Package gnu.trove.map
Interface TDoubleFloatMap
- All Known Implementing Classes:
TDoubleFloatHashMap,TSynchronizedDoubleFloatMap,TUnmodifiableDoubleFloatMap
public interface TDoubleFloatMap
Interface for a primitive map of double keys and float values.
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Method Summary
Modifier and TypeMethodDescriptionfloatadjustOrPutValue(double key, float adjust_amount, float put_amount) Adjusts the primitive value mapped to the key if the key is present in the map.booleanadjustValue(double key, float amount) Adjusts the primitive value mapped to key.voidclear()Empties the map.booleancontainsKey(double key) Checks for the present of key in the keys of the map.booleancontainsValue(float val) Checks for the presence of val in the values of the map.booleanforEachEntry(TDoubleFloatProcedure procedure) Executes procedure for each key/value entry in the map.booleanforEachKey(TDoubleProcedure procedure) Executes procedure for each key in the map.booleanforEachValue(TFloatProcedure procedure) Executes procedure for each value in the map.floatget(double key) Retrieves the value for key.doubleReturns the value that will be returned fromget(double)orput(double, float)if no entry exists for a given key.floatReturns the value that will be returned fromget(double)orput(double, float)if no entry exists for a given key.booleanincrement(double key) Increments the primitive value mapped to key by 1booleanisEmpty()Returns true if this map contains no key-value mappings.iterator()double[]keys()Returns the keys of the map as an array of double values.double[]keys(double[] array) Returns the keys of the map.keySet()Returns the keys of the map as a TDoubleSetfloatput(double key, float value) Inserts a key/value pair into the map.voidputAll(TDoubleFloatMap map) Put all the entries from the given map into this map.voidPut all the entries from the given Map into this map.floatputIfAbsent(double key, float value) Inserts a key/value pair into the map if the specified key is not already associated with a value.floatremove(double key) Deletes a key/value pair from the map.booleanretainEntries(TDoubleFloatProcedure procedure) Retains only those entries in the map for which the procedure returns a true value.intsize()Returns an int value that is the number of elements in the map.voidtransformValues(TFloatFunction function) Transform the values in this map using function.Returns the values of the map as a TFloatCollectionfloat[]values()Returns the values of the map as an array of #e# values.float[]values(float[] array) Returns the values of the map using an existing array.
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Method Details
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getNoEntryKey
double getNoEntryKey()Returns the value that will be returned fromget(double)orput(double, float)if no entry exists for a given key. The default value is generally zero, but can be configured during construction of the collection.- Returns:
- the value that represents a null key in this collection.
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getNoEntryValue
float getNoEntryValue()Returns the value that will be returned fromget(double)orput(double, float)if no entry exists for a given key. The default value is generally zero, but can be configured during construction of the collection.- Returns:
- the value that represents a null value in this collection.
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put
float put(double key, float value) Inserts a key/value pair into the map.- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
getNoEntryValue()).
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putIfAbsent
float putIfAbsent(double key, float value) Inserts a key/value pair into the map if the specified key is not already associated with a value.- Returns:
- the previous value associated with key, or the "no entry" value
if none was found (see
getNoEntryValue()).
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putAll
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
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
float get(double key) Retrieves the value for key.- 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. -
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
float remove(double key) Deletes a key/value pair from the map.- Parameters:
key- andoublevalue- 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
TDoubleSet keySet()Returns the keys of the map as a TDoubleSet- Returns:
- the keys of the map as a TDoubleSet
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keys
double[] keys()Returns the keys of the map as an array of double values.- Returns:
- the keys of the map as an array of double values.
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keys
double[] keys(double[] 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
TFloatCollection valueCollection()Returns the values of the map as a TFloatCollection- Returns:
- the values of the map as a TFloatCollection
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values
float[] 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
float[] values(float[] 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(float val) Checks for the presence of val in the values of the map. -
containsKey
boolean containsKey(double key) Checks for the present of key in the keys of the map. -
iterator
TDoubleFloatIterator iterator()- Returns:
- a TDoubleFloatIterator with access to this map's keys and values
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forEachKey
Executes procedure for each key in the map.- Parameters:
procedure- aTDoubleProcedurevalue- 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.- Parameters:
procedure- aT#F#Procedurevalue- 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.- Parameters:
procedure- aTODoubleFloatProcedurevalue- 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.- Parameters:
function- aTFloatFunctionvalue
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retainEntries
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(double 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(double key, float 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
float adjustOrPutValue(double key, float adjust_amount, float 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.- 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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