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EmptyActiveTraceRepository.java
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EmptyActiveTraceRepository.java
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/*
* Copyright 2017 NAVER Corp.
*
* 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.navercorp.pinpoint.profiler.context.active;
import com.navercorp.pinpoint.common.trace.BaseHistogramSchema;
import com.navercorp.pinpoint.profiler.context.id.LocalTraceRoot;
import com.navercorp.pinpoint.profiler.context.id.TraceRoot;
import com.navercorp.pinpoint.profiler.monitor.metric.response.ResponseTimeCollector;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
/**
* @author Woonduk Kang(emeroad)
*/
public class EmptyActiveTraceRepository implements ActiveTraceRepository {
private final ResponseTimeCollector responseTimeCollector;
private final ActiveTraceHistogram emptyActiveTraceHistogram = new EmptyActiveTraceHistogram(BaseHistogramSchema.NORMAL_SCHEMA);
public EmptyActiveTraceRepository(ResponseTimeCollector responseTimeCollector) {
this.responseTimeCollector = Objects.requireNonNull(responseTimeCollector, "responseTimeCollector");
}
@Override
public ActiveTraceHistogram getActiveTraceHistogram(long timeStamp) {
return emptyActiveTraceHistogram;
}
@Override
public List<Long> getThreadIdList() {
return null;
}
@Override
public List<ActiveTraceSnapshot> snapshot() {
return Collections.emptyList();
}
@Override
public ActiveTraceHandle register(TraceRoot traceRoot) {
Objects.requireNonNull(traceRoot, "traceRoot");
return new EmptyActiveTraceHandle(traceRoot.getTraceStartTime());
}
@Override
public ActiveTraceHandle register(LocalTraceRoot traceRoot) {
return new EmptyActiveTraceHandle(traceRoot.getTraceStartTime());
}
private void remove(long startTime, long purgeTime) {
final long responseTime = purgeTime - startTime;
responseTimeCollector.add(responseTime);
}
private class EmptyActiveTraceHandle implements ActiveTraceHandle {
private final long startTime;
public EmptyActiveTraceHandle(long startTime) {
this.startTime = startTime;
}
@Override
public void purge(long purgeTime) {
remove(startTime, purgeTime);
}
}
}