Package org.alfresco.util

Class ThreadPoolExecutorFactoryBean

java.lang.Object
org.alfresco.util.ThreadPoolExecutorFactoryBean
All Implemented Interfaces:
org.springframework.beans.factory.DisposableBean, org.springframework.beans.factory.FactoryBean, org.springframework.beans.factory.InitializingBean
public class ThreadPoolExecutorFactoryBean extends Object implements org.springframework.beans.factory.FactoryBean, org.springframework.beans.factory.InitializingBean, org.springframework.beans.factory.DisposableBean
Factory for ThreadPoolExecutor instances, which cannot easily be constructed using constructor injection. This instance also allows the setting of the thread-specific properties that would otherwise require setting a ThreadFactory.

This factory provides the a singleton instance of the pool.

Defaults are:

Author:
Derek Hulley

  • Constructor Details

    • ThreadPoolExecutorFactoryBean

      public ThreadPoolExecutorFactoryBean()
      Constructor setting default properties:

  • Method Details

    • setCorePoolSize

      public void setCorePoolSize(int corePoolSize)
      The number of threads to keep in the pool, even if idle.
      Parameters:
      corePoolSize - core thread count

    • setMaximumPoolSize

      public void setMaximumPoolSize(int maximumPoolSize)
      The maximum number of threads to keep in the pool
      Parameters:
      maximumPoolSize - the maximum number of threads in the pool

    • setKeepAliveTime

      public void setKeepAliveTime(int keepAliveTime)
      The time (in seconds) to keep non-core idle threads in the pool
      Parameters:
      keepAliveTime - time to stay idle in seconds

    • setThreadPriority

      public void setThreadPriority(int threadPriority)
      The priority that all threads must have on the scale of 1 to 10, where 1 has the lowest priority and 10 has the highest priority.
      Parameters:
      threadPriority - the thread priority

    • setThreadDaemon

      public void setThreadDaemon(boolean threadDaemon)
      Set whether the threads run as daemon threads or not.
      Parameters:
      threadDaemon - true to run as daemon

    • setWorkQueueSize

      public void setWorkQueueSize(int workQueueSize)
      The maximum number of queued work instances to keep before blocking against further adds.
      Parameters:
      workQueueSize - the queue size before blocks, or -1 default to indicate no upper bound

    • setRejectedExecutionHandler

      public void setRejectedExecutionHandler(RejectedExecutionHandler rejectedExecutionHandler)
      The optional handler for when tasks cannot be submitted to the queue. The default is the CallerRunsPolicy.
      Parameters:
      rejectedExecutionHandler - the handler to use

    • afterPropertiesSet

      public void afterPropertiesSet() throws Exception
      Specified by:
      afterPropertiesSet in interface org.springframework.beans.factory.InitializingBean
      Throws:
      Exception

    • isSingleton

      public boolean isSingleton()
      Specified by:
      isSingleton in interface org.springframework.beans.factory.FactoryBean
      Returns:
      Returns true always.

    • getObject

      public Object getObject() throws Exception
      Specified by:
      getObject in interface org.springframework.beans.factory.FactoryBean
      Returns:
      Returns the singleton instance.
      Throws:
      Exception

    • getObjectType

      public Class getObjectType()
      Specified by:
      getObjectType in interface org.springframework.beans.factory.FactoryBean
      See Also:

    • getPoolName

      public String getPoolName()

    • setPoolName

      public void setPoolName(String poolName)

    • destroy

      public void destroy()
      Specified by:
      destroy in interface org.springframework.beans.factory.DisposableBean