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java.lang.Objectorg.apache.jcs.utils.threadpool.ThreadPoolManager
This manages threadpools for an application using Doug Lea's Util Concurrent package. http://gee.cs.oswego.edu/dl/classes/EDU/oswego/cs/dl/util/concurrent/intro.html It is a singleton since threads need to be managed vm wide. This managers force you to use a bounded queue. By default it uses the current thread for execuion when the buffer is full and no free threads can be created. You can specify the props file to use or pass in a properties object prior to configuration. By default it looks for configuration information in thread_pool.properties. If set the Properties object will take precedence. If a value is not set for a particular pool, the hard coded defaults will be used. int boundarySize_DEFAULT = 75; int maximumPoolSize_DEFAULT = 150; int minimumPoolSize_DEFAULT = 4; int keepAliveTime_DEFAULT = 1000 * 60 * 5; boolean abortWhenBlocked = false; int startUpSize_DEFAULT = 4; You can configure default settings by specifying a default pool in the properties, ie "cache.ccf"
Method Summary | |
protected void |
configure()
Intialize the ThreadPoolManager and create all the pools defined in the configuration. |
static ThreadPoolManager |
getInstance()
Returns a configured instance of the ThreadPoolManger To specify a configuation file or Properties object to use call the appropriate setter prior to calling getInstance. |
ThreadPool |
getPool(java.lang.String name)
Returns a pool by name. |
java.util.ArrayList |
getPoolNames()
returns the names of all configured pools. |
static java.util.Properties |
getProps()
|
static java.lang.String |
getPropsFileName()
|
protected PoolConfiguration |
loadConfig(java.lang.String root)
Configures the default PoolConfiguration settings |
static void |
setProps(java.util.Properties props)
This will be used if it is not null on initialzation. |
static void |
setPropsFileName(java.lang.String propsFileName)
Setting this post initialization will have no effect. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
public static ThreadPoolManager getInstance()
public ThreadPool getPool(java.lang.String name)
name
-
public java.util.ArrayList getPoolNames()
public static void setPropsFileName(java.lang.String propsFileName)
propsFileName
- The propsFileName to set.public static java.lang.String getPropsFileName()
public static void setProps(java.util.Properties props)
props
- The props to set.public static java.util.Properties getProps()
protected void configure()
protected PoolConfiguration loadConfig(java.lang.String root)
root
-
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