package org.csc.phynixx.watchdog;
   
   /*
    * #%L
    * phynixx-watchdog
    * %%
    * Copyright (C) 2014 csc
    * %%
    * 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.
   * #L%
   */
  
  
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  
  public class NotificationCondition implements IWatchedCondition {
  
  
      public static interface IConditionNotifier {
  
          void notifyCondition(IWatchedCondition cond);
      }
  
      private List notifiers = new ArrayList();
  
      private boolean active = false;
  
      private boolean useless = false;
  
      public synchronized boolean isActive() {
          return active;
      }
  
      public synchronized void setActive(boolean active) {
          this.active = active;
      }
  
      public boolean checkCondition() {
          return true;
      }
  
      public void conditionViolated() {
      }
  
  
      public void addNotifier(IConditionNotifier notifier) {
          if (!this.notifiers.contains(notifier)) {
              this.notifiers.add(notifier);
          }
      }
  
  
      protected void notifyCondition() {
  
          for (Iterator iterator = notifiers.iterator(); iterator.hasNext(); ) {
              IConditionNotifier notifier = (IConditionNotifier) iterator.next();
              notifier.notifyCondition(this);
          }
      }
  
  
      public String toString() {
          return "NotificationCondition ; has " + this.notifiers.size() + " notifier (active=" + this.isActive() + ")";
      }
  
      protected void finalize() throws Throwable {
          System.out.println("Condition " + this.toString() + " is finalized");
          super.finalize();
      }
  
      public synchronized boolean isUseless() {
          return this.useless;
      }
  
      public synchronized void setUseless(boolean mode) {
          this.useless = mode;
      }
  
  
  }