| /******************************************************************************* |
| * Copyright (c) 2005 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 Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.debug.internal.ui.memory; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.Preferences.IPropertyChangeListener; |
| |
| /** |
| * Represents an element that is capable of persisting properties. |
| * @since 3.2 |
| */ |
| public interface IPersistableDebugElement { |
| |
| /** |
| * Return the property with the specified propertyId. |
| * @param context is the context who is asking for this property. |
| * @param propertyId is the property id of the property. |
| * @return the value of the specified property |
| * @throws CoreException when an error has occurred getting this property |
| */ |
| public Object getProperty(Object context, String propertyId) throws CoreException; |
| |
| /** |
| * Sets the property with the specified propertyId. Clients are expected |
| * to save the properties specified. |
| * @param context is the context who is asking for this property to be saved. |
| * @param propertyId is the id of the property to be saved |
| * @param value is the value of the property |
| * @throws CoreException when an error has occurred setting this property |
| */ |
| public void setProperty(Object context, String propertyId, Object value) throws CoreException; |
| |
| /** |
| * @param context is the contex who is asking if this property is supported |
| * @param propertyId |
| * @return true if the peristable debug element wishes to handle persistence of |
| * the specified property. |
| */ |
| public boolean supportsProperty(Object context, String propertyId); |
| |
| /** |
| * Add the property change listener to the persistable. The listener will |
| * be notified when properties have changed from the peristable element. |
| * @param listener is the listener to add |
| */ |
| public void addPropertyChangeListener(IPropertyChangeListener listener); |
| |
| /** |
| * Remove the property change listener from the persistable. The listener will |
| * no longer be notified when properties are changed from the persistable element. |
| * @param listener is the listener to remove |
| */ |
| public void removePropertyChangeListener(IPropertyChangeListener listener); |
| } |