIOD__TO_DATE, oldToDate, toDate));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(EStructuralFeature eFeature, boolean resolve) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case MsprojectPackage.TIME_PERIOD__FROM_DATE:
				return getFromDate();
			case MsprojectPackage.TIME_PERIOD__TO_DATE:
				return getToDate();
		}
		return eDynamicGet(eFeature, resolve);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(EStructuralFeature eFeature, Object newValue) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case MsprojectPackage.TIME_PERIOD__FROM_DATE:
				setFromDate((Object)newValue);
				return;
			case MsprojectPackage.TIME_PERIOD__TO_DATE:
				setToDate((Object)newValue);
				return;
		}
		eDynamicSet(eFeature, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case MsprojectPackage.TIME_PERIOD__FROM_DATE:
				setFromDate(FROM_DATE_EDEFAULT);
				return;
			case MsprojectPackage.TIME_PERIOD__TO_DATE:
				setToDate(TO_DATE_EDEFAULT);
				return;
		}
		eDynamicUnset(eFeature);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case MsprojectPackage.TIME_PERIOD__FROM_DATE:
				return FROM_DATE_EDEFAULT == null ? fromDate != null : !FROM_DATE_EDEFAULT.equals(fromDate);
			case MsprojectPackage.TIME_PERIOD__TO_DATE:
				return TO_DATE_EDEFAULT == null ? toDate != null : !TO_DATE_EDEFAULT.equals(toDate);
		}
		return eDynamicIsSet(eFeature);
	}

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

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (fromDate: ");
		result.append(fromDate);
		result.append(", toDate: ");
		result.append(toDate);
		result.append(')');
		return result.toString();
	}

} //TimePeriodImpl