Example usage for org.apache.commons.pool2 KeyedObjectPool returnObject

Introduction

In this page you can find the example usage for org.apache.commons.pool2 KeyedObjectPool returnObject.

Prototype

void returnObject(K key, V obj) throws Exception;

Source Link

Document

Return an instance to the pool.

Usage

From source file:org.openhab.binding.modbus.internal.SimultaneousReadWriteTestCase.java

@Test
public void testPoolBlocks() throws Exception {
    final KeyedObjectPool<ModbusSlaveEndpoint, ModbusSlaveConnection> pool = ModbusBinding
            .getReconstructedConnectionPoolForTesting();

    final ModbusTCPSlaveEndpoint endpoint = new ModbusTCPSlaveEndpoint(localAddress().getHostAddress(),
            this.tcpModbusPort);

    ModbusSlaveConnection borrowObject = pool.borrowObject(endpoint);
    Thread thread = new Thread() {
        @Override/*from ww w  .  j a  v a 2  s  .co  m*/
        public void run() {
            try {
                ModbusSlaveConnection borrowObject2 = pool.borrowObject(endpoint);
                pool.returnObject(endpoint, borrowObject2);
            } catch (Exception e) {
                e.printStackTrace(System.err);
            }
        }
    };
    thread.start();
    thread.join(500);
    if (!thread.isAlive()) {
        throw new AssertionError("Thread should still be alive -- blocking since no objects");
    } else {
        thread.interrupt();
    }

    pool.returnObject(endpoint, borrowObject);
    // Now that object has been returned, borrowing should work again
    ModbusSlaveConnection borrowObject2 = pool.borrowObject(endpoint);
    pool.returnObject(endpoint, borrowObject2);

}

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From source file:org.openhab.io.transport.modbus.internal.ModbusManagerImpl.java

private void returnConnection(ModbusSlaveEndpoint endpoint, Optional<ModbusSlaveConnection> connection) {
    KeyedObjectPool<ModbusSlaveEndpoint, ModbusSlaveConnection> pool = connectionPool;
    if (pool == null) {
        return;/*from   w w w .j  a v  a 2s. c  o  m*/
    }
    long start = System.currentTimeMillis();
    connection.ifPresent(con -> {
        try {
            pool.returnObject(endpoint, con);
            logger.trace("returned connection to pool for endpoint {}", endpoint);
        } catch (Exception e) {
            logger.warn("Error returning connection to pool for endpoint {}. Error was: {} {}", endpoint,
                    e.getClass().getName(), e.getMessage(), e);
        }
    });
    logger.trace("returning connection for endpoint {} took {} ms", endpoint,
            System.currentTimeMillis() - start);
}

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