org.pepsoft.worldpainter.util

Class ThreadUtils

java.lang.Object

org.pepsoft.worldpainter.util.ThreadUtils

public final class ThreadUtils
extends java.lang.Object

Utility methods for working with threads and concurrency.

Field Summary

Fields

Modifier and Type	Field and Description
static long	REQUIRED_MEMORY_PER_JOB

Method Summary

Modifier and Type	Method and Description
static int	chooseThreadCount(java.lang.String operation, int jobCount) Choose a thread count taking into account the number of processor cores, the number of jobs and the available memory, assuming that each job will need at least approximately REQUIRED_MEMORY_PER_JOB bytes of memory.
static java.lang.Integer	getMostRecentThreadCount() Get the value most recently returned by chooseThreadCount(String, int), if any.

Methods inherited from class java.lang.Object

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

Field Detail

REQUIRED_MEMORY_PER_JOB

public static final long REQUIRED_MEMORY_PER_JOB

See Also:

Constant Field Values

Method Detail

chooseThreadCount

public static int chooseThreadCount(java.lang.String operation,
                                    int jobCount)

Choose a thread count taking into account the number of processor cores, the number of jobs and the available memory, assuming that each job will need at least approximately REQUIRED_MEMORY_PER_JOB bytes of memory.

Parameters:

operation - The name of the operation for use in the log entry.

jobCount - The number of jobs to be executed.

Returns:

The number of threads to use.

getMostRecentThreadCount

public static java.lang.Integer getMostRecentThreadCount()

Get the value most recently returned by chooseThreadCount(String, int), if any.