org.apache.hadoop.hbase.tool

Class Canary.Monitor

java.lang.Object

org.apache.hadoop.hbase.tool.Canary.Monitor

All Implemented Interfaces:

Closeable, AutoCloseable, Runnable

Direct Known Subclasses:

Canary.RegionMonitor, Canary.RegionServerMonitor, Canary.ZookeeperMonitor

Enclosing class:

Canary

public abstract static class Canary.Monitor
extends Object
implements Runnable, Closeable

A Monitor super-class can be extended by users

Field Summary

Fields

Modifier and Type	Field and Description
protected Admin	admin
protected long	allowedFailures
protected Connection	connection
protected boolean	done
protected int	errorCode
protected ExecutorService	executor
protected boolean	initialized
protected Canary.Sink	sink
protected String[]	targets 'Target' dependent on 'mode'.
protected boolean	treatFailureAsError
protected boolean	useRegExp

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Monitor(Connection connection, String[] monitorTargets, boolean useRegExp, Canary.Sink sink, ExecutorService executor, boolean treatFailureAsError, long allowedFailures)

Method Summary

Modifier and Type	Method and Description
void	close()
boolean	finalCheckForErrors()
boolean	hasError()
protected boolean	initAdmin()
boolean	isDone()
abstract void	run()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

connection

protected Connection connection

admin

protected Admin admin

targets

protected String[] targets

'Target' dependent on 'mode'. Could be Tables or RegionServers or ZNodes. Passed on the command-line as arguments.

useRegExp

protected boolean useRegExp

treatFailureAsError

protected boolean treatFailureAsError

initialized

protected boolean initialized

done

protected boolean done

errorCode

protected int errorCode

allowedFailures

protected long allowedFailures

sink

protected Canary.Sink sink

executor

protected ExecutorService executor

Constructor Detail

Monitor

protected Monitor(Connection connection,
                  String[] monitorTargets,
                  boolean useRegExp,
                  Canary.Sink sink,
                  ExecutorService executor,
                  boolean treatFailureAsError,
                  long allowedFailures)

Method Detail

isDone

public boolean isDone()

hasError

public boolean hasError()

finalCheckForErrors

public boolean finalCheckForErrors()

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

run

public abstract void run()

Specified by:

run in interface Runnable

initAdmin

protected boolean initAdmin()