| 866 |
|
* @param initialCapacity The implementation performs internal |
| 867 |
|
* sizing to accommodate this many elements. |
| 868 |
|
* @throws IllegalArgumentException if the initial capacity of |
| 869 |
< |
* elements is negative. |
| 869 |
> |
* elements is negative |
| 870 |
|
*/ |
| 871 |
|
public ConcurrentHashMapV8(int initialCapacity) { |
| 872 |
|
if (initialCapacity < 0) |
| 898 |
|
* performs internal sizing to accommodate this many elements, |
| 899 |
|
* given the specified load factor. |
| 900 |
|
* @param loadFactor the load factor (table density) for |
| 901 |
< |
* establishing the initial table size. |
| 901 |
> |
* establishing the initial table size |
| 902 |
|
* @throws IllegalArgumentException if the initial capacity of |
| 903 |
|
* elements is negative or the load factor is nonpositive |
| 904 |
|
* |
| 918 |
|
* performs internal sizing to accommodate this many elements, |
| 919 |
|
* given the specified load factor. |
| 920 |
|
* @param loadFactor the load factor (table density) for |
| 921 |
< |
* establishing the initial table size. |
| 921 |
> |
* establishing the initial table size |
| 922 |
|
* @param concurrencyLevel the estimated number of concurrently |
| 923 |
|
* updating threads. The implementation may use this value as |
| 924 |
|
* a sizing hint. |
| 925 |
|
* @throws IllegalArgumentException if the initial capacity is |
| 926 |
|
* negative or the load factor or concurrencyLevel are |
| 927 |
< |
* nonpositive. |
| 927 |
> |
* nonpositive |
| 928 |
|
*/ |
| 929 |
|
public ConcurrentHashMapV8(int initialCapacity, |
| 930 |
|
float loadFactor, int concurrencyLevel) { |
| 980 |
|
* @param key possible key |
| 981 |
|
* @return {@code true} if and only if the specified object |
| 982 |
|
* is a key in this table, as determined by the |
| 983 |
< |
* {@code equals} method; {@code false} otherwise. |
| 983 |
> |
* {@code equals} method; {@code false} otherwise |
| 984 |
|
* @throws NullPointerException if the specified key is null |
| 985 |
|
*/ |
| 986 |
|
public boolean containsKey(Object key) { |
| 1117 |
|
* @param mappingFunction the function to compute a value |
| 1118 |
|
* @return the current (existing or computed) value associated with |
| 1119 |
|
* the specified key, or {@code null} if the computation |
| 1120 |
< |
* returned {@code null}. |
| 1120 |
> |
* returned {@code null} |
| 1121 |
|
* @throws NullPointerException if the specified key or mappingFunction |
| 1122 |
< |
* is null, |
| 1122 |
> |
* is null |
| 1123 |
|
* @throws IllegalStateException if the computation detectably |
| 1124 |
|
* attempts a recursive update to this map that would |
| 1125 |
< |
* otherwise never complete. |
| 1125 |
> |
* otherwise never complete |
| 1126 |
|
* @throws RuntimeException or Error if the mappingFunction does so, |
| 1127 |
< |
* in which case the mapping is left unestablished. |
| 1127 |
> |
* in which case the mapping is left unestablished |
| 1128 |
|
*/ |
| 1129 |
|
public V computeIfAbsent(K key, MappingFunction<? super K, ? extends V> mappingFunction) { |
| 1130 |
|
if (key == null || mappingFunction == null) |
| 1154 |
|
* @param mappingFunction the function to compute a value |
| 1155 |
|
* @return the current value associated with |
| 1156 |
|
* the specified key, or {@code null} if the computation |
| 1157 |
< |
* returned {@code null} and the value was not otherwise present. |
| 1157 |
> |
* returned {@code null} and the value was not otherwise present |
| 1158 |
|
* @throws NullPointerException if the specified key or mappingFunction |
| 1159 |
< |
* is null, |
| 1159 |
> |
* is null |
| 1160 |
|
* @throws IllegalStateException if the computation detectably |
| 1161 |
|
* attempts a recursive update to this map that would |
| 1162 |
< |
* otherwise never complete. |
| 1162 |
> |
* otherwise never complete |
| 1163 |
|
* @throws RuntimeException or Error if the mappingFunction does so, |
| 1164 |
< |
* in which case the mapping is unchanged. |
| 1164 |
> |
* in which case the mapping is unchanged |
| 1165 |
|
*/ |
| 1166 |
|
public V compute(K key, MappingFunction<? super K, ? extends V> mappingFunction) { |
| 1167 |
|
if (key == null || mappingFunction == null) |
