org.apache.commons.pool.PoolableObjectFactory Java Examples

/**
 * Constructor that accepts the type of pool, the connector, and the capacity
 * 
 * @param capacity
 * @param cxn
 * @param type
 */
public ResourceQueue(int capacity, Connector cxn, byte type) {
    Preconditions.checkNotNull(cxn);
    Preconditions.checkArgument(capacity > 0);
    
    this.type = type;
    
    PoolableObjectFactory<AccumuloResource> factory = new AccumuloResourceFactory(cxn);
    
    this.scannerPool = new GenericObjectPool<AccumuloResource>(factory);
    // set the max capacity
    this.scannerPool.setMaxActive(capacity);
    // amount of time to wait for a connection
    this.scannerPool.setMaxWait(5000);
    // block
    this.scannerPool.setWhenExhaustedAction(type);
}
 

/**
 * Adds the given resource factory.
 * @param resourceFactory The {@link ResourceFactory} to add.
 * @exception Exception error populating the pool
 */
public void addResourceFactory(
        final ResourceFactory<T> resourceFactory) throws Exception {
    final PoolableObjectFactory<T> factory =
        new PoolableResourceFactory<T>(resourceFactory);
    final GenericObjectPool<T> pool = new GenericObjectPool<T>(factory);
    final int instances = resourceFactory.getInstances();
    pool.setMinIdle(instances);
    pool.setMaxActive(instances);
    pool.setMaxIdle(instances);
    pool.setWhenExhaustedAction(GenericObjectPool.WHEN_EXHAUSTED_FAIL);
    final String type = resourceFactory.getType();
    pools.put(type, pool);
    LOGGER.info("loading " + instances + " instance(s) of type '" + type
            + "'");
    for (int i = 0; i < instances; i++) {
        pool.addObject();
    }
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("...resources loaded.");
    }
}
 

/**
 * 需要一个工厂来制造池中的对象
 */
@Override
public void setFactory(PoolableObjectFactory<FTPClient> factory)
		throws IllegalStateException, UnsupportedOperationException {
}
 

@Autowired
public FirefoxDriverObjectPool(PoolableObjectFactory pof) {
    super(pof);
}
 

/**
 * Creates a new instance of Pool.
 * 
 * @param poolConfig
 * @param factory
 */
public Pool(final GenericObjectPool.Config poolConfig, PoolableObjectFactory factory) {
    this.internalPool = new GenericObjectPool(factory, poolConfig);
}