/**
 *  Copyright 2014-2016 CyberVision, Inc.
 *
 *  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 org.kaaproject.kaa.demo.smarthousedemo.command.music;

import java.util.Map;

import org.kaaproject.kaa.demo.smarthouse.music.MusicEventClassFamily;
import org.kaaproject.kaa.demo.smarthousedemo.command.EndpointCommandKey;
import org.kaaproject.kaa.demo.smarthousedemo.concurrent.BlockingCallable;

public abstract class AbstractPlayerCommand<V> extends BlockingCallable<V> {
    
    private final Map<EndpointCommandKey, BlockingCallable<?>> commandMap;
    protected final MusicEventClassFamily players;
    protected final String endpontKey;
    protected final Class<V> clazz;
    
    AbstractPlayerCommand(Map<EndpointCommandKey, BlockingCallable<?>> commandMap, 
            MusicEventClassFamily players,
            String endpontKey, 
            Class<V> clazz) {
        this.commandMap = commandMap;
        this.players = players;
        this.endpontKey = endpontKey;
        this.clazz = clazz;
    }
    
    @Override
    protected void executeAsync() {
        EndpointCommandKey key = new EndpointCommandKey(clazz.getName(), endpontKey);
        commandMap.put(key, this);
        executePlayerCommand();
    }
    
    protected abstract void executePlayerCommand();
    
}
