TDoubleDoubleHashMap (core 1.0.20200330 API)

java.lang.Object
- gnu.trove.THash
- - gnu.trove.TPrimitiveHash
  - - gnu.trove.TDoubleHash
    - - gnu.trove.TDoubleDoubleHashMap

All Implemented Interfaces:

TDoubleHashingStrategy, java.io.Serializable, java.lang.Cloneable
```
public class TDoubleDoubleHashMap
extends TDoubleHash
```
An open addressed Map implementation for double keys and double values. Created: Sun Nov 4 08:52:45 2001

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

protected double[] _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
  _deadkeys, _free, _loadFactor, _maxSize, _size, DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR, EMPTY_OBJECT_ARRAY, JUST_CREATED_CAPACITY

Fields
Modifier and Type	Field and Description
`protected double[]`	`_values` the values of the map

Constructor Summary

Constructors
Constructor and Description
`TDoubleDoubleHashMap()` Creates a new `TDoubleDoubleHashMap` instance with the default capacity and load factor.
`TDoubleDoubleHashMap(int initialCapacity)` Creates a new `TDoubleDoubleHashMap` instance with a prime capacity equal to or greater than `initialCapacity` and with the default load factor.
`TDoubleDoubleHashMap(int initialCapacity, float loadFactor)` Creates a new `TDoubleDoubleHashMap` instance with a prime capacity equal to or greater than `initialCapacity` and with the specified load factor.
`TDoubleDoubleHashMap(int initialCapacity, float loadFactor, TDoubleHashingStrategy strategy)` Creates a new `TDoubleDoubleHashMap` instance with a prime value at or near the specified capacity and load factor.
`TDoubleDoubleHashMap(int initialCapacity, TDoubleHashingStrategy strategy)` Creates a new `TDoubleDoubleHashMap` instance whose capacity is the next highest prime above `initialCapacity + 1` unless that value is already prime.
`TDoubleDoubleHashMap(TDoubleHashingStrategy strategy)` Creates a new `TDoubleDoubleHashMap` instance with the default capacity and load factor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`adjustValue(double key, double amount)` Adjusts the primitive value mapped to key.
`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(double 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(TDoubleDoubleProcedure 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(TDoubleProcedure procedure)` Executes `procedure` for each value in the map.
`double`	`get(double key)` retrieves the value for `key`
`double[]`	`getValues()` Returns the values of the map.
`int`	`hashCode()`
`boolean`	`increment(double key)` Increments the primitive value mapped to key by 1
`TDoubleDoubleIterator`	`iterator()`
`double[]`	`keys()` returns the keys of the map.
`double`	`put(double key, double value)` Inserts a key/value pair into the map.
`protected void`	`rehash(int newCapacity)` rehashes the map to the new capacity.
`double`	`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(TDoubleDoubleProcedure 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(TDoubleFunction 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
calculateGrownCapacity, compact, ensureCapacity, isEmpty, postInsertHook, size, startCompactingOnRemove, stopCompactingOnRemove, trimToSize

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - _values
```
protected transient double[] _values
```
    the values of the map
- Constructor Detail
  - TDoubleDoubleHashMap
```
public TDoubleDoubleHashMap()
```
    Creates a new TDoubleDoubleHashMap instance with the default capacity and load factor.
  - TDoubleDoubleHashMap
```
public TDoubleDoubleHashMap(int initialCapacity)
```
    Creates a new TDoubleDoubleHashMap instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.
    
    Parameters:
    
    initialCapacity - an int value
  - TDoubleDoubleHashMap
```
public TDoubleDoubleHashMap(int initialCapacity,
                            float loadFactor)
```
    Creates a new TDoubleDoubleHashMap 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
  - TDoubleDoubleHashMap
```
public TDoubleDoubleHashMap(TDoubleHashingStrategy strategy)
```
    Creates a new TDoubleDoubleHashMap instance with the default capacity and load factor.
    
    Parameters:
    
    strategy - used to compute hash codes and to compare keys.
  - TDoubleDoubleHashMap
```
public TDoubleDoubleHashMap(int initialCapacity,
                            TDoubleHashingStrategy strategy)
```
    Creates a new TDoubleDoubleHashMap 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.
  - TDoubleDoubleHashMap
```
public TDoubleDoubleHashMap(int initialCapacity,
                            float loadFactor,
                            TDoubleHashingStrategy strategy)
```
    Creates a new TDoubleDoubleHashMap 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 Detail
  - clone
```
public java.lang.Object clone()
```
    Overrides:
    
    clone in class TDoubleHash
    
    Returns:
    
    a deep clone of this collection
  - iterator
```
public TDoubleDoubleIterator iterator()
```
    Returns:
    
    a TDoubleDoubleIterator with access to this map's keys and values
  - setUp
```
protected int setUp(int initialCapacity)
```
    initializes the hashtable to a prime capacity which is at least initialCapacity + 1.
    
    Overrides:
    
    setUp in class TDoubleHash
    
    Parameters:
    
    initialCapacity - an int value
    
    Returns:
    
    the actual capacity chosen
  - put
```
public double put(double key,
                  double value)
```
    Inserts a key/value pair into the map.
    
    Parameters:
    
    key - an double value
    
    value - an double value
    
    Returns:
    
    the previous value associated with key, or null if none was found.
  - rehash
```
protected void rehash(int newCapacity)
```
    rehashes the map to the new capacity.
    
    Specified by:
    
    rehash in class THash
    
    Parameters:
    
    newCapacity - an int value
  - get
```
public double get(double key)
```
    retrieves the value for key
    
    Parameters:
    
    key - an double value
    
    Returns:
    
    the value of key or null if no such mapping exists.
  - clear
```
public void clear()
```
    Empties the map.
    
    Overrides:
    
    clear in class THash
  - remove
```
public double remove(double key)
```
    Deletes a key/value pair from the map.
    
    Parameters:
    
    key - an double value
    
    Returns:
    
    an double value
  - equals
```
public boolean equals(java.lang.Object other)
```
    Compares this map with another map for equality of their stored entries.
    
    Overrides:
    
    equals in class java.lang.Object
    
    Parameters:
    
    other - an Object value
    
    Returns:
    
    a boolean value
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - removeAt
```
protected void removeAt(int index)
```
    removes the mapping at index from the map.
    
    Overrides:
    
    removeAt in class TDoubleHash
    
    Parameters:
    
    index - an int value
  - getValues
```
public double[] getValues()
```
    Returns the values of the map.
    
    Returns:
    
    a Collection value
  - keys
```
public double[] keys()
```
    returns the keys of the map.
    
    Returns:
    
    a Set value
  - containsValue
```
public boolean containsValue(double val)
```
    checks for the presence of val in the values of the map.
    
    Parameters:
    
    val - an double value
    
    Returns:
    
    a boolean value
  - containsKey
```
public boolean containsKey(double key)
```
    checks for the present of key in the keys of the map.
    
    Parameters:
    
    key - an double value
    
    Returns:
    
    a boolean value
  - forEachKey
```
public boolean forEachKey(TDoubleProcedure procedure)
```
    Executes procedure for each key in the map.
    
    Parameters:
    
    procedure - a TDoubleProcedure value
    
    Returns:
    
    false if the loop over the keys terminated because the procedure returned false for some key.
  - forEachValue
```
public boolean forEachValue(TDoubleProcedure procedure)
```
    Executes procedure for each value in the map.
    
    Parameters:
    
    procedure - a TDoubleProcedure value
    
    Returns:
    
    false if the loop over the values terminated because the procedure returned false for some value.
  - forEachEntry
```
public boolean forEachEntry(TDoubleDoubleProcedure procedure)
```
    Executes procedure for each key/value entry in the map.
    
    Parameters:
    
    procedure - a TDoubleDoubleProcedure value
    
    Returns:
    
    false if the loop over the entries terminated because the procedure returned false for some entry.
  - retainEntries
```
public boolean retainEntries(TDoubleDoubleProcedure procedure)
```
    Retains only those entries in the map for which the procedure returns a true value.
    
    Parameters:
    
    procedure - determines which entries to keep
    
    Returns:
    
    true if the map was modified.
  - transformValues
```
public void transformValues(TDoubleFunction function)
```
    Transform the values in this map using function.
    
    Parameters:
    
    function - a TDoubleFunction value
  - increment
```
public boolean increment(double key)
```
    Increments the primitive value mapped to key by 1
    
    Parameters:
    
    key - the key of the value to increment
    
    Returns:
    
    true if a mapping was found and modified.
  - adjustValue
```
public boolean adjustValue(double key,
                           double amount)
```
    Adjusts the primitive value mapped to key.
    
    Parameters:
    
    key - the key of the value to increment
    
    amount - the amount to adjust the value by.
    
    Returns:
    
    true if a mapping was found and modified.
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object

Class TDoubleDoubleHashMap

Field Summary

Fields inherited from class gnu.trove.TDoubleHash

Fields inherited from class gnu.trove.TPrimitiveHash

Fields inherited from class gnu.trove.THash

Constructor Summary

Method Summary

Methods inherited from class gnu.trove.TDoubleHash

Methods inherited from class gnu.trove.TPrimitiveHash

Methods inherited from class gnu.trove.THash

Methods inherited from class java.lang.Object

Field Detail

_values

Constructor Detail

TDoubleDoubleHashMap

TDoubleDoubleHashMap

TDoubleDoubleHashMap

TDoubleDoubleHashMap

TDoubleDoubleHashMap

TDoubleDoubleHashMap

Method Detail

clone

iterator

setUp

put

rehash

get

clear

remove

equals

hashCode

removeAt

getValues

keys

containsValue

containsKey

forEachKey

forEachValue

forEachEntry

retainEntries

transformValues

increment

adjustValue

toString