Package gnu.trove
Class TIntHashSet
java.lang.Object
gnu.trove.THash
gnu.trove.TPrimitiveHash
gnu.trove.TIntHash
gnu.trove.TIntHashSet
- All Implemented Interfaces:
TIntHashingStrategy
,Externalizable
,Serializable
,Cloneable
An open addressed set implementation for int primitives.
- Author:
- Eric D. Friedman, Rob Eden
- See Also:
-
Field Summary
Fields inherited from class gnu.trove.TIntHash
_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
ConstructorsConstructorDescriptionCreates a newTIntHashSet
instance with the default capacity and load factor.TIntHashSet
(int initialCapacity) Creates a newTIntHashSet
instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.TIntHashSet
(int[] array) Creates a newTIntHashSet
instance containing the elements of array.TIntHashSet
(int[] array, TIntHashingStrategy strategy) Creates a newTIntHashSet
instance containing the elements of array.TIntHashSet
(int initialCapacity, float loadFactor) Creates a newTIntHashSet
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.TIntHashSet
(int initialCapacity, float loadFactor, TIntHashingStrategy strategy) Creates a newTIntHash
instance with a prime value at or near the specified capacity and load factor.TIntHashSet
(int initialCapacity, TIntHashingStrategy strategy) Creates a newTIntHash
instance whose capacity is the next highest prime above initialCapacity + 1 unless that value is already prime.TIntHashSet
(TIntHashingStrategy strategy) Creates a newTIntHash
instance with the default capacity and load factor. -
Method Summary
Modifier and TypeMethodDescriptionboolean
add
(int val) Inserts a value into the set.boolean
addAll
(int[] array) Adds all of the elements in array to the set.void
clear()
Empties the set.boolean
containsAll
(int[] array) Tests the set to determine if all of the elements in array are present.boolean
Compares this set with another set for equality of their stored entries.int
hashCode()
iterator()
void
protected void
rehash
(int newCapacity) Expands the set to accommodate new values.boolean
remove
(int val) Removes val from the set.boolean
removeAll
(int[] array) Removes all of the elements in array from the set.boolean
retainAll
(int[] array) Removes any values in the set which are not contained in array.int[]
toArray()
Returns a new array containing the values in the set.void
Methods inherited from class gnu.trove.TIntHash
clone, computeHashCode, contains, forEach, index, insertionIndex, removeAt, setUp
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
-
Constructor Details
-
TIntHashSet
public TIntHashSet()Creates a newTIntHashSet
instance with the default capacity and load factor. -
TIntHashSet
public TIntHashSet(int initialCapacity) Creates a newTIntHashSet
instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.- Parameters:
initialCapacity
- anint
value
-
TIntHashSet
public TIntHashSet(int initialCapacity, float loadFactor) Creates a newTIntHashSet
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.- Parameters:
initialCapacity
- anint
valueloadFactor
- afloat
value
-
TIntHashSet
public TIntHashSet(int[] array) Creates a newTIntHashSet
instance containing the elements of array.- Parameters:
array
- an array ofint
primitives
-
TIntHashSet
Creates a newTIntHash
instance with the default capacity and load factor.- Parameters:
strategy
- used to compute hash codes and to compare keys.
-
TIntHashSet
Creates a newTIntHash
instance whose capacity is the next highest prime above initialCapacity + 1 unless that value is already prime.- Parameters:
initialCapacity
- anint
valuestrategy
- used to compute hash codes and to compare keys.
-
TIntHashSet
Creates a newTIntHash
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.
-
TIntHashSet
Creates a newTIntHashSet
instance containing the elements of array.- Parameters:
array
- an array ofint
primitivesstrategy
- used to compute hash codes and to compare keys.
-
-
Method Details
-
iterator
- Returns:
- a TIntIterator with access to the values in this set
-
add
public boolean add(int val) Inserts a value into the set.- Parameters:
val
- anint
value- Returns:
- true if the set was modified by the add operation
-
rehash
protected void rehash(int newCapacity) Expands the set to accommodate new values. -
toArray
public int[] toArray()Returns a new array containing the values in the set.- Returns:
- an
int[]
value
-
clear
public void clear()Empties the set. -
equals
Compares this set with another set for equality of their stored entries. -
hashCode
public int hashCode() -
remove
public boolean remove(int val) Removes val from the set.- Parameters:
val
- anint
value- Returns:
- true if the set was modified by the remove operation.
-
containsAll
public boolean containsAll(int[] array) Tests the set to determine if all of the elements in array are present.- Parameters:
array
- anarray
of int primitives.- Returns:
- true if all elements were present in the set.
-
addAll
public boolean addAll(int[] array) Adds all of the elements in array to the set.- Parameters:
array
- anarray
of int primitives.- Returns:
- true if the set was modified by the add all operation.
-
removeAll
public boolean removeAll(int[] array) Removes all of the elements in array from the set.- Parameters:
array
- anarray
of int primitives.- Returns:
- true if the set was modified by the remove all operation.
-
retainAll
public boolean retainAll(int[] array) Removes any values in the set which are not contained in array.- Parameters:
array
- anarray
of int primitives.- Returns:
- true if the set was modified by the retain all operation
-
writeExternal
- Specified by:
writeExternal
in interfaceExternalizable
- Overrides:
writeExternal
in classTHash
- Throws:
IOException
-
readExternal
- Specified by:
readExternal
in interfaceExternalizable
- Overrides:
readExternal
in classTHash
- Throws:
IOException
ClassNotFoundException
-