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Annotations are now in httpcore

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git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1170154 13f79535-47bb-0310-9956-ffa450edef68
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Sebastian Bazley 2011-09-13 12:45:53 +00:00
parent 486680b5a0
commit 2ecea22e6d
4 changed files with 0 additions and 232 deletions
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75
httpclient/src/main/java/org/apache/http/annotation/GuardedBy.java
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/*
* ====================================================================
*
* 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.annotation;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* The field or method to which this annotation is applied can only be accessed
* when holding a particular lock, which may be a built-in (synchronization) lock,
* or may be an explicit java.util.concurrent.Lock.
*
* The argument determines which lock guards the annotated field or method:
* <ul>
* <li>
* <code>this</code> : The intrinsic lock of the object in whose class the field is defined.
* </li>
* <li>
* <code>class-name.this</code> : For inner classes, it may be necessary to disambiguate 'this';
* the <em>class-name.this</em> designation allows you to specify which 'this' reference is intended
* </li>
* <li>
* <code>itself</code> : For reference fields only; the object to which the field refers.
* </li>
* <li>
* <code>field-name</code> : The lock object is referenced by the (instance or static) field
* specified by <em>field-name</em>.
* </li>
* <li>
* <code>class-name.field-name</code> : The lock object is reference by the static field specified
* by <em>class-name.field-name</em>.
* </li>
* <li>
* <code>method-name()</code> : The lock object is returned by calling the named nil-ary method.
* </li>
* <li>
* <code>class-name.class</code> : The Class object for the specified class should be used as the lock object.
* </li>
* <p>
* Based on code developed by Brian Goetz and Tim Peierls and concepts
* published in 'Java Concurrency in Practice' by Brian Goetz, Tim Peierls,
* Joshua Bloch, Joseph Bowbeer, David Holmes and Doug Lea.
*/
@Documented
@Target({ElementType.FIELD, ElementType.METHOD})
@Retention(RetentionPolicy.CLASS) // The original version used RUNTIME
public @interface GuardedBy {
String value();
}

58
httpclient/src/main/java/org/apache/http/annotation/Immutable.java
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/*
* ====================================================================
*
* 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.annotation;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* The class to which this annotation is applied is immutable. This means that
* its state cannot be seen to change by callers, which implies that
* <ul>
* <li> all public fields are final, </li>
* <li> all public final reference fields refer to other immutable objects, and </li>
* <li> constructors and methods do not publish references to any internal state
* which is potentially mutable by the implementation. </li>
* </ul>
* Immutable objects may still have internal mutable state for purposes of performance
* optimization; some state variables may be lazily computed, so long as they are computed
* from immutable state and that callers cannot tell the difference.
* <p>
* Immutable objects are inherently thread-safe; they may be passed between threads or
* published without synchronization.
* <p>
* Based on code developed by Brian Goetz and Tim Peierls and concepts
* published in 'Java Concurrency in Practice' by Brian Goetz, Tim Peierls,
* Joshua Bloch, Joseph Bowbeer, David Holmes and Doug Lea.
*/
@Documented
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.CLASS) // The original version used RUNTIME
public @interface Immutable {
}

49
httpclient/src/main/java/org/apache/http/annotation/NotThreadSafe.java
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/*
* ====================================================================
*
* 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.annotation;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* The class to which this annotation is applied is not thread-safe.
* This annotation primarily exists for clarifying the non-thread-safety of a class
* that might otherwise be assumed to be thread-safe, despite the fact that it is a bad
* idea to assume a class is thread-safe without good reason.
* @see ThreadSafe
* <p>
* Based on code developed by Brian Goetz and Tim Peierls and concepts
* published in 'Java Concurrency in Practice' by Brian Goetz, Tim Peierls,
* Joshua Bloch, Joseph Bowbeer, David Holmes and Doug Lea.
*/
@Documented
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.CLASS) // The original version used RUNTIME
public @interface NotThreadSafe {
}

50
httpclient/src/main/java/org/apache/http/annotation/ThreadSafe.java
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/*
* ====================================================================
*
* 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.annotation;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* The class to which this annotation is applied is thread-safe. This means that
* no sequences of accesses (reads and writes to public fields, calls to public methods)
* may put the object into an invalid state, regardless of the interleaving of those actions
* by the runtime, and without requiring any additional synchronization or coordination on the
* part of the caller.
* @see NotThreadSafe
* <p>
* Based on code developed by Brian Goetz and Tim Peierls and concepts
* published in 'Java Concurrency in Practice' by Brian Goetz, Tim Peierls,
* Joshua Bloch, Joseph Bowbeer, David Holmes and Doug Lea.
*/
@Documented
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.CLASS) // The original version used RUNTIME
public @interface ThreadSafe {
}