| /* |
| * 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.samza.zk; |
| |
| import org.apache.samza.metrics.Counter; |
| import org.apache.samza.metrics.MetricsBase; |
| import org.apache.samza.metrics.MetricsRegistry; |
| |
| public class ZkSessionMetrics extends MetricsBase { |
| |
| /** |
| * Number of zookeeper client session expirations. |
| */ |
| public final Counter zkSessionExpirations; |
| |
| /** |
| * Number of zookeeper client session disconnects. |
| */ |
| public final Counter zkSessionDisconnects; |
| |
| /** |
| * Number of zookeeper client session errors. |
| */ |
| public final Counter zkSessionErrors; |
| |
| /** |
| * Number of new zookeeper client sessions. |
| */ |
| public final Counter zkNewSessions; |
| |
| /** |
| * Number of zookeeper sync connected events. |
| */ |
| public final Counter zkSyncConnected; |
| |
| public ZkSessionMetrics(MetricsRegistry registry) { |
| super(registry); |
| this.zkSessionExpirations = newCounter("zk-session-expirations"); |
| this.zkSessionDisconnects = newCounter("zk-session-disconnects"); |
| this.zkSessionErrors = newCounter("zk-session-errors"); |
| this.zkNewSessions = newCounter("zk-new-sessions"); |
| this.zkSyncConnected = newCounter("zk-sync-connected"); |
| } |
| } |