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/**
* 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 org.apache.hadoop.hbase.regionserver.wal;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.commons.cli.PosixParser;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.FSUtils;
import org.apache.hadoop.hbase.HBaseInterfaceAudience;
import org.apache.hadoop.hbase.wal.WALPrettyPrinter;
import org.codehaus.jackson.map.ObjectMapper;
/**
* HLogPrettyPrinter prints the contents of a given HLog with a variety of
* options affecting formatting and extent of content.
*
* It targets two usage cases: pretty printing for ease of debugging directly by
* humans, and JSON output for consumption by monitoring and/or maintenance
* scripts.
*
* It can filter by row, region, or sequence id.
*
* It can also toggle output of values.
*
* @deprecated use the "hbase wal" command
*/
@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)
@InterfaceStability.Evolving
@Deprecated
public class HLogPrettyPrinter extends WALPrettyPrinter {
/**
* Basic constructor that simply initializes values to reasonable defaults.
*/
public HLogPrettyPrinter() {
this(false, false, -1l, null, null, false, System.out);
}
/**
* Fully specified constructor.
*
* @param outputValues
* when true, enables output of values along with other log
* information
* @param outputJSON
* when true, enables output in JSON format rather than a
* "pretty string"
* @param sequence
* when nonnegative, serves as a filter; only log entries with this
* sequence id will be printed
* @param region
* when not null, serves as a filter; only log entries from this
* region will be printed
* @param row
* when not null, serves as a filter; only log entries from this row
* will be printed
* @param persistentOutput
* keeps a single list running for multiple files. if enabled, the
* endPersistentOutput() method must be used!
* @param out
* Specifies an alternative to stdout for the destination of this
* PrettyPrinter's output.
*/
public HLogPrettyPrinter(boolean outputValues, boolean outputJSON,
long sequence, String region, String row, boolean persistentOutput,
PrintStream out) {
super(outputValues, outputJSON, sequence, region, row, persistentOutput, out);
}
public static void main(String[] args) throws IOException {
WALPrettyPrinter.main(args);
}
}