/*
* Copyright 2016 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.common.server.bo.codec.stat.v2;
import com.navercorp.pinpoint.common.buffer.Buffer;
import com.navercorp.pinpoint.common.server.bo.codec.stat.AgentStatCodec;
import com.navercorp.pinpoint.common.server.bo.codec.stat.AgentStatDataPointCodec;
import com.navercorp.pinpoint.common.server.bo.codec.stat.header.AgentStatHeaderDecoder;
import com.navercorp.pinpoint.common.server.bo.codec.stat.header.AgentStatHeaderEncoder;
import com.navercorp.pinpoint.common.server.bo.codec.stat.header.BitCountingHeaderDecoder;
import com.navercorp.pinpoint.common.server.bo.codec.stat.header.BitCountingHeaderEncoder;
import com.navercorp.pinpoint.common.server.bo.codec.stat.strategy.StrategyAnalyzer;
import com.navercorp.pinpoint.common.server.bo.codec.stat.strategy.UnsignedLongEncodingStrategy;
import com.navercorp.pinpoint.common.server.bo.codec.strategy.EncodingStrategy;
import com.navercorp.pinpoint.common.server.bo.serializer.stat.AgentStatDecodingContext;
import com.navercorp.pinpoint.common.server.bo.stat.TransactionBo;
import org.apache.commons.collections.CollectionUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.Assert;
import java.util.ArrayList;
import java.util.List;
/**
* @author HyunGil Jeong
*/
@Component("transactionCodecV2")
public class TransactionCodecV2 implements AgentStatCodec<TransactionBo> {
private static final byte VERSION = 2;
private final AgentStatDataPointCodec codec;
@Autowired
public TransactionCodecV2(AgentStatDataPointCodec codec) {
Assert.notNull(codec, "agentStatDataPointCodec must not be null");
this.codec = codec;
}
@Override
public byte getVersion() {
return VERSION;
}
@Override
public void encodeValues(Buffer valueBuffer, List<TransactionBo> transactionBos) {
if (CollectionUtils.isEmpty(transactionBos)) {
throw new IllegalArgumentException("transactionBos must not be empty");
}
final int numValues = transactionBos.size();
valueBuffer.putVInt(numValues);
List<Long> startTimestamps = new ArrayList<Long>(numValues);
List<Long> timestamps = new ArrayList<Long>(numValues);
UnsignedLongEncodingStrategy.Analyzer.Builder collectIntervalAnalyzerBuilder = new UnsignedLongEncodingStrategy.Analyzer.Builder();
UnsignedLongEncodingStrategy.Analyzer.Builder sampledNewCountAnalyzerBuilder = new UnsignedLongEncodingStrategy.Analyzer.Builder();
UnsignedLongEncodingStrategy.Analyzer.Builder sampledContinuationCountAnalyzerBuilder = new UnsignedLongEncodingStrategy.Analyzer.Builder();
UnsignedLongEncodingStrategy.Analyzer.Builder unsampledNewCountAnalyzerBuilder = new UnsignedLongEncodingStrategy.Analyzer.Builder();
UnsignedLongEncodingStrategy.Analyzer.Builder unsampledContinuationCountAnalyzerBuilder = new UnsignedLongEncodingStrategy.Analyzer.Builder();
for (TransactionBo transactionBo : transactionBos) {
startTimestamps.add(transactionBo.getStartTimestamp());
timestamps.add(transactionBo.getTimestamp());
collectIntervalAnalyzerBuilder.addValue(transactionBo.getCollectInterval());
sampledNewCountAnalyzerBuilder.addValue(transactionBo.getSampledNewCount());
sampledContinuationCountAnalyzerBuilder.addValue(transactionBo.getSampledContinuationCount());
unsampledNewCountAnalyzerBuilder.addValue(transactionBo.getUnsampledNewCount());
unsampledContinuationCountAnalyzerBuilder.addValue(transactionBo.getUnsampledContinuationCount());
}
this.codec.encodeValues(valueBuffer, UnsignedLongEncodingStrategy.REPEAT_COUNT, startTimestamps);
this.codec.encodeTimestamps(valueBuffer, timestamps);
this.encodeDataPoints(
valueBuffer,
collectIntervalAnalyzerBuilder.build(),
sampledNewCountAnalyzerBuilder.build(),
sampledContinuationCountAnalyzerBuilder.build(),
unsampledNewCountAnalyzerBuilder.build(),
unsampledContinuationCountAnalyzerBuilder.build());
}
private void encodeDataPoints(
Buffer valueBuffer,
StrategyAnalyzer<Long> collectIntervalStrategyAnalyzer,
StrategyAnalyzer<Long> sampledNewCountStrategyAnalyzer,
StrategyAnalyzer<Long> sampledContinuationCountStrategyAnalyzer,
StrategyAnalyzer<Long> unsampledNewCountStrategyAnalyzer,
StrategyAnalyzer<Long> unsampledContinuationCountStrategyAnalyzer) {
// encode header
AgentStatHeaderEncoder headerEncoder = new BitCountingHeaderEncoder();
headerEncoder.addCode(collectIntervalStrategyAnalyzer.getBestStrategy().getCode());
headerEncoder.addCode(sampledNewCountStrategyAnalyzer.getBestStrategy().getCode());
headerEncoder.addCode(sampledContinuationCountStrategyAnalyzer.getBestStrategy().getCode());
headerEncoder.addCode(unsampledNewCountStrategyAnalyzer.getBestStrategy().getCode());
headerEncoder.addCode(unsampledContinuationCountStrategyAnalyzer.getBestStrategy().getCode());
final byte[] header = headerEncoder.getHeader();
valueBuffer.putPrefixedBytes(header);
// encode values
this.codec.encodeValues(valueBuffer, collectIntervalStrategyAnalyzer.getBestStrategy(), collectIntervalStrategyAnalyzer.getValues());
this.codec.encodeValues(valueBuffer, sampledNewCountStrategyAnalyzer.getBestStrategy(), sampledNewCountStrategyAnalyzer.getValues());
this.codec.encodeValues(valueBuffer, sampledContinuationCountStrategyAnalyzer.getBestStrategy(), sampledContinuationCountStrategyAnalyzer.getValues());
this.codec.encodeValues(valueBuffer, unsampledNewCountStrategyAnalyzer.getBestStrategy(), unsampledNewCountStrategyAnalyzer.getValues());
this.codec.encodeValues(valueBuffer, unsampledContinuationCountStrategyAnalyzer.getBestStrategy(), unsampledContinuationCountStrategyAnalyzer.getValues());
}
@Override
public List<TransactionBo> decodeValues(Buffer valueBuffer, AgentStatDecodingContext decodingContext) {
final String agentId = decodingContext.getAgentId();
final long baseTimestamp = decodingContext.getBaseTimestamp();
final long timestampDelta = decodingContext.getTimestampDelta();
final long initialTimestamp = baseTimestamp + timestampDelta;
int numValues = valueBuffer.readVInt();
List<Long> startTimestamps = this.codec.decodeValues(valueBuffer, UnsignedLongEncodingStrategy.REPEAT_COUNT, numValues);
List<Long> timestamps = this.codec.decodeTimestamps(initialTimestamp, valueBuffer, numValues);
// decode headers
final byte[] header = valueBuffer.readPrefixedBytes();
AgentStatHeaderDecoder headerDecoder = new BitCountingHeaderDecoder(header);
EncodingStrategy<Long> collectIntervalEncodingStrategy = UnsignedLongEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<Long> sampledNewCountEncodingStrategy = UnsignedLongEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<Long> sampledContinuationCountEncodingStrategy = UnsignedLongEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<Long> unsampledNewCountEncodingStrategy = UnsignedLongEncodingStrategy.getFromCode(headerDecoder.getCode());
EncodingStrategy<Long> unsampledContinuationCountEncodingStrategy = UnsignedLongEncodingStrategy.getFromCode(headerDecoder.getCode());
// decode values
List<Long> collectIntervals = this.codec.decodeValues(valueBuffer, collectIntervalEncodingStrategy, numValues);
List<Long> sampledNewCounts = this.codec.decodeValues(valueBuffer, sampledNewCountEncodingStrategy, numValues);
List<Long> sampledContinuationCounts = this.codec.decodeValues(valueBuffer, sampledContinuationCountEncodingStrategy, numValues);
List<Long> unsampledNewCounts = this.codec.decodeValues(valueBuffer, unsampledNewCountEncodingStrategy, numValues);
List<Long> unsampledContinuationCounts = this.codec.decodeValues(valueBuffer, unsampledContinuationCountEncodingStrategy, numValues);
List<TransactionBo> transactionBos = new ArrayList<TransactionBo>(numValues);
for (int i = 0; i < numValues; ++i) {
TransactionBo transactionBo = new TransactionBo();
transactionBo.setAgentId(agentId);
transactionBo.setStartTimestamp(startTimestamps.get(i));
transactionBo.setTimestamp(timestamps.get(i));
transactionBo.setCollectInterval(collectIntervals.get(i));
transactionBo.setSampledNewCount(sampledNewCounts.get(i));
transactionBo.setSampledContinuationCount(sampledContinuationCounts.get(i));
transactionBo.setUnsampledNewCount(unsampledNewCounts.get(i));
transactionBo.setUnsampledContinuationCount(unsampledContinuationCounts.get(i));
transactionBos.add(transactionBo);
}
return transactionBos;
}
}