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/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package com.badlogic.gdx.assets.loaders;

import com.badlogic.gdx.assets.AssetLoaderParameters;
import com.badlogic.gdx.assets.AssetManager;

/**
 * Base class for asynchronous {@link AssetLoader} instances. Such loaders
 * try to load parts of an OpenGL resource, like the Pixmap, on a separate
 * thread to then load the actual resource on the thread the OpenGL context
 * is active on.
 * @author mzechner
 *
 * @param 
 * @param 
 */
public abstract class AsynchronousAssetLoader> extends AssetLoader {

	public AsynchronousAssetLoader (FileHandleResolver resolver) {
		super(resolver);
	}

	/**
	 * Loads the non-OpenGL part of the asset and injects any dependencies of the asset
	 * into the AssetManager.
	 * @param manager
	 * @param fileName the name of the asset to load
	 * @param parameter the parameters to use for loading the asset
	 */
	public abstract void loadAsync (AssetManager manager, String fileName, P parameter);

	/**
	 * Loads th
	 * @param manager
	 * @param fileName
	 * @param parameter
	 */
	public abstract T loadSync (AssetManager manager, String fileName, P parameter);
}