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comparison: mobile/android/thirdparty/ch/boye/httpclientandroidlib/ConnectionReuseStrategy.java
mobile/android/thirdparty/ch/boye/httpclientandroidlib/ConnectionReuseStrategy.java
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| 1 /* | |
| 2 * ==================================================================== | |
| 3 * Licensed to the Apache Software Foundation (ASF) under one | |
| 4 * or more contributor license agreements. See the NOTICE file | |
| 5 * distributed with this work for additional information | |
| 6 * regarding copyright ownership. The ASF licenses this file | |
| 7 * to you under the Apache License, Version 2.0 (the | |
| 8 * "License"); you may not use this file except in compliance | |
| 9 * with the License. You may obtain a copy of the License at | |
| 10 * | |
| 11 * http://www.apache.org/licenses/LICENSE-2.0 | |
| 12 * | |
| 13 * Unless required by applicable law or agreed to in writing, | |
| 14 * software distributed under the License is distributed on an | |
| 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
| 16 * KIND, either express or implied. See the License for the | |
| 17 * specific language governing permissions and limitations | |
| 18 * under the License. | |
| 19 * ==================================================================== | |
| 20 * | |
| 21 * This software consists of voluntary contributions made by many | |
| 22 * individuals on behalf of the Apache Software Foundation. For more | |
| 23 * information on the Apache Software Foundation, please see | |
| 24 * <http://www.apache.org/>. | |
| 25 * | |
| 26 */ | |
| 27 | |
| 28 package ch.boye.httpclientandroidlib; | |
| 29 | |
| 30 import ch.boye.httpclientandroidlib.protocol.HttpContext; | |
| 31 | |
| 32 /** | |
| 33 * Interface for deciding whether a connection can be re-used for | |
| 34 * subsequent requests and should be kept alive. | |
| 35 * <p> | |
| 36 * Implementations of this interface must be thread-safe. Access to shared | |
| 37 * data must be synchronized as methods of this interface may be executed | |
| 38 * from multiple threads. | |
| 39 * | |
| 40 * @since 4.0 | |
| 41 */ | |
| 42 public interface ConnectionReuseStrategy { | |
| 43 | |
| 44 /** | |
| 45 * Decides whether a connection can be kept open after a request. | |
| 46 * If this method returns <code>false</code>, the caller MUST | |
| 47 * close the connection to correctly comply with the HTTP protocol. | |
| 48 * If it returns <code>true</code>, the caller SHOULD attempt to | |
| 49 * keep the connection open for reuse with another request. | |
| 50 * <br/> | |
| 51 * One can use the HTTP context to retrieve additional objects that | |
| 52 * may be relevant for the keep-alive strategy: the actual HTTP | |
| 53 * connection, the original HTTP request, target host if known, | |
| 54 * number of times the connection has been reused already and so on. | |
| 55 * <br/> | |
| 56 * If the connection is already closed, <code>false</code> is returned. | |
| 57 * The stale connection check MUST NOT be triggered by a | |
| 58 * connection reuse strategy. | |
| 59 * | |
| 60 * @param response | |
| 61 * The last response received over that connection. | |
| 62 * @param context the context in which the connection is being | |
| 63 * used. | |
| 64 * | |
| 65 * @return <code>true</code> if the connection is allowed to be reused, or | |
| 66 * <code>false</code> if it MUST NOT be reused | |
| 67 */ | |
| 68 boolean keepAlive(HttpResponse response, HttpContext context); | |
| 69 | |
| 70 } |
