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1 /* |
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2 * ==================================================================== |
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3 * |
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4 * Licensed to the Apache Software Foundation (ASF) under one or more |
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5 * contributor license agreements. See the NOTICE file distributed with |
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6 * this work for additional information regarding copyright ownership. |
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7 * The ASF licenses this file to You under the Apache License, Version 2.0 |
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8 * (the "License"); you may not use this file except in compliance with |
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9 * 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, software |
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14 * distributed under the License is distributed on an "AS IS" BASIS, |
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15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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16 * See the License for the specific language governing permissions and |
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17 * limitations under the License. |
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18 * ==================================================================== |
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19 * |
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20 * This software consists of voluntary contributions made by many |
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21 * individuals on behalf of the Apache Software Foundation. For more |
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22 * information on the Apache Software Foundation, please see |
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23 * <http://www.apache.org/>. |
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24 * |
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25 */ |
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26 package ch.boye.httpclientandroidlib.annotation; |
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27 |
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28 import java.lang.annotation.Documented; |
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29 import java.lang.annotation.ElementType; |
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30 import java.lang.annotation.Retention; |
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31 import java.lang.annotation.RetentionPolicy; |
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32 import java.lang.annotation.Target; |
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33 |
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34 /** |
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35 * The class to which this annotation is applied is thread-safe. This means that |
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36 * no sequences of accesses (reads and writes to public fields, calls to public methods) |
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37 * may put the object into an invalid state, regardless of the interleaving of those actions |
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38 * by the runtime, and without requiring any additional synchronization or coordination on the |
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39 * part of the caller. |
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40 * @see NotThreadSafe |
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41 * <p> |
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42 * Based on code developed by Brian Goetz and Tim Peierls and concepts |
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43 * published in 'Java Concurrency in Practice' by Brian Goetz, Tim Peierls, |
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44 * Joshua Bloch, Joseph Bowbeer, David Holmes and Doug Lea. |
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45 */ |
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46 @Documented |
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47 @Target(ElementType.TYPE) |
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48 @Retention(RetentionPolicy.CLASS) // The original version used RUNTIME |
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49 public @interface ThreadSafe { |
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50 } |