/*
 * 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: ExtensionPointImpl.java,v 1.15 2006/12/14 15:49:30 khussey Exp $
 */
package org.eclipse.uml2.uml.internal.impl;

import java.util.Collection;
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.ecore.EAnnotation;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;

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

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

import org.eclipse.uml2.uml.Comment;
import org.eclipse.uml2.uml.Dependency;
import org.eclipse.uml2.uml.ExtensionPoint;
import org.eclipse.uml2.uml.StringExpression;
import org.eclipse.uml2.uml.UMLPackage;
import org.eclipse.uml2.uml.UseCase;
import org.eclipse.uml2.uml.VisibilityKind;

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

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Extension Point</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ExtensionPointImpl#getUseCase <em>Use Case</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ExtensionPointImpl
		extends RedefinableElementImpl
		implements ExtensionPoint {

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

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetUseCase(UseCase newUseCase,
			NotificationChain msgs) {
		msgs = eBasicSetContainer((InternalEObject) newUseCase,
			UMLPackage.EXTENSION_POINT__USE_CASE, msgs);

		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setUseCase(UseCase newUseCase) {

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

	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
			case UMLPackage.EXTENSION_POINT__EANNOTATIONS :
				return ((InternalEList<InternalEObject>) (InternalEList<?>) getEAnnotations())
					.basicAdd(otherEnd, msgs);
			case UMLPackage.EXTENSION_POINT__CLIENT_DEPENDENCY :
				return ((InternalEList<InternalEObject>) (InternalEList<?>) getClientDependencies())
					.basicAdd(otherEnd, msgs);
			case UMLPackage.EXTENSION_POINT__USE_CASE :
				if (eInternalContainer() != null)
					msgs = eBasicRemoveFromContainer(msgs);
				return basicSetUseCase((UseCase) otherEnd, msgs);
		}
		return eDynamicInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
			case UMLPackage.EXTENSION_POINT__EANNOTATIONS :
				return ((InternalEList<?>) getEAnnotations()).basicRemove(
					otherEnd, msgs);
			case UMLPackage.EXTENSION_POINT__OWNED_COMMENT :
				return ((InternalEList<?>) getOwnedComments()).basicRemove(
					otherEnd, msgs);
			case UMLPackage.EXTENSION_POINT__CLIENT_DEPENDENCY :
				return ((InternalEList<?>) getClientDependencies())
					.basicRemove(otherEnd, msgs);
			case UMLPackage.EXTENSION_POINT__NAME_EXPRESSION :
				return basicSetNameExpression(null, msgs);
			case UMLPackage.EXTENSION_POINT__USE_CASE :
				return basicSetUseCase(null, msgs);
		}
		return eDynamicInverseRemove(otherEnd, featureID, msgs);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case UMLPackage.EXTENSION_POINT__EANNOTATIONS :
				return getEAnnotations();
			case UMLPackage.EXTENSION_POINT__OWNED_ELEMENT :
				return getOwnedElements();
			case UMLPackage.EXTENSION_POINT__OWNER :
				if (resolve)
					return getOwner();
				return basicGetOwner();
			case UMLPackage.EXTENSION_POINT__OWNED_COMMENT :
				return getOwnedComments();
			case UMLPackage.EXTENSION_POINT__NAME :
				return getName();
			case UMLPackage.EXTENSION_POINT__VISIBILITY :
				return getVisibility();
			case UMLPackage.EXTENSION_POINT__QUALIFIED_NAME :
				return getQualifiedName();
			case UMLPackage.EXTENSION_POINT__CLIENT_DEPENDENCY :
				return getClientDependencies();
			case UMLPackage.EXTENSION_POINT__NAMESPACE :
				if (resolve)
					return getNamespace();
				return basicGetNamespace();
			case UMLPackage.EXTENSION_POINT__NAME_EXPRESSION :
				if (resolve)
					return getNameExpression();
				return basicGetNameExpression();
			case UMLPackage.EXTENSION_POINT__IS_LEAF :
				return isLeaf()
					? Boolean.TRUE
					: Boolean.FALSE;
			case UMLPackage.EXTENSION_POINT__REDEFINED_ELEMENT :
				return getRedefinedElements();
			case UMLPackage.EXTENSION_POINT__REDEFINITION_CONTEXT :
				return getRedefinitionContexts();
			case UMLPackage.EXTENSION_POINT__USE_CASE :
				if (resolve)
					return getUseCase();
				return basicGetUseCase();
		}
		return eDynamicGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case UMLPackage.EXTENSION_POINT__EANNOTATIONS :
				getEAnnotations().clear();
				getEAnnotations().addAll(
					(Collection<? extends EAnnotation>) newValue);
				return;
			case UMLPackage.EXTENSION_POINT__OWNED_COMMENT :
				getOwnedComments().clear();
				getOwnedComments().addAll(
					(Collection<? extends Comment>) newValue);
				return;
			case UMLPackage.EXTENSION_POINT__NAME :
				setName((String) newValue);
				return;
			case UMLPackage.EXTENSION_POINT__VISIBILITY :
				setVisibility((VisibilityKind) newValue);
				return;
			case UMLPackage.EXTENSION_POINT__CLIENT_DEPENDENCY :
				getClientDependencies().clear();
				getClientDependencies().addAll(
					(Collection<? extends Dependency>) newValue);
				return;
			case UMLPackage.EXTENSION_POINT__NAME_EXPRESSION :
				setNameExpression((StringExpression) newValue);
				return;
			case UMLPackage.EXTENSION_POINT__IS_LEAF :
				setIsLeaf(((Boolean) newValue).booleanValue());
				return;
			case UMLPackage.EXTENSION_POINT__USE_CASE :
				setUseCase((UseCase) newValue);
				return;
		}
		eDynamicSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case UMLPackage.EXTENSION_POINT__EANNOTATIONS :
				getEAnnotations().clear();
				return;
			case UMLPackage.EXTENSION_POINT__OWNED_COMMENT :
				getOwnedComments().clear();
				return;
			case UMLPackage.EXTENSION_POINT__NAME :
				unsetName();
				return;
			case UMLPackage.EXTENSION_POINT__VISIBILITY :
				unsetVisibility();
				return;
			case UMLPackage.EXTENSION_POINT__CLIENT_DEPENDENCY :
				getClientDependencies().clear();
				return;
			case UMLPackage.EXTENSION_POINT__NAME_EXPRESSION :
				setNameExpression((StringExpression) null);
				return;
			case UMLPackage.EXTENSION_POINT__IS_LEAF :
				setIsLeaf(IS_LEAF_EDEFAULT);
				return;
			case UMLPackage.EXTENSION_POINT__USE_CASE :
				setUseCase((UseCase) null);
				return;
		}
		eDynamicUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case UMLPackage.EXTENSION_POINT__EANNOTATIONS :
				return eAnnotations != null && !eAnnotations.isEmpty();
			case UMLPackage.EXTENSION_POINT__OWNED_ELEMENT :
				return isSetOwnedElements();
			case UMLPackage.EXTENSION_POINT__OWNER :
				return isSetOwner();
			case UMLPackage.EXTENSION_POINT__OWNED_COMMENT :
				return ownedComments != null && !ownedComments.isEmpty();
			case UMLPackage.EXTENSION_POINT__NAME :
				return isSetName();
			case UMLPackage.EXTENSION_POINT__VISIBILITY :
				return isSetVisibility();
			case UMLPackage.EXTENSION_POINT__QUALIFIED_NAME :
				return QUALIFIED_NAME_EDEFAULT == null
					? getQualifiedName() != null
					: !QUALIFIED_NAME_EDEFAULT.equals(getQualifiedName());
			case UMLPackage.EXTENSION_POINT__CLIENT_DEPENDENCY :
				return clientDependencies != null
					&& !clientDependencies.isEmpty();
			case UMLPackage.EXTENSION_POINT__NAMESPACE :
				return isSetNamespace();
			case UMLPackage.EXTENSION_POINT__NAME_EXPRESSION :
				return nameExpression != null;
			case UMLPackage.EXTENSION_POINT__IS_LEAF :
				return ((eFlags & IS_LEAF_EFLAG) != 0) != IS_LEAF_EDEFAULT;
			case UMLPackage.EXTENSION_POINT__REDEFINED_ELEMENT :
				return isSetRedefinedElements();
			case UMLPackage.EXTENSION_POINT__REDEFINITION_CONTEXT :
				return isSetRedefinitionContexts();
			case UMLPackage.EXTENSION_POINT__USE_CASE :
				return basicGetUseCase() != null;
		}
		return eDynamicIsSet(featureID);
	}

} //ExtensionPointImpl