Package com.espertech.esper.common.internal.collection

Class MultiKeyArrayOfKeys<T>

java.lang.Object
com.espertech.esper.common.internal.collection.MultiKeyArrayOfKeys<T>
public final class MultiKeyArrayOfKeys<T> extends Object
Functions as a key value for Maps where keys need to be composite values. The class allows a Map that uses HashableMultiKey entries for key values to use multiple objects as keys. It calculates the hashCode from the key objects on construction and caches the hashCode.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final EPTypeClass
    EPTYPE
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    MultiKeyArrayOfKeys(T[] keys)
    Constructor for multiple keys supplied in an object array.

  • Method Summary

    Modifier and Type
    Method
    Description
    final boolean
    equals(Object other)
     
    final T
    get(int index)
    Returns the key object at the specified position.
    final T[]
    getArray()
    Returns the key value array.
    final int
    hashCode()
     
    final int
    size()
    Returns the number of key objects.
    final String
    toString()
     

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

  • Field Details

  • Constructor Details

    • MultiKeyArrayOfKeys

      public MultiKeyArrayOfKeys(T[] keys)
      Constructor for multiple keys supplied in an object array.
      Parameters:
      keys - is an array of key objects

  • Method Details

    • size

      public final int size()
      Returns the number of key objects.
      Returns:
      size of key object array

    • get

      public final T get(int index)
      Returns the key object at the specified position.
      Parameters:
      index - is the array position
      Returns:
      key object at position

    • equals

      public final boolean equals(Object other)
      Overrides:
      equals in class Object

    • hashCode

      public final int hashCode()
      Overrides:
      hashCode in class Object

    • toString

      public final String toString()
      Overrides:
      toString in class Object

    • getArray

      public final T[] getArray()
      Returns the key value array.
      Returns:
      key value array