/*
 * <copyright>
 *  
 *  Copyright 1997-2006 BBNT Solutions, LLC
 *  under sponsorship of the Defense Advanced Research Projects
 *  Agency (DARPA).
 * 
 *  You can redistribute this software and/or modify it under the
 *  terms of the Cougaar Open Source License as published on the
 *  Cougaar Open Source Website (www.cougaar.org).
 * 
 *  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.
 *  
 * </copyright>
 */
package org.cougaar.demo.hello;

import org.cougaar.core.plugin.ComponentPlugin;
import org.cougaar.core.service.LoggingService;

/** This plugin prints "Hello, world!". */
public class HelloPlugin extends ComponentPlugin {

  private LoggingService log;

  /** This method is called when the agent is created. */
  public void load() {
    super.load();

    // Get our required Cougaar services
    log = (LoggingService)
      getServiceBroker().getService(this, LoggingService.class, null);
  }

  /** This method is called when the agent starts. */
  protected void setupSubscriptions() {
    log.shout("Hello, world!");
  }

  /** This method is called whenever a subscription changes. */
  protected void execute() {
    // we don't have any subscriptions, so we never "execute()"
  }
}