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/*
* Copyright (c) 2009-2010 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.asset;
/**
* <code>AssetEventListener</code> is an interface for listening to various
* events happening inside {@link AssetManager}. For now, it is possible
* to receive an event when an asset has been requested
* (one of the AssetManager.load***() methods were called), or when
* an asset has been loaded.
*
* @author Kirill Vainer
*/
public interface AssetEventListener {
/**
* Called when an asset has been successfully loaded (e.g: loaded from
* file system and parsed).
*
* @param key the AssetKey for the asset loaded.
*/
public void assetLoaded(AssetKey key);
/**
* Called when an asset has been requested (e.g any of the load*** methods
* in AssetManager are called).
* In contrast to the assetLoaded() method, this one will be called even
* if the asset has failed to load, or if it was retrieved from the cache.
*
* @param key
*/
public void assetRequested(AssetKey key);
/**
* Called when an asset dependency cannot be found for an asset.
* When an asset is loaded, each of its dependent assets that
* have failed to load due to a {@link AssetNotFoundException}, will cause
* an invocation of this callback.
*
* @param parentKey The key of the parent asset that is being loaded
* from within the user application.
* @param dependentAssetKey The asset key of the dependent asset that has
* failed to load.
*/
public void assetDependencyNotFound(AssetKey parentKey, AssetKey dependentAssetKey);
}
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