Package org.springframework.data.gemfire.wan

Source Code of org.springframework.data.gemfire.wan.GatewayReceiverFactoryBean

/*
* Copyright 2010-2013 the original author or authors.
*
* 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.springframework.data.gemfire.wan;

import java.io.IOException;
import java.util.List;

import org.springframework.context.SmartLifecycle;
import org.springframework.util.Assert;
import org.springframework.util.CollectionUtils;

import com.gemstone.gemfire.cache.Cache;
import com.gemstone.gemfire.cache.wan.GatewayReceiver;
import com.gemstone.gemfire.cache.wan.GatewayReceiverFactory;
import com.gemstone.gemfire.cache.wan.GatewayTransportFilter;
import com.gemstone.gemfire.management.internal.cli.util.spring.StringUtils;

/**
* Spring FactoryBean for creating a GemFire {@link GatewayReceiver}.
*
* @author David Turanski
* @author John Blum
* @see org.springframework.context.SmartLifecycle
* @see org.springframework.data.gemfire.wan.AbstractWANComponentFactoryBean
* @see com.gemstone.gemfire.cache.Cache
* @see com.gemstone.gemfire.cache.wan.GatewayReceiver
* @see com.gemstone.gemfire.cache.wan.GatewayReceiverFactory
* @since 1.2.2
*/
@SuppressWarnings("unused")
public class GatewayReceiverFactoryBean extends AbstractWANComponentFactoryBean<GatewayReceiver>
    implements SmartLifecycle {

  private boolean manualStart = false;

  private volatile GatewayReceiver gatewayReceiver;

  private Integer endPort;
  private Integer maximumTimeBetweenPings;
  private Integer socketBufferSize;
  private Integer startPort;

  private List<GatewayTransportFilter> transportFilters;

  private String bindAddress;
  private String hostnameForSenders;

  /**
   * Constructs an instance of the GatewayReceiverFactoryBean class for configuring an initializing
   * a GemFire Gateway Receiver.
   *
   * @param cache a reference to the GemFire Cache used to setup the Gateway Receiver.
   */
  public GatewayReceiverFactoryBean(Cache cache) {
    super(cache);
  }

  @Override
  public GatewayReceiver getObject() throws Exception {
    return gatewayReceiver;
  }

  @Override
  public Class<?> getObjectType() {
    return (gatewayReceiver != null ? gatewayReceiver.getClass() : GatewayReceiver.class);
  }

  @Override
  protected void doInit() throws Exception {
    GatewayReceiverFactory gatewayReceiverFactory = cache.createGatewayReceiverFactory();

    if (!CollectionUtils.isEmpty(transportFilters)) {
      for (GatewayTransportFilter transportFilter : transportFilters) {
        gatewayReceiverFactory.addGatewayTransportFilter(transportFilter);
      }
    }

    if (StringUtils.hasText(bindAddress)) {
      gatewayReceiverFactory.setBindAddress(bindAddress);
    }

    if (StringUtils.hasText(hostnameForSenders)) {
      gatewayReceiverFactory.setHostnameForSenders(hostnameForSenders);
    }

    int localStartPort = (startPort != null ? startPort : GatewayReceiver.DEFAULT_START_PORT);
    int localEndPort = (endPort != null ? endPort : GatewayReceiver.DEFAULT_END_PORT);

    Assert.isTrue(localStartPort <= localEndPort, String.format("'startPort' must be less than or equal to %1$d.",
      localEndPort));

    gatewayReceiverFactory.setStartPort(localStartPort);
    gatewayReceiverFactory.setEndPort(localEndPort);

    if (maximumTimeBetweenPings != null) {
      gatewayReceiverFactory.setMaximumTimeBetweenPings(maximumTimeBetweenPings);
    }

    if (socketBufferSize != null) {
      gatewayReceiverFactory.setSocketBufferSize(socketBufferSize);
    }

    gatewayReceiver = gatewayReceiverFactory.create();
  }

  public void setGatewayReceiver(final GatewayReceiver gatewayReceiver) {
    this.gatewayReceiver = gatewayReceiver;
  }

  public void setBindAddress(String bindAddress) {
    this.bindAddress = bindAddress;
  }

  public void setHostnameForSenders(String hostnameForSenders) {
    this.hostnameForSenders = hostnameForSenders;
  }

  public void setStartPort(Integer startPort) {
    this.startPort = startPort;
  }

  public void setEndPort(Integer endPort) {
    this.endPort = endPort;
  }

  public void setManualStart(Boolean manualStart) {
    this.manualStart = Boolean.TRUE.equals(manualStart);
  }

  public void setMaximumTimeBetweenPings(Integer maximumTimeBetweenPings) {
    this.maximumTimeBetweenPings = maximumTimeBetweenPings;
  }

  public void setSocketBufferSize(Integer socketBufferSize) {
    this.socketBufferSize = socketBufferSize;
  }

  public void setTransportFilters(List<GatewayTransportFilter> transportFilters) {
    this.transportFilters = transportFilters;
  }

  @Override
  public boolean isAutoStartup() {
    return !manualStart;
  }

  @Override
  public int getPhase() {
    return Integer.MAX_VALUE;
  }

  @Override
  public boolean isRunning() {
    return gatewayReceiver.isRunning();
  }

  @Override
  public void start() {
    Assert.state(gatewayReceiver != null, "The GatewayReceiver was not properly configured and initialized!");

    if (!isRunning()) {
      try {
        gatewayReceiver.start();
      }
      catch (IOException e) {
        throw new RuntimeException("Failed to start Gateway Receiver due to I/O error.", e);
      }
    }
  }

  @Override
  public void stop() {
    gatewayReceiver.stop();
  }

  @Override
  public void stop(final Runnable callback) {
    stop();
    callback.run();
  }

}
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