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