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java.lang.Objectgnu.trove.THash
gnu.trove.TPrimitiveHash
gnu.trove.TDoubleHash
gnu.trove.TDoubleObjectHashMap<V>
public class TDoubleObjectHashMap<V>
An open addressed Map implementation for double keys and Object values. Created: Sun Nov 4 08:52:45 2001
| Field Summary | |
|---|---|
protected V[] |
_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 |
|---|
_autoCompactionFactor, _autoCompactRemovesRemaining, _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. |
|
TDoubleObjectHashMap<V> |
clone()
|
|
boolean |
containsKey(double key)
checks for the present of key in the keys of the map. |
|
boolean |
containsValue(V 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<V> 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<V> procedure)
Executes procedure for each value in the map. |
|
V |
get(double key)
retrieves the value for key |
|
java.lang.Object[] |
getValues()
Returns the values of the map. |
|
|
getValues(T[] a)
Return the values of the map; the runtime type of the returned array is that of the specified array. |
|
int |
hashCode()
|
|
TDoubleObjectIterator<V> |
iterator()
|
|
double[] |
keys()
returns the keys of the map. |
|
double[] |
keys(double[] a)
returns the keys of the map. |
|
V |
put(double key,
V value)
Inserts a key/value pair into the map. |
|
void |
putAll(TDoubleObjectHashMap<V> map)
Put all the entries from the given map into this map. |
|
V |
putIfAbsent(double key,
V 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. |
|
V |
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<V> 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(TObjectFunction<V,V> function)
Transform the values in this map using function. |
|
void |
writeExternal(java.io.ObjectOutput out)
|
|
| 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 |
|---|
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 V[] _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 TDoubleObjectHashMap<V> clone()
clone in class TDoubleHashpublic TDoubleObjectIterator<V> iterator()
protected int setUp(int initialCapacity)
setUp in class TDoubleHashinitialCapacity - an int value
public V put(double key,
V value)
key - an double valuevalue - an Object value
null if none was found.
public V putIfAbsent(double key,
V value)
key - an double valuevalue - an Object value
null if none was found.public void putAll(TDoubleObjectHashMap<V> 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 V get(double key)
key - an double value
public void clear()
clear in class THashpublic V remove(double key)
key - an double value
Object value or (double)0 if no such mapping exists.public 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 valuegetValues(Object[])public <T> T[] getValues(T[] a)
a - the array into which the elements of this collection are to be
stored, if it is big enough; otherwise, a new array of the same
runtime type is allocated for this purpose.
java.lang.ArrayStoreException - the runtime type of the specified array is
not a supertype of the runtime type of every element in this
collection.
java.lang.NullPointerException - if the specified array is null.getValues()public double[] keys()
Set valuepublic double[] keys(double[] 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(V 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<V> procedure)
procedure - a TObjectProcedure value
public boolean forEachEntry(TDoubleObjectProcedure<V> procedure)
procedure - a TODoubleObjectProcedure value
public boolean retainEntries(TDoubleObjectProcedure<V> procedure)
procedure - determines which entries to keep
public void transformValues(TObjectFunction<V,V> function)
function - a TObjectFunction value
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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