001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.coprocessor.example.row.stats.utils;
019
020import org.apache.hadoop.hbase.TableName;
021import org.apache.hadoop.hbase.client.Put;
022import org.apache.hadoop.hbase.coprocessor.example.row.stats.RowStatistics;
023import org.apache.hadoop.hbase.util.Bytes;
024import org.apache.yetus.audience.InterfaceAudience;
025import org.slf4j.Logger;
026import org.slf4j.LoggerFactory;
027
028@InterfaceAudience.Private
029public final class RowStatisticsTableUtil {
030
031  private static final Logger LOG = LoggerFactory.getLogger(RowStatisticsTableUtil.class);
032  public static final String NAMESPACE = "stats";
033  public static final String TABLE_STRING = "row-statistics";
034  public static final TableName NAMESPACED_TABLE_NAME = TableName.valueOf(NAMESPACE, TABLE_STRING);
035  public static final byte[] CF = Bytes.toBytes("0");
036  public static final String TABLE_RECORDER_KEY = "tableRecorder";
037
038  private RowStatisticsTableUtil() {
039  }
040
041  public static Put buildPutForRegion(byte[] regionRowKey, RowStatistics rowStatistics,
042    boolean isMajor) {
043    Put put = new Put(regionRowKey);
044    String cq = rowStatistics.getColumnFamily() + (isMajor ? "1" : "0");
045    String jsonString = rowStatistics.getJsonString();
046    put.addColumn(CF, Bytes.toBytes(cq), Bytes.toBytes(jsonString));
047    LOG.debug(jsonString);
048    return put;
049  }
050}