/*
 * 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: CollaborationUseImpl.java,v 1.17 2006/05/24 20:54:28 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.EObjectContainmentEList;
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.Collaboration;
import org.eclipse.uml2.uml.CollaborationUse;
import org.eclipse.uml2.uml.Dependency;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.StringExpression;
import org.eclipse.uml2.uml.UMLPackage;
import org.eclipse.uml2.uml.VisibilityKind;

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

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Collaboration Use</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.CollaborationUseImpl#getOwnedElements <em>Owned Element</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.CollaborationUseImpl#getType <em>Type</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.CollaborationUseImpl#getRoleBindings <em>Role Binding</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class CollaborationUseImpl
		extends NamedElementImpl
		implements CollaborationUse {

	/**
	 * The cached value of the '{@link #getType() <em>Type</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getType()
	 * @generated
	 * @ordered
	 */
	protected Collaboration type = null;

	/**
	 * The cached value of the '{@link #getRoleBindings() <em>Role Binding</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getRoleBindings()
	 * @generated
	 * @ordered
	 */
	protected EList roleBindings = null;

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

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

	/**
	 * <!-- 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.COLLABORATION_USE__OWNED_ELEMENT,
						OWNED_ELEMENT_ESUBSETS));
			}
			return ownedElements;
		}
		return new DerivedUnionEObjectEList(Element.class, this,
			UMLPackage.COLLABORATION_USE__OWNED_ELEMENT, OWNED_ELEMENT_ESUBSETS);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Collaboration getType() {
		if (type != null && type.eIsProxy()) {
			InternalEObject oldType = (InternalEObject) type;
			type = (Collaboration) eResolveProxy(oldType);
			if (type != oldType) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
						UMLPackage.COLLABORATION_USE__TYPE, oldType, type));
			}
		}
		return type;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Collaboration basicGetType() {
		return type;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setType(Collaboration newType) {
		Collaboration oldType = type;
		type = newType;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
				UMLPackage.COLLABORATION_USE__TYPE, oldType, type));

	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getRoleBindings() {
		if (roleBindings == null) {
			roleBindings = new EObjectContainmentEList.Resolving(
				Dependency.class, this,
				UMLPackage.COLLABORATION_USE__ROLE_BINDING);
		}
		return roleBindings;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Dependency createRoleBinding(String name, EClass eClass) {
		Dependency newRoleBinding = (Dependency) create(eClass);
		getRoleBindings().add(newRoleBinding);
		if (name != null)
			newRoleBinding.setName(name);
		return newRoleBinding;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Dependency createRoleBinding(String name) {
		return createRoleBinding(name, UMLPackage.Literals.DEPENDENCY);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Dependency getRoleBinding(String name, boolean ignoreCase,
			EClass eClass, boolean createOnDemand) {
		roleBindingLoop : for (Iterator i = getRoleBindings().iterator(); i
			.hasNext();) {
			Dependency roleBinding = (Dependency) i.next();
			if (eClass != null && !eClass.isInstance(roleBinding))
				continue roleBindingLoop;
			if (name != null && !(ignoreCase
				? name.equalsIgnoreCase(roleBinding.getName())
				: name.equals(roleBinding.getName())))
				continue roleBindingLoop;
			return roleBinding;
		}
		return createOnDemand && eClass != null
			? createRoleBinding(name, eClass)
			: null;
	}

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
			case UMLPackage.COLLABORATION_USE__EANNOTATIONS :
				return ((InternalEList) getEAnnotations()).basicRemove(
					otherEnd, msgs);
			case UMLPackage.COLLABORATION_USE__OWNED_COMMENT :
				return ((InternalEList) getOwnedComments()).basicRemove(
					otherEnd, msgs);
			case UMLPackage.COLLABORATION_USE__CLIENT_DEPENDENCY :
				return ((InternalEList) getClientDependencies()).basicRemove(
					otherEnd, msgs);
			case UMLPackage.COLLABORATION_USE__NAME_EXPRESSION :
				return basicSetNameExpression(null, msgs);
			case UMLPackage.COLLABORATION_USE__ROLE_BINDING :
				return ((InternalEList) getRoleBindings()).basicRemove(
					otherEnd, msgs);
		}
		return eDynamicInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case UMLPackage.COLLABORATION_USE__EANNOTATIONS :
				return getEAnnotations();
			case UMLPackage.COLLABORATION_USE__OWNED_ELEMENT :
				return getOwnedElements();
			case UMLPackage.COLLABORATION_USE__OWNER :
				if (resolve)
					return getOwner();
				return basicGetOwner();
			case UMLPackage.COLLABORATION_USE__OWNED_COMMENT :
				return getOwnedComments();
			case UMLPackage.COLLABORATION_USE__NAME :
				return getName();
			case UMLPackage.COLLABORATION_USE__VISIBILITY :
				return getVisibility();
			case UMLPackage.COLLABORATION_USE__QUALIFIED_NAME :
				return getQualifiedName();
			case UMLPackage.COLLABORATION_USE__CLIENT_DEPENDENCY :
				return getClientDependencies();
			case UMLPackage.COLLABORATION_USE__NAMESPACE :
				if (resolve)
					return getNamespace();
				return basicGetNamespace();
			case UMLPackage.COLLABORATION_USE__NAME_EXPRESSION :
				if (resolve)
					return getNameExpression();
				return basicGetNameExpression();
			case UMLPackage.COLLABORATION_USE__TYPE :
				if (resolve)
					return getType();
				return basicGetType();
			case UMLPackage.COLLABORATION_USE__ROLE_BINDING :
				return getRoleBindings();
		}
		return eDynamicGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case UMLPackage.COLLABORATION_USE__EANNOTATIONS :
				getEAnnotations().clear();
				getEAnnotations().addAll((Collection) newValue);
				return;
			case UMLPackage.COLLABORATION_USE__OWNED_COMMENT :
				getOwnedComments().clear();
				getOwnedComments().addAll((Collection) newValue);
				return;
			case UMLPackage.COLLABORATION_USE__NAME :
				setName((String) newValue);
				return;
			case UMLPackage.COLLABORATION_USE__VISIBILITY :
				setVisibility((VisibilityKind) newValue);
				return;
			case UMLPackage.COLLABORATION_USE__CLIENT_DEPENDENCY :
				getClientDependencies().clear();
				getClientDependencies().addAll((Collection) newValue);
				return;
			case UMLPackage.COLLABORATION_USE__NAME_EXPRESSION :
				setNameExpression((StringExpression) newValue);
				return;
			case UMLPackage.COLLABORATION_USE__TYPE :
				setType((Collaboration) newValue);
				return;
			case UMLPackage.COLLABORATION_USE__ROLE_BINDING :
				getRoleBindings().clear();
				getRoleBindings().addAll((Collection) newValue);
				return;
		}
		eDynamicSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(int featureID) {
		switch (featureID) {
			case UMLPackage.COLLABORATION_USE__EANNOTATIONS :
				getEAnnotations().clear();
				return;
			case UMLPackage.COLLABORATION_USE__OWNED_COMMENT :
				getOwnedComments().clear();
				return;
			case UMLPackage.COLLABORATION_USE__NAME :
				unsetName();
				return;
			case UMLPackage.COLLABORATION_USE__VISIBILITY :
				unsetVisibility();
				return;
			case UMLPackage.COLLABORATION_USE__CLIENT_DEPENDENCY :
				getClientDependencies().clear();
				return;
			case UMLPackage.COLLABORATION_USE__NAME_EXPRESSION :
				setNameExpression((StringExpression) null);
				return;
			case UMLPackage.COLLABORATION_USE__TYPE :
				setType((Collaboration) null);
				return;
			case UMLPackage.COLLABORATION_USE__ROLE_BINDING :
				getRoleBindings().clear();
				return;
		}
		eDynamicUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case UMLPackage.COLLABORATION_USE__EANNOTATIONS :
				return eAnnotations != null && !eAnnotations.isEmpty();
			case UMLPackage.COLLABORATION_USE__OWNED_ELEMENT :
				return isSetOwnedElements();
			case UMLPackage.COLLABORATION_USE__OWNER :
				return isSetOwner();
			case UMLPackage.COLLABORATION_USE__OWNED_COMMENT :
				return ownedComments != null && !ownedComments.isEmpty();
			case UMLPackage.COLLABORATION_USE__NAME :
				return isSetName();
			case UMLPackage.COLLABORATION_USE__VISIBILITY :
				return isSetVisibility();
			case UMLPackage.COLLABORATION_USE__QUALIFIED_NAME :
				return QUALIFIED_NAME_EDEFAULT == null
					? getQualifiedName() != null
					: !QUALIFIED_NAME_EDEFAULT.equals(getQualifiedName());
			case UMLPackage.COLLABORATION_USE__CLIENT_DEPENDENCY :
				return clientDependencies != null
					&& !clientDependencies.isEmpty();
			case UMLPackage.COLLABORATION_USE__NAMESPACE :
				return isSetNamespace();
			case UMLPackage.COLLABORATION_USE__NAME_EXPRESSION :
				return nameExpression != null;
			case UMLPackage.COLLABORATION_USE__TYPE :
				return type != null;
			case UMLPackage.COLLABORATION_USE__ROLE_BINDING :
				return roleBindings != null && !roleBindings.isEmpty();
		}
		return eDynamicIsSet(featureID);
	}

	/**
	 * 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.COLLABORATION_USE__OWNED_COMMENT,
		UMLPackage.COLLABORATION_USE__NAME_EXPRESSION,
		UMLPackage.COLLABORATION_USE__ROLE_BINDING};

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

} //CollaborationUseImpl