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

/******************************************************************************* 
 * Copyright (c) 2006 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.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.BasicEMap;
import org.eclipse.emf.common.util.EMap;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.EObjectImpl;
import org.eclipse.stem.core.common.Identifiable;

import org.eclipse.stem.core.graph.GraphPackage;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>URI To Identifiable Map Entry</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.stem.core.graph.impl.URIToIdentifiableMapEntryImpl#getTypedKey <em>Key</em>}</li>
 *   <li>{@link org.eclipse.stem.core.graph.impl.URIToIdentifiableMapEntryImpl#getTypedValue <em>Value</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class URIToIdentifiableMapEntryImpl extends EObjectImpl implements BasicEMap.Entry<URI,Identifiable> {
	/**
	 * The default value of the '{@link #getTypedKey() <em>Key</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getTypedKey()
	 * @generated
	 * @ordered
	 */
	protected static final URI KEY_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getTypedKey() <em>Key</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getTypedKey()
	 * @generated
	 * @ordered
	 */
	protected URI key = KEY_EDEFAULT;

	/**
	 * The cached value of the '{@link #getTypedValue() <em>Value</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getTypedValue()
	 * @generated
	 * @ordered
	 */
	protected Identifiable value;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public URI getTypedKey() {
		return key;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setTypedKey(URI newKey) {
		URI oldKey = key;
		key = newKey;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, GraphPackage.URI_TO_IDENTIFIABLE_MAP_ENTRY__KEY, oldKey, key));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Identifiable getTypedValue() {
		return value;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetTypedValue(Identifiable newValue, NotificationChain msgs) {
		Identifiable oldValue = value;
		value = newValue;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, GraphPackage.URI_TO_IDENTIFIABLE_MAP_ENTRY__VALUE, oldValue, newValue);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setTypedValue(Identifiable newValue) {
		if (newValue != value) {
			NotificationChain msgs = null;
			if (value != null)
				msgs = ((InternalEObject)value).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - GraphPackage.URI_TO_IDENTIFIABLE_MAP_ENTRY__VALUE, null, msgs);
			if (newValue != null)
				msgs = ((InternalEObject)newValue).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - GraphPackage.URI_TO_IDENTIFIABLE_MAP_ENTRY__VALUE, null, msgs);
			msgs = basicSetTypedValue(newValue, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, GraphPackage.URI_TO_IDENTIFIABLE_MAP_ENTRY__VALUE, newValue, newValue));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case GraphPackage.URI_TO_IDENTIFIABLE_MAP_ENTRY__VALUE:
				return basicSetTypedValue(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case GraphPackage.URI_TO_IDENTIFIABLE_MAP_ENTRY__KEY:
				return getTypedKey();
			case GraphPackage.URI_TO_IDENTIFIABLE_MAP_ENTRY__VALUE:
				return getTypedValue();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case GraphPackage.URI_TO_IDENTIFIABLE_MAP_ENTRY__KEY:
				setTypedKey((URI)newValue);
				return;
			case GraphPackage.URI_TO_IDENTIFIABLE_MAP_ENTRY__VALUE:
				setTypedValue((Identifiable)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case GraphPackage.URI_TO_IDENTIFIABLE_MAP_ENTRY__KEY:
				setTypedKey(KEY_EDEFAULT);
				return;
			case GraphPackage.URI_TO_IDENTIFIABLE_MAP_ENTRY__VALUE:
				setTypedValue((Identifiable)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case GraphPackage.URI_TO_IDENTIFIABLE_MAP_ENTRY__KEY:
				return KEY_EDEFAULT == null ? key != null : !KEY_EDEFAULT.equals(key);
			case GraphPackage.URI_TO_IDENTIFIABLE_MAP_ENTRY__VALUE:
				return value != null;
		}
		return super.eIsSet(featureID);
	}

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

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (key: "); //$NON-NLS-1$
		result.append(key);
		result.append(')');
		return result.toString();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected int hash = -1;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public int getHash() {
		if (hash == -1) {
			Object theKey = getKey();
			hash = (theKey == null ? 0 : theKey.hashCode());
		}
		return hash;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setHash(int hash) {
		this.hash = hash;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public URI getKey() {
		return getTypedKey();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setKey(URI key) {
		setTypedKey(key);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Identifiable getValue() {
		return getTypedValue();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Identifiable setValue(Identifiable value) {
		Identifiable oldValue = getValue();
		setTypedValue(value);
		return oldValue;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	public EMap<URI, Identifiable> getEMap() {
		EObject container = eContainer();
		return container == null ? null : (EMap<URI, Identifiable>)container.eGet(eContainmentFeature());
	}

} //URIToIdentifiableMapEntryImpl