/*
* Copyright 2013-2014 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 net.kuujo.vertigo.hook;
import net.kuujo.vertigo.component.Component;
import net.kuujo.vertigo.component.InstanceContext;
import org.vertx.java.core.eventbus.EventBus;
import org.vertx.java.core.json.JsonObject;
import com.fasterxml.jackson.annotation.JsonIgnore;
/**
* This hook integrates directly with the mod-metrics module by
* Tim Yates. To add the hook to a component, simply instantiate
* the hook with the event bus address of the mod-metrics module.<p>
*
* <pre>
* network.addVerticle("foo", Foo.class.getName()).addHook(new MetricsHook("com.bloidonia.metrics"));
* </pre>
*
* @author <a href="http://github.com/kuujo">Jordan Halterman</a>
*/
public class MetricsHook implements ComponentHook {
@JsonIgnore private InstanceContext context;
@JsonIgnore private EventBus eventBus;
private String address;
public MetricsHook() {
}
public MetricsHook(String address) {
this.address = address;
}
@Override
public void handleStart(Component component) {
context = component.context();
eventBus = component.vertx().eventBus();
}
@Override
public void handleReceive(Object message) {
eventBus.send(address, new JsonObject()
.putString("action", "mark")
.putString("name", String.format("%s.receive", context.address())));
}
@Override
public void handleSend(Object message) {
eventBus.send(address, new JsonObject()
.putString("action", "mark")
.putString("name", String.format("%s.send", context.address())));
}
@Override
public void handleStop(Component component) {
}
}