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java.lang.Objectgnu.trove.THash
gnu.trove.TPrimitiveHash
gnu.trove.TIntHash
gnu.trove.TIntShortHashMap
public class TIntShortHashMap
An open addressed Map implementation for int 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.TIntHash |
|---|
_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 | |
|---|---|
TIntShortHashMap()
Creates a new TIntShortHashMap instance with the default
capacity and load factor. |
|
TIntShortHashMap(int initialCapacity)
Creates a new TIntShortHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor. |
|
TIntShortHashMap(int initialCapacity,
float loadFactor)
Creates a new TIntShortHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor. |
|
TIntShortHashMap(int initialCapacity,
float loadFactor,
TIntHashingStrategy strategy)
Creates a new TIntShortHashMap instance with a prime
value at or near the specified capacity and load factor. |
|
TIntShortHashMap(int initialCapacity,
TIntHashingStrategy strategy)
Creates a new TIntShortHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime. |
|
TIntShortHashMap(TIntHashingStrategy strategy)
Creates a new TIntShortHashMap instance with the default
capacity and load factor. |
|
| Method Summary | |
|---|---|
short |
adjustOrPutValue(int 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(int key,
short amount)
Adjusts the primitive value mapped to key. |
void |
clear()
Empties the map. |
java.lang.Object |
clone()
|
boolean |
containsKey(int 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(TIntShortProcedure procedure)
Executes procedure for each key/value entry in the map. |
boolean |
forEachKey(TIntProcedure procedure)
Executes procedure for each key in the map. |
boolean |
forEachValue(TShortProcedure procedure)
Executes procedure for each value in the map. |
short |
get(int key)
retrieves the value for key |
short[] |
getValues()
Returns the values of the map. |
int |
hashCode()
|
boolean |
increment(int key)
Increments the primitive value mapped to key by 1 |
TIntShortIterator |
iterator()
|
int[] |
keys()
returns the keys of the map. |
int[] |
keys(int[] a)
returns the keys of the map. |
short |
put(int key,
short value)
Inserts a key/value pair into the map. |
void |
putAll(TIntShortHashMap map)
Put all the entries from the given map into this map. |
short |
putIfAbsent(int 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(int key)
Deletes a key/value pair from the map. |
protected void |
removeAt(int index)
removes the mapping at index from the map. |
boolean |
retainEntries(TIntShortProcedure 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.TIntHash |
|---|
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 TIntShortHashMap()
TIntShortHashMap instance with the default
capacity and load factor.
public TIntShortHashMap(int initialCapacity)
TIntShortHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.
initialCapacity - an int value
public TIntShortHashMap(int initialCapacity,
float loadFactor)
TIntShortHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.
initialCapacity - an int valueloadFactor - a float valuepublic TIntShortHashMap(TIntHashingStrategy strategy)
TIntShortHashMap instance with the default
capacity and load factor.
strategy - used to compute hash codes and to compare keys.
public TIntShortHashMap(int initialCapacity,
TIntHashingStrategy strategy)
TIntShortHashMap 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 TIntShortHashMap(int initialCapacity,
float loadFactor,
TIntHashingStrategy strategy)
TIntShortHashMap 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 TIntHashpublic TIntShortIterator iterator()
protected int setUp(int initialCapacity)
setUp in class TIntHashinitialCapacity - an int value
public short put(int key,
short value)
key - an int valuevalue - an short value
public short putIfAbsent(int key,
short value)
key - an int valuevalue - an short value
public void putAll(TIntShortHashMap 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(int key)
key - an int value
public void clear()
clear in class THashpublic short remove(int key)
key - an int value
short value, or (int)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 TIntHashindex - an int valuepublic short[] getValues()
Collection valuepublic int[] keys()
Set valuepublic int[] keys(int[] 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(int key)
key - an int value
boolean valuepublic boolean forEachKey(TIntProcedure procedure)
procedure - a TIntProcedure value
public boolean forEachValue(TShortProcedure procedure)
procedure - a TShortProcedure value
public boolean forEachEntry(TIntShortProcedure procedure)
procedure - a TOIntShortProcedure value
public boolean retainEntries(TIntShortProcedure procedure)
procedure - determines which entries to keep
public void transformValues(TShortFunction function)
function - a TShortFunction valuepublic boolean increment(int key)
key - the key of the value to increment
public boolean adjustValue(int key,
short amount)
key - the key of the value to incrementamount - the amount to adjust the value by.
public short adjustOrPutValue(int 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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