org.fabric3.fabric.executor.CommandExecutorRegistryImpl Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of fabric3-fabric Show documentation
Fabric3 Core Fabric.
The newest version!
/*
 * Fabric3
 * Copyright (c) 2009-2013 Metaform Systems
 *
 * Fabric3 is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version, with the
 * following exception:
 *
 * Linking this software statically or dynamically with other
 * modules is making a combined work based on this software.
 * Thus, the terms and conditions of the GNU General Public
 * License cover the whole combination.
 *
 * As a special exception, the copyright holders of this software
 * give you permission to link this software with independent
 * modules to produce an executable, regardless of the license
 * terms of these independent modules, and to copy and distribute
 * the resulting executable under terms of your choice, provided
 * that you also meet, for each linked independent module, the
 * terms and conditions of the license of that module. An
 * independent module is a module which is not derived from or
 * based on this software. If you modify this software, you may
 * extend this exception to your version of the software, but
 * you are not obligated to do so. If you do not wish to do so,
 * delete this exception statement from your version.
 *
 * Fabric3 is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the
 * GNU General Public License along with Fabric3.
 * If not, see .
 *
 * ----------------------------------------------------
 *
 * Portions originally based on Apache Tuscany 2007
 * licensed under the Apache 2.0 license.
 *
 */
package org.fabric3.fabric.executor;

import java.util.HashMap;
import java.util.Map;

import org.oasisopen.sca.annotation.EagerInit;

import org.fabric3.spi.command.Command;
import org.fabric3.spi.executor.CommandExecutor;
import org.fabric3.spi.executor.CommandExecutorRegistry;
import org.fabric3.spi.executor.ExecutionException;

/**
 * Default implementation of the CommandExecutorRegistry
 */
@EagerInit
public class CommandExecutorRegistryImpl implements CommandExecutorRegistry {
    private Map, CommandExecutor> executors = new HashMap, CommandExecutor>();

    public  void register(Class type, CommandExecutor executor) {
        executors.put(type, executor);
    }

    @SuppressWarnings({"unchecked"})
    public  void execute(T command) throws ExecutionException {
        Class clazz = command.getClass();
        CommandExecutor executor = (CommandExecutor) executors.get(clazz);
        if (executor == null) {
            throw new ExecutorNotFoundException("No registered executor for command: " + clazz.getName(), clazz.getName());
        }
        executor.execute(command);
    }
}