/*
 * 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: TemplateableElementImpl.java,v 1.17 2006/11/14 18:02:17 khussey Exp $
 */
package org.eclipse.uml2.uml.internal.impl;

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

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

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.EObjectContainmentWithInverseEList;
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.Element;
import org.eclipse.uml2.uml.TemplateBinding;
import org.eclipse.uml2.uml.TemplateSignature;
import org.eclipse.uml2.uml.TemplateableElement;
import org.eclipse.uml2.uml.UMLPackage;

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

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Templateable Element</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.TemplateableElementImpl#getOwnedElements <em>Owned Element</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.TemplateableElementImpl#getTemplateBindings <em>Template Binding</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.TemplateableElementImpl#getOwnedTemplateSignature <em>Owned Template Signature</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class TemplateableElementImpl
		extends ElementImpl
		implements TemplateableElement {

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

	/**
	 * The cached value of the '{@link #getOwnedTemplateSignature() <em>Owned Template Signature</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getOwnedTemplateSignature()
	 * @generated
	 * @ordered
	 */
	protected TemplateSignature ownedTemplateSignature = null;

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getTemplateBindings() {
		if (templateBindings == null) {
			templateBindings = new EObjectContainmentWithInverseEList.Resolving(
				TemplateBinding.class, this,
				UMLPackage.TEMPLATEABLE_ELEMENT__TEMPLATE_BINDING,
				UMLPackage.TEMPLATE_BINDING__BOUND_ELEMENT);
		}
		return templateBindings;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public TemplateBinding createTemplateBinding(TemplateSignature signature) {
		TemplateBinding newTemplateBinding = (TemplateBinding) create(UMLPackage.Literals.TEMPLATE_BINDING);
		getTemplateBindings().add(newTemplateBinding);
		if (signature != null)
			newTemplateBinding.setSignature(signature);
		return newTemplateBinding;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public TemplateBinding getTemplateBinding(TemplateSignature signature) {
		return getTemplateBinding(signature, false);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public TemplateBinding getTemplateBinding(TemplateSignature signature,
			boolean createOnDemand) {
		templateBindingLoop : for (Iterator i = getTemplateBindings()
			.iterator(); i.hasNext();) {
			TemplateBinding templateBinding = (TemplateBinding) i.next();
			if (signature != null
				&& !signature.equals(templateBinding.getSignature()))
				continue templateBindingLoop;
			return templateBinding;
		}
		return createOnDemand
			? createTemplateBinding(signature)
			: null;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public TemplateSignature getOwnedTemplateSignature() {
		if (ownedTemplateSignature != null && ownedTemplateSignature.eIsProxy()) {
			InternalEObject oldOwnedTemplateSignature = (InternalEObject) ownedTemplateSignature;
			ownedTemplateSignature = (TemplateSignature) eResolveProxy(oldOwnedTemplateSignature);
			if (ownedTemplateSignature != oldOwnedTemplateSignature) {
				InternalEObject newOwnedTemplateSignature = (InternalEObject) ownedTemplateSignature;
				NotificationChain msgs = oldOwnedTemplateSignature
					.eInverseRemove(this,
						UMLPackage.TEMPLATE_SIGNATURE__TEMPLATE,
						TemplateSignature.class, null);
				if (newOwnedTemplateSignature.eInternalContainer() == null) {
					msgs = newOwnedTemplateSignature.eInverseAdd(this,
						UMLPackage.TEMPLATE_SIGNATURE__TEMPLATE,
						TemplateSignature.class, msgs);
				}
				if (msgs != null)
					msgs.dispatch();
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(
						this,
						Notification.RESOLVE,
						UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_TEMPLATE_SIGNATURE,
						oldOwnedTemplateSignature, ownedTemplateSignature));
			}
		}
		return ownedTemplateSignature;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public TemplateSignature basicGetOwnedTemplateSignature() {
		return ownedTemplateSignature;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetOwnedTemplateSignature(
			TemplateSignature newOwnedTemplateSignature, NotificationChain msgs) {
		TemplateSignature oldOwnedTemplateSignature = ownedTemplateSignature;
		ownedTemplateSignature = newOwnedTemplateSignature;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this,
				Notification.SET,
				UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_TEMPLATE_SIGNATURE,
				oldOwnedTemplateSignature, newOwnedTemplateSignature);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}

		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setOwnedTemplateSignature(
			TemplateSignature newOwnedTemplateSignature) {

		if (newOwnedTemplateSignature != ownedTemplateSignature) {
			NotificationChain msgs = null;
			if (ownedTemplateSignature != null)
				msgs = ((InternalEObject) ownedTemplateSignature)
					.eInverseRemove(this,
						UMLPackage.TEMPLATE_SIGNATURE__TEMPLATE,
						TemplateSignature.class, msgs);
			if (newOwnedTemplateSignature != null)
				msgs = ((InternalEObject) newOwnedTemplateSignature)
					.eInverseAdd(this, UMLPackage.TEMPLATE_SIGNATURE__TEMPLATE,
						TemplateSignature.class, msgs);
			msgs = basicSetOwnedTemplateSignature(newOwnedTemplateSignature,
				msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
				UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_TEMPLATE_SIGNATURE,
				newOwnedTemplateSignature, newOwnedTemplateSignature));

	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public TemplateSignature createOwnedTemplateSignature(EClass eClass) {
		TemplateSignature newOwnedTemplateSignature = (TemplateSignature) create(eClass);
		setOwnedTemplateSignature(newOwnedTemplateSignature);
		return newOwnedTemplateSignature;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public TemplateSignature createOwnedTemplateSignature() {
		return createOwnedTemplateSignature(UMLPackage.Literals.TEMPLATE_SIGNATURE);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList parameterableElements() {
		CacheAdapter cache = getCacheAdapter();
		if (cache != null) {
			EList result = (EList) cache.get(this,
				UMLPackage.Literals.TEMPLATEABLE_ELEMENT.getEOperations()
					.get(0));
			if (result == null) {
				cache.put(this, UMLPackage.Literals.TEMPLATEABLE_ELEMENT
					.getEOperations().get(0),
					result = TemplateableElementOperations
						.parameterableElements(this));
			}
			return result;
		}
		return TemplateableElementOperations.parameterableElements(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isTemplate() {
		return TemplateableElementOperations.isTemplate(this);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseAdd(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
			case UMLPackage.TEMPLATEABLE_ELEMENT__EANNOTATIONS :
				return ((InternalEList) getEAnnotations()).basicAdd(otherEnd,
					msgs);
			case UMLPackage.TEMPLATEABLE_ELEMENT__TEMPLATE_BINDING :
				return ((InternalEList) getTemplateBindings()).basicAdd(
					otherEnd, msgs);
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_TEMPLATE_SIGNATURE :
				if (ownedTemplateSignature != null)
					msgs = ((InternalEObject) ownedTemplateSignature)
						.eInverseRemove(
							this,
							EOPPOSITE_FEATURE_BASE
								- UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_TEMPLATE_SIGNATURE,
							null, msgs);
				return basicSetOwnedTemplateSignature(
					(TemplateSignature) 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.TEMPLATEABLE_ELEMENT__EANNOTATIONS :
				return ((InternalEList) getEAnnotations()).basicRemove(
					otherEnd, msgs);
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_COMMENT :
				return ((InternalEList) getOwnedComments()).basicRemove(
					otherEnd, msgs);
			case UMLPackage.TEMPLATEABLE_ELEMENT__TEMPLATE_BINDING :
				return ((InternalEList) getTemplateBindings()).basicRemove(
					otherEnd, msgs);
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_TEMPLATE_SIGNATURE :
				return basicSetOwnedTemplateSignature(null, 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.TEMPLATEABLE_ELEMENT__EANNOTATIONS :
				return getEAnnotations();
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_ELEMENT :
				return getOwnedElements();
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNER :
				if (resolve)
					return getOwner();
				return basicGetOwner();
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_COMMENT :
				return getOwnedComments();
			case UMLPackage.TEMPLATEABLE_ELEMENT__TEMPLATE_BINDING :
				return getTemplateBindings();
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_TEMPLATE_SIGNATURE :
				if (resolve)
					return getOwnedTemplateSignature();
				return basicGetOwnedTemplateSignature();
		}
		return eDynamicGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case UMLPackage.TEMPLATEABLE_ELEMENT__EANNOTATIONS :
				getEAnnotations().clear();
				getEAnnotations().addAll((Collection) newValue);
				return;
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_COMMENT :
				getOwnedComments().clear();
				getOwnedComments().addAll((Collection) newValue);
				return;
			case UMLPackage.TEMPLATEABLE_ELEMENT__TEMPLATE_BINDING :
				getTemplateBindings().clear();
				getTemplateBindings().addAll((Collection) newValue);
				return;
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_TEMPLATE_SIGNATURE :
				setOwnedTemplateSignature((TemplateSignature) newValue);
				return;
		}
		eDynamicSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(int featureID) {
		switch (featureID) {
			case UMLPackage.TEMPLATEABLE_ELEMENT__EANNOTATIONS :
				getEAnnotations().clear();
				return;
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_COMMENT :
				getOwnedComments().clear();
				return;
			case UMLPackage.TEMPLATEABLE_ELEMENT__TEMPLATE_BINDING :
				getTemplateBindings().clear();
				return;
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_TEMPLATE_SIGNATURE :
				setOwnedTemplateSignature((TemplateSignature) null);
				return;
		}
		eDynamicUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case UMLPackage.TEMPLATEABLE_ELEMENT__EANNOTATIONS :
				return eAnnotations != null && !eAnnotations.isEmpty();
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_ELEMENT :
				return isSetOwnedElements();
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNER :
				return isSetOwner();
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_COMMENT :
				return ownedComments != null && !ownedComments.isEmpty();
			case UMLPackage.TEMPLATEABLE_ELEMENT__TEMPLATE_BINDING :
				return templateBindings != null && !templateBindings.isEmpty();
			case UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_TEMPLATE_SIGNATURE :
				return ownedTemplateSignature != null;
		}
		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.TEMPLATEABLE_ELEMENT__OWNED_COMMENT,
		UMLPackage.TEMPLATEABLE_ELEMENT__TEMPLATE_BINDING,
		UMLPackage.TEMPLATEABLE_ELEMENT__OWNED_TEMPLATE_SIGNATURE};

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

} //TemplateableElementImpl