Package com.mchange.v2.resourcepool
Class ResourcePoolFactory
- java.lang.Object
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- com.mchange.v2.resourcepool.ResourcePoolFactory
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- Direct Known Subclasses:
BasicResourcePoolFactory
public abstract class ResourcePoolFactory extends java.lang.ObjectA Factory for ResourcePools. ResourcePoolFactories may manage resources (usually threads that perform maintenance tasks) that are shared by all pools that they create. Clients who require a large number of pools may wish to create their own factory instances rather than using the shared instance to control the degree of resource (Thread) sharing among pools.
Factories should (and the default implementation does) be careful to ensure that factories keep resources open only while there are active ResourcePools that they have created.
Subclasses must mark all methods synchronized so that clients may reliably use shared factories to do stuff like...
synchronized (factory) { factory.setMin(8); factory.setMax(24); ResourcePool rp = factory.createPool(); }
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Constructor Summary
Constructors Constructor Description ResourcePoolFactory()
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Method Summary
All Methods Static Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description static ResourcePoolFactorycreateInstance()static ResourcePoolFactorycreateInstance(int num_task_threads)static ResourcePoolFactorycreateInstance(com.mchange.v2.async.AsynchronousRunner taskRunner, com.mchange.v2.async.RunnableQueue asyncEventQueue, java.util.Timer cullTimer)Any or all of these arguments can be null -- any unspecified resources will be created and cleaned up internally.static ResourcePoolFactorycreateInstance(com.mchange.v2.async.Queuable taskRunnerEventQueue, java.util.Timer cullTimer)abstract ResourcePoolcreatePool(ResourcePool.Manager mgr)abstract intgetAcquisitionRetryAttempts()abstract intgetAcquisitionRetryDelay()abstract booleangetBreakOnAcquisitionFailure()abstract booleangetDebugStoreCheckoutStackTrace()abstract longgetDestroyOverdueResourceTime()abstract longgetExcessResourceMaxIdleTime()abstract longgetExpirationEnforcementDelay()abstract booleangetForceSynchronousCheckins()abstract longgetIdleResourceTestPeriod()abstract intgetIncrement()abstract intgetMax()abstract intgetMin()abstract longgetResourceMaxAge()abstract longgetResourceMaxIdleTime()static ResourcePoolFactorygetSharedInstance()abstract intgetStart()abstract voidsetAcquisitionRetryAttempts(int retry_attempts)abstract voidsetAcquisitionRetryDelay(int retry_delay)abstract voidsetBreakOnAcquisitionFailure(boolean b)abstract voidsetDebugStoreCheckoutStackTrace(boolean debug_store_checkout_stacktrace)abstract voidsetDestroyOverdueResourceTime(long millis)abstract voidsetExcessResourceMaxIdleTime(long millis)abstract voidsetExpirationEnforcementDelay(long millis)abstract voidsetForceSynchronousCheckins(boolean force_synchronous_checkins)abstract voidsetIdleResourceTestPeriod(long test_period)abstract voidsetIncrement(int max)abstract voidsetMax(int max)abstract voidsetMin(int min)abstract voidsetResourceMaxAge(long millis)abstract voidsetResourceMaxIdleTime(long millis)abstract voidsetStart(int start)
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Method Detail
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getSharedInstance
public static ResourcePoolFactory getSharedInstance() throws ResourcePoolException
- Throws:
ResourcePoolException
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createInstance
public static ResourcePoolFactory createInstance()
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createInstance
public static ResourcePoolFactory createInstance(int num_task_threads)
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createInstance
public static ResourcePoolFactory createInstance(com.mchange.v2.async.AsynchronousRunner taskRunner, com.mchange.v2.async.RunnableQueue asyncEventQueue, java.util.Timer cullTimer)
Any or all of these arguments can be null -- any unspecified resources will be created and cleaned up internally.
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createInstance
public static ResourcePoolFactory createInstance(com.mchange.v2.async.Queuable taskRunnerEventQueue, java.util.Timer cullTimer)
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setMin
public abstract void setMin(int min) throws ResourcePoolException- Throws:
ResourcePoolException
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getMin
public abstract int getMin() throws ResourcePoolException- Throws:
ResourcePoolException
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setMax
public abstract void setMax(int max) throws ResourcePoolException- Throws:
ResourcePoolException
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getStart
public abstract int getStart() throws ResourcePoolException- Throws:
ResourcePoolException
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setStart
public abstract void setStart(int start) throws ResourcePoolException- Throws:
ResourcePoolException
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getMax
public abstract int getMax() throws ResourcePoolException- Throws:
ResourcePoolException
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setIncrement
public abstract void setIncrement(int max) throws ResourcePoolException- Throws:
ResourcePoolException
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getIncrement
public abstract int getIncrement() throws ResourcePoolException- Throws:
ResourcePoolException
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setAcquisitionRetryAttempts
public abstract void setAcquisitionRetryAttempts(int retry_attempts) throws ResourcePoolException- Throws:
ResourcePoolException
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getAcquisitionRetryAttempts
public abstract int getAcquisitionRetryAttempts() throws ResourcePoolException- Throws:
ResourcePoolException
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setAcquisitionRetryDelay
public abstract void setAcquisitionRetryDelay(int retry_delay) throws ResourcePoolException- Throws:
ResourcePoolException
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getAcquisitionRetryDelay
public abstract int getAcquisitionRetryDelay() throws ResourcePoolException- Throws:
ResourcePoolException
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setIdleResourceTestPeriod
public abstract void setIdleResourceTestPeriod(long test_period) throws ResourcePoolException- Throws:
ResourcePoolException
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getIdleResourceTestPeriod
public abstract long getIdleResourceTestPeriod() throws ResourcePoolException- Throws:
ResourcePoolException
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setResourceMaxAge
public abstract void setResourceMaxAge(long millis) throws ResourcePoolException- Throws:
ResourcePoolException
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getResourceMaxAge
public abstract long getResourceMaxAge() throws ResourcePoolException- Throws:
ResourcePoolException
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setResourceMaxIdleTime
public abstract void setResourceMaxIdleTime(long millis) throws ResourcePoolException- Throws:
ResourcePoolException
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getResourceMaxIdleTime
public abstract long getResourceMaxIdleTime() throws ResourcePoolException- Throws:
ResourcePoolException
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setExcessResourceMaxIdleTime
public abstract void setExcessResourceMaxIdleTime(long millis) throws ResourcePoolException- Throws:
ResourcePoolException
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getExcessResourceMaxIdleTime
public abstract long getExcessResourceMaxIdleTime() throws ResourcePoolException- Throws:
ResourcePoolException
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getDestroyOverdueResourceTime
public abstract long getDestroyOverdueResourceTime() throws ResourcePoolException- Throws:
ResourcePoolException
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setDestroyOverdueResourceTime
public abstract void setDestroyOverdueResourceTime(long millis) throws ResourcePoolException- Throws:
ResourcePoolException
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setExpirationEnforcementDelay
public abstract void setExpirationEnforcementDelay(long millis) throws ResourcePoolException- Throws:
ResourcePoolException
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getExpirationEnforcementDelay
public abstract long getExpirationEnforcementDelay() throws ResourcePoolException- Throws:
ResourcePoolException
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setBreakOnAcquisitionFailure
public abstract void setBreakOnAcquisitionFailure(boolean b) throws ResourcePoolException- Throws:
ResourcePoolException
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getBreakOnAcquisitionFailure
public abstract boolean getBreakOnAcquisitionFailure() throws ResourcePoolException- Throws:
ResourcePoolException
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setDebugStoreCheckoutStackTrace
public abstract void setDebugStoreCheckoutStackTrace(boolean debug_store_checkout_stacktrace) throws ResourcePoolException- Throws:
ResourcePoolException
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getDebugStoreCheckoutStackTrace
public abstract boolean getDebugStoreCheckoutStackTrace() throws ResourcePoolException- Throws:
ResourcePoolException
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setForceSynchronousCheckins
public abstract void setForceSynchronousCheckins(boolean force_synchronous_checkins) throws ResourcePoolException- Throws:
ResourcePoolException
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getForceSynchronousCheckins
public abstract boolean getForceSynchronousCheckins() throws ResourcePoolException- Throws:
ResourcePoolException
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createPool
public abstract ResourcePool createPool(ResourcePool.Manager mgr) throws ResourcePoolException
- Throws:
ResourcePoolException
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