/*******************************************************************************
* Copyright (c) 2007, 2015 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.jpa.core.internal.context;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.Vector;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.jpt.common.core.JptResourceType;
import org.eclipse.jpt.common.core.internal.utility.ValidationMessageTools;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.common.core.utility.ValidationMessage;
import org.eclipse.jpt.common.utility.internal.ObjectTools;
import org.eclipse.jpt.common.utility.internal.collection.CollectionTools;
import org.eclipse.jpt.common.utility.internal.iterator.IteratorTools;
import org.eclipse.jpt.common.utility.iterable.ListIterable;
import org.eclipse.jpt.jpa.core.JpaModel;
import org.eclipse.jpt.jpa.core.context.JpaContextModel;
import org.eclipse.jpt.jpa.core.context.MappingFile;
import org.eclipse.jpt.jpa.core.context.persistence.PersistenceUnit;
import org.eclipse.jpt.jpa.core.internal.AbstractJpaModel;
import org.eclipse.jpt.jpa.db.Catalog;
import org.eclipse.jpt.jpa.db.Schema;
import org.eclipse.jpt.jpa.db.SchemaContainer;
import org.eclipse.jst.j2ee.model.internal.validation.ValidationCancelledException;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public abstract class AbstractJpaContextModel<P extends JpaContextModel>
extends AbstractJpaModel<P>
implements JpaContextModel
{
protected AbstractJpaContextModel(P parent) {
super(parent);
}
// ********** synchronize/update **********
public void synchronizeWithResourceModel(IProgressMonitor monitor) {
if (monitor.isCanceled()) {
throw new OperationCanceledException();
}
}
/**
* convenience method
*/
protected void synchronizeModelsWithResourceModel(Iterable<? extends JpaContextModel> models, IProgressMonitor monitor) {
for (JpaContextModel model : models) {
model.synchronizeWithResourceModel(monitor);
}
}
public void update(IProgressMonitor monitor) {
if (monitor.isCanceled()) {
throw new OperationCanceledException();
}
}
/**
* convenience method
*/
protected void updateModels(Iterable<? extends JpaContextModel> models, IProgressMonitor monitor) {
for (JpaContextModel model : models) {
model.update(monitor);
}
}
// ********** containment hierarchy **********
/**
* Overridden in:<ul>
* <li>{@link org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaContextModel#getResourceType() AbstractJavaJpaContextModel}
* <li>{@link org.eclipse.jpt.jpa.core.internal.jpa1.context.java.GenericJarFile#getResourceType() GenericJarFile}
* <li>{@link org.eclipse.jpt.jpa.core.internal.jpa1.context.orm.GenericOrmXml#getResourceType() GenericOrmXml}
* <li>{@link org.eclipse.jpt.jpa.core.internal.jpa1.context.persistence.GenericPersistenceXml#getResourceType() GenericPersistenceXml}
* </ul>
*/
public JptResourceType getResourceType() {
return this.parent.getResourceType();
}
/**
* Overridden in:<ul>
* <li>{@link org.eclipse.jpt.jpa.core.internal.context.persistence.AbstractPersistenceUnit#getPersistenceUnit() AbstractPersistenceUnit}
* to return itself
* <li>{@link org.eclipse.jpt.jpa.core.internal.jpa1.context.GenericContextRoot#getPersistenceUnit() GenericContextModelRoot}
* to return <code>null</code>
* </ul>
*/
public PersistenceUnit getPersistenceUnit() {
return this.parent.getPersistenceUnit();
}
/**
* Overridden in:<ul>
* <li>{@link org.eclipse.jpt.jpa.core.internal.context.orm.AbstractEntityMappings#getMappingFileRoot() AbstractEntityMappings}
* to return itself
* <li>{@link org.eclipse.jpt.jpa.core.internal.jpa1.context.GenericContextRoot#getMappingFileRoot() GenericContextModelRoot}
* to return <code>null</code>
* </ul>
*/
public MappingFile.Root getMappingFileRoot() {
return this.parent.getMappingFileRoot();
}
// ********** validation **********
/**
* All subclass implementations should be
* preceded by a "super" call to this method.
*/
public void validate(List<IMessage> messages, IReporter reporter) {
if (reporter.isCancelled()) {
throw new ValidationCancelledException();
}
}
/**
* Return the specified text range if it is not <code>null</code>; if it is
* <code>null</code>, return the model's validation text range.
* Typically, the specified text range is for one of the model's children.
*/
protected TextRange getValidationTextRange(TextRange textRange) {
return (textRange != null) ? textRange : this.getValidationTextRange();
}
/**
* Validate the specified model if it is not <code>null</code>.
*/
protected void validateModel(JpaContextModel model, List<IMessage> messages, IReporter reporter) {
if (model != null) {
model.validate(messages, reporter);
}
}
/**
* Validate the specified models.
*/
protected void validateModels(Iterable<? extends JpaContextModel> models, List<IMessage> messages, IReporter reporter) {
for (JpaContextModel model : models) {
model.validate(messages, reporter);
}
}
/**
* @see #buildValidationMessage(JpaModel, ValidationMessage)
* @see IMessage#HIGH_SEVERITY
*/
protected IMessage buildValidationMessage(ValidationMessage message) {
return this.buildValidationMessage(this, message);
}
/**
* @see ValidationMessageTools#buildValidationMessage(IResource, ValidationMessage)
* @see IMessage#HIGH_SEVERITY
*/
protected IMessage buildValidationMessage(JpaModel target, ValidationMessage message) {
return ValidationMessageTools.buildValidationMessage(target.getResource(), message);
}
/**
* @see #buildValidationMessage(JpaModel, ValidationMessage, Object[])
* @see IMessage#HIGH_SEVERITY
*/
protected IMessage buildValidationMessage(ValidationMessage message, Object... args) {
return this.buildValidationMessage(this, message, args);
}
/**
* @see ValidationMessageTools#buildValidationMessage(IResource, ValidationMessage, Object[])
* @see IMessage#HIGH_SEVERITY
*/
protected IMessage buildValidationMessage(JpaModel target, ValidationMessage message, Object... args) {
return ValidationMessageTools.buildValidationMessage(target.getResource(), message, args);
}
/**
* @see #buildValidationMessage(JpaModel, TextRange, ValidationMessage)
* @see IMessage#HIGH_SEVERITY
*/
protected IMessage buildValidationMessage(TextRange textRange, ValidationMessage message) {
return this.buildValidationMessage(this, textRange, message);
}
/**
* @see ValidationMessageTools#buildValidationMessage(IResource, TextRange, ValidationMessage)
* @see IMessage#HIGH_SEVERITY
*/
protected IMessage buildValidationMessage(JpaModel target, TextRange textRange, ValidationMessage message) {
return ValidationMessageTools.buildValidationMessage(target.getResource(), textRange, message);
}
/**
* @see #buildValidationMessage(JpaModel, TextRange, ValidationMessage, Object[])
* @see IMessage#HIGH_SEVERITY
*/
protected IMessage buildValidationMessage(TextRange textRange, ValidationMessage message, Object... args) {
return this.buildValidationMessage(this, textRange, message, args);
}
/**
* @see ValidationMessageTools#buildValidationMessage(IResource, TextRange, ValidationMessage, Object[])
* @see IMessage#HIGH_SEVERITY
*/
protected IMessage buildValidationMessage(JpaModel target, TextRange textRange, ValidationMessage message, Object... args) {
return ValidationMessageTools.buildValidationMessage(target.getResource(), textRange, message, args);
}
// *********** completion proposals ***********
public Iterable<String> getCompletionProposals(int pos) {
if (this.connectionProfileIsActive()) {
Iterable<String> result = this.getConnectedCompletionProposals(pos);
if (result != null) {
return result;
}
}
return null;
}
/**
* This method is called if the database is connected, allowing us to
* get candidates from the various database tables etc.
* This method should <em>not</em> be cascaded to "child" objects; it should
* only return candidates for the current object. The cascading is
* handled by {@link #getCompletionProposals(int)}.
*/
@SuppressWarnings("unused")
protected Iterable<String> getConnectedCompletionProposals(int pos) {
return null;
}
// ********** database stuff **********
public Schema getContextDefaultDbSchema() {
SchemaContainer dbSchemaContainer = this.getContextDefaultDbSchemaContainer();
return (dbSchemaContainer == null) ? null : dbSchemaContainer.getSchemaForIdentifier(this.getContextDefaultSchema());
}
protected String getContextDefaultSchema() {
MappingFile.Root mfr = this.getMappingFileRoot();
return (mfr != null) ? mfr.getSchema() : this.getPersistenceUnit().getDefaultSchema();
}
/**
* If we don't have a catalog (i.e. we don't even have a <em>default</em> catalog),
* then the database probably does not support catalogs; and we need to
* get the schema directly from the database.
*/
public SchemaContainer getContextDefaultDbSchemaContainer() {
String catalog = this.getContextDefaultCatalog();
return (catalog != null) ? this.resolveDbCatalog(catalog) : this.getDatabase();
}
/**
* If we don't have a catalog (i.e. we don't even have a <em>default</em>
* catalog), then the database probably does not support catalogs.
*/
public Catalog getContextDefaultDbCatalog() {
String catalog = this.getContextDefaultCatalog();
return (catalog == null) ? null : this.resolveDbCatalog(catalog);
}
protected String getContextDefaultCatalog() {
MappingFile.Root mfr = this.getMappingFileRoot();
return (mfr != null) ? mfr.getCatalog() : this.getPersistenceUnit().getDefaultCatalog();
}
// ********** containers **********
/**
* Adapter used to synchronize a collection of context models with the
* corresponding collection of resource models.
* @param <C> the type of context elements
* @param <R> the type of resource elements
*/
public static abstract class Container<C, R>
implements ListIterable<C>
{
/**
* "Context" elements.
*/
protected final Vector<C> elements = new Vector<>();
/**
* Aspect name used for event notification when the
* container's contents change.
*/
protected final String aspectName;
protected final Adapter<C, R> adapter;
protected Container(String aspectName, Adapter<C, R> adapter) {
super();
this.aspectName = aspectName;
this.adapter = adapter;
}
/**
* Subclasses call this as necessary.
*/
protected void initialize() {
for (R resourceElement : this.adapter.getResourceElements()) {
this.elements.add(this.adapter.buildContextElement(resourceElement));
}
}
public C get(int index) {
return this.elements.get(index);
}
public ListIterator<C> iterator() {
return IteratorTools.clone(this.elements);
}
/**
* Return the size of the context elements collection
*/
public int size() {
return this.elements.size();
}
/**
* Add a context element for the specified resource element at the
* specified index.
*/
public C addContextElement(int index, R resourceElement) {
return this.add(index, this.adapter.buildContextElement(resourceElement));
}
/**
* Add the specified context element to the container at the specified
* index.
*/
protected abstract C add(int index, C element);
/**
* Add context elements for the specified resource elements at the
* specified index.
*/
public Iterable<C> addContextElements(int index, Iterable<R> resourceElements) {
ArrayList<C> contextElements = new ArrayList<>();
for (R resourceElement : resourceElements) {
contextElements.add(this.adapter.buildContextElement(resourceElement));
}
return this.addAll(index, contextElements);
}
/**
* Add the specified context elements to the collection.
*/
protected abstract Iterable<C> addAll(int index, Iterable<C> contextElements);
/**
* Remove the specified context element from the container.
*/
public abstract void remove(C element);
/**
* Remove the specified context elements from the container.
*/
public abstract void removeAll(Iterable<C> contextElements);
protected abstract void move(int index, C element);
@Override
public String toString() {
return this.elements.toString();
}
/**
* Adapter used by the container to convert resource and context
* elements.
*/
public interface Adapter<C, R> {
/**
* Return the current list of resource elements.
* The context elements are synchronized with this list.
*/
Iterable<R> getResourceElements();
/**
* Return the specified context element's resource element.
* @see #buildContextElement(Object)
*/
R extractResourceElement(C contextElement);
/**
* Build a context element for the specified resource element.
* @see #extractResourceElement(Object)
*/
C buildContextElement(R resourceElement);
}
}
public abstract class AbstractContainerAdapter<C, R>
implements Container.Adapter<C, R>
{
@Override
public String toString() {
return ObjectTools.toString(this);
}
}
/**
* Adapter used to synchronize a collection of context models with the
* corresponding collection of resource models.
* @param <C> the type of context elements
* @param <R> the type of resource elements
*/
public abstract class ContextContainer<C extends JpaContextModel, R>
extends Container<C, R>
{
protected ContextContainer(String aspectName, Container.Adapter<C, R> adapter) {
super(aspectName, adapter);
}
/**
* Synchronize the context container with its
* corresponding resource container: moving, removing, and adding elements
* as necessary.
* <p>
* We can do this because:<ul>
* <li>the XML translators will <em>move</em> the EMF elements when
* appropriate (as opposed to simply rebuilding them in place).
* <li>the Java resource model will re-use existing annotations when
* appropriate (as opposed to simply rebuilding them in place).
* </ul>
*/
public void synchronizeWithResourceModel(IProgressMonitor monitor) {
this.sync(true, monitor); // true = sync
}
/**
* @see #synchronizeWithResourceModel(IProgressMonitor)
*/
public void update(IProgressMonitor monitor) {
this.sync(false, monitor); // false = update
}
/**
* The specified <code>sync</code> flag controls whether any surviving
* context nodes are either <em>synchronized</em> (<code>true</code>) or
* <em>updated</em> (<code>false</code>).
*/
protected void sync(boolean sync, IProgressMonitor monitor) {
@SuppressWarnings("unchecked")
HashSet<C> contextElements = (HashSet<C>) CollectionTools.hashSet(this.elements.toArray());
ArrayList<C> contextElementsToSync = new ArrayList<>(contextElements.size());
int resourceIndex = 0;
for (R resourceElement : this.adapter.getResourceElements()) {
boolean match = false;
for (Iterator<C> stream = contextElements.iterator(); stream.hasNext(); ) {
C contextElement = stream.next();
if (ObjectTools.equals(this.adapter.extractResourceElement(contextElement), resourceElement)) {
// we don't know the source index because the element has been moved by previously moved elements
this.move(resourceIndex, contextElement);
stream.remove();
// TODO perform update here someday...
contextElementsToSync.add(contextElement);
match = true;
break;
}
}
if ( ! match) {
// added elements are sync'ed during construction or will be
// updated during the next "update" (which is triggered by
// their addition to the model)
this.addContextElement(resourceIndex, resourceElement);
}
resourceIndex++;
}
// remove any leftover context elements
for (C contextElement : contextElements) {
this.remove(contextElement);
}
// TODO bjv
// take care of the structural changes before sync'ing the remaining elements;
// we might be able to do this inline once we get rid of the "list change" events
// and go with only add, remove, etc. list events
// (these syncs will trigger "list change" events with list aspect adapters, which
// trigger refreshes of UI adapters (e.g. TableModelAdapter) which will prematurely
// discover any structural changes... :( )
// see ItemAspectListValueModelAdapter.itemAspectChanged(EventObject)
for (C contextElement : contextElementsToSync) {
if (sync) {
contextElement.synchronizeWithResourceModel(monitor);
} else {
contextElement.update(monitor);
}
}
}
}
/**
* Adapter used to synchronize a <em>collection</em> of context models with the
* corresponding <em>collection</em> of resource models.
* @param <C> the type of context elements
* @param <R> the type of resource elements
*/
public abstract class ContextCollectionContainer<C extends JpaContextModel, R>
extends ContextContainer<C, R>
{
protected ContextCollectionContainer(String aspectName, Container.Adapter<C, R> adapter) {
super(aspectName, adapter);
}
@Override
protected C add(int index, C element) {
// ignore the index - not a list
AbstractJpaContextModel.this.addItemToCollection(element, this.elements, this.aspectName);
return element;
}
@Override
protected Iterable<C> addAll(int index, Iterable<C> contextElements) {
// ignore the index - not a list
AbstractJpaContextModel.this.addItemsToCollection(contextElements, this.elements, this.aspectName);
return contextElements;
}
@Override
public void remove(C element) {
AbstractJpaContextModel.this.removeItemFromCollection(element, this.elements, this.aspectName);
}
@Override
public void removeAll(Iterable<C> contextElements) {
AbstractJpaContextModel.this.removeItemsFromCollection(contextElements, this.elements, this.aspectName);
}
@Override
protected void move(int index, C element) {
// NOP - not a list
}
}
// open up accessibility to container classes
@Override
protected <E> boolean addItemToCollection(E item, Collection<E> collection, String collectionName) {
return super.addItemToCollection(item, collection, collectionName);
}
@Override
protected <E> boolean addItemsToCollection(Iterable<? extends E> items, Collection<E> collection, String collectionName) {
return super.addItemsToCollection(items, collection, collectionName);
}
@Override
protected boolean removeItemFromCollection(Object item, Collection<?> collection, String collectionName) {
return super.removeItemFromCollection(item, collection, collectionName);
}
@Override
protected boolean removeItemsFromCollection(Iterable<?> items, Collection<?> collection, String collectionName) {
return super.removeItemsFromCollection(items, collection, collectionName);
}
/**
* Use this container for a collection of <em>specified</em> elements.
* The container is initialized from the resource model upon construction.
* @see AbstractJpaContextModel.SpecifiedContextListContainer
* @see #buildSpecifiedContextCollectionContainer(String, AbstractJpaContextModel.Container.Adapter)
*/
public class SpecifiedContextCollectionContainer<C extends JpaContextModel, R>
extends ContextCollectionContainer<C, R>
{
public SpecifiedContextCollectionContainer(String aspectName, Container.Adapter<C, R> adapter) {
super(aspectName, adapter);
this.initialize();
}
}
protected <C extends JpaContextModel, R> SpecifiedContextCollectionContainer<C, R> buildSpecifiedContextCollectionContainer(String aspectName, Container.Adapter<C, R> adapter) {
return new SpecifiedContextCollectionContainer<>(aspectName, adapter);
}
/**
* Use this container for a collection of <em>virtual</em> elements
* (e.g. default elements).
* The container is <em>not</em> initialized from the resource model upon
* construction (i.e. the container will effectively be initialized with the
* first <em>update</em>).
* @see AbstractJpaContextModel.VirtualContextListContainer
* @see #buildVirtualContextCollectionContainer(String, AbstractJpaContextModel.Container.Adapter)
*/
public class VirtualContextCollectionContainer<C extends JpaContextModel, R>
extends ContextCollectionContainer<C, R>
{
public VirtualContextCollectionContainer(String aspectName, Container.Adapter<C, R> adapter) {
super(aspectName, adapter);
// NO initialization
}
}
protected <C extends JpaContextModel, R> VirtualContextCollectionContainer<C, R> buildVirtualContextCollectionContainer(String aspectName, Container.Adapter<C, R> adapter) {
return new VirtualContextCollectionContainer<>(aspectName, adapter);
}
/**
* Adapter used to synchronize a <em>list</em> of context models with the
* corresponding <em>list</em> of resource models.
* @param <C> the type of context elements
* @param <R> the type of resource elements
*/
public abstract class ContextListContainer<C extends JpaContextModel, R>
extends ContextContainer<C, R>
{
protected ContextListContainer(String aspectName, Container.Adapter<C, R> adapter) {
super(aspectName, adapter);
}
/**
* Return the index of the specified context element.
*/
public int indexOf(C element) {
return this.elements.indexOf(element);
}
@Override
protected C add(int index, C element) {
AbstractJpaContextModel.this.addItemToList(index, element, this.elements, this.aspectName);
return element;
}
@Override
public Iterable<C> addAll(int index, Iterable<C> contextElements) {
AbstractJpaContextModel.this.addItemsToList(index, contextElements, this.elements, this.aspectName);
return contextElements;
}
/**
* Move the context element at the specified source index to the
* specified target index.
*/
public void move(int targetIndex, int sourceIndex) {
AbstractJpaContextModel.this.moveItemInList(targetIndex, sourceIndex, this.elements, this.aspectName);
}
@Override
public void move(int index, C element) {
AbstractJpaContextModel.this.moveItemInList(index, element, this.elements, this.aspectName);
}
/**
* Clear the container.
*/
public void clear() {
AbstractJpaContextModel.this.clearList(this.elements, this.aspectName);
}
/**
* Remove the context element at the specified index from the container.
*/
public C remove(int index) {
return AbstractJpaContextModel.this.removeItemFromList(index, this.elements, this.aspectName);
}
@Override
public void remove(C element) {
AbstractJpaContextModel.this.removeItemFromList(element, this.elements, this.aspectName);
}
@Override
public void removeAll(Iterable<C> contextElements) {
AbstractJpaContextModel.this.removeItemsFromList(contextElements, this.elements, this.aspectName);
}
}
// open up accessibility to container classes
@Override
protected <E> void addItemToList(int index, E item, List<E> list, String listName) {
super.addItemToList(index, item, list, listName);
}
@Override
protected <E> boolean addItemsToList(int index, Iterable<? extends E> items, List<E> list, String listName) {
return super.addItemsToList(index, items, list, listName);
}
@Override
protected <E> void moveItemInList(int targetIndex, int sourceIndex, List<E> list, String listName) {
super.moveItemInList(targetIndex, sourceIndex, list, listName);
}
@Override
protected <E> void moveItemInList(int targetIndex, E item, List<E> list, String listName) {
super.moveItemInList(targetIndex, item, list, listName);
}
@Override
protected boolean clearList(List<?> list, String listName) {
return super.clearList(list, listName);
}
@Override
protected <E> E removeItemFromList(int index, List<E> list, String listName) {
return super.removeItemFromList(index, list, listName);
}
@Override
protected boolean removeItemFromList(Object item, List<?> list, String listName) {
return super.removeItemFromList(item, list, listName);
}
@Override
protected boolean removeItemsFromList(Iterable<?> items, List<?> list, String listName) {
return super.removeItemsFromList(items, list, listName);
}
/**
* @see AbstractJpaContextModel.SpecifiedContextCollectionContainer
* @see #buildSpecifiedContextListContainer(String, AbstractJpaContextModel.Container.Adapter)
*/
public class SpecifiedContextListContainer<C extends JpaContextModel, R>
extends ContextListContainer<C, R>
{
public SpecifiedContextListContainer(String aspectName, Container.Adapter<C, R> adapter) {
super(aspectName, adapter);
this.initialize();
}
}
protected <C extends JpaContextModel, R> SpecifiedContextListContainer<C, R> buildSpecifiedContextListContainer(String aspectName, Container.Adapter<C, R> adapter) {
return new SpecifiedContextListContainer<>(aspectName, adapter);
}
/**
* @see AbstractJpaContextModel.VirtualContextCollectionContainer
* @see #buildVirtualContextListContainer(String, AbstractJpaContextModel.Container.Adapter)
*/
public class VirtualContextListContainer<C extends JpaContextModel, R>
extends ContextListContainer<C, R>
{
public VirtualContextListContainer(String aspectName, Container.Adapter<C, R> adapter) {
super(aspectName, adapter);
// NO initialization
}
}
protected <C extends JpaContextModel, R> VirtualContextListContainer<C, R> buildVirtualContextListContainer(String aspectName, Container.Adapter<C, R> adapter) {
return new VirtualContextListContainer<>(aspectName, adapter);
}
/**
* Adapter used to synchronize a <em>list</em> of context values with the
* corresponding list of resource values. The assumption is the values are
* equal in each model (e.g. {@link String}s).
* @param <E> the type of context elements
*/
public abstract class ValueListContainer<E>
extends Container<E, E>
{
protected ValueListContainer(String aspectName, Container.Adapter<E, E> adapter) {
super(aspectName, adapter);
}
/**
* Return the index of the specified context element.
*/
public int indexOf(E element) {
return this.elements.indexOf(element);
}
@Override
protected E add(int index, E element) {
AbstractJpaContextModel.this.addItemToList(index, element, this.elements, this.aspectName);
return element;
}
@Override
protected Iterable<E> addAll(int index, Iterable<E> contextElements) {
AbstractJpaContextModel.this.addItemsToList(index, contextElements, this.elements, this.aspectName);
return contextElements;
}
/**
* Move the context element at the specified source index to the
* specified target index.
*/
public void move(int targetIndex, int sourceIndex) {
AbstractJpaContextModel.this.moveItemInList(targetIndex, sourceIndex, this.elements, this.aspectName);
}
@Override
public void move(int index, E element) {
AbstractJpaContextModel.this.moveItemInList(index, element, this.elements, this.aspectName);
}
@Override
public void remove(E element) {
AbstractJpaContextModel.this.removeItemFromList(element, this.elements, this.aspectName);
}
/**
* Remove the context element at the specified index from the container.
*/
public E remove(int index) {
return AbstractJpaContextModel.this.removeItemFromList(index, this.elements, this.aspectName);
}
@Override
public void removeAll(Iterable<E> contextElements) {
AbstractJpaContextModel.this.removeItemsFromList(contextElements, this.elements, this.aspectName);
}
public void synchronizeWithResourceModel() {
int resourceIndex = 0;
// TODO we don't look for any moves, just simple adds and removes
for (E resourceElement : this.adapter.getResourceElements()) {
if (this.size() > resourceIndex) {
E contextElement = this.get(resourceIndex);
if (ObjectTools.notEquals(this.adapter.extractResourceElement(contextElement), resourceElement)) {
this.addContextElement(resourceIndex, resourceElement);
}
} else {
this.addContextElement(resourceIndex, resourceElement);
}
resourceIndex++;
}
while (resourceIndex < this.size()) {
this.remove(resourceIndex++);
}
}
}
}
