Package gnu.trove
Class TDoubleHashSet
- 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.TDoubleHashSet
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- All Implemented Interfaces:
TDoubleHashingStrategy
,java.io.Externalizable
,java.io.Serializable
,java.lang.Cloneable
public class TDoubleHashSet extends TDoubleHash implements java.io.Externalizable
An open addressed set implementation for double primitives.- Author:
- Eric D. Friedman, Rob Eden
- See Also:
- Serialized Form
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Field Summary
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Fields inherited from class gnu.trove.TDoubleHash
_hashingStrategy, _set
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Fields inherited from class gnu.trove.TPrimitiveHash
_states, FREE, FULL, REMOVED
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Fields inherited from class gnu.trove.THash
_autoCompactionFactor, _autoCompactRemovesRemaining, _free, _loadFactor, _maxSize, _size, DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR
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Constructor Summary
Constructors Constructor Description TDoubleHashSet()
Creates a newTDoubleHashSet
instance with the default capacity and load factor.TDoubleHashSet(double[] array)
Creates a newTDoubleHashSet
instance containing the elements of array.TDoubleHashSet(double[] array, TDoubleHashingStrategy strategy)
Creates a newTDoubleHashSet
instance containing the elements of array.TDoubleHashSet(int initialCapacity)
Creates a newTDoubleHashSet
instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.TDoubleHashSet(int initialCapacity, float loadFactor)
Creates a newTDoubleHashSet
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.TDoubleHashSet(int initialCapacity, float loadFactor, TDoubleHashingStrategy strategy)
Creates a newTDoubleHash
instance with a prime value at or near the specified capacity and load factor.TDoubleHashSet(int initialCapacity, TDoubleHashingStrategy strategy)
Creates a newTDoubleHash
instance whose capacity is the next highest prime above initialCapacity + 1 unless that value is already prime.TDoubleHashSet(TDoubleHashingStrategy strategy)
Creates a newTDoubleHash
instance with the default capacity and load factor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
add(double val)
Inserts a value into the set.boolean
addAll(double[] array)
Adds all of the elements in array to the set.void
clear()
Empties the set.boolean
containsAll(double[] array)
Tests the set to determine if all of the elements in array are present.boolean
equals(java.lang.Object other)
Compares this set with another set for equality of their stored entries.int
hashCode()
TDoubleIterator
iterator()
void
readExternal(java.io.ObjectInput in)
protected void
rehash(int newCapacity)
Expands the set to accommodate new values.boolean
remove(double val)
Removes val from the set.boolean
removeAll(double[] array)
Removes all of the elements in array from the set.boolean
retainAll(double[] array)
Removes any values in the set which are not contained in array.double[]
toArray()
Returns a new array containing the values in the set.void
writeExternal(java.io.ObjectOutput out)
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Methods inherited from class gnu.trove.TDoubleHash
clone, computeHashCode, contains, forEach, index, insertionIndex, removeAt, setUp
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Methods inherited from class gnu.trove.TPrimitiveHash
capacity
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Methods inherited from class gnu.trove.THash
calculateGrownCapacity, compact, ensureCapacity, getAutoCompactionFactor, isEmpty, postInsertHook, reenableAutoCompaction, setAutoCompactionFactor, size, tempDisableAutoCompaction, trimToSize
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Constructor Detail
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TDoubleHashSet
public TDoubleHashSet()
Creates a newTDoubleHashSet
instance with the default capacity and load factor.
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TDoubleHashSet
public TDoubleHashSet(int initialCapacity)
Creates a newTDoubleHashSet
instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.- Parameters:
initialCapacity
- anint
value
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TDoubleHashSet
public TDoubleHashSet(int initialCapacity, float loadFactor)
Creates a newTDoubleHashSet
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.- Parameters:
initialCapacity
- anint
valueloadFactor
- afloat
value
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TDoubleHashSet
public TDoubleHashSet(double[] array)
Creates a newTDoubleHashSet
instance containing the elements of array.- Parameters:
array
- an array ofdouble
primitives
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TDoubleHashSet
public TDoubleHashSet(TDoubleHashingStrategy strategy)
Creates a newTDoubleHash
instance with the default capacity and load factor.- Parameters:
strategy
- used to compute hash codes and to compare keys.
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TDoubleHashSet
public TDoubleHashSet(int initialCapacity, TDoubleHashingStrategy strategy)
Creates a newTDoubleHash
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.
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TDoubleHashSet
public TDoubleHashSet(int initialCapacity, float loadFactor, TDoubleHashingStrategy strategy)
Creates a newTDoubleHash
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.
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TDoubleHashSet
public TDoubleHashSet(double[] array, TDoubleHashingStrategy strategy)
Creates a newTDoubleHashSet
instance containing the elements of array.- Parameters:
array
- an array ofdouble
primitivesstrategy
- used to compute hash codes and to compare keys.
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Method Detail
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iterator
public TDoubleIterator iterator()
- Returns:
- a TDoubleIterator with access to the values in this set
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add
public boolean add(double val)
Inserts a value into the set.- Parameters:
val
- andouble
value- Returns:
- true if the set was modified by the add operation
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rehash
protected void rehash(int newCapacity)
Expands the set to accommodate new values.
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toArray
public double[] toArray()
Returns a new array containing the values in the set.- Returns:
- an
double[]
value
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equals
public boolean equals(java.lang.Object other)
Compares this set with another set for equality of their stored entries.- Overrides:
equals
in classjava.lang.Object
- Parameters:
other
- anObject
value- Returns:
- a
boolean
value
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hashCode
public int hashCode()
- Overrides:
hashCode
in classjava.lang.Object
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remove
public boolean remove(double val)
Removes val from the set.- Parameters:
val
- andouble
value- Returns:
- true if the set was modified by the remove operation.
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containsAll
public boolean containsAll(double[] array)
Tests the set to determine if all of the elements in array are present.- Parameters:
array
- anarray
of double primitives.- Returns:
- true if all elements were present in the set.
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addAll
public boolean addAll(double[] array)
Adds all of the elements in array to the set.- Parameters:
array
- anarray
of double primitives.- Returns:
- true if the set was modified by the add all operation.
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removeAll
public boolean removeAll(double[] array)
Removes all of the elements in array from the set.- Parameters:
array
- anarray
of double primitives.- Returns:
- true if the set was modified by the remove all operation.
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retainAll
public boolean retainAll(double[] array)
Removes any values in the set which are not contained in array.- Parameters:
array
- anarray
of double primitives.- Returns:
- true if the set was modified by the retain all operation
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writeExternal
public void writeExternal(java.io.ObjectOutput out) throws java.io.IOException
- Specified by:
writeExternal
in interfacejava.io.Externalizable
- Overrides:
writeExternal
in classTHash
- Throws:
java.io.IOException
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readExternal
public void readExternal(java.io.ObjectInput in) throws java.io.IOException, java.lang.ClassNotFoundException
- Specified by:
readExternal
in interfacejava.io.Externalizable
- Overrides:
readExternal
in classTHash
- Throws:
java.io.IOException
java.lang.ClassNotFoundException
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