Package gnu.trove.map

Interface TIntFloatMap

All Known Implementing Classes:
TIntFloatHashMap, TSynchronizedIntFloatMap, TUnmodifiableIntFloatMap
public interface TIntFloatMap
Interface for a primitive map of int keys and float values.

  • Method Summary

    Modifier and Type
    Method
    Description
    float
    adjustOrPutValue(int key, float adjust_amount, float put_amount)
    Adjusts the primitive value mapped to the key if the key is present in the map.
    boolean
    adjustValue(int key, float amount)
    Adjusts the primitive value mapped to key.
    void
    clear()
    Empties the map.
    boolean
    containsKey(int key)
    Checks for the present of key in the keys of the map.
    boolean
    containsValue(float val)
    Checks for the presence of val in the values of the map.
    boolean
    forEachEntry(TIntFloatProcedure procedure)
    Executes procedure for each key/value entry in the map.
    boolean
    forEachKey(TIntProcedure procedure)
    Executes procedure for each key in the map.
    boolean
    forEachValue(TFloatProcedure procedure)
    Executes procedure for each value in the map.
    float
    get(int key)
    Retrieves the value for key.
    int
    getNoEntryKey()
    Returns the value that will be returned from get(int) or put(int, float) if no entry exists for a given key.
    float
    getNoEntryValue()
    Returns the value that will be returned from get(int) or put(int, float) if no entry exists for a given key.
    boolean
    increment(int key)
    Increments the primitive value mapped to key by 1
    boolean
    isEmpty()
    Returns true if this map contains no key-value mappings.
    TIntFloatIterator
    iterator()
     
    int[]
    keys()
    Returns the keys of the map as an array of int values.
    int[]
    keys(int[] array)
    Returns the keys of the map.
    TIntSet
    keySet()
    Returns the keys of the map as a TIntSet
    float
    put(int key, float value)
    Inserts a key/value pair into the map.
    void
    putAll(TIntFloatMap map)
    Put all the entries from the given map into this map.
    void
    putAll(Map<? extends Integer,? extends Float> map)
    Put all the entries from the given Map into this map.
    float
    putIfAbsent(int key, float value)
    Inserts a key/value pair into the map if the specified key is not already associated with a value.
    float
    remove(int key)
    Deletes a key/value pair from the map.
    boolean
    retainEntries(TIntFloatProcedure 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(TFloatFunction function)
    Transform the values in this map using function.
    TFloatCollection
    valueCollection()
    Returns the values of the map as a TFloatCollection
    float[]
    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.

  • Method Details

    • getNoEntryKey

      int getNoEntryKey()
      Returns the value that will be returned from get(int) or put(int, 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.

    • getNoEntryValue

      float getNoEntryValue()
      Returns the value that will be returned from get(int) or put(int, 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.

    • put

      float put(int 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()).

    • putIfAbsent

      float putIfAbsent(int 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()).

    • putAll

      void putAll(Map<? extends Integer,? extends Float> 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.

    • putAll

      void putAll(TIntFloatMap 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.

    • get

      float get(int key)
      Retrieves the value for key.
      Returns:
      the previous value associated with key, or the "no entry" value if none was found (see getNoEntryValue()).

    • 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

    • remove

      float remove(int key)
      Deletes a key/value pair from the map.
      Parameters:
      key - an int value
      Returns:
      the previous value associated with key, or the "no entry" value if none was found (see getNoEntryValue()).

    • 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.

    • keySet

      TIntSet keySet()
      Returns the keys of the map as a TIntSet
      Returns:
      the keys of the map as a TIntSet

    • keys

      int[] keys()
      Returns the keys of the map as an array of int values.
      Returns:
      the keys of the map as an array of int values.

    • keys

      int[] keys(int[] 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.

    • valueCollection

      TFloatCollection valueCollection()
      Returns the values of the map as a TFloatCollection
      Returns:
      the values of the map as a TFloatCollection

    • 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.

    • 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.

    • containsValue

      boolean containsValue(float val)
      Checks for the presence of val in the values of the map.

    • containsKey

      boolean containsKey(int key)
      Checks for the present of key in the keys of the map.

    • iterator

      TIntFloatIterator iterator()
      Returns:
      a TIntFloatIterator with access to this map's keys and values

    • forEachKey

      boolean forEachKey(TIntProcedure procedure)
      Executes procedure for each key in the map.
      Parameters:
      procedure - a TIntProcedure value
      Returns:
      false if the loop over the keys terminated because the procedure returned false for some key.

    • forEachValue

      boolean forEachValue(TFloatProcedure procedure)
      Executes procedure for each value in the map.
      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

      boolean forEachEntry(TIntFloatProcedure procedure)
      Executes procedure for each key/value entry in the map.
      Parameters:
      procedure - a TOIntFloatProcedure value
      Returns:
      false if the loop over the entries terminated because the procedure returned false for some entry.

    • transformValues

      void transformValues(TFloatFunction function)
      Transform the values in this map using function.
      Parameters:
      function - a TFloatFunction value

    • retainEntries

      boolean retainEntries(TIntFloatProcedure 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.

    • increment

      boolean increment(int 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.

    • adjustValue

      boolean adjustValue(int key, float amount)
      Adjusts the primitive value mapped to key.
      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

      float adjustOrPutValue(int 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 increment
      adjust_amount - the amount to adjust the value by
      put_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