/*
 * 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: DurationConstraintImpl.java,v 1.18 2006/05/08 17:46:11 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.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.util.EDataTypeUniqueEList;

import org.eclipse.uml2.uml.DurationConstraint;
import org.eclipse.uml2.uml.DurationInterval;
import org.eclipse.uml2.uml.Namespace;
import org.eclipse.uml2.uml.StringExpression;
import org.eclipse.uml2.uml.TemplateParameter;
import org.eclipse.uml2.uml.Type;
import org.eclipse.uml2.uml.UMLPackage;
import org.eclipse.uml2.uml.ValueSpecification;

import org.eclipse.uml2.uml.VisibilityKind;

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

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Duration Constraint</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.DurationConstraintImpl#getFirstEvents <em>First Event</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.DurationConstraintImpl#getSpecification <em>Specification</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class DurationConstraintImpl
		extends IntervalConstraintImpl
		implements DurationConstraint {

	/**
	 * The cached value of the '{@link #getFirstEvents() <em>First Event</em>}' attribute list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getFirstEvents()
	 * @generated
	 * @ordered
	 */
	protected EList firstEvents = null;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getFirstEvents() {
		if (firstEvents == null) {
			firstEvents = new EDataTypeUniqueEList(Boolean.class, this,
				UMLPackage.DURATION_CONSTRAINT__FIRST_EVENT);
		}
		return firstEvents;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ValueSpecification getSpecification() {
		if (specification != null && specification.eIsProxy()) {
			InternalEObject oldSpecification = (InternalEObject) specification;
			specification = (ValueSpecification) eResolveProxy(oldSpecification);
			if (specification != oldSpecification) {
				InternalEObject newSpecification = (InternalEObject) specification;
				NotificationChain msgs = oldSpecification.eInverseRemove(this,
					EOPPOSITE_FEATURE_BASE
						- UMLPackage.DURATION_CONSTRAINT__SPECIFICATION, null,
					null);
				if (newSpecification.eInternalContainer() == null) {
					msgs = newSpecification.eInverseAdd(this,
						EOPPOSITE_FEATURE_BASE
							- UMLPackage.DURATION_CONSTRAINT__SPECIFICATION,
						null, msgs);
				}
				if (msgs != null)
					msgs.dispatch();
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
						UMLPackage.DURATION_CONSTRAINT__SPECIFICATION,
						oldSpecification, specification));
			}
		}
		return specification;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ValueSpecification basicGetSpecification() {
		return specification;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetSpecificationGen(
			ValueSpecification newSpecification, NotificationChain msgs) {
		ValueSpecification oldSpecification = specification;
		specification = newSpecification;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this,
				Notification.SET,
				UMLPackage.DURATION_CONSTRAINT__SPECIFICATION,
				oldSpecification, newSpecification);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}

		return msgs;
	}

	public NotificationChain basicSetSpecification(
			ValueSpecification newSpecification, NotificationChain msgs) {

		if (newSpecification != null
			&& !(newSpecification instanceof DurationInterval)) {

			throw new IllegalArgumentException(newSpecification.toString());
		}

		return basicSetSpecificationGen(newSpecification, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setSpecification(ValueSpecification newSpecification) {
		if (newSpecification != specification) {
			NotificationChain msgs = null;
			if (specification != null)
				msgs = ((InternalEObject) specification).eInverseRemove(this,
					EOPPOSITE_FEATURE_BASE
						- UMLPackage.DURATION_CONSTRAINT__SPECIFICATION, null,
					msgs);
			if (newSpecification != null)
				msgs = ((InternalEObject) newSpecification).eInverseAdd(this,
					EOPPOSITE_FEATURE_BASE
						- UMLPackage.DURATION_CONSTRAINT__SPECIFICATION, null,
					msgs);
			msgs = basicSetSpecification(newSpecification, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
				UMLPackage.DURATION_CONSTRAINT__SPECIFICATION,
				newSpecification, newSpecification));

	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ValueSpecification createSpecification(String name, Type type,
			EClass eClass) {
		ValueSpecification newSpecification = (ValueSpecification) create(eClass);
		setSpecification(newSpecification);
		if (name != null)
			newSpecification.setName(name);
		if (type != null)
			newSpecification.setType(type);
		return newSpecification;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isSetSpecification() {
		return specification != null;
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case UMLPackage.DURATION_CONSTRAINT__EANNOTATIONS :
				return getEAnnotations();
			case UMLPackage.DURATION_CONSTRAINT__OWNED_ELEMENT :
				return getOwnedElements();
			case UMLPackage.DURATION_CONSTRAINT__OWNER :
				if (resolve)
					return getOwner();
				return basicGetOwner();
			case UMLPackage.DURATION_CONSTRAINT__OWNED_COMMENT :
				return getOwnedComments();
			case UMLPackage.DURATION_CONSTRAINT__NAME :
				return getName();
			case UMLPackage.DURATION_CONSTRAINT__VISIBILITY :
				return getVisibility();
			case UMLPackage.DURATION_CONSTRAINT__QUALIFIED_NAME :
				return getQualifiedName();
			case UMLPackage.DURATION_CONSTRAINT__CLIENT_DEPENDENCY :
				return getClientDependencies();
			case UMLPackage.DURATION_CONSTRAINT__NAMESPACE :
				if (resolve)
					return getNamespace();
				return basicGetNamespace();
			case UMLPackage.DURATION_CONSTRAINT__NAME_EXPRESSION :
				if (resolve)
					return getNameExpression();
				return basicGetNameExpression();
			case UMLPackage.DURATION_CONSTRAINT__OWNING_TEMPLATE_PARAMETER :
				if (resolve)
					return getOwningTemplateParameter();
				return basicGetOwningTemplateParameter();
			case UMLPackage.DURATION_CONSTRAINT__TEMPLATE_PARAMETER :
				if (resolve)
					return getTemplateParameter();
				return basicGetTemplateParameter();
			case UMLPackage.DURATION_CONSTRAINT__CONSTRAINED_ELEMENT :
				return getConstrainedElements();
			case UMLPackage.DURATION_CONSTRAINT__SPECIFICATION :
				if (resolve)
					return getSpecification();
				return basicGetSpecification();
			case UMLPackage.DURATION_CONSTRAINT__CONTEXT :
				if (resolve)
					return getContext();
				return basicGetContext();
			case UMLPackage.DURATION_CONSTRAINT__FIRST_EVENT :
				return getFirstEvents();
		}
		return eDynamicGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case UMLPackage.DURATION_CONSTRAINT__EANNOTATIONS :
				getEAnnotations().clear();
				getEAnnotations().addAll((Collection) newValue);
				return;
			case UMLPackage.DURATION_CONSTRAINT__OWNED_COMMENT :
				getOwnedComments().clear();
				getOwnedComments().addAll((Collection) newValue);
				return;
			case UMLPackage.DURATION_CONSTRAINT__NAME :
				setName((String) newValue);
				return;
			case UMLPackage.DURATION_CONSTRAINT__VISIBILITY :
				setVisibility((VisibilityKind) newValue);
				return;
			case UMLPackage.DURATION_CONSTRAINT__CLIENT_DEPENDENCY :
				getClientDependencies().clear();
				getClientDependencies().addAll((Collection) newValue);
				return;
			case UMLPackage.DURATION_CONSTRAINT__NAME_EXPRESSION :
				setNameExpression((StringExpression) newValue);
				return;
			case UMLPackage.DURATION_CONSTRAINT__OWNING_TEMPLATE_PARAMETER :
				setOwningTemplateParameter((TemplateParameter) newValue);
				return;
			case UMLPackage.DURATION_CONSTRAINT__TEMPLATE_PARAMETER :
				setTemplateParameter((TemplateParameter) newValue);
				return;
			case UMLPackage.DURATION_CONSTRAINT__CONSTRAINED_ELEMENT :
				getConstrainedElements().clear();
				getConstrainedElements().addAll((Collection) newValue);
				return;
			case UMLPackage.DURATION_CONSTRAINT__SPECIFICATION :
				setSpecification((ValueSpecification) newValue);
				return;
			case UMLPackage.DURATION_CONSTRAINT__CONTEXT :
				setContext((Namespace) newValue);
				return;
			case UMLPackage.DURATION_CONSTRAINT__FIRST_EVENT :
				getFirstEvents().clear();
				getFirstEvents().addAll((Collection) newValue);
				return;
		}
		eDynamicSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(int featureID) {
		switch (featureID) {
			case UMLPackage.DURATION_CONSTRAINT__EANNOTATIONS :
				getEAnnotations().clear();
				return;
			case UMLPackage.DURATION_CONSTRAINT__OWNED_COMMENT :
				getOwnedComments().clear();
				return;
			case UMLPackage.DURATION_CONSTRAINT__NAME :
				unsetName();
				return;
			case UMLPackage.DURATION_CONSTRAINT__VISIBILITY :
				unsetVisibility();
				return;
			case UMLPackage.DURATION_CONSTRAINT__CLIENT_DEPENDENCY :
				getClientDependencies().clear();
				return;
			case UMLPackage.DURATION_CONSTRAINT__NAME_EXPRESSION :
				setNameExpression((StringExpression) null);
				return;
			case UMLPackage.DURATION_CONSTRAINT__OWNING_TEMPLATE_PARAMETER :
				setOwningTemplateParameter((TemplateParameter) null);
				return;
			case UMLPackage.DURATION_CONSTRAINT__TEMPLATE_PARAMETER :
				setTemplateParameter((TemplateParameter) null);
				return;
			case UMLPackage.DURATION_CONSTRAINT__CONSTRAINED_ELEMENT :
				getConstrainedElements().clear();
				return;
			case UMLPackage.DURATION_CONSTRAINT__SPECIFICATION :
				setSpecification((ValueSpecification) null);
				return;
			case UMLPackage.DURATION_CONSTRAINT__CONTEXT :
				setContext((Namespace) null);
				return;
			case UMLPackage.DURATION_CONSTRAINT__FIRST_EVENT :
				getFirstEvents().clear();
				return;
		}
		eDynamicUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case UMLPackage.DURATION_CONSTRAINT__EANNOTATIONS :
				return eAnnotations != null && !eAnnotations.isEmpty();
			case UMLPackage.DURATION_CONSTRAINT__OWNED_ELEMENT :
				return isSetOwnedElements();
			case UMLPackage.DURATION_CONSTRAINT__OWNER :
				return isSetOwner();
			case UMLPackage.DURATION_CONSTRAINT__OWNED_COMMENT :
				return ownedComments != null && !ownedComments.isEmpty();
			case UMLPackage.DURATION_CONSTRAINT__NAME :
				return isSetName();
			case UMLPackage.DURATION_CONSTRAINT__VISIBILITY :
				return isSetVisibility();
			case UMLPackage.DURATION_CONSTRAINT__QUALIFIED_NAME :
				return QUALIFIED_NAME_EDEFAULT == null
					? getQualifiedName() != null
					: !QUALIFIED_NAME_EDEFAULT.equals(getQualifiedName());
			case UMLPackage.DURATION_CONSTRAINT__CLIENT_DEPENDENCY :
				return clientDependencies != null
					&& !clientDependencies.isEmpty();
			case UMLPackage.DURATION_CONSTRAINT__NAMESPACE :
				return isSetNamespace();
			case UMLPackage.DURATION_CONSTRAINT__NAME_EXPRESSION :
				return nameExpression != null;
			case UMLPackage.DURATION_CONSTRAINT__OWNING_TEMPLATE_PARAMETER :
				return basicGetOwningTemplateParameter() != null;
			case UMLPackage.DURATION_CONSTRAINT__TEMPLATE_PARAMETER :
				return templateParameter != null;
			case UMLPackage.DURATION_CONSTRAINT__CONSTRAINED_ELEMENT :
				return constrainedElements != null
					&& !constrainedElements.isEmpty();
			case UMLPackage.DURATION_CONSTRAINT__SPECIFICATION :
				return isSetSpecification();
			case UMLPackage.DURATION_CONSTRAINT__CONTEXT :
				return basicGetContext() != null;
			case UMLPackage.DURATION_CONSTRAINT__FIRST_EVENT :
				return firstEvents != null && !firstEvents.isEmpty();
		}
		return eDynamicIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public String toString() {
		if (eIsProxy())
			return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (firstEvent: "); //$NON-NLS-1$
		result.append(firstEvents);
		result.append(')');
		return result.toString();
	}

} //DurationConstraintImpl