Class DefaultEvictionPolicy<T>
java.lang.Object
org.apache.tomcat.dbcp.pool2.impl.DefaultEvictionPolicy<T>
- Type Parameters:
- T- the type of objects in the pool.
- All Implemented Interfaces:
- EvictionPolicy<T>
Provides the default implementation of 
EvictionPolicy used by the pools.
 Objects will be evicted if the following conditions are met:
- The object has been idle longer than
     BaseGenericObjectPool.getMinEvictableIdleDuration()/BaseGenericObjectPool.getMinEvictableIdleDuration()
- There are more than GenericObjectPool.getMinIdle()/GenericKeyedObjectPoolConfig.getMinIdlePerKey()idle objects in the pool and the object has been idle for longer thanBaseGenericObjectPool.getSoftMinEvictableIdleDuration()/BaseGenericObjectPool.getSoftMinEvictableIdleDuration()
This class is immutable and thread-safe.
- Since:
- 2.0
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Constructor SummaryConstructors
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Method SummaryModifier and TypeMethodDescriptionbooleanevict(EvictionConfig config, PooledObject<T> underTest, int idleCount) Tests if an idle object in the pool should be evicted or not.
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Constructor Details- 
DefaultEvictionPolicypublic DefaultEvictionPolicy()
 
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Method Details- 
evictDescription copied from interface:EvictionPolicyTests if an idle object in the pool should be evicted or not.- Specified by:
- evictin interface- EvictionPolicy<T>
- Parameters:
- config- The pool configuration settings related to eviction
- underTest- The pooled object being tested for eviction
- idleCount- The current number of idle objects in the pool including the object under test
- Returns:
- trueif the object should be evicted, otherwise- false
 
 
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