org.lockss.laaws.crawler.utils

Class ExecutorUtils

java.lang.Object

org.lockss.laaws.crawler.utils.ExecutorUtils

public class ExecutorUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ExecutorUtils.ComparableFutureTask<T>
static class	ExecutorUtils.ExecSpec

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_EXECUTOR_SPEC
static long	DEFAULT_THREAD_TIMEOUT
static String	EXEC_PREFIX
static String	PARAM_EXECUTOR_SPEC Executor Spec: queue-max;thread-max or queue-max;core-threads;max-threads
static String	PARAM_THREAD_TIMEOUT Executor thread timeout

Constructor Summary

Constructors

Constructor and Description
ExecutorUtils()

Method Summary

Modifier and Type	Method and Description
static ThreadPoolExecutor	createOrReConfigureExecutor(ThreadPoolExecutor executer, String spec, String defaultSpec)
static ThreadPoolExecutor	makePriorityExecutor(int queueMax, long threadTimeout, int coreThreads, int maxThreads)
static ExecutorUtils.ExecSpec	parsePoolSpec(String spec)
static ExecutorUtils.ExecSpec	parsePoolSpecInto(String spec, ExecutorUtils.ExecSpec eSpec)

Methods inherited from class java.lang.Object

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

Field Detail

EXEC_PREFIX

public static final String EXEC_PREFIX

See Also:

Constant Field Values

PARAM_EXECUTOR_SPEC

public static final String PARAM_EXECUTOR_SPEC

Executor Spec: queue-max;thread-max or queue-max;core-threads;max-threads

See Also:

Constant Field Values

DEFAULT_EXECUTOR_SPEC

public static final String DEFAULT_EXECUTOR_SPEC

See Also:

Constant Field Values

PARAM_THREAD_TIMEOUT

public static final String PARAM_THREAD_TIMEOUT

Executor thread timeout

See Also:

Constant Field Values

DEFAULT_THREAD_TIMEOUT

public static final long DEFAULT_THREAD_TIMEOUT

See Also:

Constant Field Values

Constructor Detail

ExecutorUtils

public ExecutorUtils()

Method Detail

createOrReConfigureExecutor

public static ThreadPoolExecutor createOrReConfigureExecutor(ThreadPoolExecutor executer,
                                                             String spec,
                                                             String defaultSpec)

makePriorityExecutor

public static ThreadPoolExecutor makePriorityExecutor(int queueMax,
                                                      long threadTimeout,
                                                      int coreThreads,
                                                      int maxThreads)

parsePoolSpec

public static ExecutorUtils.ExecSpec parsePoolSpec(String spec)

parsePoolSpecInto

public static ExecutorUtils.ExecSpec parsePoolSpecInto(String spec,
                                                       ExecutorUtils.ExecSpec eSpec)