TByteByteHashMap

java.lang.Object
- gnu.trove.impl.hash.THash
- - gnu.trove.impl.hash.TPrimitiveHash
  - - gnu.trove.impl.hash.TByteByteHash
    - - gnu.trove.map.hash.TByteByteHashMap

All Implemented Interfaces:

TByteByteMap, Externalizable, Serializable
```
public class TByteByteHashMap
extends TByteByteHash
implements TByteByteMap, Externalizable
```
An open addressed Map implementation for byte keys and byte values.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

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

Field Summary

Fields

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

Fields inherited from class gnu.trove.impl.hash.TByteByteHash
_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
`TByteByteHashMap()` Creates a new `TByteByteHashMap` instance with the default capacity and load factor.
`TByteByteHashMap(byte[] keys, byte[] values)` Creates a new `TByteByteHashMap` instance containing all of the entries in the map passed in.
`TByteByteHashMap(int initialCapacity)` Creates a new `TByteByteHashMap` instance with a prime capacity equal to or greater than `initialCapacity` and with the default load factor.
`TByteByteHashMap(int initialCapacity, float loadFactor)` Creates a new `TByteByteHashMap` instance with a prime capacity equal to or greater than `initialCapacity` and with the specified load factor.
`TByteByteHashMap(int initialCapacity, float loadFactor, byte noEntryKey, byte noEntryValue)` Creates a new `TByteByteHashMap` instance with a prime capacity equal to or greater than `initialCapacity` and with the specified load factor.
`TByteByteHashMap(TByteByteMap map)` Creates a new `TByteByteHashMap` 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
`byte`	`adjustOrPutValue(byte key, byte adjust_amount, byte put_amount)` Adjusts the primitive value mapped to the key if the key is present in the map.
`boolean`	`adjustValue(byte key, byte amount)` Adjusts the primitive value mapped to key.
`void`	`clear()` Empties the collection.
`boolean`	`containsKey(byte key)` Checks for the present of `key` in the keys of the map.
`boolean`	`containsValue(byte val)` Checks for the presence of `val` in the values of the map.
`boolean`	`equals(Object other)`
`boolean`	`forEachEntry(TByteByteProcedure procedure)` Executes `procedure` for each key/value entry in the map.
`boolean`	`forEachKey(TByteProcedure procedure)` Executes `procedure` for each key in the map.
`boolean`	`forEachValue(TByteProcedure procedure)` Executes `procedure` for each value in the map.
`byte`	`get(byte key)` Retrieves the value for `key`
`int`	`hashCode()`
`boolean`	`increment(byte key)` Increments the primitive value mapped to key by 1
`boolean`	`isEmpty()` Tells whether this set is currently holding any elements.
`TByteByteIterator`	`iterator()`
`byte[]`	`keys()` Returns the keys of the map as an array of `byte` values.
`byte[]`	`keys(byte[] array)` Returns the keys of the map.
`TByteSet`	`keySet()` Returns the keys of the map as a `TByteSet`
`byte`	`put(byte key, byte value)` Inserts a key/value pair into the map.
`void`	`putAll(Map<? extends Byte,? extends Byte> map)` Put all the entries from the given Map into this map.
`void`	`putAll(TByteByteMap map)` Put all the entries from the given map into this map.
`byte`	`putIfAbsent(byte key, byte 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.
`byte`	`remove(byte key)` Deletes a key/value pair from the map.
`protected void`	`removeAt(int index)` Releases the element currently stored at `index`.
`boolean`	`retainEntries(TByteByteProcedure 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(TByteFunction function)` Transform the values in this map using `function`.
`TByteCollection`	`valueCollection()` Returns the values of the map as a `TByteCollection`
`byte[]`	`values()` Returns the values of the map as an array of `#e#` values.
`byte[]`	`values(byte[] array)` Returns the values of the map using an existing array.
`void`	`writeExternal(ObjectOutput out)`

Methods inherited from class gnu.trove.impl.hash.TByteByteHash
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.TByteByteMap
getNoEntryKey, getNoEntryValue, size

- Field Detail
  - _values
```
protected transient byte[] _values
```
    the values of the map
- Constructor Detail
  - TByteByteHashMap
```
public TByteByteHashMap()
```
    Creates a new TByteByteHashMap instance with the default capacity and load factor.
  - TByteByteHashMap
```
public TByteByteHashMap(int initialCapacity)
```
    Creates a new TByteByteHashMap instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.
    
    Parameters:
    
    initialCapacity - an int value
  - TByteByteHashMap
```
public TByteByteHashMap(int initialCapacity,
                        float loadFactor)
```
    Creates a new TByteByteHashMap 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
  - TByteByteHashMap
```
public TByteByteHashMap(int initialCapacity,
                        float loadFactor,
                        byte noEntryKey,
                        byte noEntryValue)
```
    Creates a new TByteByteHashMap 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 byte value that represents null for the Key set.
    
    noEntryValue - a byte value that represents null for the Value set.
  - TByteByteHashMap
```
public TByteByteHashMap(byte[] keys,
                        byte[] values)
```
    Creates a new TByteByteHashMap instance containing all of the entries in the map passed in.
    
    Parameters:
    
    keys - a byte array containing the keys for the matching values.
    
    values - a byte array containing the values.
  - TByteByteHashMap
```
public TByteByteHashMap(TByteByteMap map)
```
    Creates a new TByteByteHashMap instance containing all of the entries in the map passed in.
    
    Parameters:
    
    map - a TByteByteMap 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 TByteByteHash
    
    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 byte put(byte key,
                byte value)
```
    Inserts a key/value pair into the map.
    
    Specified by:
    
    put in interface TByteByteMap
    
    Parameters:
    
    key - an byte value
    
    value - an byte value
    
    Returns:
    
    the previous value associated with key, or the "no entry" value if none was found (see TByteByteMap.getNoEntryValue()).
  - putIfAbsent
```
public byte putIfAbsent(byte key,
                        byte 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 TByteByteMap
    
    Parameters:
    
    key - an byte value
    
    value - an byte value
    
    Returns:
    
    the previous value associated with key, or the "no entry" value if none was found (see TByteByteMap.getNoEntryValue()).
  - putAll
```
public void putAll(Map<? extends Byte,? extends Byte> map)
```
    Put all the entries from the given Map into this map.
    
    Specified by:
    
    putAll in interface TByteByteMap
    
    Parameters:
    
    map - The Map from which entries will be obtained to put into this map.
  - putAll
```
public void putAll(TByteByteMap map)
```
    Put all the entries from the given map into this map.
    
    Specified by:
    
    putAll in interface TByteByteMap
    
    Parameters:
    
    map - The map from which entries will be obtained to put into this map.
  - get
```
public byte get(byte key)
```
    Retrieves the value for key
    
    Specified by:
    
    get in interface TByteByteMap
    
    Parameters:
    
    key - an byte value
    
    Returns:
    
    the previous value associated with key, or the "no entry" value if none was found (see TByteByteMap.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 TByteByteMap
    
    Overrides:
    
    isEmpty in class THash
    
    Returns:
    
    a boolean value
  - remove
```
public byte remove(byte key)
```
    Deletes a key/value pair from the map.
    
    Specified by:
    
    remove in interface TByteByteMap
    
    Parameters:
    
    key - an byte value
    
    Returns:
    
    the previous value associated with key, or the "no entry" value if none was found (see TByteByteMap.getNoEntryValue()).
  - removeAt
```
protected void removeAt(int index)
```
    Releases the element currently stored at index.
    
    Overrides:
    
    removeAt in class TByteByteHash
    
    Parameters:
    
    index - an int value
  - keySet
```
public TByteSet keySet()
```
    Returns the keys of the map as a TByteSet
    
    Specified by:
    
    keySet in interface TByteByteMap
    
    Returns:
    
    the keys of the map as a TByteSet
  - keys
```
public byte[] keys()
```
    Returns the keys of the map as an array of byte values.
    
    Specified by:
    
    keys in interface TByteByteMap
    
    Returns:
    
    the keys of the map as an array of byte values.
  - keys
```
public byte[] keys(byte[] array)
```
    Returns the keys of the map.
    
    Specified by:
    
    keys in interface TByteByteMap
    
    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 TByteCollection valueCollection()
```
    Returns the values of the map as a TByteCollection
    
    Specified by:
    
    valueCollection in interface TByteByteMap
    
    Returns:
    
    the values of the map as a TByteCollection
  - values
```
public byte[] values()
```
    Returns the values of the map as an array of #e# values.
    
    Specified by:
    
    values in interface TByteByteMap
    
    Returns:
    
    the values of the map as an array of #e# values.
  - values
```
public byte[] values(byte[] array)
```
    Returns the values of the map using an existing array.
    
    Specified by:
    
    values in interface TByteByteMap
    
    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(byte val)
```
    Checks for the presence of val in the values of the map.
    
    Specified by:
    
    containsValue in interface TByteByteMap
    
    Parameters:
    
    val - an byte value
    
    Returns:
    
    a boolean value
  - containsKey
```
public boolean containsKey(byte key)
```
    Checks for the present of key in the keys of the map.
    
    Specified by:
    
    containsKey in interface TByteByteMap
    
    Parameters:
    
    key - an byte value
    
    Returns:
    
    a boolean value
  - iterator
```
public TByteByteIterator iterator()
```
    Specified by:
    
    iterator in interface TByteByteMap
    
    Returns:
    
    a TByteByteIterator with access to this map's keys and values
  - forEachKey
```
public boolean forEachKey(TByteProcedure procedure)
```
    Executes procedure for each key in the map.
    
    Specified by:
    
    forEachKey in interface TByteByteMap
    
    Parameters:
    
    procedure - a TByteProcedure value
    
    Returns:
    
    false if the loop over the keys terminated because the procedure returned false for some key.
  - forEachValue
```
public boolean forEachValue(TByteProcedure procedure)
```
    Executes procedure for each value in the map.
    
    Specified by:
    
    forEachValue in interface TByteByteMap
    
    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(TByteByteProcedure procedure)
```
    Executes procedure for each key/value entry in the map.
    
    Specified by:
    
    forEachEntry in interface TByteByteMap
    
    Parameters:
    
    procedure - a TOByteByteProcedure value
    
    Returns:
    
    false if the loop over the entries terminated because the procedure returned false for some entry.
  - transformValues
```
public void transformValues(TByteFunction function)
```
    Transform the values in this map using function.
    
    Specified by:
    
    transformValues in interface TByteByteMap
    
    Parameters:
    
    function - a TByteFunction value
  - retainEntries
```
public boolean retainEntries(TByteByteProcedure procedure)
```
    Retains only those entries in the map for which the procedure returns a true value.
    
    Specified by:
    
    retainEntries in interface TByteByteMap
    
    Parameters:
    
    procedure - determines which entries to keep
    
    Returns:
    
    true if the map was modified.
  - increment
```
public boolean increment(byte key)
```
    Increments the primitive value mapped to key by 1
    
    Specified by:
    
    increment in interface TByteByteMap
    
    Parameters:
    
    key - the key of the value to increment
    
    Returns:
    
    true if a mapping was found and modified.
  - adjustValue
```
public boolean adjustValue(byte key,
                           byte amount)
```
    Adjusts the primitive value mapped to key.
    
    Specified by:
    
    adjustValue in interface TByteByteMap
    
    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 byte adjustOrPutValue(byte key,
                             byte adjust_amount,
                             byte 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 TByteByteMap
    
    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 TByteByteHash
    
    Throws:
    
    IOException
  - readExternal
```
public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException
```
    Specified by:
    
    readExternal in interface Externalizable
    
    Overrides:
    
    readExternal in class TByteByteHash
    
    Throws:
    
    IOException
    
    ClassNotFoundException

Class TByteByteHashMap

Nested Class Summary

Nested Classes

Field Summary

Fields

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

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.TByteByteHash

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.TByteByteMap

Field Detail

_values

Constructor Detail

TByteByteHashMap

TByteByteHashMap

TByteByteHashMap

TByteByteHashMap

TByteByteHashMap

TByteByteHashMap

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