Package org.apache.hadoop.hbase

Class HBaseCommonTestingUtil.PortAllocator

java.lang.Object

org.apache.hadoop.hbase.HBaseCommonTestingUtil.PortAllocator

Enclosing class:

HBaseCommonTestingUtil

static class HBaseCommonTestingUtil.PortAllocator
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static interface	HBaseCommonTestingUtil.PortAllocator.AvailablePortChecker

Field Summary

Fields

Modifier and Type	Field	Description
private static final int	MAX_RANDOM_PORT
private static final int	MIN_RANDOM_PORT
private final HBaseCommonTestingUtil.PortAllocator.AvailablePortChecker	portChecker
private final Random	random
private final Set<Integer>	takenRandomPorts	A set of ports that have been claimed using randomFreePort().

Constructor Summary

Constructors

Constructor	Description
PortAllocator()
PortAllocator(Random random, HBaseCommonTestingUtil.PortAllocator.AvailablePortChecker portChecker)
PortAllocator(HBaseCommonTestingUtil.PortAllocator.AvailablePortChecker portChecker)

Method Summary

Modifier and Type	Method	Description
int	randomFreePort()	Returns a random free port and marks that port as taken.
private int	randomPort()	Returns a random port.

Methods inherited from class java.lang.Object

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

Field Details

MIN_RANDOM_PORT

private static final int MIN_RANDOM_PORT

See Also:

• Constant Field Values

MAX_RANDOM_PORT

private static final int MAX_RANDOM_PORT

See Also:

• Constant Field Values

takenRandomPorts

private final Set<Integer> takenRandomPorts

A set of ports that have been claimed using randomFreePort().

random

private final Random random

portChecker

private final HBaseCommonTestingUtil.PortAllocator.AvailablePortChecker portChecker

Constructor Details

PortAllocator

public PortAllocator()

PortAllocator

public PortAllocator(Random random,
 HBaseCommonTestingUtil.PortAllocator.AvailablePortChecker portChecker)

PortAllocator

public PortAllocator(HBaseCommonTestingUtil.PortAllocator.AvailablePortChecker portChecker)

Method Details

randomFreePort

public int randomFreePort()

Returns a random free port and marks that port as taken. Not thread-safe. Expected to be called from single-threaded test setup code/

randomPort

private int randomPort()

Returns a random port. These ports cannot be registered with IANA and are intended for dynamic allocation (see http://bit.ly/dynports).