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/*
* $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk/module-client/src/main/java/org/apache/http/client/HttpRequestRetryHandler.java $
* $Revision: 535610 $
* $Date: 2007-05-06 06:28:13 -0700 (Sun, 06 May 2007) $
*
* ====================================================================
* 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.client;
import java.io.IOException;
import org.apache.http.protocol.HttpContext;
/**
* A handler for determining if an HttpRequest should be retried after a
* recoverable exception during execution.
*
* <p>
* Classes implementing this interface must synchronize access to shared
* data as methods of this interfrace may be executed from multiple threads
* </p>
*
* @author Michael Becke
* @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
*/
public interface HttpRequestRetryHandler {
/**
* Determines if a method should be retried after an IOException
* occurs during execution.
*
* @param exception the exception that occurred
* @param executionCount the number of times this method has been
* unsuccessfully executed
* @param context the context for the request execution
*
* @return <code>true</code> if the method should be retried, <code>false</code>
* otherwise
*/
boolean retryRequest(IOException exception, int executionCount, HttpContext context);
}