Package com.alibaba.wasp.util

Source Code of com.alibaba.wasp.util.ResultInHBasePrinter

/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you 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.alibaba.wasp.util;

import com.alibaba.wasp.FConstants;
import com.alibaba.wasp.storage.StorageActionManager;
import org.apache.commons.logging.Log;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.client.ResultScanner;
import org.apache.hadoop.hbase.client.Scan;
import org.apache.hadoop.hbase.util.Bytes;

import java.io.IOException;
import java.io.UnsupportedEncodingException;

public class ResultInHBasePrinter {

  public static void printTablesRs(String type, Configuration conf,
      String tablename, String indexName, Log LOG) throws IOException {
    StorageActionManager manager = new StorageActionManager(conf);

    String indexTableName = FConstants.WASP_TABLE_INDEX_PREFIX + tablename
        + FConstants.TABLE_ROW_SEP + indexName;

    try {
      LOG.info("rs begin " + type);
      // manager.scan(".META.", new Scan());
      // manager.scan(StorageTableNameBuilder.buildEntityTableName("TEST_TABLE"),
      // new Scan());
      // ResultScanner fmeters = manager.scan("_FMETA_", new Scan());
      ResultScanner indexrs = manager.scan(indexTableName, new Scan());
      ResultScanner rs = manager.scan(FConstants.WASP_TABLE_ENTITY_PREFIX
          + tablename, new Scan());
      // LOG.info("rs fmeta");
      // print(fmeters);
      LOG.info("rs table " + type);
      print(rs, LOG);
      LOG.info("rs index, table name = " + indexTableName);
      // WASP_INDEX_TEST_TABLE_test_index
      print(indexrs, LOG);
      LOG.info("rs end");
    } catch (UnsupportedEncodingException e1) {
      e1.printStackTrace();
    } catch (IOException e1) {
      e1.printStackTrace();
    }
    // TEST!!!
  }

  public static void printFMETA(Configuration conf, Log LOG) throws IOException {
    printTable("fmeta", "_FMETA_", conf, LOG);
  }

  public static void printTable(String type, String table, Configuration conf, Log LOG) throws IOException {
    StorageActionManager manager = new StorageActionManager(conf);
    try {
      ResultScanner fmeters = manager.scan(table, new Scan());
      LOG.info("rs " + type);
      print(fmeters, LOG);
      LOG.info("rs end");
    } catch (UnsupportedEncodingException e1) {
      e1.printStackTrace();
    } catch (IOException e1) {
      e1.printStackTrace();
    }
  }

   public static void printMETA(Configuration conf, Log LOG) throws IOException {
    printTable("meta", ".META.", conf, LOG);
  }

  private static void print(ResultScanner indexrs, Log LOG) throws UnsupportedEncodingException {
    for (Result r : indexrs) {
      KeyValue[] kv = r.raw();
      for (int i = 0; i < kv.length; i++) {
        LOG.info("row:" + Bytes.toString(kv[i].getRow()));
        LOG.info("row length:" + kv[i].getRow().length);
        LOG.info("family:" + Bytes.toString(kv[i].getFamily()));
        LOG.info("qualifier:" + Bytes.toString(kv[i].getQualifier()));
        LOG.info("value:" + Bytes.toString(kv[i].getValue()));
        LOG.info("value length:" + kv[i].getValue().length);
        LOG.info("timestamp:" + kv[i].getTimestamp());
      }
    }
  }
}
TOP

Related Classes of com.alibaba.wasp.util.ResultInHBasePrinter

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.