diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/AbstractModel.java')
| -rw-r--r-- | jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/AbstractModel.java | 740 |
1 files changed, 0 insertions, 740 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/AbstractModel.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/AbstractModel.java deleted file mode 100644 index 35e58867e5..0000000000 --- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/AbstractModel.java +++ /dev/null @@ -1,740 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2007, 2009 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.utility.internal.model; - -import java.io.Serializable; -import java.util.Collection; -import java.util.Iterator; -import java.util.List; - -import org.eclipse.jpt.utility.internal.StringTools; -import org.eclipse.jpt.utility.model.Model; -import org.eclipse.jpt.utility.model.event.CollectionChangeEvent; -import org.eclipse.jpt.utility.model.event.ListChangeEvent; -import org.eclipse.jpt.utility.model.event.PropertyChangeEvent; -import org.eclipse.jpt.utility.model.event.StateChangeEvent; -import org.eclipse.jpt.utility.model.event.TreeChangeEvent; -import org.eclipse.jpt.utility.model.listener.CollectionChangeListener; -import org.eclipse.jpt.utility.model.listener.ListChangeListener; -import org.eclipse.jpt.utility.model.listener.PropertyChangeListener; -import org.eclipse.jpt.utility.model.listener.StateChangeListener; -import org.eclipse.jpt.utility.model.listener.TreeChangeListener; - -/** - * Convenience implementation of Model protocol. - */ -public abstract class AbstractModel - implements Model, Serializable -{ - /** - * Delegate state/property/collection/list/tree change support to this - * helper object. The change support object is "lazily-initialized"; - * so it may be null. The method #getChangeSupport() will initialize this - * field if it is null. - * - * NB: We instantiate this when we fire events, even when we do not have - * any listeners (which would be implied if 'changeSupport' were null). - * This allows the change support to have behavior tied to events even when - * we have no listeners. - * @see ChangeSupport#aspectChanged(String) - */ - protected ChangeSupport changeSupport; - - - // ********** constructors/initialization ********** - - /** - * Default constructor. - */ - protected AbstractModel() { - super(); - } - - /** - * This accessor will build the change support when required. - * This only helps reduce the footprint of a model that neither has any - * listeners added to it nor ever changes (fires any events). - */ - protected synchronized ChangeSupport getChangeSupport() { - if (this.changeSupport == null) { - this.changeSupport = this.buildChangeSupport(); - } - return this.changeSupport; - } - - /** - * Allow subclasses to tweak the change support used. - */ - protected ChangeSupport buildChangeSupport() { - return new ChangeSupport(this); - } - - - // ********** state change support ********** - - public void addStateChangeListener(StateChangeListener listener) { - this.getChangeSupport().addStateChangeListener(listener); - } - - public void removeStateChangeListener(StateChangeListener listener) { - this.getChangeSupport().removeStateChangeListener(listener); - } - - /** - * Return whether the model has any state change listeners. - */ - public boolean hasAnyStateChangeListeners() { - return (this.changeSupport != null) && this.changeSupport.hasAnyStateChangeListeners(); - } - - /** - * Return whether the model has no state change listeners. - */ - public boolean hasNoStateChangeListeners() { - return ! this.hasAnyStateChangeListeners(); - } - - protected final void fireStateChanged(StateChangeEvent event) { - this.getChangeSupport().fireStateChanged(event); - } - - protected final void fireStateChanged() { - this.getChangeSupport().fireStateChanged(); - } - - - // ********** property change support ********** - - public void addPropertyChangeListener(PropertyChangeListener listener) { - this.getChangeSupport().addPropertyChangeListener(listener); - } - - public void addPropertyChangeListener(String propertyName, PropertyChangeListener listener) { - this.getChangeSupport().addPropertyChangeListener(propertyName, listener); - } - - public void removePropertyChangeListener(PropertyChangeListener listener) { - this.getChangeSupport().removePropertyChangeListener(listener); - } - - public void removePropertyChangeListener(String propertyName, PropertyChangeListener listener) { - this.getChangeSupport().removePropertyChangeListener(propertyName, listener); - } - - /** - * Return whether the model has any property change listeners that will - * be notified when the specified property has changed. - */ - public boolean hasAnyPropertyChangeListeners(String propertyName) { - return (this.changeSupport != null) && this.changeSupport.hasAnyPropertyChangeListeners(propertyName); - } - - /** - * Return whether the model has no property change listeners that will - * be notified when the specified property has changed. - */ - public boolean hasNoPropertyChangeListeners(String propertyName) { - return ! this.hasAnyPropertyChangeListeners(propertyName); - } - - /** - * Return whether the model has any property change listeners that will - * be notified when any property has changed. - */ - public boolean hasAnyPropertyChangeListeners() { - return (this.changeSupport != null) && this.changeSupport.hasAnyPropertyChangeListeners(); - } - - /** - * Return whether the model has no property change listeners that will - * be notified when any property has changed. - */ - public boolean hasNoPropertyChangeListeners() { - return ! this.hasAnyPropertyChangeListeners(); - } - - protected final void firePropertyChanged(PropertyChangeEvent event) { - this.getChangeSupport().firePropertyChanged(event); - } - - protected final void firePropertyChanged(String propertyName, Object oldValue, Object newValue) { - this.getChangeSupport().firePropertyChanged(propertyName, oldValue, newValue); - } - - protected final void firePropertyChanged(String propertyName, int oldValue, int newValue) { - this.getChangeSupport().firePropertyChanged(propertyName, oldValue, newValue); - } - - protected final void firePropertyChanged(String propertyName, boolean oldValue, boolean newValue) { - this.getChangeSupport().firePropertyChanged(propertyName, oldValue, newValue); - } - - /** - * implied 'null' old value - */ - protected final void firePropertyChanged(String propertyName, Object newValue) { - this.firePropertyChanged(propertyName, null, newValue); - } - - - // ********** collection change support ********** - - public void addCollectionChangeListener(CollectionChangeListener listener) { - this.getChangeSupport().addCollectionChangeListener(listener); - } - - public void addCollectionChangeListener(String collectionName, CollectionChangeListener listener) { - this.getChangeSupport().addCollectionChangeListener(collectionName, listener); - } - - public void removeCollectionChangeListener(CollectionChangeListener listener) { - this.getChangeSupport().removeCollectionChangeListener(listener); - } - - public void removeCollectionChangeListener(String collectionName, CollectionChangeListener listener) { - this.getChangeSupport().removeCollectionChangeListener(collectionName, listener); - } - - /** - * Return whether the model has any collection change listeners that will - * be notified when the specified collection has changed. - */ - public boolean hasAnyCollectionChangeListeners(String collectionName) { - return (this.changeSupport != null) && this.changeSupport.hasAnyCollectionChangeListeners(collectionName); - } - - /** - * Return whether the model has no collection change listeners that will - * be notified when the specified collection has changed. - */ - public boolean hasNoCollectionChangeListeners(String collectionName) { - return ! this.hasAnyCollectionChangeListeners(collectionName); - } - - /** - * Return whether the model has any collection change listeners that will - * be notified when any collection has changed. - */ - public boolean hasAnyCollectionChangeListeners() { - return (this.changeSupport != null) && this.changeSupport.hasAnyCollectionChangeListeners(); - } - - /** - * Return whether the model has no collection change listeners that will - * be notified when any collection has changed. - */ - public boolean hasNoCollectionChangeListeners() { - return ! this.hasAnyCollectionChangeListeners(); - } - - protected final void fireItemsAdded(CollectionChangeEvent event) { - this.getChangeSupport().fireItemsAdded(event); - } - - protected final void fireItemsAdded(String collectionName, Collection<?> addedItems) { - this.getChangeSupport().fireItemsAdded(collectionName, addedItems); - } - - protected final void fireItemAdded(String collectionName, Object addedItem) { - this.getChangeSupport().fireItemAdded(collectionName, addedItem); - } - - protected final void fireItemsRemoved(CollectionChangeEvent event) { - this.getChangeSupport().fireItemsRemoved(event); - } - - protected final void fireItemsRemoved(String collectionName, Collection<?> removedItems) { - this.getChangeSupport().fireItemsRemoved(collectionName, removedItems); - } - - protected final void fireItemRemoved(String collectionName, Object removedItem) { - this.getChangeSupport().fireItemRemoved(collectionName, removedItem); - } - - protected final void fireCollectionCleared(CollectionChangeEvent event) { - this.getChangeSupport().fireCollectionCleared(event); - } - - protected final void fireCollectionCleared(String collectionName) { - this.getChangeSupport().fireCollectionCleared(collectionName); - } - - protected final void fireCollectionChanged(CollectionChangeEvent event) { - this.getChangeSupport().fireCollectionChanged(event); - } - - protected final void fireCollectionChanged(String collectionName) { - this.getChangeSupport().fireCollectionChanged(collectionName); - } - - protected <E> boolean addItemToCollection(E item, Collection<E> collection, String collectionName) { - return this.getChangeSupport().addItemToCollection(item, collection, collectionName); - } - - protected <E> boolean addItemsToCollection(E[] items, Collection<E> collection, String collectionName) { - return this.getChangeSupport().addItemsToCollection(items, collection, collectionName); - } - - protected <E> boolean addItemsToCollection(Collection<? extends E> items, Collection<E> collection, String collectionName) { - return this.getChangeSupport().addItemsToCollection(items, collection, collectionName); - } - - protected <E> boolean addItemsToCollection(Iterable<? extends E> items, Collection<E> collection, String collectionName) { - return this.getChangeSupport().addItemsToCollection(items, collection, collectionName); - } - - protected <E> boolean addItemsToCollection(Iterator<? extends E> items, Collection<E> collection, String collectionName) { - return this.getChangeSupport().addItemsToCollection(items, collection, collectionName); - } - - protected boolean removeItemFromCollection(Object item, Collection<?> collection, String collectionName) { - return this.getChangeSupport().removeItemFromCollection(item, collection, collectionName); - } - - protected boolean removeItemsFromCollection(Object[] items, Collection<?> collection, String collectionName) { - return this.getChangeSupport().removeItemsFromCollection(items, collection, collectionName); - } - - protected boolean removeItemsFromCollection(Collection<?> items, Collection<?> collection, String collectionName) { - return this.getChangeSupport().removeItemsFromCollection(items, collection, collectionName); - } - - protected boolean removeItemsFromCollection(Iterable<?> items, Collection<?> collection, String collectionName) { - return this.getChangeSupport().removeItemsFromCollection(items, collection, collectionName); - } - - protected boolean removeItemsFromCollection(Iterator<?> items, Collection<?> collection, String collectionName) { - return this.getChangeSupport().removeItemsFromCollection(items, collection, collectionName); - } - - protected boolean retainItemsInCollection(Object[] items, Collection<?> collection, String collectionName) { - return this.getChangeSupport().retainItemsInCollection(items, collection, collectionName); - } - - protected boolean retainItemsInCollection(Collection<?> items, Collection<?> collection, String collectionName) { - return this.getChangeSupport().retainItemsInCollection(items, collection, collectionName); - } - - protected boolean retainItemsInCollection(Iterable<?> items, Collection<?> collection, String collectionName) { - return this.getChangeSupport().retainItemsInCollection(items, collection, collectionName); - } - - protected boolean retainItemsInCollection(Iterator<?> items, Collection<?> collection, String collectionName) { - return this.getChangeSupport().retainItemsInCollection(items, collection, collectionName); - } - - protected boolean clearCollection(Collection<?> collection, String collectionName) { - return this.getChangeSupport().clearCollection(collection, collectionName); - } - - protected <E> boolean synchronizeCollection(Collection<E> newCollection, Collection<E> collection, String collectionName) { - return this.getChangeSupport().synchronizeCollection(newCollection, collection, collectionName); - } - - protected <E> boolean synchronizeCollection(Iterator<E> newCollection, Collection<E> collection, String collectionName) { - return this.getChangeSupport().synchronizeCollection(newCollection, collection, collectionName); - } - - - // ********** list change support ********** - - public void addListChangeListener(ListChangeListener listener) { - this.getChangeSupport().addListChangeListener(listener); - } - - public void addListChangeListener(String listName, ListChangeListener listener) { - this.getChangeSupport().addListChangeListener(listName, listener); - } - - public void removeListChangeListener(ListChangeListener listener) { - this.getChangeSupport().removeListChangeListener(listener); - } - - public void removeListChangeListener(String listName, ListChangeListener listener) { - this.getChangeSupport().removeListChangeListener(listName, listener); - } - - /** - * Return whether the model has any list change listeners that will - * be notified when the specified list has changed. - */ - public boolean hasAnyListChangeListeners(String listName) { - return (this.changeSupport != null) && this.changeSupport.hasAnyListChangeListeners(listName); - } - - /** - * Return whether the model has no list change listeners that will - * be notified when the specified list has changed. - */ - public boolean hasNoListChangeListeners(String listName) { - return ! this.hasAnyListChangeListeners(listName); - } - - /** - * Return whether the model has any list change listeners that will - * be notified when any list has changed. - */ - public boolean hasAnyListChangeListeners() { - return (this.changeSupport != null) && this.changeSupport.hasAnyListChangeListeners(); - } - - /** - * Return whether the model has no list change listeners that will - * be notified when any list has changed. - */ - public boolean hasNoListChangeListeners() { - return ! this.hasAnyListChangeListeners(); - } - - protected final void fireItemsAdded(ListChangeEvent event) { - this.getChangeSupport().fireItemsAdded(event); - } - - protected final void fireItemsAdded(String listName, int index, List<?> addedItems) { - this.getChangeSupport().fireItemsAdded(listName, index, addedItems); - } - - protected final void fireItemAdded(String listName, int index, Object addedItem) { - this.getChangeSupport().fireItemAdded(listName, index, addedItem); - } - - protected final void fireItemsRemoved(ListChangeEvent event) { - this.getChangeSupport().fireItemsRemoved(event); - } - - protected final void fireItemsRemoved(String listName, int index, List<?> removedItems) { - this.getChangeSupport().fireItemsRemoved(listName, index, removedItems); - } - - protected final void fireItemRemoved(String listName, int index, Object removedItem) { - this.getChangeSupport().fireItemRemoved(listName, index, removedItem); - } - - protected final void fireItemsReplaced(ListChangeEvent event) { - this.getChangeSupport().fireItemsReplaced(event); - } - - protected final <E> void fireItemsReplaced(String listName, int index, List<? extends E> newItems, List<E> replacedItems) { - this.getChangeSupport().fireItemsReplaced(listName, index, newItems, replacedItems); - } - - protected final void fireItemReplaced(String listName, int index, Object newItem, Object replacedItem) { - this.getChangeSupport().fireItemReplaced(listName, index, newItem, replacedItem); - } - - protected final void fireItemsMoved(ListChangeEvent event) { - this.getChangeSupport().fireItemsMoved(event); - } - - protected final <E> void fireItemsMoved(String listName, int targetIndex, int sourceIndex, int length) { - this.getChangeSupport().fireItemsMoved(listName, targetIndex, sourceIndex, length); - } - - protected final void fireItemMoved(String listName, int targetIndex, int sourceIndex) { - this.getChangeSupport().fireItemMoved(listName, targetIndex, sourceIndex); - } - - protected final void fireListCleared(ListChangeEvent event) { - this.getChangeSupport().fireListCleared(event); - } - - protected final void fireListCleared(String listName) { - this.getChangeSupport().fireListCleared(listName); - } - - protected final void fireListChanged(ListChangeEvent event) { - this.getChangeSupport().fireListChanged(event); - } - - protected final void fireListChanged(String listName) { - this.getChangeSupport().fireListChanged(listName); - } - - protected <E> void addItemToList(int index, E item, List<E> list, String listName) { - this.getChangeSupport().addItemToList(index, item, list, listName); - } - - protected <E> boolean addItemToList(E item, List<E> list, String listName) { - return this.getChangeSupport().addItemToList(item, list, listName); - } - - protected <E> boolean addItemsToList(int index, E[] items, List<E> list, String listName) { - return this.getChangeSupport().addItemsToList(index, items, list, listName); - } - - protected <E> boolean addItemsToList(int index, Collection<? extends E> items, List<E> list, String listName) { - return this.getChangeSupport().addItemsToList(index, items, list, listName); - } - - protected <E> boolean addItemsToList(int index, Iterable<? extends E> items, List<E> list, String listName) { - return this.getChangeSupport().addItemsToList(index, items, list, listName); - } - - protected <E> boolean addItemsToList(int index, Iterator<? extends E> items, List<E> list, String listName) { - return this.getChangeSupport().addItemsToList(index, items, list, listName); - } - - protected <E> boolean addItemsToList(E[] items, List<E> list, String listName) { - return this.getChangeSupport().addItemsToList(items, list, listName); - } - - protected <E> boolean addItemsToList(Collection<? extends E> items, List<E> list, String listName) { - return this.getChangeSupport().addItemsToList(items, list, listName); - } - - protected <E> boolean addItemsToList(Iterable<? extends E> items, List<E> list, String listName) { - return this.getChangeSupport().addItemsToList(items, list, listName); - } - - protected <E> boolean addItemsToList(Iterator<? extends E> items, List<E> list, String listName) { - return this.getChangeSupport().addItemsToList(items, list, listName); - } - - protected <E> E removeItemFromList(int index, List<E> list, String listName) { - return this.getChangeSupport().removeItemFromList(index, list, listName); - } - - protected boolean removeItemFromList(Object item, List<?> list, String listName) { - return this.getChangeSupport().removeItemFromList(item, list, listName); - } - - protected <E> List<E> removeItemsFromList(int index, int length, List<E> list, String listName) { - return this.getChangeSupport().removeItemsFromList(index, length, list, listName); - } - - protected boolean removeItemsFromList(Object[] items, List<?> list, String listName) { - return this.getChangeSupport().removeItemsFromList(items, list, listName); - } - - protected boolean removeItemsFromList(Collection<?> items, List<?> list, String listName) { - return this.getChangeSupport().removeItemsFromList(items, list, listName); - } - - protected boolean removeItemsFromList(Iterable<?> items, List<?> list, String listName) { - return this.getChangeSupport().removeItemsFromList(items, list, listName); - } - - protected boolean removeItemsFromList(Iterator<?> items, List<?> list, String listName) { - return this.getChangeSupport().removeItemsFromList(items, list, listName); - } - - protected boolean retainItemsInList(Object[] items, List<?> list, String listName) { - return this.getChangeSupport().retainItemsInList(items, list, listName); - } - - protected boolean retainItemsInList(Collection<?> items, List<?> list, String listName) { - return this.getChangeSupport().retainItemsInList(items, list, listName); - } - - protected boolean retainItemsInList(Iterable<?> items, List<?> list, String listName) { - return this.getChangeSupport().retainItemsInList(items, list, listName); - } - - protected boolean retainItemsInList(Iterator<?> items, List<?> list, String listName) { - return this.getChangeSupport().retainItemsInList(items, list, listName); - } - - protected <E> E setItemInList(int index, E item, List<E> list, String listName) { - return this.getChangeSupport().setItemInList(index, item, list, listName); - } - - protected <E> int replaceItemInList(E oldItem, E newItem, List<E> list, String listName) { - return this.getChangeSupport().replaceItemInList(oldItem, newItem, list, listName); - } - - protected <E> List<E> setItemsInList(int index, E[] items, List<E> list, String listName) { - return this.getChangeSupport().setItemsInList(index, items, list, listName); - } - - protected <E> List<E> setItemsInList(int index, List<? extends E> items, List<E> list, String listName) { - return this.getChangeSupport().setItemsInList(index, items, list, listName); - } - - protected <E> void moveItemsInList(int targetIndex, int sourceIndex, int length, List<E> list, String listName) { - this.getChangeSupport().moveItemsInList(targetIndex, sourceIndex, length, list, listName); - } - - protected <E> void moveItemInList(int targetIndex, int sourceIndex, List<E> list, String listName) { - this.getChangeSupport().moveItemInList(targetIndex, sourceIndex, list, listName); - } - - protected boolean clearList(List<?> list, String listName) { - return this.getChangeSupport().clearList(list, listName); - } - - protected <E> boolean synchronizeList(List<E> newList, List<E> list, String listName) { - return this.getChangeSupport().synchronizeList(newList, list, listName); - } - - protected <E> boolean synchronizeList(Iterator<E> newList, List<E> list, String listName) { - return this.getChangeSupport().synchronizeList(newList, list, listName); - } - - - // ********** tree change support ********** - - public void addTreeChangeListener(TreeChangeListener listener) { - this.getChangeSupport().addTreeChangeListener(listener); - } - - public void addTreeChangeListener(String treeName, TreeChangeListener listener) { - this.getChangeSupport().addTreeChangeListener(treeName, listener); - } - - public void removeTreeChangeListener(TreeChangeListener listener) { - this.getChangeSupport().removeTreeChangeListener(listener); - } - - public void removeTreeChangeListener(String treeName, TreeChangeListener listener) { - this.getChangeSupport().removeTreeChangeListener(treeName, listener); - } - - /** - * Return whether the model has any tree change listeners that will - * be notified when the specified tree has changed. - */ - public boolean hasAnyTreeChangeListeners(String treeName) { - return (this.changeSupport != null) && this.changeSupport.hasAnyTreeChangeListeners(treeName); - } - - /** - * Return whether the model has no tree change listeners that will - * be notified when the specified tree has changed. - */ - public boolean hasNoTreeChangeListeners(String treeName) { - return ! this.hasAnyTreeChangeListeners(treeName); - } - - /** - * Return whether the model has any tree change listeners that will - * be notified when any tree has changed. - */ - public boolean hasAnyTreeChangeListeners() { - return (this.changeSupport != null) && this.changeSupport.hasAnyTreeChangeListeners(); - } - - /** - * Return whether the model has no tree change listeners that will - * be notified when any tree has changed. - */ - public boolean hasNoTreeChangeListeners() { - return ! this.hasAnyTreeChangeListeners(); - } - - protected final void fireNodeAdded(TreeChangeEvent event) { - this.getChangeSupport().fireNodeAdded(event); - } - - protected final void fireNodeAdded(String treeName, Object[] path) { - this.getChangeSupport().fireNodeAdded(treeName, path); - } - - protected final void fireNodeRemoved(TreeChangeEvent event) { - this.getChangeSupport().fireNodeRemoved(event); - } - - protected final void fireNodeRemoved(String treeName, Object[] path) { - this.getChangeSupport().fireNodeRemoved(treeName, path); - } - - protected final void fireTreeCleared(TreeChangeEvent event) { - this.getChangeSupport().fireTreeCleared(event); - } - - protected final void fireTreeCleared(String treeName, Object[] path) { - this.getChangeSupport().fireTreeCleared(treeName, path); - } - - protected final void fireTreeCleared(String treeName) { - this.getChangeSupport().fireTreeCleared(treeName); - } - - protected final void fireTreeChanged(TreeChangeEvent event) { - this.getChangeSupport().fireTreeChanged(event); - } - - protected final void fireTreeChanged(String treeName, Object[] path) { - this.getChangeSupport().fireTreeChanged(treeName, path); - } - - protected final void fireTreeChanged(String treeName) { - this.getChangeSupport().fireTreeChanged(treeName); - } - - - // ********** convenience methods ********** - - /** - * Return whether the values are equal, with the appropriate null checks. - * Convenience method for checking whether an attribute value has changed. - * - * DO NOT use this to determine whether to fire a change notification, - * ChangeSupport already does that. - */ - protected final boolean valuesAreEqual(Object value1, Object value2) { - return this.getChangeSupport().valuesAreEqual(value1, value2); - } - protected final boolean attributeValueHasNotChanged(Object oldValue, Object newValue) { - return this.valuesAreEqual(oldValue, newValue); - } - - - /** - * Return whether the values are different, with the appropriate null checks. - * Convenience method for checking whether an attribute value has changed. - * - * DO NOT use this to determine whether to fire a change notification, - * ChangeSupport already does that. - * - * For example, after firing the change notification, you can use this method - * to decide if some other, related, piece of state needs to be synchronized - * with the state that just changed. - */ - protected final boolean valuesAreDifferent(Object value1, Object value2) { - return this.getChangeSupport().valuesAreDifferent(value1, value2); - } - protected final boolean attributeValueHasChanged(Object oldValue, Object newValue) { - return this.valuesAreDifferent(oldValue, newValue); - } - - - // ********** Object overrides ********** - - /** - * Although cloning models is usually not a Good Idea, - * we should at least support it properly. - */ - @Override - protected AbstractModel clone() throws CloneNotSupportedException { - AbstractModel clone = (AbstractModel) super.clone(); - // clear out change support - models do not share listeners - clone.changeSupport = null; - return clone; - } - - @Override - public String toString() { - StringBuilder sb = new StringBuilder(); - StringTools.buildSimpleToStringOn(this, sb); - sb.append(" ("); //$NON-NLS-1$ - this.toString(sb); - sb.append(')'); - return sb.toString(); - } - - /** - * make this public so one model can call a nested model's - * #toString(StringBuilder) - */ - public void toString(@SuppressWarnings("unused") StringBuilder sb) { - // subclasses should override this to do something a bit more helpful - } - -} |