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1 /* |
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2 * ==================================================================== |
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3 * Licensed to the Apache Software Foundation (ASF) under one |
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4 * or more contributor license agreements. See the NOTICE file |
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5 * distributed with this work for additional information |
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6 * regarding copyright ownership. The ASF licenses this file |
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7 * to you under the Apache License, Version 2.0 (the |
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8 * "License"); you may not use this file except in compliance |
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9 * with the License. You may obtain a copy of the License at |
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10 * |
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11 * http://www.apache.org/licenses/LICENSE-2.0 |
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12 * |
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13 * Unless required by applicable law or agreed to in writing, |
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14 * software distributed under the License is distributed on an |
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15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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16 * KIND, either express or implied. See the License for the |
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17 * specific language governing permissions and limitations |
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18 * under the License. |
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19 * ==================================================================== |
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20 * |
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21 * This software consists of voluntary contributions made by many |
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22 * individuals on behalf of the Apache Software Foundation. For more |
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23 * information on the Apache Software Foundation, please see |
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24 * <http://www.apache.org/>. |
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25 * |
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26 */ |
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27 |
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28 package ch.boye.httpclientandroidlib.client; |
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29 |
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30 import java.io.IOException; |
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31 |
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32 import ch.boye.httpclientandroidlib.protocol.HttpContext; |
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33 |
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34 /** |
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35 * A handler for determining if an HttpRequest should be retried after a |
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36 * recoverable exception during execution. |
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37 * <p> |
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38 * Implementations of this interface must be thread-safe. Access to shared |
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39 * data must be synchronized as methods of this interface may be executed |
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40 * from multiple threads. |
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41 * |
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42 * @since 4.0 |
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43 */ |
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44 public interface HttpRequestRetryHandler { |
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45 |
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46 /** |
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47 * Determines if a method should be retried after an IOException |
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48 * occurs during execution. |
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49 * |
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50 * @param exception the exception that occurred |
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51 * @param executionCount the number of times this method has been |
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52 * unsuccessfully executed |
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53 * @param context the context for the request execution |
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54 * |
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55 * @return <code>true</code> if the method should be retried, <code>false</code> |
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56 * otherwise |
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57 */ |
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58 boolean retryRequest(IOException exception, int executionCount, HttpContext context); |
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59 |
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60 } |