/* * 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; import com.navercorp.pinpoint.common.buffer.Buffer; import com.navercorp.pinpoint.common.server.bo.serializer.stat.AgentStatDecodingContext; import com.navercorp.pinpoint.common.server.bo.stat.AgentStatDataPoint; import java.util.List; /** * @author HyunGil Jeong */ public class AgentStatDecoder<T extends AgentStatDataPoint> { private final List<AgentStatCodec<T>> codecs; public AgentStatDecoder(List<AgentStatCodec<T>> codecs) { this.codecs = codecs; } public long decodeQualifier(Buffer qualifierBuffer) { return qualifierBuffer.readVLong(); } public List<T> decodeValue(Buffer valueBuffer, AgentStatDecodingContext decodingContext) { byte version = valueBuffer.readByte(); for (AgentStatCodec<T> codec : this.codecs) { if (version == codec.getVersion()) { return codec.decodeValues(valueBuffer, decodingContext); } } throw new IllegalArgumentException("Unknown version : " + version); } }