ComparatorHashableMultiKeyCollating (Esper Common API Documentation)

java.lang.Object

com.espertech.esper.common.internal.util.ComparatorHashableMultiKeyCollating

All Implemented Interfaces:: Serializable, Comparator<HashableMultiKey>

public final class ComparatorHashableMultiKeyCollating extends Object implements Comparator<HashableMultiKey>, Serializable

A comparator on multikeys with string values and using the Collator for comparing. The multikeys must contain the same number of values.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor

Description

ComparatorHashableMultiKeyCollating(boolean[] isDescendingValues, boolean[] stringTypeValues)

Ctor.
Method Summary

Modifier and Type

Method

Description

final int

compare(HashableMultiKey firstValues, HashableMultiKey secondValues)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator
equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Details
- ComparatorHashableMultiKeyCollating
  
  public ComparatorHashableMultiKeyCollating(boolean[] isDescendingValues, boolean[] stringTypeValues)
  
  Ctor.
  
  Parameters:
  
  isDescendingValues - - each value is true if the corresponding (same index) entry in the multi-keys is to be sorted in descending order. The multikeys to be compared must have the same number of values as this array.
  
  stringTypeValues - true for each string-typed column
Method Details
- compare
  
  public final int compare(HashableMultiKey firstValues, HashableMultiKey secondValues)
  
  Specified by:
  
  compare in interface Comparator<HashableMultiKey>