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/*******************************************************************************
* Copyright (c) 2000, 2004 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.pde.core;
/**
* This event will be delivered to all model provider listeners when a model
* managed by the model provider changes in some way.
*
* @since 2.0
*/
public interface IModelProviderEvent {
/**
* Event is sent after the models have been added.
*/
int MODELS_ADDED = 0x1;
/**
* Event is sent before the models will be removed.
*/
int MODELS_REMOVED = 0x2;
/**
* Event is sent after the models have been changed.
*/
int MODELS_CHANGED = 0x4;
/**
* Event is sent when the target platform changes
*
* @since 3.2
*/
int TARGET_CHANGED = 0x8;
/**
* Returns the models that are added
*
* @return the models that have been added or an empty array
*/
IModel[] getAddedModels();
/**
* Returns the models that are removed
*
* @return the models that have been removed or an empty array
*/
IModel[] getRemovedModels();
/**
* Returns the models that has changed
*
* @return the models that has changed or an empty array
*/
IModel[] getChangedModels();
/**
* Returns the combination of flags indicating type of event. In case of
* multiple changes, flags are ORed together. (a combination of
* MODEL_CHANGED, MODEL_ADDED, MODEL_REMOVED)
*
* @return the model change type
*/
int getEventTypes();
/**
* Returns the object that fired this event.
*/
Object getEventSource();
}
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