Java tutorial
// Copyright (c) 2007-Present Pivotal Software, Inc. All rights reserved. // // This software, the RabbitMQ Java client library, is triple-licensed under the // Mozilla Public License 1.1 ("MPL"), the GNU General Public License version 2 // ("GPL") and the Apache License version 2 ("ASL"). For the MPL, please see // LICENSE-MPL-RabbitMQ. For the GPL, please see LICENSE-GPL2. For the ASL, // please see LICENSE-APACHE2. // // This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, // either express or implied. See the LICENSE file for specific language governing // rights and limitations of this software. // // If you have any questions regarding licensing, please contact us at // info@rabbitmq.com. package com.rabbitmq.client.impl; import com.codahale.metrics.Counter; import com.codahale.metrics.Meter; import com.codahale.metrics.MetricRegistry; import com.rabbitmq.client.Channel; import com.rabbitmq.client.Connection; import com.rabbitmq.client.MetricsCollector; /** * Dropwizard Metrics implementation of {@link MetricsCollector}. * Note transactions are not supported (see {@link MetricsCollector}. * Metrics provides out-of-the-box support for report backends like JMX, * Graphite, Ganglia, or plain HTTP. See Metrics documentation for * more details. * * @see MetricsCollector */ public class StandardMetricsCollector extends AbstractMetricsCollector { private final MetricRegistry registry; private final Counter connections; private final Counter channels; private final Meter publishedMessages; private final Meter consumedMessages; private final Meter acknowledgedMessages; private final Meter rejectedMessages; private final Meter failedToPublishMessages; private final Meter publishAcknowledgedMessages; private final Meter publishNacknowledgedMessages; private final Meter publishUnroutedMessages; public StandardMetricsCollector(MetricRegistry registry, String metricsPrefix) { this.registry = registry; this.connections = registry.counter(metricsPrefix + ".connections"); this.channels = registry.counter(metricsPrefix + ".channels"); this.publishedMessages = registry.meter(metricsPrefix + ".published"); this.failedToPublishMessages = registry.meter(metricsPrefix + ".failed_to_publish"); this.publishAcknowledgedMessages = registry.meter(metricsPrefix + ".publish_ack"); this.publishNacknowledgedMessages = registry.meter(metricsPrefix + ".publish_nack"); this.publishUnroutedMessages = registry.meter(metricsPrefix + ".publish_unrouted"); this.consumedMessages = registry.meter(metricsPrefix + ".consumed"); this.acknowledgedMessages = registry.meter(metricsPrefix + ".acknowledged"); this.rejectedMessages = registry.meter(metricsPrefix + ".rejected"); } public StandardMetricsCollector() { this(new MetricRegistry()); } public StandardMetricsCollector(MetricRegistry metricRegistry) { this(metricRegistry, "rabbitmq"); } @Override protected void incrementConnectionCount(Connection connection) { connections.inc(); } @Override protected void decrementConnectionCount(Connection connection) { connections.dec(); } @Override protected void incrementChannelCount(Channel channel) { channels.inc(); } @Override protected void decrementChannelCount(Channel channel) { channels.dec(); } @Override protected void markPublishedMessage() { publishedMessages.mark(); } @Override protected void markMessagePublishFailed() { failedToPublishMessages.mark(); } @Override protected void markConsumedMessage() { consumedMessages.mark(); } @Override protected void markAcknowledgedMessage() { acknowledgedMessages.mark(); } @Override protected void markRejectedMessage() { rejectedMessages.mark(); } @Override protected void markMessagePublishAcknowledged() { publishAcknowledgedMessages.mark(); } @Override protected void markMessagePublishNotAcknowledged() { publishNacknowledgedMessages.mark(); } @Override protected void markPublishedMessageNotRouted() { publishUnroutedMessages.mark(); } public MetricRegistry getMetricRegistry() { return registry; } public Counter getConnections() { return connections; } public Counter getChannels() { return channels; } public Meter getPublishedMessages() { return publishedMessages; } public Meter getConsumedMessages() { return consumedMessages; } public Meter getAcknowledgedMessages() { return acknowledgedMessages; } public Meter getRejectedMessages() { return rejectedMessages; } public Meter getFailedToPublishMessages() { return failedToPublishMessages; } public Meter getPublishAcknowledgedMessages() { return publishAcknowledgedMessages; } public Meter getPublishNotAcknowledgedMessages() { return publishNacknowledgedMessages; } public Meter getPublishUnroutedMessages() { return publishUnroutedMessages; } }