/*
 * 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: QualifierValueImpl.java,v 1.10 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.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.uml2.uml.Comment;
import org.eclipse.uml2.uml.InputPin;
import org.eclipse.uml2.uml.Property;
import org.eclipse.uml2.uml.QualifierValue;
import org.eclipse.uml2.uml.UMLPackage;

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

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Qualifier Value</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.QualifierValueImpl#getQualifier <em>Qualifier</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.QualifierValueImpl#getValue <em>Value</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class QualifierValueImpl
		extends ElementImpl
		implements QualifierValue {

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

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Property getQualifier() {
		if (qualifier != null && qualifier.eIsProxy()) {
			InternalEObject oldQualifier = (InternalEObject) qualifier;
			qualifier = (Property) eResolveProxy(oldQualifier);
			if (qualifier != oldQualifier) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
						UMLPackage.QUALIFIER_VALUE__QUALIFIER, oldQualifier,
						qualifier));
			}
		}
		return qualifier;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Property basicGetQualifier() {
		return qualifier;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setQualifier(Property newQualifier) {

		Property oldQualifier = qualifier;
		qualifier = newQualifier;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
				UMLPackage.QUALIFIER_VALUE__QUALIFIER, oldQualifier, qualifier));

	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public InputPin getValue() {
		if (value != null && value.eIsProxy()) {
			InternalEObject oldValue = (InternalEObject) value;
			value = (InputPin) eResolveProxy(oldValue);
			if (value != oldValue) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
						UMLPackage.QUALIFIER_VALUE__VALUE, oldValue, value));
			}
		}
		return value;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public InputPin basicGetValue() {
		return value;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setValue(InputPin newValue) {

		InputPin oldValue = value;
		value = newValue;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
				UMLPackage.QUALIFIER_VALUE__VALUE, oldValue, value));

	}

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case UMLPackage.QUALIFIER_VALUE__EANNOTATIONS :
				return getEAnnotations();
			case UMLPackage.QUALIFIER_VALUE__OWNED_ELEMENT :
				return getOwnedElements();
			case UMLPackage.QUALIFIER_VALUE__OWNER :
				if (resolve)
					return getOwner();
				return basicGetOwner();
			case UMLPackage.QUALIFIER_VALUE__OWNED_COMMENT :
				return getOwnedComments();
			case UMLPackage.QUALIFIER_VALUE__QUALIFIER :
				if (resolve)
					return getQualifier();
				return basicGetQualifier();
			case UMLPackage.QUALIFIER_VALUE__VALUE :
				if (resolve)
					return getValue();
				return basicGetValue();
		}
		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.QUALIFIER_VALUE__EANNOTATIONS :
				getEAnnotations().clear();
				getEAnnotations().addAll(
					(Collection<? extends EAnnotation>) newValue);
				return;
			case UMLPackage.QUALIFIER_VALUE__OWNED_COMMENT :
				getOwnedComments().clear();
				getOwnedComments().addAll(
					(Collection<? extends Comment>) newValue);
				return;
			case UMLPackage.QUALIFIER_VALUE__QUALIFIER :
				setQualifier((Property) newValue);
				return;
			case UMLPackage.QUALIFIER_VALUE__VALUE :
				setValue((InputPin) newValue);
				return;
		}
		eDynamicSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case UMLPackage.QUALIFIER_VALUE__EANNOTATIONS :
				getEAnnotations().clear();
				return;
			case UMLPackage.QUALIFIER_VALUE__OWNED_COMMENT :
				getOwnedComments().clear();
				return;
			case UMLPackage.QUALIFIER_VALUE__QUALIFIER :
				setQualifier((Property) null);
				return;
			case UMLPackage.QUALIFIER_VALUE__VALUE :
				setValue((InputPin) null);
				return;
		}
		eDynamicUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case UMLPackage.QUALIFIER_VALUE__EANNOTATIONS :
				return eAnnotations != null && !eAnnotations.isEmpty();
			case UMLPackage.QUALIFIER_VALUE__OWNED_ELEMENT :
				return isSetOwnedElements();
			case UMLPackage.QUALIFIER_VALUE__OWNER :
				return isSetOwner();
			case UMLPackage.QUALIFIER_VALUE__OWNED_COMMENT :
				return ownedComments != null && !ownedComments.isEmpty();
			case UMLPackage.QUALIFIER_VALUE__QUALIFIER :
				return qualifier != null;
			case UMLPackage.QUALIFIER_VALUE__VALUE :
				return value != null;
		}
		return eDynamicIsSet(featureID);
	}

} //QualifierValueImpl