Package gnu.trove.map.hash
Class TLongShortHashMap
java.lang.Object
gnu.trove.impl.hash.THash
gnu.trove.impl.hash.TPrimitiveHash
gnu.trove.impl.hash.TLongShortHash
gnu.trove.map.hash.TLongShortHashMap
- All Implemented Interfaces:
TLongShortMap
,Externalizable
,Serializable
An open addressed Map implementation for long keys and short 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.TLongShortHash
_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 newTLongShortHashMap
instance with the default capacity and load factor.TLongShortHashMap
(int initialCapacity) Creates a newTLongShortHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the default load factor.TLongShortHashMap
(int initialCapacity, float loadFactor) Creates a newTLongShortHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.TLongShortHashMap
(int initialCapacity, float loadFactor, long noEntryKey, short noEntryValue) Creates a newTLongShortHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.TLongShortHashMap
(long[] keys, short[] values) Creates a newTLongShortHashMap
instance containing all of the entries in the map passed in.Creates a newTLongShortHashMap
instance containing all of the entries in the map passed in. -
Method Summary
Modifier and TypeMethodDescriptionshort
adjustOrPutValue
(long key, short adjust_amount, short put_amount) Adjusts the primitive value mapped to the key if the key is present in the map.boolean
adjustValue
(long key, short amount) Adjusts the primitive value mapped to key.void
clear()
Empties the collection.boolean
containsKey
(long key) Checks for the present of key in the keys of the map.boolean
containsValue
(short val) Checks for the presence of val in the values of the map.boolean
boolean
forEachEntry
(TLongShortProcedure procedure) Executes procedure for each key/value entry in the map.boolean
forEachKey
(TLongProcedure procedure) Executes procedure for each key in the map.boolean
forEachValue
(TShortProcedure procedure) Executes procedure for each value in the map.short
get
(long key) Retrieves the value for key.int
hashCode()
boolean
increment
(long key) Increments the primitive value mapped to key by 1boolean
isEmpty()
Tells whether this set is currently holding any elements.iterator()
long[]
keys()
Returns the keys of the map as an array of long values.long[]
keys
(long[] array) Returns the keys of the map.keySet()
Returns the keys of the map as a TLongSetshort
put
(long key, short value) Inserts a key/value pair into the map.void
putAll
(TLongShortMap map) Put all the entries from the given map into this map.void
Put all the entries from the given Map into this map.short
putIfAbsent
(long key, short 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.short
remove
(long key) Deletes a key/value pair from the map.protected void
removeAt
(int index) Releases the element currently stored at index.boolean
retainEntries
(TLongShortProcedure 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
(TShortFunction function) Transform the values in this map using function.Returns the values of the map as a TShortCollectionshort[]
values()
Returns the values of the map as an array of #e# values.short[]
values
(short[] array) Returns the values of the map using an existing array.void
Methods inherited from class gnu.trove.impl.hash.TLongShortHash
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, fastCeil, getAutoCompactionFactor, postInsertHook, reenableAutoCompaction, saturatedCast, 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.TLongShortMap
getNoEntryKey, getNoEntryValue, size
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Field Details
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_values
protected transient short[] _valuesthe values of the map
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Constructor Details
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TLongShortHashMap
public TLongShortHashMap()Creates a newTLongShortHashMap
instance with the default capacity and load factor. -
TLongShortHashMap
public TLongShortHashMap(int initialCapacity) Creates a newTLongShortHashMap
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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TLongShortHashMap
public TLongShortHashMap(int initialCapacity, float loadFactor) Creates a newTLongShortHashMap
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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TLongShortHashMap
public TLongShortHashMap(int initialCapacity, float loadFactor, long noEntryKey, short noEntryValue) Creates a newTLongShortHashMap
instance with a prime capacity equal to or greater than initialCapacity and with the specified load factor.- Parameters:
initialCapacity
- anint
valueloadFactor
- afloat
valuenoEntryKey
- along
value that represents null for the Key set.noEntryValue
- ashort
value that represents null for the Value set.
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TLongShortHashMap
public TLongShortHashMap(long[] keys, short[] values) Creates a newTLongShortHashMap
instance containing all of the entries in the map passed in.- Parameters:
keys
- a long array containing the keys for the matching values.values
- a short array containing the values.
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TLongShortHashMap
Creates a newTLongShortHashMap
instance containing all of the entries in the map passed in.- Parameters:
map
- a TLongShortMap 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 classTLongShortHash
- Parameters:
initialCapacity
- anint
value- Returns:
- the actual capacity chosen
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rehash
protected void rehash(int newCapacity) Rehashes the set. -
put
public short put(long key, short value) Inserts a key/value pair into the map.- Specified by:
put
in interfaceTLongShortMap
- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
TLongShortMap.getNoEntryValue()
).
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putIfAbsent
public short putIfAbsent(long key, short value) Inserts a key/value pair into the map if the specified key is not already associated with a value.- Specified by:
putIfAbsent
in interfaceTLongShortMap
- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
TLongShortMap.getNoEntryValue()
).
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putAll
Put all the entries from the given Map into this map.- Specified by:
putAll
in interfaceTLongShortMap
- 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 interfaceTLongShortMap
- Parameters:
map
- The map from which entries will be obtained to put into this map.
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get
public short get(long key) Retrieves the value for key.- Specified by:
get
in interfaceTLongShortMap
- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
TLongShortMap.getNoEntryValue()
).
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clear
public void clear()Empties the collection.- Specified by:
clear
in interfaceTLongShortMap
- Overrides:
clear
in classTHash
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isEmpty
public boolean isEmpty()Tells whether this set is currently holding any elements.- Specified by:
isEmpty
in interfaceTLongShortMap
- Overrides:
isEmpty
in classTHash
- Returns:
- a
boolean
value
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remove
public short remove(long key) Deletes a key/value pair from the map.- Specified by:
remove
in interfaceTLongShortMap
- Parameters:
key
- anlong
value- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
TLongShortMap.getNoEntryValue()
).
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removeAt
protected void removeAt(int index) Releases the element currently stored at index.- Overrides:
removeAt
in classTLongShortHash
- Parameters:
index
- anint
value
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keySet
Returns the keys of the map as a TLongSet- Specified by:
keySet
in interfaceTLongShortMap
- Returns:
- the keys of the map as a TLongSet
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keys
public long[] keys()Returns the keys of the map as an array of long values.- Specified by:
keys
in interfaceTLongShortMap
- Returns:
- the keys of the map as an array of long values.
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keys
public long[] keys(long[] array) Returns the keys of the map.- Specified by:
keys
in interfaceTLongShortMap
- 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 TShortCollection- Specified by:
valueCollection
in interfaceTLongShortMap
- Returns:
- the values of the map as a TShortCollection
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values
public short[] values()Returns the values of the map as an array of #e# values.- Specified by:
values
in interfaceTLongShortMap
- Returns:
- the values of the map as an array of #e# values.
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values
public short[] values(short[] array) Returns the values of the map using an existing array.- Specified by:
values
in interfaceTLongShortMap
- 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(short val) Checks for the presence of val in the values of the map.- Specified by:
containsValue
in interfaceTLongShortMap
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containsKey
public boolean containsKey(long key) Checks for the present of key in the keys of the map.- Specified by:
containsKey
in interfaceTLongShortMap
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iterator
- Specified by:
iterator
in interfaceTLongShortMap
- Returns:
- a TLongShortIterator 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 interfaceTLongShortMap
- Parameters:
procedure
- aTLongProcedure
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 interfaceTLongShortMap
- 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 interfaceTLongShortMap
- Parameters:
procedure
- aTOLongShortProcedure
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 interfaceTLongShortMap
- Parameters:
function
- aTShortFunction
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 interfaceTLongShortMap
- Parameters:
procedure
- determines which entries to keep- Returns:
- true if the map was modified.
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increment
public boolean increment(long key) Increments the primitive value mapped to key by 1- Specified by:
increment
in interfaceTLongShortMap
- 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(long key, short amount) Adjusts the primitive value mapped to key.- Specified by:
adjustValue
in interfaceTLongShortMap
- 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 short adjustOrPutValue(long key, short adjust_amount, short put_amount) Adjusts the primitive value mapped to the key if the key is present in the map. Otherwise, the put_amount is put in the map.- Specified by:
adjustOrPutValue
in interfaceTLongShortMap
- 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 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 classTLongShortHash
- Throws:
IOException
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readExternal
- Specified by:
readExternal
in interfaceExternalizable
- Overrides:
readExternal
in classTLongShortHash
- Throws:
IOException
ClassNotFoundException
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