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java.lang.Objectgnu.trove.THash
gnu.trove.TPrimitiveHash
gnu.trove.TShortHash
gnu.trove.TShortFloatHashMap
public class TShortFloatHashMap
An open addressed Map implementation for short keys and float values. Created: Sun Nov 4 08:52:45 2001
| Field Summary | |
|---|---|
protected float[] |
_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 | |
|---|---|
TShortFloatHashMap()
Creates a new TShortFloatHashMap instance with the default
capacity and load factor. |
|
TShortFloatHashMap(int initialCapacity)
Creates a new TShortFloatHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor. |
|
TShortFloatHashMap(int initialCapacity,
float loadFactor)
Creates a new TShortFloatHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor. |
|
TShortFloatHashMap(int initialCapacity,
float loadFactor,
TShortHashingStrategy strategy)
Creates a new TShortFloatHashMap instance with a prime
value at or near the specified capacity and load factor. |
|
TShortFloatHashMap(int initialCapacity,
TShortHashingStrategy strategy)
Creates a new TShortFloatHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime. |
|
TShortFloatHashMap(TShortHashingStrategy strategy)
Creates a new TShortFloatHashMap instance with the default
capacity and load factor. |
|
| Method Summary | |
|---|---|
float |
adjustOrPutValue(short key,
float adjust_amount,
float put_amount)
Adjusts the primitive value mapped to the key if the key is present in the map. |
boolean |
adjustValue(short key,
float 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(float 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(TShortFloatProcedure 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(TFloatProcedure procedure)
Executes procedure for each value in the map. |
float |
get(short key)
retrieves the value for key |
float[] |
getValues()
Returns the values of the map. |
int |
hashCode()
|
boolean |
increment(short key)
Increments the primitive value mapped to key by 1 |
TShortFloatIterator |
iterator()
|
short[] |
keys()
returns the keys of the map. |
short[] |
keys(short[] a)
returns the keys of the map. |
float |
put(short key,
float value)
Inserts a key/value pair into the map. |
void |
putAll(TShortFloatHashMap map)
Put all the entries from the given map into this map. |
float |
putIfAbsent(short key,
float 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. |
float |
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(TShortFloatProcedure 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(TFloatFunction 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 float[] _values
| Constructor Detail |
|---|
public TShortFloatHashMap()
TShortFloatHashMap instance with the default
capacity and load factor.
public TShortFloatHashMap(int initialCapacity)
TShortFloatHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.
initialCapacity - an int value
public TShortFloatHashMap(int initialCapacity,
float loadFactor)
TShortFloatHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.
initialCapacity - an int valueloadFactor - a float valuepublic TShortFloatHashMap(TShortHashingStrategy strategy)
TShortFloatHashMap instance with the default
capacity and load factor.
strategy - used to compute hash codes and to compare keys.
public TShortFloatHashMap(int initialCapacity,
TShortHashingStrategy strategy)
TShortFloatHashMap 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 TShortFloatHashMap(int initialCapacity,
float loadFactor,
TShortHashingStrategy strategy)
TShortFloatHashMap 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 TShortFloatIterator iterator()
protected int setUp(int initialCapacity)
setUp in class TShortHashinitialCapacity - an int value
public float put(short key,
float value)
key - an short valuevalue - an float value
public float putIfAbsent(short key,
float value)
key - an short valuevalue - an float value
public void putAll(TShortFloatHashMap 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 float get(short key)
key - an short value
public void clear()
clear in class THashpublic float remove(short key)
key - an short value
float 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 float[] 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(float val)
val - an float value
boolean valuepublic boolean containsKey(short key)
key - an short value
boolean valuepublic boolean forEachKey(TShortProcedure procedure)
procedure - a TShortProcedure value
public boolean forEachValue(TFloatProcedure procedure)
procedure - a TFloatProcedure value
public boolean forEachEntry(TShortFloatProcedure procedure)
procedure - a TOShortFloatProcedure value
public boolean retainEntries(TShortFloatProcedure procedure)
procedure - determines which entries to keep
public void transformValues(TFloatFunction function)
function - a TFloatFunction valuepublic boolean increment(short key)
key - the key of the value to increment
public boolean adjustValue(short key,
float amount)
key - the key of the value to incrementamount - the amount to adjust the value by.
public float adjustOrPutValue(short key,
float adjust_amount,
float 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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