/*
 * Copyright (c) 2005, 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 - initial API and implementation
 *
 * $Id: ActivityGroupImpl.java,v 1.17 2006/11/14 18:02:16 khussey Exp $
 */
package org.eclipse.uml2.uml.internal.impl;

import java.util.Collection;
import java.util.Iterator;
import java.util.Map;

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

import org.eclipse.emf.common.util.DiagnosticChain;

import org.eclipse.emf.common.util.EList;

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

import org.eclipse.emf.ecore.impl.ENotificationImpl;

import org.eclipse.emf.ecore.resource.Resource;

import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.util.InternalEList;

import org.eclipse.uml2.common.util.CacheAdapter;
import org.eclipse.uml2.common.util.DerivedUnionEObjectEList;

import org.eclipse.uml2.uml.Activity;
import org.eclipse.uml2.uml.ActivityEdge;
import org.eclipse.uml2.uml.ActivityGroup;
import org.eclipse.uml2.uml.ActivityNode;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.UMLPackage;

import org.eclipse.uml2.uml.internal.operations.ActivityGroupOperations;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Activity Group</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ActivityGroupImpl#getSubgroups <em>Subgroup</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ActivityGroupImpl#getOwnedElements <em>Owned Element</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ActivityGroupImpl#getSuperGroup <em>Super Group</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ActivityGroupImpl#getOwner <em>Owner</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ActivityGroupImpl#getContainedEdges <em>Contained Edge</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ActivityGroupImpl#getContainedNodes <em>Contained Node</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ActivityGroupImpl#getInActivity <em>In Activity</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class ActivityGroupImpl
		extends ElementImpl
		implements ActivityGroup {

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getSubgroups() {

		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			Resource eResource = eResource();
			EList subgroups = (EList) cache.get(eResource, this,
				UMLPackage.Literals.ACTIVITY_GROUP__SUBGROUP);
			if (subgroups == null) {
				cache.put(eResource, this,
					UMLPackage.Literals.ACTIVITY_GROUP__SUBGROUP,
					subgroups = new DerivedUnionEObjectEList(
						ActivityGroup.class, this,
						UMLPackage.ACTIVITY_GROUP__SUBGROUP, null));
			}
			return subgroups;
		}
		return new DerivedUnionEObjectEList(ActivityGroup.class, this,
			UMLPackage.ACTIVITY_GROUP__SUBGROUP, null);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getOwnedElements() {

		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			Resource eResource = eResource();
			EList ownedElements = (EList) cache.get(eResource, this,
				UMLPackage.Literals.ELEMENT__OWNED_ELEMENT);
			if (ownedElements == null) {
				cache.put(eResource, this,
					UMLPackage.Literals.ELEMENT__OWNED_ELEMENT,
					ownedElements = new DerivedUnionEObjectEList(Element.class,
						this, UMLPackage.ACTIVITY_GROUP__OWNED_ELEMENT,
						OWNED_ELEMENT_ESUBSETS));
			}
			return ownedElements;
		}
		return new DerivedUnionEObjectEList(Element.class, this,
			UMLPackage.ACTIVITY_GROUP__OWNED_ELEMENT, OWNED_ELEMENT_ESUBSETS);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getContainedNodes() {

		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			Resource eResource = eResource();
			EList containedNodes = (EList) cache.get(eResource, this,
				UMLPackage.Literals.ACTIVITY_GROUP__CONTAINED_NODE);
			if (containedNodes == null) {
				cache.put(eResource, this,
					UMLPackage.Literals.ACTIVITY_GROUP__CONTAINED_NODE,
					containedNodes = new DerivedUnionEObjectEList(
						ActivityNode.class, this,
						UMLPackage.ACTIVITY_GROUP__CONTAINED_NODE, null));
			}
			return containedNodes;
		}
		return new DerivedUnionEObjectEList(ActivityNode.class, this,
			UMLPackage.ACTIVITY_GROUP__CONTAINED_NODE, null);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ActivityNode getContainedNode(String name) {
		return getContainedNode(name, false, null);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ActivityNode getContainedNode(String name, boolean ignoreCase,
			EClass eClass) {
		containedNodeLoop : for (Iterator i = getContainedNodes().iterator(); i
			.hasNext();) {
			ActivityNode containedNode = (ActivityNode) i.next();
			if (eClass != null && !eClass.isInstance(containedNode))
				continue containedNodeLoop;
			if (name != null && !(ignoreCase
				? name.equalsIgnoreCase(containedNode.getName())
				: name.equals(containedNode.getName())))
				continue containedNodeLoop;
			return containedNode;
		}
		return null;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getContainedEdges() {

		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			Resource eResource = eResource();
			EList containedEdges = (EList) cache.get(eResource, this,
				UMLPackage.Literals.ACTIVITY_GROUP__CONTAINED_EDGE);
			if (containedEdges == null) {
				cache.put(eResource, this,
					UMLPackage.Literals.ACTIVITY_GROUP__CONTAINED_EDGE,
					containedEdges = new DerivedUnionEObjectEList(
						ActivityEdge.class, this,
						UMLPackage.ACTIVITY_GROUP__CONTAINED_EDGE, null));
			}
			return containedEdges;
		}
		return new DerivedUnionEObjectEList(ActivityEdge.class, this,
			UMLPackage.ACTIVITY_GROUP__CONTAINED_EDGE, null);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ActivityEdge getContainedEdge(String name) {
		return getContainedEdge(name, false, null);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ActivityEdge getContainedEdge(String name, boolean ignoreCase,
			EClass eClass) {
		containedEdgeLoop : for (Iterator i = getContainedEdges().iterator(); i
			.hasNext();) {
			ActivityEdge containedEdge = (ActivityEdge) i.next();
			if (eClass != null && !eClass.isInstance(containedEdge))
				continue containedEdgeLoop;
			if (name != null && !(ignoreCase
				? name.equalsIgnoreCase(containedEdge.getName())
				: name.equals(containedEdge.getName())))
				continue containedEdgeLoop;
			return containedEdge;
		}
		return null;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Activity getInActivity() {
		if (eContainerFeatureID != UMLPackage.ACTIVITY_GROUP__IN_ACTIVITY)
			return null;
		return (Activity) eContainer();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Activity basicGetInActivity() {
		if (eContainerFeatureID != UMLPackage.ACTIVITY_GROUP__IN_ACTIVITY)
			return null;
		return (Activity) eInternalContainer();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetInActivity(Activity newInActivity,
			NotificationChain msgs) {
		msgs = eBasicSetContainer((InternalEObject) newInActivity,
			UMLPackage.ACTIVITY_GROUP__IN_ACTIVITY, msgs);

		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setInActivity(Activity newInActivity) {

		if (newInActivity != eInternalContainer()
			|| (eContainerFeatureID != UMLPackage.ACTIVITY_GROUP__IN_ACTIVITY && newInActivity != null)) {
			if (EcoreUtil.isAncestor(this, newInActivity))
				throw new IllegalArgumentException(
					"Recursive containment not allowed for " + toString()); //$NON-NLS-1$
			NotificationChain msgs = null;
			if (eInternalContainer() != null)
				msgs = eBasicRemoveFromContainer(msgs);
			if (newInActivity != null)
				msgs = ((InternalEObject) newInActivity).eInverseAdd(this,
					UMLPackage.ACTIVITY__GROUP, Activity.class, msgs);
			msgs = basicSetInActivity(newInActivity, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
				UMLPackage.ACTIVITY_GROUP__IN_ACTIVITY, newInActivity,
				newInActivity));

	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean validateNodesAndEdges(DiagnosticChain diagnostics,
			Map context) {
		return ActivityGroupOperations.validateNodesAndEdges(this, diagnostics,
			context);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean validateNotContained(DiagnosticChain diagnostics, Map context) {
		return ActivityGroupOperations.validateNotContained(this, diagnostics,
			context);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean validateGroupOwned(DiagnosticChain diagnostics, Map context) {
		return ActivityGroupOperations.validateGroupOwned(this, diagnostics,
			context);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseAdd(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
			case UMLPackage.ACTIVITY_GROUP__EANNOTATIONS :
				return ((InternalEList) getEAnnotations()).basicAdd(otherEnd,
					msgs);
			case UMLPackage.ACTIVITY_GROUP__IN_ACTIVITY :
				if (eInternalContainer() != null)
					msgs = eBasicRemoveFromContainer(msgs);
				return basicSetInActivity((Activity) otherEnd, msgs);
		}
		return eDynamicInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
			case UMLPackage.ACTIVITY_GROUP__EANNOTATIONS :
				return ((InternalEList) getEAnnotations()).basicRemove(
					otherEnd, msgs);
			case UMLPackage.ACTIVITY_GROUP__OWNED_COMMENT :
				return ((InternalEList) getOwnedComments()).basicRemove(
					otherEnd, msgs);
			case UMLPackage.ACTIVITY_GROUP__IN_ACTIVITY :
				return basicSetInActivity(null, msgs);
		}
		return eDynamicInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eBasicRemoveFromContainerFeature(
			NotificationChain msgs) {
		switch (eContainerFeatureID) {
			case UMLPackage.ACTIVITY_GROUP__IN_ACTIVITY :
				return eInternalContainer().eInverseRemove(this,
					UMLPackage.ACTIVITY__GROUP, Activity.class, msgs);
		}
		return eDynamicBasicRemoveFromContainer(msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case UMLPackage.ACTIVITY_GROUP__EANNOTATIONS :
				return getEAnnotations();
			case UMLPackage.ACTIVITY_GROUP__OWNED_ELEMENT :
				return getOwnedElements();
			case UMLPackage.ACTIVITY_GROUP__OWNER :
				if (resolve)
					return getOwner();
				return basicGetOwner();
			case UMLPackage.ACTIVITY_GROUP__OWNED_COMMENT :
				return getOwnedComments();
			case UMLPackage.ACTIVITY_GROUP__SUBGROUP :
				return getSubgroups();
			case UMLPackage.ACTIVITY_GROUP__SUPER_GROUP :
				if (resolve)
					return getSuperGroup();
				return basicGetSuperGroup();
			case UMLPackage.ACTIVITY_GROUP__IN_ACTIVITY :
				if (resolve)
					return getInActivity();
				return basicGetInActivity();
			case UMLPackage.ACTIVITY_GROUP__CONTAINED_EDGE :
				return getContainedEdges();
			case UMLPackage.ACTIVITY_GROUP__CONTAINED_NODE :
				return getContainedNodes();
		}
		return eDynamicGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case UMLPackage.ACTIVITY_GROUP__EANNOTATIONS :
				getEAnnotations().clear();
				getEAnnotations().addAll((Collection) newValue);
				return;
			case UMLPackage.ACTIVITY_GROUP__OWNED_COMMENT :
				getOwnedComments().clear();
				getOwnedComments().addAll((Collection) newValue);
				return;
			case UMLPackage.ACTIVITY_GROUP__IN_ACTIVITY :
				setInActivity((Activity) newValue);
				return;
		}
		eDynamicSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(int featureID) {
		switch (featureID) {
			case UMLPackage.ACTIVITY_GROUP__EANNOTATIONS :
				getEAnnotations().clear();
				return;
			case UMLPackage.ACTIVITY_GROUP__OWNED_COMMENT :
				getOwnedComments().clear();
				return;
			case UMLPackage.ACTIVITY_GROUP__IN_ACTIVITY :
				setInActivity((Activity) null);
				return;
		}
		eDynamicUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case UMLPackage.ACTIVITY_GROUP__EANNOTATIONS :
				return eAnnotations != null && !eAnnotations.isEmpty();
			case UMLPackage.ACTIVITY_GROUP__OWNED_ELEMENT :
				return isSetOwnedElements();
			case UMLPackage.ACTIVITY_GROUP__OWNER :
				return isSetOwner();
			case UMLPackage.ACTIVITY_GROUP__OWNED_COMMENT :
				return ownedComments != null && !ownedComments.isEmpty();
			case UMLPackage.ACTIVITY_GROUP__SUBGROUP :
				return isSetSubgroups();
			case UMLPackage.ACTIVITY_GROUP__SUPER_GROUP :
				return isSetSuperGroup();
			case UMLPackage.ACTIVITY_GROUP__IN_ACTIVITY :
				return basicGetInActivity() != null;
			case UMLPackage.ACTIVITY_GROUP__CONTAINED_EDGE :
				return isSetContainedEdges();
			case UMLPackage.ACTIVITY_GROUP__CONTAINED_NODE :
				return isSetContainedNodes();
		}
		return eDynamicIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isSetSubgroups() {
		return false;
	}

	/**
	 * The array of subset feature identifiers for the '{@link #getOwnedElements() <em>Owned Element</em>}' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getOwnedElements()
	 * @generated
	 * @ordered
	 */
	protected static final int[] OWNED_ELEMENT_ESUBSETS = new int[]{
		UMLPackage.ACTIVITY_GROUP__OWNED_COMMENT,
		UMLPackage.ACTIVITY_GROUP__SUBGROUP};

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isSetOwnedElements() {
		return super.isSetOwnedElements() || isSetSubgroups();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ActivityGroup basicGetSuperGroup() {

		return null;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Element getOwner() {
		Element owner = basicGetOwner();
		return owner != null && owner.eIsProxy()
			? (Element) eResolveProxy((InternalEObject) owner)
			: owner;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ActivityGroup getSuperGroup() {
		ActivityGroup superGroup = basicGetSuperGroup();
		return superGroup != null && superGroup.eIsProxy()
			? (ActivityGroup) eResolveProxy((InternalEObject) superGroup)
			: superGroup;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isSetSuperGroup() {
		return false;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Element basicGetOwner() {

		if (isSetSuperGroup()) {
			return basicGetSuperGroup();
		}
		Activity inActivity = basicGetInActivity();
		if (inActivity != null) {
			return inActivity;
		}
		return super.basicGetOwner();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isSetOwner() {
		return super.isSetOwner() || isSetSuperGroup()
			|| eIsSet(UMLPackage.ACTIVITY_GROUP__IN_ACTIVITY);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isSetContainedNodes() {
		return false;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isSetContainedEdges() {
		return false;
	}

} //ActivityGroupImpl