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Java example source code file (PoolEntryRequest.java)

This example source code file (PoolEntryRequest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java tags/keywords

basicpoolentry, connectionpooltimeoutexception, interruptedexception, poolentryrequest, threading, threads, timeunit

The PoolEntryRequest.java example source code

 * ====================================================================
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 * ====================================================================
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.

package org.apache.http.impl.conn.tsccm;

import java.util.concurrent.TimeUnit;

import org.apache.http.conn.ConnectionPoolTimeoutException;

 * Encapsulates a request for a {@link BasicPoolEntry}.
 * @since 4.0
public interface PoolEntryRequest {

     * Obtains a pool entry with a connection within the given timeout.
     * If {@link #abortRequest()} is called before this completes
     * an {@link InterruptedException} is thrown.
     * @param timeout   the timeout, 0 or negative for no timeout
     * @param tunit     the unit for the <code>timeout,
     *                  may be <code>null only if there is no timeout
     * @return  pool entry holding a connection for the route
     * @throws ConnectionPoolTimeoutException
     *         if the timeout expired
     * @throws InterruptedException
     *         if the calling thread was interrupted or the request was aborted
    BasicPoolEntry getPoolEntry(
            long timeout, 
            TimeUnit tunit) throws InterruptedException, ConnectionPoolTimeoutException;

     * Aborts the active or next call to
     * {@link #getPoolEntry(long, TimeUnit)}.
    void abortRequest();

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