Package me.ahoo.cosid.util

Enum Class ProcessId

java.lang.Object

java.lang.Enum<ProcessId>

me.ahoo.cosid.util.ProcessId

All Implemented Interfaces:

Serializable, Comparable<ProcessId>, Constable

@Immutable
public enum ProcessId
extends Enum<ProcessId>

Utility for getting current process information.

Provides access to the current process ID and process name, useful for machine identification in distributed ID generation.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
CURRENT	Singleton instance for current process.

Method Summary

Modifier and Type	Method	Description
static int	getCurrentProcessId()	Gets the current process ID.
static String	getCurrentProcessName()	Gets the current process name.
int	getProcessId()	Gets the process ID.
static ProcessId	valueOf(String name)	Returns the enum constant of this class with the specified name.
static ProcessId[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

CURRENT

public static final ProcessId CURRENT

Singleton instance for current process.

Method Details

values

public static ProcessId[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static ProcessId valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null

getProcessId

public int getProcessId()

Gets the process ID.

Returns:

the process ID

getCurrentProcessName

public static String getCurrentProcessName()

Gets the current process name.

Returns:

process name (typically in format pid@hostname)

getCurrentProcessId

public static int getCurrentProcessId()

Gets the current process ID.

Returns:

the process ID extracted from process name