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HBASE-16452 Procedure v2 - Make ProcedureWALPrettyPrinter extend Tool

This commit is contained in:
Matteo Bertozzi 2016-08-19 09:53:50 -07:00
parent 0d6c4d92ed
commit 34b668b0a9
1 changed files with 20 additions and 20 deletions
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40
hbase-procedure/src/main/java/org/apache/hadoop/hbase/procedure2/store/wal/ProcedureWALPrettyPrinter.java
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@ -29,6 +29,7 @@ import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.commons.cli.PosixParser;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
@ -40,14 +41,16 @@ import org.apache.hadoop.hbase.classification.InterfaceStability;
import org.apache.hadoop.hbase.procedure2.Procedure;
import org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureWALEntry;
import org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureWALHeader;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
/**
* ProcedureWALPrettyPrinter prints the contents of a given ProcedureWAL file
*/
@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.TOOLS)
@InterfaceStability.Evolving
public class ProcedureWALPrettyPrinter {
private PrintStream out;
public class ProcedureWALPrettyPrinter extends Configured implements Tool {
private final PrintStream out;
public ProcedureWALPrettyPrinter() {
out = System.out;
@ -85,7 +88,6 @@ public class ProcedureWALPrettyPrinter {
}
public void processProcedureWALFile(ProcedureWALFile log) throws IOException {
log.open();
ProcedureWALHeader header = log.getHeader();
printHeader(header);
@ -96,7 +98,7 @@ public class ProcedureWALPrettyPrinter {
while (hasMore) {
ProcedureWALEntry entry = ProcedureWALFormat.readEntry(stream);
if (entry == null) {
out.print("No more entry, exiting with missing EOF");
out.println("No more entry, exiting with missing EOF");
hasMore = false;
break;
}
@ -109,7 +111,7 @@ public class ProcedureWALPrettyPrinter {
}
}
} catch (IOException e) {
out.print("got an exception while reading the procedure WAL " + e.getMessage());
out.println("got an exception while reading the procedure WAL " + e.getMessage());
}
finally {
log.close();
@ -138,10 +140,6 @@ public class ProcedureWALPrettyPrinter {
out.println();
}
public static void main(String[] args) throws IOException {
run(args);
}
/**
* Pass one or more log file names and formatting options and it will dump out
* a text version of the contents on <code>stdout</code>.
@ -151,18 +149,15 @@ public class ProcedureWALPrettyPrinter {
* @throws IOException
* Thrown upon file system errors etc.
*/
public static void run(String[] args) throws IOException {
public int run(final String[] args) throws IOException {
// create options
Options options = new Options();
options.addOption("h", "help", false, "Output help message");
options.addOption("f", "file", true, "File to print");
List<Path> files = new ArrayList<Path>();
ProcedureWALPrettyPrinter printer = new ProcedureWALPrettyPrinter();
CommandLineParser parser = new PosixParser();
final List<Path> files = new ArrayList<Path>();
try {
CommandLine cmd = parser.parse(options, args);
CommandLine cmd = new PosixParser().parse(options, args);
if (cmd.hasOption("f")) {
files.add(new Path(cmd.getOptionValue("f")));
@ -171,19 +166,24 @@ public class ProcedureWALPrettyPrinter {
if (files.size() == 0 || cmd.hasOption("h")) {
HelpFormatter formatter = new HelpFormatter();
formatter.printHelp("ProcedureWALPrettyPrinter ", options, true);
System.exit(-1);
return(-1);
}
} catch (ParseException e) {
e.printStackTrace();
HelpFormatter formatter = new HelpFormatter();
formatter.printHelp("ProcedureWALPrettyPrinter ", options, true);
System.exit(-1);
return(-1);
}
// get configuration, file system, and process the given files
Configuration conf = HBaseConfiguration.create();
for (Path file : files) {
printer.processFile(conf, file);
processFile(getConf(), file);
}
return(0);
}
public static void main(String[] args) throws Exception {
final Configuration conf = HBaseConfiguration.create();
int exitCode = ToolRunner.run(conf, new ProcedureWALPrettyPrinter(), args);
System.exit(exitCode);
}
}