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/*******************************************************************************
* Copyright (c) 2006, 2007 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.core.internal;
import java.util.Collection;
import java.util.Iterator;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceProxy;
import org.eclipse.core.resources.IResourceProxyVisitor;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
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.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.jdt.core.ElementChangedEvent;
import org.eclipse.jpt.utility.internal.iterators.CloneIterator;
import org.eclipse.jpt.utility.internal.iterators.ReadOnlyIterator;
/**
* <!-- begin-user-doc -->
* A representation of the model object '<em><b>Jpa Model</b></em>'.
* <!-- end-user-doc -->
*
* <p>
* The following features are supported:
* <ul>
* <li>{@link org.eclipse.jpt.core.internal.JpaModel#getProjects <em>Projects</em>}</li>
* </ul>
* </p>
*
* @see org.eclipse.jpt.core.internal.JpaCorePackage#getJpaModel()
* @model kind="class"
* @generated
*/
public class JpaModel extends JpaEObject implements IJpaModel
{
/**
* The cached value of the '{@link #getProjects() <em>Projects</em>}' containment reference list.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getProjects()
* @generated
* @ordered
*/
protected EList<IJpaProject> projects;
/**
* Flag to indicate whether the model has been filled with projects
*/
private boolean filled = false;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected JpaModel() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return JpaCorePackage.Literals.JPA_MODEL;
}
/**
* Returns the value of the '<em><b>Projects</b></em>' containment reference list.
* The list contents are of type {@link org.eclipse.jpt.core.internal.IJpaProject}.
* <!-- begin-user-doc -->
* <p>
* If the meaning of the '<em>Projects</em>' containment reference list isn't clear,
* there really should be more of a description here...
* </p>
* <!-- end-user-doc -->
* @return the value of the '<em>Projects</em>' containment reference list.
* @see org.eclipse.jpt.core.internal.JpaCorePackage#getJpaModel_Projects()
* @model type="org.eclipse.jpt.core.internal.IJpaProject" containment="true"
* @generated
*/
public EList<IJpaProject> getProjects() {
if (projects == null) {
projects = new EObjectContainmentEList<IJpaProject>(IJpaProject.class, this, JpaCorePackage.JPA_MODEL__PROJECTS);
}
return projects;
}
/**
* @see IJpaModel#getJpaProject(IProject)
*/
public synchronized IJpaProject getJpaProject(IProject project) {
for (IJpaProject jpaProject : getProjects()) {
if (jpaProject.getProject().equals(project)) {
return jpaProject;
}
}
if (!this.filled) {
try {
return JpaModelManager.instance().createJpaProject(project);
}
catch (CoreException ce) {
JptCorePlugin.log(ce.getStatus());
return null;
}
}
return null;
}
/**
* @see IJpaModel#jpaProjects()
*/
public Iterator<IJpaProject> jpaProjects() {
return new ReadOnlyIterator<IJpaProject>(getProjects().iterator());
}
@Override
public IResource getResource() {
return null;
}
/**
* INTERNAL ONLY
* Initialize model with workspace resources
*/
void fill() throws CoreException {
if (filled)
return;
IResourceProxyVisitor visitor = new IResourceProxyVisitor() {
public boolean visit(IResourceProxy resourceProxy) throws CoreException {
if (!resourceProxy.isAccessible()) {
return false;
}
switch (resourceProxy.getType()) {
case IResource.ROOT :
return true;
case IResource.PROJECT :
JpaModelManager.instance().fillJpaProject((IProject) resourceProxy.requestResource());
default :
return false;
}
}
};
ResourcesPlugin.getWorkspace().getRoot().accept(visitor, IResource.NONE);
filled = true;
}
/**
* INTERNAL ONLY
* Dispose of model
*/
void dispose() {
for (Iterator<IJpaProject> stream = new CloneIterator<IJpaProject>(getProjects()); stream.hasNext();) {
disposeProject((JpaProject) stream.next());
}
}
/**
* INTERNAL ONLY
* Dispose project and remove it
*/
void disposeProject(JpaProject jpaProject) {
jpaProject.dispose();
getProjects().remove(jpaProject);
}
/**
* INTERNAL ONLY
* Handle java element change event.
*/
void handleEvent(ElementChangedEvent event) {
for (Iterator<IJpaProject> stream = getProjects().iterator(); stream.hasNext();) {
((JpaProject) stream.next()).handleEvent(event);
}
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case JpaCorePackage.JPA_MODEL__PROJECTS :
return ((InternalEList<?>) getProjects()).basicRemove(otherEnd, msgs);
}
return super.eInverseRemove(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case JpaCorePackage.JPA_MODEL__PROJECTS :
return getProjects();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
@Override
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case JpaCorePackage.JPA_MODEL__PROJECTS :
getProjects().clear();
getProjects().addAll((Collection<? extends IJpaProject>) newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case JpaCorePackage.JPA_MODEL__PROJECTS :
getProjects().clear();
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case JpaCorePackage.JPA_MODEL__PROJECTS :
return projects != null && !projects.isEmpty();
}
return super.eIsSet(featureID);
}
}
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