Package gnu.trove.map.hash
Class TFloatByteHashMap
java.lang.Object
gnu.trove.impl.hash.THash
gnu.trove.impl.hash.TPrimitiveHash
gnu.trove.impl.hash.TFloatByteHash
gnu.trove.map.hash.TFloatByteHashMap
- All Implemented Interfaces:
TFloatByteMap
,Externalizable
,Serializable
public class TFloatByteHashMap
extends gnu.trove.impl.hash.TFloatByteHash
implements TFloatByteMap, Externalizable
An open addressed Map implementation for float keys and byte values.
- See Also:
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionprotected class
a view onto the keys of the map.protected class
a view onto the values of the map. -
Field Summary
FieldsFields inherited from class gnu.trove.impl.hash.TFloatByteHash
_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
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Constructor Summary
ConstructorsConstructorDescriptionCreates a newTFloatByteHashMap
instance with the default capacity and load factor.TFloatByteHashMap
(float[] keys, byte[] values) Creates a newTFloatByteHashMap
instance containing all of the entries in the map passed in.TFloatByteHashMap
(int initialCapacity) Creates a newTFloatByteHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.TFloatByteHashMap
(int initialCapacity, float loadFactor) Creates a newTFloatByteHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.TFloatByteHashMap
(int initialCapacity, float loadFactor, float noEntryKey, byte noEntryValue) Creates a newTFloatByteHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.Creates a newTFloatByteHashMap
instance containing all of the entries in the map passed in. -
Method Summary
Modifier and TypeMethodDescriptionbyte
adjustOrPutValue
(float 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
(float key, byte amount) Adjusts the primitive value mapped to key.void
clear()
Empties the collection.boolean
containsKey
(float 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
boolean
forEachEntry
(TFloatByteProcedure procedure) Executes procedure for each key/value entry in the map.boolean
forEachKey
(TFloatProcedure procedure) Executes procedure for each key in the map.boolean
forEachValue
(TByteProcedure procedure) Executes procedure for each value in the map.byte
get
(float key) Retrieves the value for keyint
hashCode()
boolean
increment
(float key) Increments the primitive value mapped to key by 1boolean
isEmpty()
Tells whether this set is currently holding any elements.iterator()
float[]
keys()
Returns the keys of the map as an array of float values.float[]
keys
(float[] array) Returns the keys of the map.keySet()
Returns the keys of the map as a TFloatSetbyte
put
(float key, byte value) Inserts a key/value pair into the map.void
putAll
(TFloatByteMap map) Put all the entries from the given map into this map.void
Put all the entries from the given Map into this map.byte
putIfAbsent
(float key, byte value) Inserts a key/value pair into the map if the specified key is not already associated with a value.void
protected void
rehash
(int newCapacity) Rehashes the set.byte
remove
(float key) Deletes a key/value pair from the map.protected void
removeAt
(int index) Releases the element currently stored at index.boolean
retainEntries
(TFloatByteProcedure 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.toString()
void
transformValues
(TByteFunction function) Transform the values in this map using function.Returns the values of the map as a TByteCollectionbyte[]
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
Methods inherited from class gnu.trove.impl.hash.TFloatByteHash
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.TFloatByteMap
getNoEntryKey, getNoEntryValue, size
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Field Details
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_values
protected transient byte[] _valuesthe values of the map
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Constructor Details
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TFloatByteHashMap
public TFloatByteHashMap()Creates a newTFloatByteHashMap
instance with the default capacity and load factor. -
TFloatByteHashMap
public TFloatByteHashMap(int initialCapacity) Creates a newTFloatByteHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.- Parameters:
initialCapacity
- anint
value
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TFloatByteHashMap
public TFloatByteHashMap(int initialCapacity, float loadFactor) Creates a newTFloatByteHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.- Parameters:
initialCapacity
- anint
valueloadFactor
- afloat
value
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TFloatByteHashMap
public TFloatByteHashMap(int initialCapacity, float loadFactor, float noEntryKey, byte noEntryValue) Creates a newTFloatByteHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.- Parameters:
initialCapacity
- anint
valueloadFactor
- afloat
valuenoEntryKey
- afloat
value that represents null for the Key set.noEntryValue
- abyte
value that represents null for the Value set.
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TFloatByteHashMap
public TFloatByteHashMap(float[] keys, byte[] values) Creates a newTFloatByteHashMap
instance containing all of the entries in the map passed in.- Parameters:
keys
- a float array containing the keys for the matching values.values
- a byte array containing the values.
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TFloatByteHashMap
Creates a newTFloatByteHashMap
instance containing all of the entries in the map passed in.- Parameters:
map
- a TFloatByteMap that will be duplicated.
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Method Details
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setUp
protected int setUp(int initialCapacity) initializes the hashtable to a prime capacity which is at least initialCapacity + 1.- Overrides:
setUp
in classgnu.trove.impl.hash.TFloatByteHash
- Parameters:
initialCapacity
- anint
value- Returns:
- the actual capacity chosen
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rehash
protected void rehash(int newCapacity) Rehashes the set.- Specified by:
rehash
in classgnu.trove.impl.hash.THash
- Parameters:
newCapacity
- anint
value
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put
public byte put(float key, byte value) Inserts a key/value pair into the map.- Specified by:
put
in interfaceTFloatByteMap
- Parameters:
key
- anfloat
valuevalue
- anbyte
value- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
TFloatByteMap.getNoEntryValue()
).
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putIfAbsent
public byte putIfAbsent(float 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 interfaceTFloatByteMap
- Parameters:
key
- anfloat
valuevalue
- anbyte
value- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
TFloatByteMap.getNoEntryValue()
).
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putAll
Put all the entries from the given Map into this map.- Specified by:
putAll
in interfaceTFloatByteMap
- Parameters:
map
- The Map from which entries will be obtained to put into this map.
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putAll
Put all the entries from the given map into this map.- Specified by:
putAll
in interfaceTFloatByteMap
- Parameters:
map
- The map from which entries will be obtained to put into this map.
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get
public byte get(float key) Retrieves the value for key- Specified by:
get
in interfaceTFloatByteMap
- Parameters:
key
- anfloat
value- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
TFloatByteMap.getNoEntryValue()
).
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clear
public void clear()Empties the collection.- Specified by:
clear
in interfaceTFloatByteMap
- Overrides:
clear
in classgnu.trove.impl.hash.THash
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isEmpty
public boolean isEmpty()Tells whether this set is currently holding any elements.- Specified by:
isEmpty
in interfaceTFloatByteMap
- Overrides:
isEmpty
in classgnu.trove.impl.hash.THash
- Returns:
- a
boolean
value
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remove
public byte remove(float key) Deletes a key/value pair from the map.- Specified by:
remove
in interfaceTFloatByteMap
- Parameters:
key
- anfloat
value- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
TFloatByteMap.getNoEntryValue()
).
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removeAt
protected void removeAt(int index) Releases the element currently stored at index.- Overrides:
removeAt
in classgnu.trove.impl.hash.TFloatByteHash
- Parameters:
index
- anint
value
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keySet
Returns the keys of the map as a TFloatSet- Specified by:
keySet
in interfaceTFloatByteMap
- Returns:
- the keys of the map as a TFloatSet
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keys
public float[] keys()Returns the keys of the map as an array of float values.- Specified by:
keys
in interfaceTFloatByteMap
- Returns:
- the keys of the map as an array of float values.
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keys
public float[] keys(float[] array) Returns the keys of the map.- Specified by:
keys
in interfaceTFloatByteMap
- 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.
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valueCollection
Returns the values of the map as a TByteCollection- Specified by:
valueCollection
in interfaceTFloatByteMap
- Returns:
- the values of the map as a TByteCollection
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values
public byte[] values()Returns the values of the map as an array of #e# values.- Specified by:
values
in interfaceTFloatByteMap
- Returns:
- the values of the map as an array of #e# values.
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values
public byte[] values(byte[] array) Returns the values of the map using an existing array.- Specified by:
values
in interfaceTFloatByteMap
- 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.
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containsValue
public boolean containsValue(byte val) Checks for the presence of val in the values of the map.- Specified by:
containsValue
in interfaceTFloatByteMap
- Parameters:
val
- anbyte
value- Returns:
- a
boolean
value
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containsKey
public boolean containsKey(float key) Checks for the present of key in the keys of the map.- Specified by:
containsKey
in interfaceTFloatByteMap
- Parameters:
key
- anfloat
value- Returns:
- a
boolean
value
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iterator
- Specified by:
iterator
in interfaceTFloatByteMap
- Returns:
- a TFloatByteIterator with access to this map's keys and values
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forEachKey
Executes procedure for each key in the map.- Specified by:
forEachKey
in interfaceTFloatByteMap
- Parameters:
procedure
- aTFloatProcedure
value- Returns:
- false if the loop over the keys terminated because the procedure returned false for some key.
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forEachValue
Executes procedure for each value in the map.- Specified by:
forEachValue
in interfaceTFloatByteMap
- Parameters:
procedure
- aT#F#Procedure
value- Returns:
- false if the loop over the values terminated because the procedure returned false for some value.
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forEachEntry
Executes procedure for each key/value entry in the map.- Specified by:
forEachEntry
in interfaceTFloatByteMap
- Parameters:
procedure
- aTOFloatByteProcedure
value- Returns:
- false if the loop over the entries terminated because the procedure returned false for some entry.
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transformValues
Transform the values in this map using function.- Specified by:
transformValues
in interfaceTFloatByteMap
- Parameters:
function
- aTByteFunction
value
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retainEntries
Retains only those entries in the map for which the procedure returns a true value.- Specified by:
retainEntries
in interfaceTFloatByteMap
- Parameters:
procedure
- determines which entries to keep- Returns:
- true if the map was modified.
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increment
public boolean increment(float key) Increments the primitive value mapped to key by 1- Specified by:
increment
in interfaceTFloatByteMap
- Parameters:
key
- the key of the value to increment- Returns:
- true if a mapping was found and modified.
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adjustValue
public boolean adjustValue(float key, byte amount) Adjusts the primitive value mapped to key.- Specified by:
adjustValue
in interfaceTFloatByteMap
- Parameters:
key
- the key of the value to incrementamount
- the amount to adjust the value by.- Returns:
- true if a mapping was found and modified.
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adjustOrPutValue
public byte adjustOrPutValue(float 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 interfaceTFloatByteMap
- Parameters:
key
- the key of the value to incrementadjust_amount
- the amount to adjust the value byput_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
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equals
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hashCode
public int hashCode() -
toString
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writeExternal
- Specified by:
writeExternal
in interfaceExternalizable
- Overrides:
writeExternal
in classgnu.trove.impl.hash.TFloatByteHash
- Throws:
IOException
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readExternal
- Specified by:
readExternal
in interfaceExternalizable
- Overrides:
readExternal
in classgnu.trove.impl.hash.TFloatByteHash
- Throws:
IOException
ClassNotFoundException
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