/*
* Copyright 2014 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.bootstrap.context.AsyncTraceId;
import com.navercorp.pinpoint.bootstrap.context.Trace;
import com.navercorp.pinpoint.bootstrap.context.TraceId;
import com.navercorp.pinpoint.profiler.context.TraceFactory;
/**
* @author Taejin Koo
* @author emeroad
* @author HyunGil Jeong
*/
public class ActiveTraceFactory implements TraceFactory {
private final TraceFactory delegate;
private final ActiveTraceRepository activeTraceRepository;
private ActiveTraceFactory(TraceFactory delegate, ActiveTraceRepository activeTraceRepository) {
if (delegate == null) {
throw new NullPointerException("delegate must not be null");
}
if (activeTraceRepository == null) {
throw new NullPointerException("activeTraceRepository must not be null");
}
this.delegate = delegate;
this.activeTraceRepository = activeTraceRepository;
}
public static TraceFactory wrap(TraceFactory traceFactory, ActiveTraceRepository activeTraceRepository) {
return new ActiveTraceFactory(traceFactory, activeTraceRepository);
}
@Override
public Trace currentTraceObject() {
return this.delegate.currentTraceObject();
}
@Override
public Trace currentRpcTraceObject() {
return this.delegate.currentRpcTraceObject();
}
@Override
public Trace currentRawTraceObject() {
return this.delegate.currentRawTraceObject();
}
@Override
public Trace disableSampling() {
final Trace trace = this.delegate.disableSampling();
// Unsampled continuation
attachTrace(trace);
return trace;
}
@Override
public Trace continueTraceObject(TraceId traceID) {
final Trace trace = this.delegate.continueTraceObject(traceID);
// Sampled continuation
attachTrace(trace);
return trace;
}
@Override
public Trace continueTraceObject(Trace continueTrace) {
final Trace trace = this.delegate.continueTraceObject(continueTrace);
return trace;
}
@Override
public Trace continueAsyncTraceObject(AsyncTraceId traceId, int asyncId, long startTime) {
return this.delegate.continueAsyncTraceObject(traceId, asyncId, startTime);
}
@Override
public Trace continueAsyncTraceObject(TraceId traceID) {
final Trace trace = this.delegate.continueAsyncTraceObject(traceID);
// Sampled continuation
attachTrace(trace);
return trace;
}
@Override
public Trace newTraceObject() {
final Trace trace = this.delegate.newTraceObject();
attachTrace(trace);
return trace;
}
@Override
public Trace newAsyncTraceObject() {
final Trace trace = this.delegate.newAsyncTraceObject();
attachTrace(trace);
return trace;
}
@Override
public Trace removeTraceObject() {
final Trace trace = this.delegate.removeTraceObject();
detachTrace(trace);
return trace;
}
private void attachTrace(Trace trace) {
if (trace == null) {
return;
}
this.activeTraceRepository.put(new ActiveTrace(trace));
}
private void detachTrace(Trace trace) {
if (trace == null) {
return;
}
final long id = trace.getId();
this.activeTraceRepository.remove(id);
}
}