/*
* Copyright 2015 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.web.mapper;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.client.Result;
import org.springframework.stereotype.Component;
import com.navercorp.pinpoint.common.server.bo.AgentLifeCycleBo;
import com.navercorp.pinpoint.common.buffer.Buffer;
import com.navercorp.pinpoint.common.buffer.FixedBuffer;
import com.navercorp.pinpoint.common.hbase.HBaseTables;
import com.navercorp.pinpoint.common.hbase.RowMapper;
import com.navercorp.pinpoint.common.server.util.AgentLifeCycleState;
/**
* @author HyunGil Jeong
*/
@Component
public class AgentLifeCycleMapper implements RowMapper<AgentLifeCycleBo> {
@Override
public AgentLifeCycleBo mapRow(Result result, int rowNum) throws Exception {
if (result.isEmpty()) {
return null;
}
Cell valueCell = result.getColumnLatestCell(HBaseTables.AGENT_LIFECYCLE_CF_STATUS, HBaseTables.AGENT_LIFECYCLE_CF_STATUS_QUALI_STATES);
return createAgentLifeCycleBo(valueCell);
}
private AgentLifeCycleBo createAgentLifeCycleBo(Cell valueCell) {
if (valueCell == null) {
return null;
}
byte[] value = CellUtil.cloneValue(valueCell);
final Buffer buffer = new FixedBuffer(value);
final int version = buffer.readInt();
switch (version) {
case 0 :
final String agentId = buffer.readPrefixedString();
final long startTimestamp = buffer.readLong();
final long eventTimestamp = buffer.readLong();
final long eventIdentifier = buffer.readLong();
final AgentLifeCycleState agentLifeCycleState = AgentLifeCycleState.getStateByCode(buffer.readShort());
final AgentLifeCycleBo agentLifeCycleBo = new AgentLifeCycleBo(agentId, startTimestamp, eventTimestamp, eventIdentifier, agentLifeCycleState);
return agentLifeCycleBo;
default :
return null;
}
}
}