TestingClusterListener xref

    1   /***
    2    *
    3    * Copyright 2004 Protique Ltd
    4    *
    5    * Licensed under the Apache License, Version 2.0 (the "License");
    6    * you may not use this file except in compliance with the License.
    7    * You may obtain a copy of the License at
    8    *
    9    * http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   *
    17   **/
    18  package org.codehaus.activecluster;
    19
    20  import org.codehaus.activecluster.impl.DefaultCluster;
    21
    22  /***
    23   * @version $Revision: 1.2 $
    24   */
    25  public class TestingClusterListener implements ClusterListener {
    26      private Cluster cluster;
    27
    28      public TestingClusterListener(Cluster cluster){
    29          this.cluster = cluster;
    30      }
    31      public void onNodeAdd(ClusterEvent event) {
    32              printEvent("ADDED: ", event);
    33          }
    34
    35          public void onNodeUpdate(ClusterEvent event) {
    36              printEvent("UPDATED: ", event);
    37          }
    38
    39          public void onNodeRemoved(ClusterEvent event) {
    40              printEvent("REMOVED: ", event);
    41          }
    42
    43          public void onNodeFailed(ClusterEvent event) {
    44              printEvent("FAILED: ", event);
    45          }
    46
    47          public void onCoordinatorChanged(ClusterEvent event) {
    48              printEvent("COORDINATOR: ", event);
    49          }
    50
    51          protected void printEvent(String text, ClusterEvent event) {
    52              System.out.println(text + event.getNode());
    53              System.out.println("Current cluster is now: " + cluster.getNodes().keySet());
    54          }
    55      }