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java.lang.Objectorg.apache.jcs.utils.threads.ThreadPool
A thread pool that is trying to copy the apache process management. asmuts -- Pulled out of tomcat, since it seems to move around and hide. Trying to reduce the number of dependencies
Field Summary | |
protected int |
currentThreadCount
Description of the Field |
protected int |
currentThreadsBusy
Description of the Field |
static int |
MAX_SPARE_THREADS
Description of the Field |
static int |
MAX_THREADS
Description of the Field |
protected int |
maxSpareThreads
Description of the Field |
protected int |
maxThreads
Description of the Field |
static int |
MIN_SPARE_THREADS
Description of the Field |
protected int |
minSpareThreads
Description of the Field |
protected org.apache.jcs.utils.threads.ThreadPool.MonitorRunnable |
monitor
Description of the Field |
protected java.util.Vector |
pool
Description of the Field |
protected boolean |
stopThePool
Description of the Field |
static int |
WORK_WAIT_TIMEOUT
Description of the Field |
Constructor Summary | |
ThreadPool()
Constructor for the ThreadPool object |
Method Summary | |
protected void |
adjustLimits()
Description of the Method |
protected void |
checkSpareControllers()
Called by the monitor thread to harvest idle threads. |
int |
getMaxSpareThreads()
Gets the maxSpareThreads attribute of the ThreadPool object |
int |
getMaxThreads()
Gets the maxThreads attribute of the ThreadPool object |
int |
getMinSpareThreads()
Gets the minSpareThreads attribute of the ThreadPool object |
static void |
logFull(org.apache.commons.logging.Log log,
int currentThreadCount,
int maxThreads)
Description of the Method |
protected void |
notifyThreadEnd(org.apache.jcs.utils.threads.ThreadPool.ControlRunnable c)
Inform the pool that the specific thread finish. |
protected void |
openThreads(int toOpen)
Description of the Method |
protected void |
returnController(org.apache.jcs.utils.threads.ThreadPool.ControlRunnable c)
Returns the thread to the pool. |
void |
runIt(IThreadPoolRunnable r)
Executes a given Runnable on a thread in the pool, block if needed. |
void |
setMaxSpareThreads(int maxSpareThreads)
Sets the maxSpareThreads attribute of the ThreadPool object |
void |
setMaxThreads(int maxThreads)
Sets the maxThreads attribute of the ThreadPool object |
void |
setMinSpareThreads(int minSpareThreads)
Sets the minSpareThreads attribute of the ThreadPool object |
void |
shutdown()
Stop the thread pool |
void |
start()
Description of the Method |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
public static final int MAX_THREADS
public static final int MAX_SPARE_THREADS
public static final int MIN_SPARE_THREADS
public static final int WORK_WAIT_TIMEOUT
protected java.util.Vector pool
protected org.apache.jcs.utils.threads.ThreadPool.MonitorRunnable monitor
protected int maxThreads
protected int minSpareThreads
protected int maxSpareThreads
protected int currentThreadCount
protected int currentThreadsBusy
protected boolean stopThePool
Constructor Detail |
public ThreadPool()
Method Detail |
public void start()
public void setMaxThreads(int maxThreads)
maxThreads
- The new maxThreads valuepublic int getMaxThreads()
public void setMinSpareThreads(int minSpareThreads)
minSpareThreads
- The new minSpareThreads valuepublic int getMinSpareThreads()
public void setMaxSpareThreads(int maxSpareThreads)
maxSpareThreads
- The new maxSpareThreads valuepublic int getMaxSpareThreads()
public void runIt(IThreadPoolRunnable r)
public static void logFull(org.apache.commons.logging.Log log, int currentThreadCount, int maxThreads)
public void shutdown()
protected void checkSpareControllers()
protected void returnController(org.apache.jcs.utils.threads.ThreadPool.ControlRunnable c)
protected void notifyThreadEnd(org.apache.jcs.utils.threads.ThreadPool.ControlRunnable c)
protected void adjustLimits()
protected void openThreads(int toOpen)
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