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/**
 * MIT License
 *
 * Copyright (c) 2017 TRIOLOGY GmbH
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package de.triology.cb.spring;

import de.triology.cb.Command;
import de.triology.cb.CommandBus;
import de.triology.cb.CommandHandler;
import org.springframework.beans.factory.annotation.Autowired;

/**
 * Spring backed Command-Bus.
 */
public class SpringCommandBus implements CommandBus {

  private final Registry registry;

  /**
   * Creates a new instance with the given registry.
   *
   * @param registry registry
   */
  @Autowired
  public SpringCommandBus(Registry registry) {
    this.registry = registry;
  }

  @Override
  public > R execute(C command) {
    CommandHandler commandHandler = (CommandHandler) registry.get(command.getClass());
    return commandHandler.handle(command);
  }
}