Package gnu.trove.map
Interface TLongShortMap
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- All Known Implementing Classes:
TLongShortHashMap
public interface TLongShortMap
Interface for a primitive map of long keys and short values.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description 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.boolean
adjustValue(long key, short amount)
Adjusts the primitive value mapped to key.void
clear()
Empties the map.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
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 keylong
getNoEntryKey()
Returns the value that will be returned fromget(long)
orput(long, short)
if no entry exists for a given key.short
getNoEntryValue()
Returns the value that will be returned fromget(long)
orput(long, short)
if no entry exists for a given key.boolean
increment(long key)
Increments the primitive value mapped to key by 1boolean
isEmpty()
Returns true if this map contains no key-value mappings.TLongShortIterator
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.TLongSet
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
putAll(java.util.Map<? extends java.lang.Long,? extends java.lang.Short> map)
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.short
remove(long key)
Deletes a key/value pair from the map.boolean
retainEntries(TLongShortProcedure procedure)
Retains only those entries in the map for which the procedure returns a true value.int
size()
Returns an int value that is the number of elements in the map.void
transformValues(TShortFunction function)
Transform the values in this map using function.TShortCollection
valueCollection()
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.
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Method Detail
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getNoEntryKey
long getNoEntryKey()
Returns the value that will be returned fromget(long)
orput(long, short)
if no entry exists for a given key. The default value is generally zero, but can be changed during construction of the collection.- Returns:
- the value that represents a null key in this collection.
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getNoEntryValue
short getNoEntryValue()
Returns the value that will be returned fromget(long)
orput(long, short)
if no entry exists for a given key. The default value is generally zero, but can be changed during construction of the collection.- Returns:
- the value that represents a null value in this collection.
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put
short put(long key, short value)
Inserts a key/value pair into the map.- Parameters:
key
- anlong
valuevalue
- anshort
value- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
getNoEntryValue()
).
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putIfAbsent
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.- Parameters:
key
- anlong
valuevalue
- anshort
value- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
getNoEntryValue()
).
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putAll
void putAll(java.util.Map<? extends java.lang.Long,? extends java.lang.Short> map)
Put all the entries from the given Map into this map.- Parameters:
map
- The Map from which entries will be obtained to put into this map.
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putAll
void putAll(TLongShortMap map)
Put all the entries from the given map into this map.- Parameters:
map
- The map from which entries will be obtained to put into this map.
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get
short get(long key)
Retrieves the value for key- Parameters:
key
- anlong
value- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
getNoEntryValue()
).
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clear
void clear()
Empties the map.
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isEmpty
boolean isEmpty()
Returns true if this map contains no key-value mappings.- Returns:
- true if this map contains no key-value mappings
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remove
short remove(long key)
Deletes a key/value pair from the map.- Parameters:
key
- anlong
value- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
getNoEntryValue()
).
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size
int size()
Returns an int value that is the number of elements in the map.- Returns:
- an int value that is the number of elements in the map.
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keySet
TLongSet keySet()
Returns the keys of the map as a TLongSet- Returns:
- the keys of the map as a TLongSet
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keys
long[] keys()
Returns the keys of the map as an array of long values.- Returns:
- the keys of the map as an array of long values.
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keys
long[] keys(long[] array)
Returns the keys of the map.- 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
TShortCollection valueCollection()
Returns the values of the map as a TShortCollection- Returns:
- the values of the map as a TShortCollection
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values
short[] values()
Returns the values of the map as an array of #e# values.- Returns:
- the values of the map as an array of #e# values.
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values
short[] values(short[] array)
Returns the values of the map using an existing array.- 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
boolean containsValue(short val)
Checks for the presence of val in the values of the map.- Parameters:
val
- anshort
value- Returns:
- a
boolean
value
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containsKey
boolean containsKey(long key)
Checks for the present of key in the keys of the map.- Parameters:
key
- anlong
value- Returns:
- a
boolean
value
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iterator
TLongShortIterator iterator()
- Returns:
- a TLongShortIterator with access to this map's keys and values
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forEachKey
boolean forEachKey(TLongProcedure procedure)
Executes procedure for each key in the map.- 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
boolean forEachValue(TShortProcedure procedure)
Executes procedure for each value in the map.- 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
boolean forEachEntry(TLongShortProcedure procedure)
Executes procedure for each key/value entry in the map.- 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
void transformValues(TShortFunction function)
Transform the values in this map using function.- Parameters:
function
- aTShortFunction
value
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retainEntries
boolean retainEntries(TLongShortProcedure 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.
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increment
boolean increment(long 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.
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adjustValue
boolean adjustValue(long key, short amount)
Adjusts the primitive value mapped to key.- 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
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 initial_value is put in the map.- 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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