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java.lang.Objectgnu.trove.THash
gnu.trove.TPrimitiveHash
gnu.trove.TShortHash
gnu.trove.TShortShortHashMap
public class TShortShortHashMap
An open addressed Map implementation for short keys and short values. Created: Sun Nov 4 08:52:45 2001
| Field Summary | |
|---|---|
protected short[] |
_values
the values of the map |
| Fields inherited from class gnu.trove.TShortHash |
|---|
_hashingStrategy, _set |
| Fields inherited from class gnu.trove.TPrimitiveHash |
|---|
_states, FREE, FULL, REMOVED |
| Fields inherited from class gnu.trove.THash |
|---|
_autoCompactionFactor, _autoCompactRemovesRemaining, _free, _loadFactor, _maxSize, _size, DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR |
| Constructor Summary | |
|---|---|
TShortShortHashMap()
Creates a new TShortShortHashMap instance with the default
capacity and load factor. |
|
TShortShortHashMap(int initialCapacity)
Creates a new TShortShortHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor. |
|
TShortShortHashMap(int initialCapacity,
float loadFactor)
Creates a new TShortShortHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor. |
|
TShortShortHashMap(int initialCapacity,
float loadFactor,
TShortHashingStrategy strategy)
Creates a new TShortShortHashMap instance with a prime
value at or near the specified capacity and load factor. |
|
TShortShortHashMap(int initialCapacity,
TShortHashingStrategy strategy)
Creates a new TShortShortHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime. |
|
TShortShortHashMap(TShortHashingStrategy strategy)
Creates a new TShortShortHashMap instance with the default
capacity and load factor. |
|
| Method Summary | |
|---|---|
short |
adjustOrPutValue(short key,
short adjust_amount,
short put_amount)
Adjusts the primitive value mapped to the key if the key is present in the map. |
boolean |
adjustValue(short key,
short amount)
Adjusts the primitive value mapped to key. |
void |
clear()
Empties the map. |
java.lang.Object |
clone()
|
boolean |
containsKey(short key)
checks for the present of key in the keys of the map. |
boolean |
containsValue(short val)
checks for the presence of val in the values of the map. |
boolean |
equals(java.lang.Object other)
Compares this map with another map for equality of their stored entries. |
boolean |
forEachEntry(TShortShortProcedure procedure)
Executes procedure for each key/value entry in the map. |
boolean |
forEachKey(TShortProcedure procedure)
Executes procedure for each key in the map. |
boolean |
forEachValue(TShortProcedure procedure)
Executes procedure for each value in the map. |
short |
get(short key)
retrieves the value for key |
short[] |
getValues()
Returns the values of the map. |
int |
hashCode()
|
boolean |
increment(short key)
Increments the primitive value mapped to key by 1 |
TShortShortIterator |
iterator()
|
short[] |
keys()
returns the keys of the map. |
short[] |
keys(short[] a)
returns the keys of the map. |
short |
put(short key,
short value)
Inserts a key/value pair into the map. |
void |
putAll(TShortShortHashMap map)
Put all the entries from the given map into this map. |
short |
putIfAbsent(short key,
short value)
Inserts a key/value pair into the map if the specified key is not already associated with a value. |
void |
readExternal(java.io.ObjectInput in)
|
protected void |
rehash(int newCapacity)
rehashes the map to the new capacity. |
short |
remove(short key)
Deletes a key/value pair from the map. |
protected void |
removeAt(int index)
removes the mapping at index from the map. |
boolean |
retainEntries(TShortShortProcedure procedure)
Retains only those entries in the map for which the procedure returns a true value. |
protected int |
setUp(int initialCapacity)
initializes the hashtable to a prime capacity which is at least initialCapacity + 1. |
java.lang.String |
toString()
|
void |
transformValues(TShortFunction function)
Transform the values in this map using function. |
void |
writeExternal(java.io.ObjectOutput out)
|
| Methods inherited from class gnu.trove.TShortHash |
|---|
computeHashCode, contains, forEach, index, insertionIndex |
| Methods inherited from class gnu.trove.TPrimitiveHash |
|---|
capacity |
| Methods inherited from class gnu.trove.THash |
|---|
calculateGrownCapacity, compact, ensureCapacity, getAutoCompactionFactor, isEmpty, postInsertHook, reenableAutoCompaction, setAutoCompactionFactor, size, tempDisableAutoCompaction, trimToSize |
| Methods inherited from class java.lang.Object |
|---|
finalize, getClass, notify, notifyAll, wait, wait, wait |
| Field Detail |
|---|
protected transient short[] _values
| Constructor Detail |
|---|
public TShortShortHashMap()
TShortShortHashMap instance with the default
capacity and load factor.
public TShortShortHashMap(int initialCapacity)
TShortShortHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.
initialCapacity - an int value
public TShortShortHashMap(int initialCapacity,
float loadFactor)
TShortShortHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.
initialCapacity - an int valueloadFactor - a float valuepublic TShortShortHashMap(TShortHashingStrategy strategy)
TShortShortHashMap instance with the default
capacity and load factor.
strategy - used to compute hash codes and to compare keys.
public TShortShortHashMap(int initialCapacity,
TShortHashingStrategy strategy)
TShortShortHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime.
initialCapacity - an int valuestrategy - used to compute hash codes and to compare keys.
public TShortShortHashMap(int initialCapacity,
float loadFactor,
TShortHashingStrategy strategy)
TShortShortHashMap instance with a prime
value at or near the specified capacity and load factor.
initialCapacity - used to find a prime capacity for the table.loadFactor - used to calculate the threshold over which
rehashing takes place.strategy - used to compute hash codes and to compare keys.| Method Detail |
|---|
public java.lang.Object clone()
clone in class TShortHashpublic TShortShortIterator iterator()
protected int setUp(int initialCapacity)
setUp in class TShortHashinitialCapacity - an int value
public short put(short key,
short value)
key - an short valuevalue - an short value
public short putIfAbsent(short key,
short value)
key - an short valuevalue - an short value
public void putAll(TShortShortHashMap map)
map - The map from which entries will be obtained to put into this map.protected void rehash(int newCapacity)
rehash in class THashnewCapacity - an int valuepublic short get(short key)
key - an short value
public void clear()
clear in class THashpublic short remove(short key)
key - an short value
short value, or (short)0 if no mapping for key existspublic boolean equals(java.lang.Object other)
equals in class java.lang.Objectother - an Object value
boolean valuepublic int hashCode()
hashCode in class java.lang.Objectprotected void removeAt(int index)
removeAt in class TShortHashindex - an int valuepublic short[] getValues()
Collection valuepublic short[] keys()
Set valuepublic short[] keys(short[] a)
a - the array into which the elements of the list are to
be stored, if it is big enough; otherwise, a new array of the
same type is allocated for this purpose.
Set valuepublic boolean containsValue(short val)
val - an short value
boolean valuepublic boolean containsKey(short key)
key - an short value
boolean valuepublic boolean forEachKey(TShortProcedure procedure)
procedure - a TShortProcedure value
public boolean forEachValue(TShortProcedure procedure)
procedure - a TShortProcedure value
public boolean forEachEntry(TShortShortProcedure procedure)
procedure - a TOShortShortProcedure value
public boolean retainEntries(TShortShortProcedure procedure)
procedure - determines which entries to keep
public void transformValues(TShortFunction function)
function - a TShortFunction valuepublic boolean increment(short key)
key - the key of the value to increment
public boolean adjustValue(short key,
short amount)
key - the key of the value to incrementamount - the amount to adjust the value by.
public short adjustOrPutValue(short key,
short adjust_amount,
short put_amount)
key - the key of the value to incrementadjust_amount - the amount to adjust the value byput_amount - the value put into the map if the key is not initial present
public void writeExternal(java.io.ObjectOutput out)
throws java.io.IOException
writeExternal in interface java.io.ExternalizablewriteExternal in class THashjava.io.IOException
public void readExternal(java.io.ObjectInput in)
throws java.io.IOException,
java.lang.ClassNotFoundException
readExternal in interface java.io.ExternalizablereadExternal in class THashjava.io.IOException
java.lang.ClassNotFoundExceptionpublic java.lang.String toString()
toString in class java.lang.Object
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