/*
* 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.provider;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.navercorp.pinpoint.bootstrap.config.ProfilerConfig;
import com.navercorp.pinpoint.profiler.context.CallStackFactory;
import com.navercorp.pinpoint.profiler.context.CallStackFactoryV1;
import com.navercorp.pinpoint.profiler.context.CallStackFactoryV2;
import com.navercorp.pinpoint.profiler.context.TraceDataFormatVersion;
/**
* @author Woonduk Kang(emeroad)
*/
public class CallStackFactoryProvider implements Provider<CallStackFactory> {
private final TraceDataFormatVersion version;
private final int callStackMaxDepth;
@Inject
public CallStackFactoryProvider(ProfilerConfig profilerConfig) {
if (profilerConfig == null) {
throw new NullPointerException("profilerConfig must not be null");
}
this.version = TraceDataFormatVersion.getTraceDataFormatVersion(profilerConfig);
this.callStackMaxDepth = profilerConfig.getCallStackMaxDepth();
}
@Override
public CallStackFactory get() {
if (version == TraceDataFormatVersion.V2) {
return new CallStackFactoryV2(callStackMaxDepth);
}
if(version == TraceDataFormatVersion.V1) {
return new CallStackFactoryV1(callStackMaxDepth);
}
throw new UnsupportedOperationException("unknown version :" + version);
}
}