/*
 * Copyright (c) 2003, 2004 IBM Corporation and others.
 * All rights reserved.   This program and the accompanying materials
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 *
 * Contributors:
 *   IBM - Initial API and implementation
 *
 * $Id: TemplateParameterSubstitutionImpl.java,v 1.3 2004/04/30 17:21:45 khussey Exp $
 */
package org.eclipse.uml2.impl;

import java.util.Collection;
import java.util.LinkedHashSet;
import java.util.Set;

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.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EcoreEList;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.uml2.Element;
import org.eclipse.uml2.ParameterableElement;
import org.eclipse.uml2.TemplateBinding;
import org.eclipse.uml2.TemplateParameter;
import org.eclipse.uml2.TemplateParameterSubstitution;
import org.eclipse.uml2.UML2Package;

import org.eclipse.uml2.internal.util.SubsetEObjectContainmentEList;
import org.eclipse.uml2.internal.util.SupersetEObjectResolvingEList;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Template Parameter Substitution</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.uml2.impl.TemplateParameterSubstitutionImpl#getFormal <em>Formal</em>}</li>
 *   <li>{@link org.eclipse.uml2.impl.TemplateParameterSubstitutionImpl#getTemplateBinding <em>Template Binding</em>}</li>
 *   <li>{@link org.eclipse.uml2.impl.TemplateParameterSubstitutionImpl#getActuals <em>Actual</em>}</li>
 *   <li>{@link org.eclipse.uml2.impl.TemplateParameterSubstitutionImpl#getOwnedActuals <em>Owned Actual</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class TemplateParameterSubstitutionImpl extends ElementImpl implements TemplateParameterSubstitution {
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public static final String copyright = "Copyright (c) 2003, 2004 IBM Corporation and others."; //$NON-NLS-1$

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

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected EClass eStaticClass() {
		return UML2Package.eINSTANCE.getTemplateParameterSubstitution();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * Returns the value of the '<em><b>Formal</b></em>' reference.
	 * @generated
	 */
	public TemplateParameter getFormal() {
		if (formal != null && formal.eIsProxy()) {
			TemplateParameter oldFormal = formal;
			formal = (TemplateParameter)eResolveProxy((InternalEObject)formal);
			if (formal != oldFormal) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__FORMAL, oldFormal, formal));
			}
		}
		return formal;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * Returns the value of the '<em><b>Formal</b></em>' reference.
	 * @generated
	 */
	public TemplateParameter basicGetFormal() {
		return formal;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setFormal(TemplateParameter newFormal) {
		TemplateParameter oldFormal = formal;
		formal = newFormal;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__FORMAL, oldFormal, formal));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * Returns the value of the '<em><b>Template Binding</b></em>' container reference.
	 * <p>
	 * Subsets the following features:
	 * <ul>
	 *   <li>{@link org.eclipse.uml2.Element#getOwner}</li>
	 * </ul>
	 * </p>
	 * @generated
	 */
	public TemplateBinding getTemplateBinding() {
		if (eContainerFeatureID != UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__TEMPLATE_BINDING) return null;
		return (TemplateBinding)eContainer;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setTemplateBinding(TemplateBinding newTemplateBinding) {
		if (newTemplateBinding != eContainer || (eContainerFeatureID != UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__TEMPLATE_BINDING && newTemplateBinding != null)) {
			if (EcoreUtil.isAncestor(this, newTemplateBinding))
				throw new IllegalArgumentException("Recursive containment not allowed for " + toString()); //$NON-NLS-1$
			NotificationChain msgs = null;
			if (eContainer != null)
				msgs = eBasicRemoveFromContainer(msgs);
			if (newTemplateBinding != null)
				msgs = ((InternalEObject)newTemplateBinding).eInverseAdd(this, UML2Package.TEMPLATE_BINDING__PARAMETER_SUBSTITUTION, TemplateBinding.class, msgs);
			msgs = eBasicSetContainer((InternalEObject)newTemplateBinding, UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__TEMPLATE_BINDING, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__TEMPLATE_BINDING, newTemplateBinding, newTemplateBinding));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * Returns the value of the '<em><b>Actual</b></em>' reference list.
	 * @generated
	 */
	public EList getActuals() {
		// TODO: test this superset getter
		if (actual == null) {
			actual = new SupersetEObjectResolvingEList(ParameterableElement.class, this, UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__ACTUAL, new int[] {UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_ACTUAL});
		}
		return actual;

	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * Returns the value of the '<em><b>Owned Actual</b></em>' containment reference list.
	 * <p>
	 * Subsets the following features:
	 * <ul>
	 *   <li>{@link org.eclipse.uml2.Element#getOwnedElements}</li>
	 *   <li>{@link org.eclipse.uml2.TemplateParameterSubstitution#getActuals}</li>
	 * </ul>
	 * </p>
	 * @generated
	 */
	public EList getOwnedActuals() {
		// TODO: test this subset getter
		if (ownedActual == null) {
			ownedActual = new SubsetEObjectContainmentEList(ParameterableElement.class, this, UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_ACTUAL, new int[] {UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__ACTUAL});
		}
		return ownedActual;

	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ParameterableElement createOwnedActual(EClass eClass) {
		ParameterableElement newOwnedActual = (ParameterableElement) eClass.getEPackage().getEFactoryInstance().create(eClass);
		if (eNotificationRequired()) {
			eNotify(new ENotificationImpl(this, Notification.CREATE, UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_ACTUAL, null, newOwnedActual));
		}
		getOwnedActuals().add(newOwnedActual);
		return newOwnedActual;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * Returns the value of the '<em><b>Owner</b></em>' reference, a derived union.
	 * It is bidirectional and its opposite is '{@link org.eclipse.uml2.Element#getOwnedElements <em>Owned Element</em>}'.
	 * @generated
	 */
	public Element basicGetOwner() {
		// TODO: test this union basic getter
		if (null != getTemplateBinding()) {
			return (Element) getTemplateBinding();
		}
		return super.basicGetOwner();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * Returns the value of the '<em><b>Owned Element</b></em>' reference list, a derived union.
	 * The list contents are of type {@link org.eclipse.uml2.Element}.
	 * It is bidirectional and its opposite is '{@link org.eclipse.uml2.Element#getOwner <em>Owner</em>}'.
	 * @generated
	 */
	public EList getOwnedElements() {
		// TODO: test this union getter
		if (!getCacheAdapter().containsKey(this, UML2Package.eINSTANCE.getElement_OwnedElement())) {
			Set union = new LinkedHashSet();
			union.addAll(super.getOwnedElements());
			union.addAll(getOwnedActuals());
			getCacheAdapter().put(
				this,
				UML2Package.eINSTANCE.getElement_OwnedElement(),
				new EcoreEList.UnmodifiableEList(this, 
					UML2Package.eINSTANCE.getElement_OwnedElement(),
					union.size(),
					union.toArray()));
		}
		return (EList) getCacheAdapter().get(this, UML2Package.eINSTANCE.getElement_OwnedElement());
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, Class baseClass, NotificationChain msgs) {
		if (featureID >= 0) {
			switch (eDerivedStructuralFeatureID(featureID, baseClass)) {
				case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__EANNOTATIONS:
					return ((InternalEList)getEAnnotations()).basicAdd(otherEnd, msgs);
				case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__TEMPLATE_BINDING:
					if (eContainer != null)
						msgs = eBasicRemoveFromContainer(msgs);
					return eBasicSetContainer(otherEnd, UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__TEMPLATE_BINDING, msgs);
				default:
					return eDynamicInverseAdd(otherEnd, featureID, baseClass, msgs);
			}
		}
		if (eContainer != null)
			msgs = eBasicRemoveFromContainer(msgs);
		return eBasicSetContainer(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, Class baseClass, NotificationChain msgs) {
		if (featureID >= 0) {
			switch (eDerivedStructuralFeatureID(featureID, baseClass)) {
				case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__EANNOTATIONS:
					return ((InternalEList)getEAnnotations()).basicRemove(otherEnd, msgs);
				case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_COMMENT:
					return ((InternalEList)getOwnedComments()).basicRemove(otherEnd, msgs);
				case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__TEMPLATE_BINDING:
					return eBasicSetContainer(null, UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__TEMPLATE_BINDING, msgs);
				case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_ACTUAL:
					return ((InternalEList)getOwnedActuals()).basicRemove(otherEnd, msgs);
				default:
					return eDynamicInverseRemove(otherEnd, featureID, baseClass, msgs);
			}
		}
		return eBasicSetContainer(null, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eBasicRemoveFromContainer(NotificationChain msgs) {
		if (eContainerFeatureID >= 0) {
			switch (eContainerFeatureID) {
				case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__TEMPLATE_BINDING:
					return eContainer.eInverseRemove(this, UML2Package.TEMPLATE_BINDING__PARAMETER_SUBSTITUTION, TemplateBinding.class, msgs);
				default:
					return eDynamicBasicRemoveFromContainer(msgs);
			}
		}
		return eContainer.eInverseRemove(this, EOPPOSITE_FEATURE_BASE - eContainerFeatureID, null, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(EStructuralFeature eFeature, boolean resolve) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__EANNOTATIONS:
				return getEAnnotations();
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_ELEMENT:
				return getOwnedElements();
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNER:
				if (resolve) return getOwner();
				return basicGetOwner();
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_COMMENT:
				return getOwnedComments();
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__FORMAL:
				if (resolve) return getFormal();
				return basicGetFormal();
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__TEMPLATE_BINDING:
				return getTemplateBinding();
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__ACTUAL:
				return getActuals();
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_ACTUAL:
				return getOwnedActuals();
		}
		return eDynamicGet(eFeature, resolve);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(EStructuralFeature eFeature, Object newValue) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__EANNOTATIONS:
				getEAnnotations().clear();
				getEAnnotations().addAll((Collection)newValue);
				return;
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_COMMENT:
				getOwnedComments().clear();
				getOwnedComments().addAll((Collection)newValue);
				return;
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__FORMAL:
				setFormal((TemplateParameter)newValue);
				return;
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__TEMPLATE_BINDING:
				setTemplateBinding((TemplateBinding)newValue);
				return;
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__ACTUAL:
				getActuals().clear();
				getActuals().addAll((Collection)newValue);
				return;
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_ACTUAL:
				getOwnedActuals().clear();
				getOwnedActuals().addAll((Collection)newValue);
				return;
		}
		eDynamicSet(eFeature, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__EANNOTATIONS:
				getEAnnotations().clear();
				return;
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_COMMENT:
				getOwnedComments().clear();
				return;
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__FORMAL:
				setFormal((TemplateParameter)null);
				return;
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__TEMPLATE_BINDING:
				setTemplateBinding((TemplateBinding)null);
				return;
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__ACTUAL:
				getActuals().clear();
				return;
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_ACTUAL:
				getOwnedActuals().clear();
				return;
		}
		eDynamicUnset(eFeature);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__EANNOTATIONS:
				return eAnnotations != null && !eAnnotations.isEmpty();
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_ELEMENT:
				return !getOwnedElements().isEmpty();
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNER:
				return basicGetOwner() != null;
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_COMMENT:
				return ownedComment != null && !ownedComment.isEmpty();
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__FORMAL:
				return formal != null;
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__TEMPLATE_BINDING:
				return getTemplateBinding() != null;
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__ACTUAL:
				return actual != null && !actual.isEmpty();
			case UML2Package.TEMPLATE_PARAMETER_SUBSTITUTION__OWNED_ACTUAL:
				return ownedActual != null && !ownedActual.isEmpty();
		}
		return eDynamicIsSet(eFeature);
	}

} //TemplateParameterSubstitutionImpl