| /* |
| * 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.drill.exec.metrics; |
| |
| import com.codahale.metrics.Counter; |
| |
| /** |
| * Holder containing query state counter metrics. |
| */ |
| public class DrillCounters { |
| |
| private static final DrillCounters INSTANCE = new DrillCounters(); |
| |
| private static final String QUERIES_METRICS_PREFIX = "drill.queries."; |
| |
| private final Counter planningQueries = DrillMetrics.getRegistry().counter(QUERIES_METRICS_PREFIX + "planning"); |
| private final Counter enqueuedQueries = DrillMetrics.getRegistry().counter(QUERIES_METRICS_PREFIX + "enqueued"); |
| private final Counter runningQueries = DrillMetrics.getRegistry().counter(QUERIES_METRICS_PREFIX + "running"); |
| private final Counter completedQueries = DrillMetrics.getRegistry().counter(QUERIES_METRICS_PREFIX + "completed"); |
| private final Counter succeededQueries = DrillMetrics.getRegistry().counter(QUERIES_METRICS_PREFIX + "succeeded"); |
| private final Counter failedQueries = DrillMetrics.getRegistry().counter(QUERIES_METRICS_PREFIX + "failed"); |
| private final Counter canceledQueries = DrillMetrics.getRegistry().counter(QUERIES_METRICS_PREFIX + "canceled"); |
| |
| private DrillCounters() { |
| } |
| |
| public static DrillCounters getInstance() { |
| return INSTANCE; |
| } |
| |
| public Counter getPlanningQueries() { |
| return planningQueries; |
| } |
| |
| public Counter getEnqueuedQueries() { |
| return enqueuedQueries; |
| } |
| |
| public Counter getRunningQueries() { |
| return runningQueries; |
| } |
| |
| public Counter getCompletedQueries() { |
| return completedQueries; |
| } |
| |
| public Counter getSucceededQueries() { |
| return succeededQueries; |
| } |
| |
| public Counter getFailedQueries() { |
| return failedQueries; |
| } |
| |
| public Counter getCanceledQueries() { |
| return canceledQueries; |
| } |
| } |