TIntFloatHashMap

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

All Implemented Interfaces:

TIntHashingStrategy, Externalizable, Serializable, Cloneable
```
public class TIntFloatHashMap
extends TIntHash
implements Externalizable
```
An open addressed Map implementation for int keys and float values. Created: Sun Nov 4 08:52:45 2001

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
`protected float[]`	`_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
_autoCompactionFactor, _autoCompactRemovesRemaining, _free, _loadFactor, _maxSize, _size, DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR

Constructor Summary

Constructors

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

Method Summary

All Methods

Instance Methods

Concrete Methods
Modifier and Type	Method and Description
`float`	`adjustOrPutValue(int key, float adjust_amount, float put_amount)` Adjusts the primitive value mapped to the key if the key is present in the map.
`boolean`	`adjustValue(int key, float amount)` Adjusts the primitive value mapped to key.
`void`	`clear()` Empties the map.
`Object`	`clone()`
`boolean`	`containsKey(int key)` checks for the present of `key` in the keys of the map.
`boolean`	`containsValue(float val)` checks for the presence of `val` in the values of the map.
`boolean`	`equals(Object other)` Compares this map with another map for equality of their stored entries.
`boolean`	`forEachEntry(TIntFloatProcedure 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(TFloatProcedure procedure)` Executes `procedure` for each value in the map.
`float`	`get(int key)` retrieves the value for `key`
`float[]`	`getValues()` Returns the values of the map.
`int`	`hashCode()`
`boolean`	`increment(int key)` Increments the primitive value mapped to key by 1
`TIntFloatIterator`	`iterator()`
`int[]`	`keys()` returns the keys of the map.
`int[]`	`keys(int[] a)` returns the keys of the map.
`float`	`put(int key, float value)` Inserts a key/value pair into the map.
`float`	`putIfAbsent(int key, float value)` Inserts a key/value pair into the map if the specified key is not already associated with a value.
`void`	`readExternal(ObjectInput in)`
`protected void`	`rehash(int newCapacity)` rehashes the map to the new capacity.
`float`	`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(TIntFloatProcedure 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`.
`void`	`transformValues(TFloatFunction function)` Transform the values in this map using `function`.
`void`	`writeExternal(ObjectOutput out)`

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, getAutoCompactionFactor, isEmpty, postInsertHook, reenableAutoCompaction, setAutoCompactionFactor, size, tempDisableAutoCompaction, trimToSize

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

- Field Detail
  - _values
```
protected transient float[] _values
```
    the values of the map
- Constructor Detail
  - TIntFloatHashMap
```
public TIntFloatHashMap()
```
    Creates a new TIntFloatHashMap instance with the default capacity and load factor.
  - TIntFloatHashMap
```
public TIntFloatHashMap(int initialCapacity)
```
    Creates a new TIntFloatHashMap instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.
    
    Parameters:
    
    initialCapacity - an int value
  - TIntFloatHashMap
```
public TIntFloatHashMap(int initialCapacity,
                        float loadFactor)
```
    Creates a new TIntFloatHashMap 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
  - TIntFloatHashMap
```
public TIntFloatHashMap(TIntHashingStrategy strategy)
```
    Creates a new TIntFloatHashMap instance with the default capacity and load factor.
    
    Parameters:
    
    strategy - used to compute hash codes and to compare keys.
  - TIntFloatHashMap
```
public TIntFloatHashMap(int initialCapacity,
                        TIntHashingStrategy strategy)
```
    Creates a new TIntFloatHashMap 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.
  - TIntFloatHashMap
```
public TIntFloatHashMap(int initialCapacity,
                        float loadFactor,
                        TIntHashingStrategy strategy)
```
    Creates a new TIntFloatHashMap 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 Object clone()
```
    Overrides:
    
    clone in class TIntHash
    
    Returns:
    
    a deep clone of this collection
  - iterator
```
public TIntFloatIterator iterator()
```
    Returns:
    
    a TIntFloatIterator 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 float put(int key,
                 float value)
```
    Inserts a key/value pair into the map.
    
    Parameters:
    
    key - an int value
    
    value - an float value
    
    Returns:
    
    the previous value associated with key, or (int)0 if none was found.
  - putIfAbsent
```
public float putIfAbsent(int key,
                         float value)
```
    Inserts a key/value pair into the map if the specified key is not already associated with a value.
    
    Parameters:
    
    key - an int value
    
    value - an float value
    
    Returns:
    
    the previous value associated with key, or (int)0 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 float get(int key)
```
    retrieves the value for key
    
    Parameters:
    
    key - an int value
    
    Returns:
    
    the value of key or (int)0 if no such mapping exists.
  - clear
```
public void clear()
```
    Empties the map.
  - remove
```
public float remove(int key)
```
    Deletes a key/value pair from the map.
    
    Parameters:
    
    key - an int value
    
    Returns:
    
    an float value, or (int)0 if no mapping for key exists
  - equals
```
public boolean equals(Object other)
```
    Compares this map with another map for equality of their stored entries.
    
    Overrides:
    
    equals in class Object
    
    Parameters:
    
    other - an Object value
    
    Returns:
    
    a boolean value
  - hashCode
```
public int hashCode()
```
  - 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 float[] 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
  - keys
```
public int[] keys(int[] a)
```
    returns the keys of the map.
    
    Parameters:
    
    a - the array into which the elements of the list are to be stored, if it is big enough; otherwise, a new array of the same type is allocated for this purpose.
    
    Returns:
    
    a Set value
  - containsValue
```
public boolean containsValue(float val)
```
    checks for the presence of val in the values of the map.
    
    Parameters:
    
    val - an float 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(TFloatProcedure procedure)
```
    Executes procedure for each value in the map.
    
    Parameters:
    
    procedure - a TFloatProcedure value
    
    Returns:
    
    false if the loop over the values terminated because the procedure returned false for some value.
  - forEachEntry
```
public boolean forEachEntry(TIntFloatProcedure procedure)
```
    Executes procedure for each key/value entry in the map.
    
    Parameters:
    
    procedure - a TOIntFloatProcedure value
    
    Returns:
    
    false if the loop over the entries terminated because the procedure returned false for some entry.
  - retainEntries
```
public boolean retainEntries(TIntFloatProcedure 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(TFloatFunction function)
```
    Transform the values in this map using function.
    
    Parameters:
    
    function - a TFloatFunction 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,
                           float 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.
  - adjustOrPutValue
```
public float adjustOrPutValue(int key,
                              float adjust_amount,
                              float put_amount)
```
    Adjusts the primitive value mapped to the key if the key is present in the map. Otherwise, the initial_value is put in the map.
    
    Parameters:
    
    key - the key of the value to increment
    
    adjust_amount - the amount to adjust the value by
    
    put_amount - the value put into the map if the key is not initial present
    
    Returns:
    
    the value present in the map after the adjustment or put operation
    
    Since:
    
    2.0b1
  - writeExternal
```
public void writeExternal(ObjectOutput out)
                   throws IOException
```
    Specified by:
    
    writeExternal in interface Externalizable
    
    Overrides:
    
    writeExternal in class THash
    
    Throws:
    
    IOException
  - readExternal
```
public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException
```
    Specified by:
    
    readExternal in interface Externalizable
    
    Overrides:
    
    readExternal in class THash
    
    Throws:
    
    IOException
    
    ClassNotFoundException

Class TIntFloatHashMap

Field Summary

Fields

Fields inherited from class gnu.trove.TIntHash

Fields inherited from class gnu.trove.TPrimitiveHash

Fields inherited from class gnu.trove.THash

Constructor Summary

Constructors

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

TIntFloatHashMap

TIntFloatHashMap

TIntFloatHashMap

TIntFloatHashMap

TIntFloatHashMap

TIntFloatHashMap

Method Detail

clone

iterator

setUp

put

putIfAbsent

rehash

get

clear

remove

equals

hashCode

removeAt

getValues

keys

keys

containsValue

containsKey

forEachKey

forEachValue

forEachEntry

retainEntries

transformValues

increment

adjustValue

adjustOrPutValue

writeExternal

readExternal