/*
* 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.web.dao.hbase;
import com.navercorp.pinpoint.common.server.bo.StringMetaDataBo;
import com.navercorp.pinpoint.common.hbase.HBaseTables;
import com.navercorp.pinpoint.common.hbase.HbaseOperations2;
import com.navercorp.pinpoint.common.hbase.RowMapper;
import com.navercorp.pinpoint.web.dao.StringMetaDataDao;
import com.sematext.hbase.wd.RowKeyDistributorByHashPrefix;
import org.apache.hadoop.hbase.client.Get;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Repository;
import java.util.List;
/**
* @author emeroad
*/
@Repository
public class HbaseStringMetaDataDao implements StringMetaDataDao {
@Autowired
private HbaseOperations2 hbaseOperations2;
@Autowired
@Qualifier("stringMetaDataMapper")
private RowMapper<List<StringMetaDataBo>> stringMetaDataMapper;
@Autowired
@Qualifier("metadataRowKeyDistributor")
private RowKeyDistributorByHashPrefix rowKeyDistributorByHashPrefix;
@Override
public List<StringMetaDataBo> getStringMetaData(String agentId, long time, int stringId) {
if (agentId == null) {
throw new NullPointerException("agentId must not be null");
}
StringMetaDataBo stringMetaData = new StringMetaDataBo(agentId, time, stringId);
byte[] rowKey = getDistributedKey(stringMetaData.toRowKey());
Get get = new Get(rowKey);
get.addFamily(HBaseTables.STRING_METADATA_CF_STR);
return hbaseOperations2.get(HBaseTables.STRING_METADATA, get, stringMetaDataMapper);
}
private byte[] getDistributedKey(byte[] rowKey) {
return rowKeyDistributorByHashPrefix.getDistributedKey(rowKey);
}
}