Cross Reference: /libcore/luni/src/main/java/java/util/concurrent/ConcurrentMap.java

Lines Matching defs:key
21  * {@code ConcurrentMap} as a key or value
33      * If the specified key is not already associated
37      * if (!map.containsKey(key))
38      *   return map.put(key, value);
40      *   return map.get(key);}</pre>
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      *         {@code null} if there was no mapping for the key.
49      *         previously associated {@code null} with the key,
53      * @throws ClassCastException if the class of the specified key or value
55      * @throws NullPointerException if the specified key or value is null,
57      * @throws IllegalArgumentException if some property of the specified key
60     V putIfAbsent(K key, V value);
63      * Removes the entry for a key only if currently mapped to a given value.
66      * if (map.containsKey(key) && map.get(key).equals(value)) {
67      *   map.remove(key);
74      * @param key key with which the specified value is associated
75      * @param value value expected to be associated with the specified key
79      * @throws ClassCastException if the key or value is of an inappropriate
82      * @throws NullPointerException if the specified key or value is null,
86     boolean remove(Object key, Object value);
89      * Replaces the entry for a key only if currently mapped to a given value.
92      * if (map.containsKey(key) && map.get(key).equals(oldValue)) {
93      *   map.put(key, newValue);
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
106      * @throws ClassCastException if the class of a specified key or value
108      * @throws NullPointerException if a specified key or value is null,
110      * @throws IllegalArgumentException if some property of a specified key
113     boolean replace(K key, V oldValue, V newValue);
116      * Replaces the entry for a key only if currently mapped to some value.
119      * if (map.containsKey(key)) {
120      *   return map.put(key, value);
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      *         {@code null} if there was no mapping for the key.
131      *         previously associated {@code null} with the key,
135      * @throws ClassCastException if the class of the specified key or value
137      * @throws NullPointerException if the specified key or value is null,
139      * @throws IllegalArgumentException if some property of the specified key
142     V replace(K key, V value);