TIntDoubleHashMap (core 1.0.20200330 API)

java.lang.Object
- gnu.trove.THash
- - gnu.trove.TPrimitiveHash
  - - gnu.trove.TIntHash
    - - gnu.trove.TIntDoubleHashMap

All Implemented Interfaces:

TIntHashingStrategy, java.io.Serializable, java.lang.Cloneable
```
public class TIntDoubleHashMap
extends TIntHash
```
An open addressed Map implementation for int 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.TIntHash
  _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
`TIntDoubleHashMap()` Creates a new `TIntDoubleHashMap` instance with the default capacity and load factor.
`TIntDoubleHashMap(int initialCapacity)` Creates a new `TIntDoubleHashMap` instance with a prime capacity equal to or greater than `initialCapacity` and with the default load factor.
`TIntDoubleHashMap(int initialCapacity, float loadFactor)` Creates a new `TIntDoubleHashMap` instance with a prime capacity equal to or greater than `initialCapacity` and with the specified load factor.
`TIntDoubleHashMap(int initialCapacity, float loadFactor, TIntHashingStrategy strategy)` Creates a new `TIntDoubleHashMap` instance with a prime value at or near the specified capacity and load factor.
`TIntDoubleHashMap(int initialCapacity, TIntHashingStrategy strategy)` Creates a new `TIntDoubleHashMap` instance whose capacity is the next highest prime above `initialCapacity + 1` unless that value is already prime.
`TIntDoubleHashMap(TIntHashingStrategy strategy)` Creates a new `TIntDoubleHashMap` instance with the default capacity and load factor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`adjustValue(int key, double amount)` Adjusts the primitive value mapped to key.
`void`	`clear()` Empties the map.
`java.lang.Object`	`clone()`
`boolean`	`containsKey(int 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(TIntDoubleProcedure procedure)` Executes `procedure` for each key/value entry in the map.
`boolean`	`forEachKey(TIntProcedure procedure)` Executes `procedure` for each key in the map.
`boolean`	`forEachValue(TDoubleProcedure procedure)` Executes `procedure` for each value in the map.
`double`	`get(int key)` retrieves the value for `key`
`double[]`	`getValues()` Returns the values of the map.
`int`	`hashCode()`
`boolean`	`increment(int key)` Increments the primitive value mapped to key by 1
`TIntDoubleIterator`	`iterator()`
`int[]`	`keys()` returns the keys of the map.
`double`	`put(int 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(int key)` Deletes a key/value pair from the map.
`protected void`	`removeAt(int index)` removes the mapping at `index` from the map.
`boolean`	`retainEntries(TIntDoubleProcedure 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.TIntHash
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
  - TIntDoubleHashMap
```
public TIntDoubleHashMap()
```
    Creates a new TIntDoubleHashMap instance with the default capacity and load factor.
  - TIntDoubleHashMap
```
public TIntDoubleHashMap(int initialCapacity)
```
    Creates a new TIntDoubleHashMap instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.
    
    Parameters:
    
    initialCapacity - an int value
  - TIntDoubleHashMap
```
public TIntDoubleHashMap(int initialCapacity,
                         float loadFactor)
```
    Creates a new TIntDoubleHashMap 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
  - TIntDoubleHashMap
```
public TIntDoubleHashMap(TIntHashingStrategy strategy)
```
    Creates a new TIntDoubleHashMap instance with the default capacity and load factor.
    
    Parameters:
    
    strategy - used to compute hash codes and to compare keys.
  - TIntDoubleHashMap
```
public TIntDoubleHashMap(int initialCapacity,
                         TIntHashingStrategy strategy)
```
    Creates a new TIntDoubleHashMap 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.
  - TIntDoubleHashMap
```
public TIntDoubleHashMap(int initialCapacity,
                         float loadFactor,
                         TIntHashingStrategy strategy)
```
    Creates a new TIntDoubleHashMap 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 TIntHash
    
    Returns:
    
    a deep clone of this collection
  - iterator
```
public TIntDoubleIterator iterator()
```
    Returns:
    
    a TIntDoubleIterator 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 TIntHash
    
    Parameters:
    
    initialCapacity - an int value
    
    Returns:
    
    the actual capacity chosen
  - put
```
public double put(int key,
                  double value)
```
    Inserts a key/value pair into the map.
    
    Parameters:
    
    key - an int 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(int key)
```
    retrieves the value for key
    
    Parameters:
    
    key - an int 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(int key)
```
    Deletes a key/value pair from the map.
    
    Parameters:
    
    key - an int 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 TIntHash
    
    Parameters:
    
    index - an int value
  - getValues
```
public double[] getValues()
```
    Returns the values of the map.
    
    Returns:
    
    a Collection value
  - keys
```
public int[] 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(int key)
```
    checks for the present of key in the keys of the map.
    
    Parameters:
    
    key - an int value
    
    Returns:
    
    a boolean value
  - forEachKey
```
public boolean forEachKey(TIntProcedure procedure)
```
    Executes procedure for each key in the map.
    
    Parameters:
    
    procedure - a TIntProcedure 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(TIntDoubleProcedure procedure)
```
    Executes procedure for each key/value entry in the map.
    
    Parameters:
    
    procedure - a TIntDoubleProcedure value
    
    Returns:
    
    false if the loop over the entries terminated because the procedure returned false for some entry.
  - retainEntries
```
public boolean retainEntries(TIntDoubleProcedure 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(int 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(int 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 TIntDoubleHashMap

Field Summary

Fields inherited from class gnu.trove.TIntHash

Fields inherited from class gnu.trove.TPrimitiveHash

Fields inherited from class gnu.trove.THash

Constructor Summary

Method Summary

Methods inherited from class gnu.trove.TIntHash

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

TIntDoubleHashMap

TIntDoubleHashMap

TIntDoubleHashMap

TIntDoubleHashMap

TIntDoubleHashMap

TIntDoubleHashMap

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