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root/jsr166/jsr166/src/jdk7/java/util/concurrent/ConcurrentMap.java

Comparing jsr166/src/jdk7/java/util/concurrent/ConcurrentMap.java (file contents):
Revision 1.1 by dl, Sun Dec 16 20:55:15 2012 UTC vs.
Revision 1.4 by jsr166, Sun Jan 18 20:17:32 2015 UTC

#	Line 5 | Line 5
5		*/
6
7		package java.util.concurrent;
8	+
9		import java.util.Map;
10
11		/**
12		* A {@link java.util.Map} providing additional atomic
13	<	* <tt>putIfAbsent</tt>, <tt>remove</tt>, and <tt>replace</tt> methods.
13	>	* {@code putIfAbsent}, {@code remove}, and {@code replace} methods.
14		*
15		* <p>Memory consistency effects: As with other concurrent
16		* collections, actions in a thread prior to placing an object into a
#	Line 27 | Line 28 | import java.util.Map;
28		* @param <K> the type of keys maintained by this map
29		* @param <V> the type of mapped values
30		*/
31	<	public interface ConcurrentMap<K, V> extends Map<K, V> {
31	>	public interface ConcurrentMap<K,V> extends Map<K,V> {
32		/**
33		* If the specified key is not already associated
34		* with a value, associate it with the given value.
#	Line 43 | Line 44 | public interface ConcurrentMap<K, V> ext
44		* @param key key with which the specified value is to be associated
45		* @param value value to be associated with the specified key
46		* @return the previous value associated with the specified key, or
47	<	*         <tt>null</tt> if there was no mapping for the key.
48	<	*         (A <tt>null</tt> return can also indicate that the map
49	<	*         previously associated <tt>null</tt> with the key,
47	>	*         {@code null} if there was no mapping for the key.
48	>	*         (A {@code null} return can also indicate that the map
49	>	*         previously associated {@code null} with the key,
50		*         if the implementation supports null values.)
51	<	* @throws UnsupportedOperationException if the <tt>put</tt> operation
51	>	* @throws UnsupportedOperationException if the {@code put} operation
52		*         is not supported by this map
53		* @throws ClassCastException if the class of the specified key or value
54		*         prevents it from being stored in this map
#	Line 72 | Line 73 | public interface ConcurrentMap<K, V> ext
73		*
74		* @param key key with which the specified value is associated
75		* @param value value expected to be associated with the specified key
76	<	* @return <tt>true</tt> if the value was removed
77	<	* @throws UnsupportedOperationException if the <tt>remove</tt> operation
76	>	* @return {@code true} if the value was removed
77	>	* @throws UnsupportedOperationException if the {@code remove} operation
78		*         is not supported by this map
79		* @throws ClassCastException if the key or value is of an inappropriate
80		*         type for this map
#	Line 99 | Line 100 | public interface ConcurrentMap<K, V> ext
100		* @param key key with which the specified value is associated
101		* @param oldValue value expected to be associated with the specified key
102		* @param newValue value to be associated with the specified key
103	<	* @return <tt>true</tt> if the value was replaced
104	<	* @throws UnsupportedOperationException if the <tt>put</tt> operation
103	>	* @return {@code true} if the value was replaced
104	>	* @throws UnsupportedOperationException if the {@code put} operation
105		*         is not supported by this map
106		* @throws ClassCastException if the class of a specified key or value
107		*         prevents it from being stored in this map
#	Line 125 | Line 126 | public interface ConcurrentMap<K, V> ext
126		* @param key key with which the specified value is associated
127		* @param value value to be associated with the specified key
128		* @return the previous value associated with the specified key, or
129	<	*         <tt>null</tt> if there was no mapping for the key.
130	<	*         (A <tt>null</tt> return can also indicate that the map
131	<	*         previously associated <tt>null</tt> with the key,
129	>	*         {@code null} if there was no mapping for the key.
130	>	*         (A {@code null} return can also indicate that the map
131	>	*         previously associated {@code null} with the key,
132		*         if the implementation supports null values.)
133	<	* @throws UnsupportedOperationException if the <tt>put</tt> operation
133	>	* @throws UnsupportedOperationException if the {@code put} operation
134		*         is not supported by this map
135		* @throws ClassCastException if the class of the specified key or value
136		*         prevents it from being stored in this map

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