geode-core/src/main/java/org/apache/geode/internal/admin/remote/ChangeRefreshIntervalMessage.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF licenses this file to You 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.apache.geode.internal.admin.remote;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

import org.apache.geode.distributed.internal.ClusterDistributionManager;
import org.apache.geode.distributed.internal.InternalDistributedSystem;
import org.apache.geode.distributed.internal.PooledDistributionMessage;
import org.apache.geode.internal.admin.StatAlertsManager;

/**
 * Distribution message, sets refresh time interval in member's alerts manager
 *
 * @see StatAlertsManager
 *
 * @since GemFire 5.7
 */
public class ChangeRefreshIntervalMessage extends PooledDistributionMessage {

  private long _refreshInterval;

  public static ChangeRefreshIntervalMessage create(long refreshInterval) {
    ChangeRefreshIntervalMessage m = new ChangeRefreshIntervalMessage();

    m._refreshInterval = refreshInterval;

    return m;
  }

  public ChangeRefreshIntervalMessage() {

  }

  @Override
  public void toData(DataOutput out) throws IOException {
    super.toData(out);
    out.writeLong(_refreshInterval);
  }

  @Override
  public void fromData(DataInput in) throws IOException, ClassNotFoundException {
    super.fromData(in);
    _refreshInterval = in.readLong();
  }

  /**
   * Returns the DataSerializer fixed id for the class that implements this method.
   */
  @Override
  public int getDSFID() {
    return CHANGE_REFRESH_INT_MESSAGE;
  }


  @Override
  protected void process(ClusterDistributionManager dm) {
    StatAlertsManager.getInstance(dm).setRefreshTimeInterval(getRefreshInterval());
  }

  /**
   * @return refresh time interval for {@link StatAlertsManager}
   */
  public long getRefreshInterval() {
    return _refreshInterval;
  }

  /**
   * @param interval Refresh time interval for {@link StatAlertsManager}
   */
  public void setRefreshInterval(long interval) {
    _refreshInterval = interval;
  }

  @Override
  public String toString() {
    return "Set alerts refresh time interval in "
        + InternalDistributedSystem.getAnyInstance().getDistributedMember();
  }
}