/**
* Recover abandoned objects which have been checked out but not used since longer than the
* removeAbandonedTimeout.
*
* @param ac The configuration to use to identify abandoned objects
*/
private void removeAbandoned(AbandonedConfig ac) {
// Generate a list of abandoned objects to remove
final long now = System.currentTimeMillis();
final long timeout = now - (ac.getRemoveAbandonedTimeout() * 1000L);
ArrayList<PooledObject<T>> remove = new ArrayList<>();
Iterator<PooledObject<T>> it = allObjects.values().iterator();
while (it.hasNext()) {
PooledObject<T> pooledObject = it.next();
synchronized (pooledObject) {
if (pooledObject.getState() == PooledObjectState.ALLOCATED
&& pooledObject.getLastUsedTime() <= timeout) {
pooledObject.markAbandoned();
remove.add(pooledObject);
}
}
}
// Now remove the abandoned objects
Iterator<PooledObject<T>> itr = remove.iterator();
while (itr.hasNext()) {
PooledObject<T> pooledObject = itr.next();
if (ac.getLogAbandoned()) {
pooledObject.printStackTrace(ac.getLogWriter());
}
try {
invalidateObject(pooledObject.getObject());
} catch (Exception e) {
e.printStackTrace();
}
}
}
/**
* Sets the abandoned object removal configuration.
*
* @param abandonedConfig the new configuration to use. This is used by value.
* @see AbandonedConfig
*/
public void setAbandonedConfig(AbandonedConfig abandonedConfig) {
if (abandonedConfig == null) {
this.abandonedConfig = null;
} else {
this.abandonedConfig = new AbandonedConfig();
this.abandonedConfig.setLogAbandoned(abandonedConfig.getLogAbandoned());
this.abandonedConfig.setLogWriter(abandonedConfig.getLogWriter());
this.abandonedConfig.setRemoveAbandonedOnBorrow(abandonedConfig.getRemoveAbandonedOnBorrow());
this.abandonedConfig.setRemoveAbandonedOnMaintenance(
abandonedConfig.getRemoveAbandonedOnMaintenance());
this.abandonedConfig.setRemoveAbandonedTimeout(abandonedConfig.getRemoveAbandonedTimeout());
this.abandonedConfig.setUseUsageTracking(abandonedConfig.getUseUsageTracking());
}
}
/**
* Obtain the timeout before which an object will be considered to be abandoned by this pool.
*
* @return The abandoned object timeout in seconds if abandoned object removal is configured for
* this pool; Integer.MAX_VALUE otherwise.
* @see AbandonedConfig#getRemoveAbandonedTimeout()
*/
@Override
public int getRemoveAbandonedTimeout() {
AbandonedConfig ac = this.abandonedConfig;
return ac != null ? ac.getRemoveAbandonedTimeout() : Integer.MAX_VALUE;
}