Modul speiger.src.collections
Package speiger.src.collections.ints.maps.impl.hash

Klasse Int2DoubleOpenHashMap

java.lang.Object
java.util.AbstractMap<Integer,Double>
speiger.src.collections.ints.maps.abstracts.AbstractInt2DoubleMap
speiger.src.collections.ints.maps.impl.hash.Int2DoubleOpenHashMap
Alle implementierten Schnittstellen:
IntToDoubleFunction, Map<Integer,Double>, Int2DoubleFunction, Int2DoubleMap, ITrimmable
Bekannte direkte Unterklassen:
Int2DoubleLinkedOpenHashMap
public class Int2DoubleOpenHashMap extends AbstractInt2DoubleMap implements ITrimmable
A Type Specific Custom implementation of the HashMap Instead of using Wrapper Object Arrays for storing keys and values there is dedicated arrays for storing keys and values. Extra to that there is a couple quality of life functions provided

  • Konstruktordetails

    • Int2DoubleOpenHashMap

      public Int2DoubleOpenHashMap()
      Default Constructor

    • Int2DoubleOpenHashMap

      public Int2DoubleOpenHashMap(int minCapacity)
      Constructor that defines the minimum capacity
      Parameter:
      minCapacity - the minimum capacity the HashMap is allowed to be.
      Löst aus:
      IllegalStateException - if the minimum capacity is negative

    • Int2DoubleOpenHashMap

      public Int2DoubleOpenHashMap(int minCapacity, float loadFactor)
      Constructor that defines the minimum capacity and load factor
      Parameter:
      minCapacity - the minimum capacity the HashMap is allowed to be.
      loadFactor - the percentage of how full the backing array can be before they resize
      Löst aus:
      IllegalStateException - if the minimum capacity is negative
      IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1

    • Int2DoubleOpenHashMap

      public Int2DoubleOpenHashMap(Integer[] keys, Double[] values)
      Helper constructor that allow to create a map from boxed values (it will unbox them)
      Parameter:
      keys - the keys that should be put into the map
      values - the values that should be put into the map.
      Löst aus:
      IllegalStateException - if the keys and values do not match in lenght

    • Int2DoubleOpenHashMap

      public Int2DoubleOpenHashMap(Integer[] keys, Double[] values, float loadFactor)
      Helper constructor that allow to create a map from boxed values (it will unbox them)
      Parameter:
      keys - the keys that should be put into the map
      values - the values that should be put into the map.
      loadFactor - the percentage of how full the backing array can be before they resize
      Löst aus:
      IllegalStateException - if the keys and values do not match in lenght
      IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1

    • Int2DoubleOpenHashMap

      public Int2DoubleOpenHashMap(int[] keys, double[] values)
      Helper constructor that allow to create a map from unboxed values
      Parameter:
      keys - the keys that should be put into the map
      values - the values that should be put into the map.
      Löst aus:
      IllegalStateException - if the keys and values do not match in lenght

    • Int2DoubleOpenHashMap

      public Int2DoubleOpenHashMap(int[] keys, double[] values, float loadFactor)
      Helper constructor that allow to create a map from unboxed values
      Parameter:
      keys - the keys that should be put into the map
      values - the values that should be put into the map.
      loadFactor - the percentage of how full the backing array can be before they resize
      Löst aus:
      IllegalStateException - if the keys and values do not match in lenght
      IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1

    • Int2DoubleOpenHashMap

      public Int2DoubleOpenHashMap(Map<? extends Integer,? extends Double> map)
      A Helper constructor that allows to create a Map with exactly the same values as the provided map.
      Parameter:
      map - the values that should be present in the map

    • Int2DoubleOpenHashMap

      public Int2DoubleOpenHashMap(Map<? extends Integer,? extends Double> map, float loadFactor)
      A Helper constructor that allows to create a Map with exactly the same values as the provided map.
      Parameter:
      map - the values that should be present in the map
      loadFactor - the percentage of how full the backing array can be before they resize
      Löst aus:
      IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1

    • Int2DoubleOpenHashMap

      public Int2DoubleOpenHashMap(Int2DoubleMap map)
      A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.
      Parameter:
      map - the values that should be present in the map

    • Int2DoubleOpenHashMap

      public Int2DoubleOpenHashMap(Int2DoubleMap map, float loadFactor)
      A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.
      Parameter:
      map - the values that should be present in the map
      loadFactor - the percentage of how full the backing array can be before they resize
      Löst aus:
      IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1

  • Methodendetails

    • put

      public double put(int key, double value)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      Type Specific method to reduce boxing/unboxing of values
      Angegeben von:
      put in Schnittstelle Int2DoubleMap
      Parameter:
      key - the key that should be inserted,
      value - the value that should be inserted
      Gibt zurück:
      the last present value or default return value.
      Siehe auch:

    • putIfAbsent

      public double putIfAbsent(int key, double value)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      Type Specific method to reduce boxing/unboxing of values
      Angegeben von:
      putIfAbsent in Schnittstelle Int2DoubleMap
      Parameter:
      key - the key that should be inserted,
      value - the value that should be inserted
      Gibt zurück:
      the last present value or default return value.
      Siehe auch:

    • addTo

      public double addTo(int key, double value)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Helper method to add a primitives together. If key is not present then this functions as a put.
      Angegeben von:
      addTo in Schnittstelle Int2DoubleMap
      Parameter:
      key - the key that should be inserted,
      value - the value that should be inserted / added
      Gibt zurück:
      the last present value or default return value.

    • subFrom

      public double subFrom(int key, double value)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Helper method to subtract from primitive from each other. If the key is not present it will just return the defaultValue How the implementation works is that it will subtract from the current value (if not present it will do nothing) and fence it to the Int2DoubleMap.getDefaultReturnValue() If the fence is reached the element will be automaticall removed
      Angegeben von:
      subFrom in Schnittstelle Int2DoubleMap
      Parameter:
      key - that should be subtract from
      value - that should be subtract
      Gibt zurück:
      the last present or default return value

    • containsKey

      public boolean containsKey(int key)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      Type Specific method to reduce boxing/unboxing of values
      Angegeben von:
      containsKey in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      containsKey in Klasse AbstractInt2DoubleMap
      Parameter:
      key - element that is searched for
      Gibt zurück:
      if the key is present

    • containsKey

      @Deprecated public boolean containsKey(Object key)
      Veraltet.
      Angegeben von:
      containsKey in Schnittstelle Int2DoubleMap
      Angegeben von:
      containsKey in Schnittstelle Map<Integer,Double>
      Setzt außer Kraft:
      containsKey in Klasse AbstractMap<Integer,Double>
      Parameter:
      key - that is searched for.
      Gibt zurück:
      true if found
      Siehe auch:

    • containsValue

      public boolean containsValue(double value)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      Type Specific method to reduce boxing/unboxing of values
      Angegeben von:
      containsValue in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      containsValue in Klasse AbstractInt2DoubleMap
      Parameter:
      value - element that is searched for
      Gibt zurück:
      if the value is present

    • containsValue

      @Deprecated public boolean containsValue(Object value)
      Veraltet.
      Angegeben von:
      containsValue in Schnittstelle Int2DoubleMap
      Angegeben von:
      containsValue in Schnittstelle Map<Integer,Double>
      Setzt außer Kraft:
      containsValue in Klasse AbstractMap<Integer,Double>
      Parameter:
      value - that is searched for.
      Gibt zurück:
      true if found
      Siehe auch:

    • remove

      public double remove(int key)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      Type Specific remove function to reduce boxing/unboxing
      Angegeben von:
      remove in Schnittstelle Int2DoubleMap
      Parameter:
      key - the element that should be removed
      Gibt zurück:
      the value that was removed or default return value

    • removeOrDefault

      public double removeOrDefault(int key, double defaultValue)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      Type-Specific Remove function with a default return value if wanted.
      Angegeben von:
      removeOrDefault in Schnittstelle Int2DoubleMap
      Parameter:
      key - the element that should be removed
      defaultValue - the value that should be returned if the entry doesn't exist
      Gibt zurück:
      the value that was removed or default value
      Siehe auch:

    • remove

      public Double remove(Object key)
      Angegeben von:
      remove in Schnittstelle Int2DoubleMap
      Angegeben von:
      remove in Schnittstelle Map<Integer,Double>
      Setzt außer Kraft:
      remove in Klasse AbstractInt2DoubleMap
      Parameter:
      key - the element that should be removed
      Gibt zurück:
      the value that was removed or default return value
      Siehe auch:

    • remove

      public boolean remove(int key, double value)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      Type Specific remove function to reduce boxing/unboxing
      Angegeben von:
      remove in Schnittstelle Int2DoubleMap
      Parameter:
      key - the element that should be removed
      value - the expected value that should be found
      Gibt zurück:
      true if the key and value was found and removed
      Siehe auch:

    • remove

      public boolean remove(Object key, Object value)
      Angegeben von:
      remove in Schnittstelle Int2DoubleMap
      Angegeben von:
      remove in Schnittstelle Map<Integer,Double>
      Parameter:
      key - the element that should be removed
      value - the expected value that should be found
      Gibt zurück:
      true if the key and value was found and removed
      Siehe auch:

    • get

      public double get(int key)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Type Specific get method to reduce boxing/unboxing
      Angegeben von:
      get in Schnittstelle Int2DoubleMap
      Parameter:
      key - the key that is searched for
      Gibt zurück:
      the searched value or default return value

    • get

      public Double get(Object key)
      Angegeben von:
      get in Schnittstelle Int2DoubleMap
      Angegeben von:
      get in Schnittstelle Map<Integer,Double>
      Setzt außer Kraft:
      get in Klasse AbstractInt2DoubleMap

    • getOrDefault

      public double getOrDefault(int key, double defaultValue)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Type Specific getOrDefault method to reduce boxing/unboxing
      Angegeben von:
      getOrDefault in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      getOrDefault in Klasse AbstractInt2DoubleMap
      Parameter:
      key - the key that is searched for
      defaultValue - the value that should be returned if the key is not present
      Gibt zurück:
      the searched value or defaultValue value

    • copy

      public Int2DoubleOpenHashMap copy()
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Function that does a shallow clone of the Map itself. This function is more optimized then a copy constructor since the Map does not have to be unsorted/resorted. It can be compared to Cloneable but with less exception risk
      Angegeben von:
      copy in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      copy in Klasse AbstractInt2DoubleMap
      Gibt zurück:
      a Shallow Copy of the Map

    • int2DoubleEntrySet

      public ObjectSet<Int2DoubleMap.Entry> int2DoubleEntrySet()
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      Type Sensitive EntrySet to reduce boxing/unboxing and optionally Temp Object Allocation.
      Angegeben von:
      int2DoubleEntrySet in Schnittstelle Int2DoubleMap
      Gibt zurück:
      a EntrySet of the collection

    • keySet

      public IntSet keySet()
      Angegeben von:
      keySet in Schnittstelle Int2DoubleMap
      Angegeben von:
      keySet in Schnittstelle Map<Integer,Double>
      Setzt außer Kraft:
      keySet in Klasse AbstractInt2DoubleMap

    • values

      public DoubleCollection values()
      Angegeben von:
      values in Schnittstelle Int2DoubleMap
      Angegeben von:
      values in Schnittstelle Map<Integer,Double>
      Setzt außer Kraft:
      values in Klasse AbstractInt2DoubleMap

    • forEach

      public void forEach(IntDoubleConsumer action)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      Type Specific forEach method to reduce boxing/unboxing
      Angegeben von:
      forEach in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      forEach in Klasse AbstractInt2DoubleMap
      Parameter:
      action - processor of the values that are iterator over

    • replace

      public boolean replace(int key, double oldValue, double newValue)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Type Specific replace method to replace an existing value
      Angegeben von:
      replace in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      replace in Klasse AbstractInt2DoubleMap
      Parameter:
      key - the element that should be searched for
      oldValue - the expected value to be replaced
      newValue - the value to replace the oldValue with.
      Gibt zurück:
      true if the value got replaced

    • replace

      public double replace(int key, double value)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Type Specific replace method to reduce boxing/unboxing replace an existing value
      Angegeben von:
      replace in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      replace in Klasse AbstractInt2DoubleMap
      Parameter:
      key - the element that should be searched for
      value - the value to replace with.
      Gibt zurück:
      the present value or default return value

    • computeDouble

      public double computeDouble(int key, IntDoubleUnaryOperator mappingFunction)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Type Specific compute method to reduce boxing/unboxing If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null". A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
      Angegeben von:
      computeDouble in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      computeDouble in Klasse AbstractInt2DoubleMap
      Parameter:
      key - the key that should be computed
      mappingFunction - the operator that should generate the value
      Gibt zurück:
      the result of the computation

    • computeDoubleIfAbsent

      public double computeDoubleIfAbsent(int key, Int2DoubleFunction mappingFunction)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Type Specific computeIfAbsent method to reduce boxing/unboxing If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null". A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
      Angegeben von:
      computeDoubleIfAbsent in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      computeDoubleIfAbsent in Klasse AbstractInt2DoubleMap
      Parameter:
      key - the key that should be computed
      mappingFunction - the operator that should generate the value if not present
      Gibt zurück:
      the result of the computed value or present value

    • supplyDoubleIfAbsent

      public double supplyDoubleIfAbsent(int key, DoubleSupplier valueProvider)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Supplier based computeIfAbsent function to fill the most used usecase of this function If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null". A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
      Angegeben von:
      supplyDoubleIfAbsent in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      supplyDoubleIfAbsent in Klasse AbstractInt2DoubleMap
      Parameter:
      key - the key that should be computed
      valueProvider - the value if not present
      Gibt zurück:
      the result of the computed value or present value

    • computeDoubleIfPresent

      public double computeDoubleIfPresent(int key, IntDoubleUnaryOperator mappingFunction)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Type Specific compute method to reduce boxing/unboxing If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null". A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
      Angegeben von:
      computeDoubleIfPresent in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      computeDoubleIfPresent in Klasse AbstractInt2DoubleMap
      Parameter:
      key - the key that should be computed
      mappingFunction - the operator that should generate the value if present
      Gibt zurück:
      the result of the default return value or present value

    • computeDoubleNonDefault

      public double computeDoubleNonDefault(int key, IntDoubleUnaryOperator mappingFunction)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Type Specific compute method to reduce boxing/unboxing If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null". A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
      Angegeben von:
      computeDoubleNonDefault in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      computeDoubleNonDefault in Klasse AbstractInt2DoubleMap
      Parameter:
      key - the key that should be computed
      mappingFunction - the operator that should generate the value
      Gibt zurück:
      the result of the computation

    • computeDoubleIfAbsentNonDefault

      public double computeDoubleIfAbsentNonDefault(int key, Int2DoubleFunction mappingFunction)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Type Specific computeIfAbsent method to reduce boxing/unboxing If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null". A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
      Angegeben von:
      computeDoubleIfAbsentNonDefault in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      computeDoubleIfAbsentNonDefault in Klasse AbstractInt2DoubleMap
      Parameter:
      key - the key that should be computed
      mappingFunction - the operator that should generate the value if not present
      Gibt zurück:
      the result of the computed value or present value

    • supplyDoubleIfAbsentNonDefault

      public double supplyDoubleIfAbsentNonDefault(int key, DoubleSupplier valueProvider)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Supplier based computeIfAbsent function to fill the most used usecase of this function If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null". A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
      Angegeben von:
      supplyDoubleIfAbsentNonDefault in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      supplyDoubleIfAbsentNonDefault in Klasse AbstractInt2DoubleMap
      Parameter:
      key - the key that should be computed
      valueProvider - the value if not present
      Gibt zurück:
      the result of the computed value or present value

    • computeDoubleIfPresentNonDefault

      public double computeDoubleIfPresentNonDefault(int key, IntDoubleUnaryOperator mappingFunction)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Type Specific compute method to reduce boxing/unboxing If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null". A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
      Angegeben von:
      computeDoubleIfPresentNonDefault in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      computeDoubleIfPresentNonDefault in Klasse AbstractInt2DoubleMap
      Parameter:
      key - the key that should be computed
      mappingFunction - the operator that should generate the value if present
      Gibt zurück:
      the result of the default return value or present value

    • mergeDouble

      public double mergeDouble(int key, double value, DoubleDoubleUnaryOperator mappingFunction)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Type Specific merge method to reduce boxing/unboxing If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null". A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
      Angegeben von:
      mergeDouble in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      mergeDouble in Klasse AbstractInt2DoubleMap
      Parameter:
      key - the key that should be be searched for
      value - the value that should be merged with
      mappingFunction - the operator that should generate the new Value
      Gibt zurück:
      the result of the merge

    • mergeAllDouble

      public void mergeAllDouble(Int2DoubleMap m, DoubleDoubleUnaryOperator mappingFunction)
      Beschreibung aus Schnittstelle kopiert: Int2DoubleMap
      A Bulk method for merging Maps. If the generated value equals the getDefaultReturnValue it will simply not insert it since that is treated as "null". A "Null Value" will be treated as "Do not insert/remove" based on how the Java has specified it.
      Angegeben von:
      mergeAllDouble in Schnittstelle Int2DoubleMap
      Setzt außer Kraft:
      mergeAllDouble in Klasse AbstractInt2DoubleMap
      Parameter:
      m - the entries that should be bulk added
      mappingFunction - the operator that should generate the new Value

    • size

      public int size()
      Angegeben von:
      size in Schnittstelle Map<Integer,Double>
      Setzt außer Kraft:
      size in Klasse AbstractMap<Integer,Double>

    • clear

      public void clear()
      Angegeben von:
      clear in Schnittstelle Map<Integer,Double>
      Setzt außer Kraft:
      clear in Klasse AbstractMap<Integer,Double>

    • trim

      public boolean trim(int size)
      Beschreibung aus Schnittstelle kopiert: ITrimmable
      Trims the original collection down to the size of the current elements or the requested size depending which is bigger
      Angegeben von:
      trim in Schnittstelle ITrimmable
      Parameter:
      size - the requested trim size.
      Gibt zurück:
      if the internal array has been trimmed.

    • clearAndTrim

      public void clearAndTrim(int size)
      Beschreibung aus Schnittstelle kopiert: ITrimmable
      Trims the collection down to the requested size and clears all elements while doing so
      Angegeben von:
      clearAndTrim in Schnittstelle ITrimmable
      Parameter:
      size - the amount of elements that should be allowed