org.janusgraph.hadoop.scan.HadoopContextScanMetrics Maven / Gradle / Ivy
// Copyright 2017 JanusGraph 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 org.janusgraph.hadoop.scan;
import org.apache.hadoop.mapreduce.TaskInputOutputContext;
import org.janusgraph.diskstorage.keycolumnvalue.scan.ScanMetrics;
public class HadoopContextScanMetrics implements ScanMetrics {
private final TaskInputOutputContext taskIOCtx;
// TODO make these configurable (?)
public static final String CUSTOM_COUNTER_GROUP = "ScanJob.Custom";
public static final String STANDARD_COUNTER_GROUP = "ScanJob.Standard";
public HadoopContextScanMetrics(TaskInputOutputContext taskIOCtx) {
this.taskIOCtx = taskIOCtx;
}
@Override
public long getCustom(String metric) {
return taskIOCtx.getCounter(CUSTOM_COUNTER_GROUP, metric).getValue();
}
@Override
public void incrementCustom(String metric, long delta) {
taskIOCtx.getCounter(CUSTOM_COUNTER_GROUP, metric).increment(delta);
}
@Override
public void incrementCustom(String metric) {
incrementCustom(metric, 1L);
}
@Override
public long get(Metric metric) {
return taskIOCtx.getCounter(STANDARD_COUNTER_GROUP, metric.name()).getValue();
}
@Override
public void increment(Metric metric) {
taskIOCtx.getCounter(STANDARD_COUNTER_GROUP, metric.name()).increment(1L);
}
}