Example usage for org.apache.commons.pool2 PooledObject getLastUsedTime

Introduction

In this page you can find the example usage for org.apache.commons.pool2 PooledObject getLastUsedTime.

Prototype

long getLastUsedTime();

Source Link

Document

Return an estimate of the last time this object was used.

Usage

From source file:JDBCPool.dbcp.demo.sourcecode.GenericObjectPool.java

/**
 * 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
 *//*from  www.j a  v  a  2 s  . co m*/
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<PooledObject<T>>();
    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();
        }
    }
}

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