org.apache.hadoop.hbase

Class ResourceChecker

java.lang.Object

org.apache.hadoop.hbase.ResourceChecker

public class ResourceChecker
extends Object

Utility class to check the resources: - log them before and after each test method - check them against a minimum or maximum - check that they don't leak during the test

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	ResourceChecker.Phase
(package private) static class	ResourceChecker.ResourceAnalyzer Class to implement for each type of resource.

Field Summary

Fields

Modifier and Type	Field and Description
private int[]	endingValues
private int[]	initialValues
private static org.slf4j.Logger	LOG
private List<ResourceChecker.ResourceAnalyzer>	ras
private String	tagLine

Constructor Summary

Constructors

Constructor and Description
ResourceChecker(String tagLine) Constructor

Method Summary

Modifier and Type	Method and Description
void	addResourceAnalyzer(ResourceChecker.ResourceAnalyzer ra) Adds a resource analyzer to the resources checked.
private void	check(int[] vals)
private void	checkEndings()
void	checkInit()
void	end() To be called as the end of a test method: - measure the resources - check vs.
private void	fill(ResourceChecker.Phase phase, int[] vals)
private void	fillEndings()
private void	fillInit()
private void	logEndings()
private void	logInit()
void	start() To be called as the beginning of a test method: - measure the resources - check vs.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final org.slf4j.Logger LOG

tagLine

private String tagLine

ras

private List<ResourceChecker.ResourceAnalyzer> ras

initialValues

private int[] initialValues

endingValues

private int[] endingValues

Constructor Detail

ResourceChecker

public ResourceChecker(String tagLine)

Constructor

Parameters:

tagLine - The tagLine is added to the logs. Must not be null.

Method Detail

fillInit

private void fillInit()

fillEndings

private void fillEndings()

fill

private void fill(ResourceChecker.Phase phase,
                  int[] vals)

checkInit

public void checkInit()

checkEndings

private void checkEndings()

check

private void check(int[] vals)

logInit

private void logInit()

logEndings

private void logEndings()

start

public void start()

To be called as the beginning of a test method: - measure the resources - check vs. the limits. - logs them.

end

public void end()

To be called as the end of a test method: - measure the resources - check vs. the limits. - check vs. the initial state - logs them.

addResourceAnalyzer

public void addResourceAnalyzer(ResourceChecker.ResourceAnalyzer ra)

Adds a resource analyzer to the resources checked.