TIntIntHashMap

java.lang.Object
- gnu.trove.impl.hash.THash
- - gnu.trove.impl.hash.TPrimitiveHash
  - - gnu.trove.impl.hash.TIntIntHash
    - - gnu.trove.map.hash.TIntIntHashMap

All Implemented Interfaces:

TIntIntMap, Externalizable, Serializable
```
public class TIntIntHashMap
extends TIntIntHash
implements TIntIntMap, Externalizable
```
An open addressed Map implementation for int keys and int values.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
`protected class`	`TIntIntHashMap.TKeyView` a view onto the keys of the map.
`protected class`	`TIntIntHashMap.TValueView` a view onto the values of the map.

Field Summary

Fields

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

Fields inherited from class gnu.trove.impl.hash.TIntIntHash
_set, consumeFreeSlot, no_entry_key, no_entry_value

Fields inherited from class gnu.trove.impl.hash.TPrimitiveHash
_states, FREE, FULL, REMOVED

Fields inherited from class gnu.trove.impl.hash.THash
_autoCompactionFactor, _autoCompactRemovesRemaining, _autoCompactTemporaryDisable, _free, _loadFactor, _maxSize, _size, DEFAULT_CAPACITY, DEFAULT_LOAD_FACTOR

Constructor Summary

Constructors

Constructor and Description
`TIntIntHashMap()` Creates a new `TIntIntHashMap` instance with the default capacity and load factor.
`TIntIntHashMap(int initialCapacity)` Creates a new `TIntIntHashMap` instance with a prime capacity equal to or greater than `initialCapacity` and with the default load factor.
`TIntIntHashMap(int[] keys, int[] values)` Creates a new `TIntIntHashMap` instance containing all of the entries in the map passed in.
`TIntIntHashMap(int initialCapacity, float loadFactor)` Creates a new `TIntIntHashMap` instance with a prime capacity equal to or greater than `initialCapacity` and with the specified load factor.
`TIntIntHashMap(int initialCapacity, float loadFactor, int noEntryKey, int noEntryValue)` Creates a new `TIntIntHashMap` instance with a prime capacity equal to or greater than `initialCapacity` and with the specified load factor.
`TIntIntHashMap(TIntIntMap map)` Creates a new `TIntIntHashMap` instance containing all of the entries in the map passed in.

Method Summary

All Methods

Instance Methods

Concrete Methods
Modifier and Type	Method and Description
`int`	`adjustOrPutValue(int key, int adjust_amount, int put_amount)` Adjusts the primitive value mapped to the key if the key is present in the map.
`boolean`	`adjustValue(int key, int amount)` Adjusts the primitive value mapped to key.
`void`	`clear()` Empties the collection.
`boolean`	`containsKey(int key)` Checks for the present of `key` in the keys of the map.
`boolean`	`containsValue(int val)` Checks for the presence of `val` in the values of the map.
`boolean`	`equals(Object other)`
`boolean`	`forEachEntry(TIntIntProcedure 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(TIntProcedure procedure)` Executes `procedure` for each value in the map.
`int`	`get(int key)` Retrieves the value for `key`
`int`	`hashCode()`
`boolean`	`increment(int key)` Increments the primitive value mapped to key by 1
`boolean`	`isEmpty()` Tells whether this set is currently holding any elements.
`TIntIntIterator`	`iterator()`
`int[]`	`keys()` Returns the keys of the map as an array of `int` values.
`int[]`	`keys(int[] array)` Returns the keys of the map.
`TIntSet`	`keySet()` Returns the keys of the map as a `TIntSet`
`int`	`put(int key, int value)` Inserts a key/value pair into the map.
`void`	`putAll(Map<? extends Integer,? extends Integer> map)` Put all the entries from the given Map into this map.
`void`	`putAll(TIntIntMap map)` Put all the entries from the given map into this map.
`int`	`putIfAbsent(int key, int 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 set.
`int`	`remove(int key)` Deletes a key/value pair from the map.
`protected void`	`removeAt(int index)` Releases the element currently stored at `index`.
`boolean`	`retainEntries(TIntIntProcedure 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`.
`String`	`toString()`
`void`	`transformValues(TIntFunction function)` Transform the values in this map using `function`.
`TIntCollection`	`valueCollection()` Returns the values of the map as a `TIntCollection`
`int[]`	`values()` Returns the values of the map as an array of `#e#` values.
`int[]`	`values(int[] array)` Returns the values of the map using an existing array.
`void`	`writeExternal(ObjectOutput out)`

Methods inherited from class gnu.trove.impl.hash.TIntIntHash
contains, forEach, getNoEntryKey, getNoEntryValue, index, insertKey, XinsertKey

Methods inherited from class gnu.trove.impl.hash.TPrimitiveHash
capacity

Methods inherited from class gnu.trove.impl.hash.THash
calculateGrownCapacity, compact, computeMaxSize, computeNextAutoCompactionAmount, ensureCapacity, getAutoCompactionFactor, postInsertHook, reenableAutoCompaction, setAutoCompactionFactor, size, tempDisableAutoCompaction, trimToSize

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

Methods inherited from interface gnu.trove.map.TIntIntMap
getNoEntryKey, getNoEntryValue, size

- Field Detail
  - _values
```
protected transient int[] _values
```
    the values of the map
- Constructor Detail
  - TIntIntHashMap
```
public TIntIntHashMap()
```
    Creates a new TIntIntHashMap instance with the default capacity and load factor.
  - TIntIntHashMap
```
public TIntIntHashMap(int initialCapacity)
```
    Creates a new TIntIntHashMap instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.
    
    Parameters:
    
    initialCapacity - an int value
  - TIntIntHashMap
```
public TIntIntHashMap(int initialCapacity,
                      float loadFactor)
```
    Creates a new TIntIntHashMap 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
  - TIntIntHashMap
```
public TIntIntHashMap(int initialCapacity,
                      float loadFactor,
                      int noEntryKey,
                      int noEntryValue)
```
    Creates a new TIntIntHashMap 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
    
    noEntryKey - a int value that represents null for the Key set.
    
    noEntryValue - a int value that represents null for the Value set.
  - TIntIntHashMap
```
public TIntIntHashMap(int[] keys,
                      int[] values)
```
    Creates a new TIntIntHashMap instance containing all of the entries in the map passed in.
    
    Parameters:
    
    keys - a int array containing the keys for the matching values.
    
    values - a int array containing the values.
  - TIntIntHashMap
```
public TIntIntHashMap(TIntIntMap map)
```
    Creates a new TIntIntHashMap instance containing all of the entries in the map passed in.
    
    Parameters:
    
    map - a TIntIntMap that will be duplicated.
- Method Detail
  - setUp
```
protected int setUp(int initialCapacity)
```
    initializes the hashtable to a prime capacity which is at least initialCapacity + 1.
    
    Overrides:
    
    setUp in class TIntIntHash
    
    Parameters:
    
    initialCapacity - an int value
    
    Returns:
    
    the actual capacity chosen
  - rehash
```
protected void rehash(int newCapacity)
```
    Rehashes the set.
    
    Specified by:
    
    rehash in class THash
    
    Parameters:
    
    newCapacity - an int value
  - put
```
public int put(int key,
               int value)
```
    Inserts a key/value pair into the map.
    
    Specified by:
    
    put in interface TIntIntMap
    
    Parameters:
    
    key - an int value
    
    value - an int value
    
    Returns:
    
    the previous value associated with key, or the "no entry" value if none was found (see TIntIntMap.getNoEntryValue()).
  - putIfAbsent
```
public int putIfAbsent(int key,
                       int value)
```
    Inserts a key/value pair into the map if the specified key is not already associated with a value.
    
    Specified by:
    
    putIfAbsent in interface TIntIntMap
    
    Parameters:
    
    key - an int value
    
    value - an int value
    
    Returns:
    
    the previous value associated with key, or the "no entry" value if none was found (see TIntIntMap.getNoEntryValue()).
  - putAll
```
public void putAll(Map<? extends Integer,? extends Integer> map)
```
    Put all the entries from the given Map into this map.
    
    Specified by:
    
    putAll in interface TIntIntMap
    
    Parameters:
    
    map - The Map from which entries will be obtained to put into this map.
  - putAll
```
public void putAll(TIntIntMap map)
```
    Put all the entries from the given map into this map.
    
    Specified by:
    
    putAll in interface TIntIntMap
    
    Parameters:
    
    map - The map from which entries will be obtained to put into this map.
  - get
```
public int get(int key)
```
    Retrieves the value for key
    
    Specified by:
    
    get in interface TIntIntMap
    
    Parameters:
    
    key - an int value
    
    Returns:
    
    the previous value associated with key, or the "no entry" value if none was found (see TIntIntMap.getNoEntryValue()).
  - clear
```
public void clear()
```
    Empties the collection.
  - isEmpty
```
public boolean isEmpty()
```
    Tells whether this set is currently holding any elements.
    
    Specified by:
    
    isEmpty in interface TIntIntMap
    
    Overrides:
    
    isEmpty in class THash
    
    Returns:
    
    a boolean value
  - remove
```
public int remove(int key)
```
    Deletes a key/value pair from the map.
    
    Specified by:
    
    remove in interface TIntIntMap
    
    Parameters:
    
    key - an int value
    
    Returns:
    
    the previous value associated with key, or the "no entry" value if none was found (see TIntIntMap.getNoEntryValue()).
  - removeAt
```
protected void removeAt(int index)
```
    Releases the element currently stored at index.
    
    Overrides:
    
    removeAt in class TIntIntHash
    
    Parameters:
    
    index - an int value
  - keySet
```
public TIntSet keySet()
```
    Returns the keys of the map as a TIntSet
    
    Specified by:
    
    keySet in interface TIntIntMap
    
    Returns:
    
    the keys of the map as a TIntSet
  - keys
```
public int[] keys()
```
    Returns the keys of the map as an array of int values.
    
    Specified by:
    
    keys in interface TIntIntMap
    
    Returns:
    
    the keys of the map as an array of int values.
  - keys
```
public int[] keys(int[] array)
```
    Returns the keys of the map.
    
    Specified by:
    
    keys in interface TIntIntMap
    
    Parameters:
    
    array - 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:
    
    the keys of the map as an array.
  - valueCollection
```
public TIntCollection valueCollection()
```
    Returns the values of the map as a TIntCollection
    
    Specified by:
    
    valueCollection in interface TIntIntMap
    
    Returns:
    
    the values of the map as a TIntCollection
  - values
```
public int[] values()
```
    Returns the values of the map as an array of #e# values.
    
    Specified by:
    
    values in interface TIntIntMap
    
    Returns:
    
    the values of the map as an array of #e# values.
  - values
```
public int[] values(int[] array)
```
    Returns the values of the map using an existing array.
    
    Specified by:
    
    values in interface TIntIntMap
    
    Parameters:
    
    array - 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:
    
    the values of the map as an array of #e# values.
  - containsValue
```
public boolean containsValue(int val)
```
    Checks for the presence of val in the values of the map.
    
    Specified by:
    
    containsValue in interface TIntIntMap
    
    Parameters:
    
    val - an int value
    
    Returns:
    
    a boolean value
  - containsKey
```
public boolean containsKey(int key)
```
    Checks for the present of key in the keys of the map.
    
    Specified by:
    
    containsKey in interface TIntIntMap
    
    Parameters:
    
    key - an int value
    
    Returns:
    
    a boolean value
  - iterator
```
public TIntIntIterator iterator()
```
    Specified by:
    
    iterator in interface TIntIntMap
    
    Returns:
    
    a TIntIntIterator with access to this map's keys and values
  - forEachKey
```
public boolean forEachKey(TIntProcedure procedure)
```
    Executes procedure for each key in the map.
    
    Specified by:
    
    forEachKey in interface TIntIntMap
    
    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(TIntProcedure procedure)
```
    Executes procedure for each value in the map.
    
    Specified by:
    
    forEachValue in interface TIntIntMap
    
    Parameters:
    
    procedure - a T#F#Procedure value
    
    Returns:
    
    false if the loop over the values terminated because the procedure returned false for some value.
  - forEachEntry
```
public boolean forEachEntry(TIntIntProcedure procedure)
```
    Executes procedure for each key/value entry in the map.
    
    Specified by:
    
    forEachEntry in interface TIntIntMap
    
    Parameters:
    
    procedure - a TOIntIntProcedure value
    
    Returns:
    
    false if the loop over the entries terminated because the procedure returned false for some entry.
  - transformValues
```
public void transformValues(TIntFunction function)
```
    Transform the values in this map using function.
    
    Specified by:
    
    transformValues in interface TIntIntMap
    
    Parameters:
    
    function - a TIntFunction value
  - retainEntries
```
public boolean retainEntries(TIntIntProcedure procedure)
```
    Retains only those entries in the map for which the procedure returns a true value.
    
    Specified by:
    
    retainEntries in interface TIntIntMap
    
    Parameters:
    
    procedure - determines which entries to keep
    
    Returns:
    
    true if the map was modified.
  - increment
```
public boolean increment(int key)
```
    Increments the primitive value mapped to key by 1
    
    Specified by:
    
    increment in interface TIntIntMap
    
    Parameters:
    
    key - the key of the value to increment
    
    Returns:
    
    true if a mapping was found and modified.
  - adjustValue
```
public boolean adjustValue(int key,
                           int amount)
```
    Adjusts the primitive value mapped to key.
    
    Specified by:
    
    adjustValue in interface TIntIntMap
    
    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 int adjustOrPutValue(int key,
                            int adjust_amount,
                            int 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.
    
    Specified by:
    
    adjustOrPutValue in interface TIntIntMap
    
    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
  - equals
```
public boolean equals(Object other)
```
  - hashCode
```
public int hashCode()
```
  - toString
```
public String toString()
```
  - writeExternal
```
public void writeExternal(ObjectOutput out)
                   throws IOException
```
    Specified by:
    
    writeExternal in interface Externalizable
    
    Overrides:
    
    writeExternal in class TIntIntHash
    
    Throws:
    
    IOException
  - readExternal
```
public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException
```
    Specified by:
    
    readExternal in interface Externalizable
    
    Overrides:
    
    readExternal in class TIntIntHash
    
    Throws:
    
    IOException
    
    ClassNotFoundException

Class TIntIntHashMap

Nested Class Summary

Nested Classes

Field Summary

Fields

Fields inherited from class gnu.trove.impl.hash.TIntIntHash

Fields inherited from class gnu.trove.impl.hash.TPrimitiveHash

Fields inherited from class gnu.trove.impl.hash.THash

Constructor Summary

Constructors

Method Summary

Methods inherited from class gnu.trove.impl.hash.TIntIntHash

Methods inherited from class gnu.trove.impl.hash.TPrimitiveHash

Methods inherited from class gnu.trove.impl.hash.THash

Methods inherited from class java.lang.Object

Methods inherited from interface gnu.trove.map.TIntIntMap

Field Detail

_values

Constructor Detail

TIntIntHashMap

TIntIntHashMap

TIntIntHashMap

TIntIntHashMap

TIntIntHashMap

TIntIntHashMap

Method Detail

setUp

rehash

put

putIfAbsent

putAll

putAll

get

clear

isEmpty

remove

removeAt

keySet

keys

keys

valueCollection

values

values

containsValue

containsKey

iterator

forEachKey

forEachValue

forEachEntry

transformValues

retainEntries

increment

adjustValue

adjustOrPutValue

equals

hashCode

toString

writeExternal

readExternal