RiemannTcpConnection.java

/*

 Copyright 2012 David Rusek

 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.robotninjas.riemann.client;

import com.aphyr.riemann.Proto;
import com.google.common.util.concurrent.ListenableFuture;
import org.jboss.netty.bootstrap.ClientBootstrap;
import org.jboss.netty.channel.Channel;

import javax.annotation.concurrent.ThreadSafe;
import java.io.IOException;
import java.util.List;

import static com.aphyr.riemann.Proto.Event;
import static com.aphyr.riemann.Proto.Msg;

@ThreadSafe
public class RiemannTcpConnection implements RiemannConnection {

  private final Channel channel;
  private final ClientBootstrap bootstrap;

  public RiemannTcpConnection(Channel channel, ClientBootstrap bootstrap) {
    this.channel = channel;
    this.bootstrap = bootstrap;
  }

  public ListenableFuture<Boolean> sendWithAck(Event e) {
    final Msg.Builder msg = Msg.newBuilder()
      .addEvents(e);
    return sendMsg(channel, new ReturnableEvent(msg));
  }

  public void send(Event e) {
    final Msg.Builder msg = Msg.newBuilder()
      .addEvents(e);
    sendMsg(channel, new ReturnableEvent(msg));
  }

  public ListenableFuture<Boolean> sendWithAck(Iterable<Event> events) {
    final Msg.Builder msg = Msg.newBuilder()
      .addAllEvents(events);
    return sendMsg(channel, new ReturnableEvent(msg));
  }

  @Override
  public boolean isOpen() {
    return channel.isOpen();
  }

  public void send(Iterable<Event> events) {
    final Msg.Builder msg = Msg.newBuilder()
      .addAllEvents(events);
    sendMsg(channel, new ReturnableEvent(msg));
  }

  public ListenableFuture<List<Proto.Event>> query(String query) {
    final Msg.Builder msg = Msg.newBuilder()
      .setQuery(Proto.Query.newBuilder()
        .setString(query));
    return sendMsg(channel, new ReturnableQuery(msg));
  }

  private synchronized static <T> ListenableFuture<T> sendMsg(Channel channel, ReturnableMessage<T> returnable) {
    channel.write(returnable);
    return returnable;
  }

  @Override
  public void close() throws IOException {
    channel.close();
  }

  protected Channel getChannel() {
    return channel;
  }

}