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JPPF, the open source grid computing solution

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/*
 * JPPF.
 * Copyright (C) 2005-2015 JPPF Team.
 * http://www.jppf.org
 *
 * 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.jppf.node.policy;

import org.jppf.management.JPPFSystemInformation;
import org.jppf.utils.*;
import org.slf4j.*;

/**
 * Simple test of an execution policy.
 * @author Laurent Cohen
 */
public class PolicyRuleTest extends ExecutionPolicy
{
  /**
   * Logger for this class.
   */
  private static Logger log = LoggerFactory.getLogger(PolicyRuleTest.class);
  /**
   * Determines whether DEBUG logging level is enabled.
   */
  private static boolean debugEnabled = LoggingUtils.isDebugEnabled(log);

  /**
   * Determines whether this policy accepts the specified node.
   * @param info system information for the node on which the tasks will run if accepted.
   * @return true if the node is accepted, false otherwise.
   */
  @Override
  public boolean accepts(final PropertiesCollection info)
  {
    boolean result = false;
    if (info != null)
    {
      String s = ((JPPFSystemInformation) info).getJppf().getString("node.execution.policy");
      result = (s != null);
    }
    if (debugEnabled)
    {
      String s = ((JPPFSystemInformation) info).getNetwork().getString("ipv4.addresses");
      log.debug("node [" + s + "] accepted = " + result);
    }
    return result;
  }
}