All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.apache.http.ConnectionReuseStrategy Maven / Gradle / Ivy

There is a newer version: 1.0.1437
Show newest version
/*
 * ====================================================================
 * 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
 * .
 *
 */

package org.apache.http;

import org.apache.http.protocol.HttpContext;

/**
 * Interface for deciding whether a connection can be re-used for
 * subsequent requests and should be kept alive.
 * 

* Implementations of this interface must be thread-safe. Access to shared * data must be synchronized as methods of this interface may be executed * from multiple threads. * * @since 4.0 */ public interface ConnectionReuseStrategy { /** * Decides whether a connection can be kept open after a request. * If this method returns {@code false}, the caller MUST * close the connection to correctly comply with the HTTP protocol. * If it returns {@code true}, the caller SHOULD attempt to * keep the connection open for reuse with another request. *

* One can use the HTTP context to retrieve additional objects that * may be relevant for the keep-alive strategy: the actual HTTP * connection, the original HTTP request, target host if known, * number of times the connection has been reused already and so on. *

*

* If the connection is already closed, {@code false} is returned. * The stale connection check MUST NOT be triggered by a * connection reuse strategy. *

* * @param response * The last response received over that connection. * @param context the context in which the connection is being * used. * * @return {@code true} if the connection is allowed to be reused, or * {@code false} if it MUST NOT be reused */ boolean keepAlive(HttpResponse response, HttpContext context); }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy