gnu.trove

Class TFloatHashSet

Implemented Interfaces:
Externalizable

public class TFloatHashSet
extends TFloatHash
implements Externalizable

An open addressed set implementation for float primitives.
Authors:
Eric D. Friedman
Rob Eden

Constructor Summary

TFloatHashSet()
Creates a new TFloatHashSet instance with the default capacity and load factor.
TFloatHashSet(TFloatHashingStrategy strategy)
Creates a new TFloatHash instance with the default capacity and load factor.
TFloatHashSet(float[] array)
Creates a new TFloatHashSet instance containing the elements of array.
TFloatHashSet(float[] array, TFloatHashingStrategy strategy)
Creates a new TFloatHashSet instance containing the elements of array.
TFloatHashSet(int initialCapacity)
Creates a new TFloatHashSet instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.
TFloatHashSet(int initialCapacity, TFloatHashingStrategy strategy)
Creates a new TFloatHash instance whose capacity is the next highest prime above initialCapacity + 1 unless that value is already prime.
TFloatHashSet(int initialCapacity, float loadFactor)
Creates a new TFloatHashSet instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.
TFloatHashSet(int initialCapacity, float loadFactor, TFloatHashingStrategy strategy)
Creates a new TFloatHash instance with a prime value at or near the specified capacity and load factor.

Method Summary

boolean
add(float val)
Inserts a value into the set.
boolean
addAll(float[] array)
Adds all of the elements in array to the set.
void
clear()
Empties the set.
boolean
containsAll(float[] array)
Tests the set to determine if all of the elements in array are present.
boolean
equals(Object other)
Compares this set with another set for equality of their stored entries.
int
hashCode()
TFloatIterator
iterator()
void
readExternal(ObjectInput in)
protected void
rehash(int newCapacity)
Expands the set to accommodate new values.
boolean
remove(float val)
Removes val from the set.
boolean
removeAll(float[] array)
Removes all of the elements in array from the set.
boolean
retainAll(float[] array)
Removes any values in the set which are not contained in array.
float[]
toArray()
Returns a new array containing the values in the set.
void
writeExternal(ObjectOutput out)

Constructor Details

TFloatHashSet

public TFloatHashSet()
Creates a new TFloatHashSet instance with the default capacity and load factor.

TFloatHashSet

public TFloatHashSet(TFloatHashingStrategy strategy)
Creates a new TFloatHash instance with the default capacity and load factor.
Parameters:
strategy - used to compute hash codes and to compare keys.

TFloatHashSet

public TFloatHashSet(float[] array)
Creates a new TFloatHashSet instance containing the elements of array.
Parameters:
array - an array of float primitives

TFloatHashSet

public TFloatHashSet(float[] array,
                     TFloatHashingStrategy strategy)
Creates a new TFloatHashSet instance containing the elements of array.
Parameters:
array - an array of float primitives
strategy - used to compute hash codes and to compare keys.

TFloatHashSet

public TFloatHashSet(int initialCapacity)
Creates a new TFloatHashSet instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.
Parameters:
initialCapacity - an int value

TFloatHashSet

public TFloatHashSet(int initialCapacity,
                     TFloatHashingStrategy strategy)
Creates a new TFloatHash instance whose capacity is the next highest prime above initialCapacity + 1 unless that value is already prime.
Parameters:
initialCapacity - an int value
strategy - used to compute hash codes and to compare keys.

TFloatHashSet

public TFloatHashSet(int initialCapacity,
                     float loadFactor)
Creates a new TFloatHashSet instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.
Parameters:
initialCapacity - an int value
loadFactor - a float value

TFloatHashSet

public TFloatHashSet(int initialCapacity,
                     float loadFactor,
                     TFloatHashingStrategy strategy)
Creates a new TFloatHash instance with a prime value at or near the specified capacity and load factor.
Parameters:
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 Details

add

public boolean add(float val)
Inserts a value into the set.
Parameters:
val - an float value
Returns:
true if the set was modified by the add operation

addAll

public boolean addAll(float[] array)
Adds all of the elements in array to the set.
Parameters:
array - an array of float primitives.
Returns:
true if the set was modified by the add all operation.

clear

public void clear()
Empties the set.

containsAll

public boolean containsAll(float[] array)
Tests the set to determine if all of the elements in array are present.
Parameters:
array - an array of float primitives.
Returns:
true if all elements were present in the set.

equals

public boolean equals(Object other)
Compares this set with another set for equality of their stored entries.
Parameters:
other - an Object value
Returns:
a boolean value

hashCode

public int hashCode()

iterator

public TFloatIterator iterator()
Returns:
a TFloatIterator with access to the values in this set

readExternal

public void readExternal(ObjectInput in)
            throws IOException,
                   ClassNotFoundException

rehash

protected void rehash(int newCapacity)
Expands the set to accommodate new values.
Parameters:
newCapacity - an int value

remove

public boolean remove(float val)
Removes val from the set.
Parameters:
val - an float value
Returns:
true if the set was modified by the remove operation.

removeAll

public boolean removeAll(float[] array)
Removes all of the elements in array from the set.
Parameters:
array - an array of float primitives.
Returns:
true if the set was modified by the remove all operation.

retainAll

public boolean retainAll(float[] array)
Removes any values in the set which are not contained in array.
Parameters:
array - an array of float primitives.
Returns:
true if the set was modified by the retain all operation

toArray

public float[] toArray()
Returns a new array containing the values in the set.
Returns:
an float[] value

writeExternal

public void writeExternal(ObjectOutput out)
            throws IOException

GNU Trove is copyright B) 2001-2008 Eric D. Friedman. All Rights Reserved.