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java.lang.Object
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+--gnu.trove.THash
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+--gnu.trove.TPrimitiveHash
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+--gnu.trove.TDoubleHash
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+--gnu.trove.TDoubleObjectHashMap
An open addressed Map implementation for double keys and Object values. Created: Sun Nov 4 08:52:45 2001
| Field Summary | |
protected java.lang.Object[] |
_values
the values of the map |
| Fields inherited from class gnu.trove.TDoubleHash |
_hashingStrategy, _set |
| Fields inherited from class gnu.trove.TPrimitiveHash |
_states, FREE, FULL, REMOVED |
| Fields inherited from class gnu.trove.THash |
_free, _loadFactor, _maxSize, _size, DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR |
| Constructor Summary | |
TDoubleObjectHashMap()
Creates a new TDoubleObjectHashMap instance with the default
capacity and load factor. |
|
TDoubleObjectHashMap(int initialCapacity)
Creates a new TDoubleObjectHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor. |
|
TDoubleObjectHashMap(int initialCapacity,
float loadFactor)
Creates a new TDoubleObjectHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor. |
|
TDoubleObjectHashMap(int initialCapacity,
float loadFactor,
TDoubleHashingStrategy strategy)
Creates a new TDoubleObjectHashMap instance with a prime
value at or near the specified capacity and load factor. |
|
TDoubleObjectHashMap(int initialCapacity,
TDoubleHashingStrategy strategy)
Creates a new TDoubleObjectHashMap instance whose capacity
is the next highest prime above initialCapacity + 1
unless that value is already prime. |
|
TDoubleObjectHashMap(TDoubleHashingStrategy strategy)
Creates a new TDoubleObjectHashMap instance with the default
capacity and load factor. |
|
| Method Summary | |
void |
clear()
Empties the map. |
java.lang.Object |
clone()
|
boolean |
containsKey(double key)
checks for the present of key in the keys of the map. |
boolean |
containsValue(java.lang.Object 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(TDoubleObjectProcedure procedure)
Executes procedure for each key/value entry in the map. |
boolean |
forEachKey(TDoubleProcedure procedure)
Executes procedure for each key in the map. |
boolean |
forEachValue(TObjectProcedure procedure)
Executes procedure for each value in the map. |
java.lang.Object |
get(double key)
retrieves the value for key |
java.lang.Object[] |
getValues()
Returns the values of the map. |
int |
hashCode()
|
TDoubleObjectIterator |
iterator()
|
double[] |
keys()
returns the keys of the map. |
java.lang.Object |
put(double key,
java.lang.Object value)
Inserts a key/value pair into the map. |
protected void |
rehash(int newCapacity)
rehashes the map to the new capacity. |
java.lang.Object |
remove(double key)
Deletes a key/value pair from the map. |
protected void |
removeAt(int index)
removes the mapping at index from the map. |
boolean |
retainEntries(TDoubleObjectProcedure 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. |
void |
transformValues(TObjectFunction function)
Transform the values in this map using function. |
| Methods inherited from class gnu.trove.TDoubleHash |
computeHashCode, contains, forEach, index, insertionIndex |
| Methods inherited from class gnu.trove.TPrimitiveHash |
capacity |
| Methods inherited from class gnu.trove.THash |
compact, ensureCapacity, isEmpty, postInsertHook, size, trimToSize |
| Methods inherited from class java.lang.Object |
finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
protected transient java.lang.Object[] _values
| Constructor Detail |
public TDoubleObjectHashMap()
TDoubleObjectHashMap instance with the default
capacity and load factor.
public TDoubleObjectHashMap(int initialCapacity)
TDoubleObjectHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the default load factor.
initialCapacity - an int value
public TDoubleObjectHashMap(int initialCapacity,
float loadFactor)
TDoubleObjectHashMap instance with a prime
capacity equal to or greater than initialCapacity and
with the specified load factor.
initialCapacity - an int valueloadFactor - a float valuepublic TDoubleObjectHashMap(TDoubleHashingStrategy strategy)
TDoubleObjectHashMap instance with the default
capacity and load factor.
strategy - used to compute hash codes and to compare keys.
public TDoubleObjectHashMap(int initialCapacity,
TDoubleHashingStrategy strategy)
TDoubleObjectHashMap 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 TDoubleObjectHashMap(int initialCapacity,
float loadFactor,
TDoubleHashingStrategy strategy)
TDoubleObjectHashMap 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 TDoubleHashpublic TDoubleObjectIterator iterator()
protected int setUp(int initialCapacity)
setUp in class TDoubleHashinitialCapacity - an int value
public java.lang.Object put(double key,
java.lang.Object value)
key - an double valuevalue - an Object value
protected void rehash(int newCapacity)
rehash in class THashnewCapacity - an int valuepublic java.lang.Object get(double key)
key - an double value
public void clear()
clear in class THashpublic java.lang.Object remove(double key)
key - an double value
Object value, or null 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 TDoubleHashindex - an int valuepublic java.lang.Object[] getValues()
Collection valuepublic double[] keys()
Set valuepublic boolean containsValue(java.lang.Object val)
val - an Object value
boolean valuepublic boolean containsKey(double key)
key - an double value
boolean valuepublic boolean forEachKey(TDoubleProcedure procedure)
procedure - a TDoubleProcedure value
public boolean forEachValue(TObjectProcedure procedure)
procedure - a TObjectProcedure value
public boolean forEachEntry(TDoubleObjectProcedure procedure)
procedure - a TODoubleObjectProcedure value
public boolean retainEntries(TDoubleObjectProcedure procedure)
procedure - determines which entries to keep
public void transformValues(TObjectFunction function)
function - a TObjectFunction value
|
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