src/main/java/com/googlesource/gerrit/plugins/replication/ReplicationMetrics.java


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// Copyright (C) 2015 The Android Open Source Project
//
// 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 com.googlesource.gerrit.plugins.replication;

import com.google.gerrit.metrics.Description;
import com.google.gerrit.metrics.Field;
import com.google.gerrit.metrics.MetricMaker;
import com.google.gerrit.metrics.Timer1;
import com.google.inject.Inject;
import com.google.inject.Singleton;

@Singleton
public class ReplicationMetrics {
  Timer1<String> executionTime;

  @Inject
  ReplicationMetrics(MetricMaker metricMaker) {
    executionTime = metricMaker.newTimer(
        "replication_latency",
        new Description("Time spent pushing to remote destination.")
          .setCumulative()
          .setUnit(Description.Units.SECONDS),
        Field.ofString("destination"));
  }

  /**
   * Start the replication latency timer for a destination.
   * @param name the destination name.
   * @return the timer context.
   */
  Timer1.Context start(String name) {
    return executionTime.start(name);
  }

}