| /** |
| * 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.hadoop.metrics2.impl; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import com.google.common.collect.Lists; |
| |
| import org.apache.hadoop.metrics2.AbstractMetric; |
| import org.apache.hadoop.metrics2.MetricsInfo; |
| import org.apache.hadoop.metrics2.MetricsCollector; |
| import org.apache.hadoop.metrics2.MetricsFilter; |
| import org.apache.hadoop.metrics2.MetricsRecordBuilder; |
| import org.apache.hadoop.metrics2.MetricsTag; |
| import org.apache.hadoop.metrics2.lib.Interns; |
| |
| class MetricsRecordBuilderImpl extends MetricsRecordBuilder { |
| private final MetricsCollector parent; |
| private final long timestamp; |
| private final MetricsInfo recInfo; |
| private final List<AbstractMetric> metrics; |
| private final List<MetricsTag> tags; |
| private final MetricsFilter recordFilter, metricFilter; |
| private final boolean acceptable; |
| |
| MetricsRecordBuilderImpl(MetricsCollector parent, MetricsInfo info, |
| MetricsFilter rf, MetricsFilter mf, |
| boolean acceptable) { |
| this.parent = parent; |
| timestamp = System.currentTimeMillis(); |
| recInfo = info; |
| metrics = Lists.newArrayList(); |
| tags = Lists.newArrayList(); |
| recordFilter = rf; |
| metricFilter = mf; |
| this.acceptable = acceptable; |
| } |
| |
| @Override |
| public MetricsCollector parent() { return parent; } |
| |
| @Override |
| public MetricsRecordBuilderImpl tag(MetricsInfo info, String value) { |
| if (acceptable) { |
| tags.add(Interns.tag(info, value)); |
| } |
| return this; |
| } |
| |
| @Override |
| public MetricsRecordBuilderImpl add(MetricsTag tag) { |
| tags.add(tag); |
| return this; |
| } |
| |
| @Override |
| public MetricsRecordBuilderImpl add(AbstractMetric metric) { |
| metrics.add(metric); |
| return this; |
| } |
| |
| @Override |
| public MetricsRecordBuilderImpl addCounter(MetricsInfo info, int value) { |
| if (acceptable && (metricFilter == null || |
| metricFilter.accepts(info.name()))) { |
| metrics.add(new MetricCounterInt(info, value)); |
| } |
| return this; |
| } |
| |
| @Override |
| public MetricsRecordBuilderImpl addCounter(MetricsInfo info, long value) { |
| if (acceptable && (metricFilter == null || |
| metricFilter.accepts(info.name()))) { |
| metrics.add(new MetricCounterLong(info, value)); |
| } |
| return this; |
| } |
| |
| @Override |
| public MetricsRecordBuilderImpl addGauge(MetricsInfo info, int value) { |
| if (acceptable && (metricFilter == null || |
| metricFilter.accepts(info.name()))) { |
| metrics.add(new MetricGaugeInt(info, value)); |
| } |
| return this; |
| } |
| |
| @Override |
| public MetricsRecordBuilderImpl addGauge(MetricsInfo info, long value) { |
| if (acceptable && (metricFilter == null || |
| metricFilter.accepts(info.name()))) { |
| metrics.add(new MetricGaugeLong(info, value)); |
| } |
| return this; |
| } |
| |
| @Override |
| public MetricsRecordBuilderImpl addGauge(MetricsInfo info, float value) { |
| if (acceptable && (metricFilter == null || |
| metricFilter.accepts(info.name()))) { |
| metrics.add(new MetricGaugeFloat(info, value)); |
| } |
| return this; |
| } |
| |
| @Override |
| public MetricsRecordBuilderImpl addGauge(MetricsInfo info, double value) { |
| if (acceptable && (metricFilter == null || |
| metricFilter.accepts(info.name()))) { |
| metrics.add(new MetricGaugeDouble(info, value)); |
| } |
| return this; |
| } |
| |
| @Override |
| public MetricsRecordBuilderImpl setContext(String value) { |
| return tag(MsInfo.Context, value); |
| } |
| |
| public MetricsRecordImpl getRecord() { |
| if (acceptable && (recordFilter == null || recordFilter.accepts(tags))) { |
| return new MetricsRecordImpl(recInfo, timestamp, tags(), metrics()); |
| } |
| return null; |
| } |
| |
| List<MetricsTag> tags() { |
| return Collections.unmodifiableList(tags); |
| } |
| |
| List<AbstractMetric> metrics() { |
| return Collections.unmodifiableList(metrics); |
| } |
| } |