Class ComparisonKey

java.lang.Object
net.sf.saxon.sort.ComparisonKey

public class ComparisonKey extends Object
An object used as a comparison key. Two XPath atomic values are equal under the "eq" operator if and only if their comparison keys are equal under the Java equals() method.
  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    (package private) int
     
    (package private) Object
     
  • Constructor Summary

    Constructors
    Constructor
    Description
    ComparisonKey(int category, Object value)
    Create a comparison key for a value in a particular category.
  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    equals(Object other)
    Test if two comparison keys are equal
    int
    Get a hashcode for a comparison key.

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
  • Field Details

    • category

      int category
    • value

      Object value
  • Constructor Details

    • ComparisonKey

      public ComparisonKey(int category, Object value)
      Create a comparison key for a value in a particular category. The "category" here represents a set of primitive types that allow mutual comparison (so all numeric values are in the same category).
      Parameters:
      category - the category
      value - the value within the category
  • Method Details

    • equals

      public boolean equals(Object other)
      Test if two comparison keys are equal
      Overrides:
      equals in class Object
      Parameters:
      other - the other comparison key
      Returns:
      true if they are equal
      Throws:
      ClassCastException - if the other object is not a ComparisonKey
    • hashCode

      public int hashCode()
      Get a hashcode for a comparison key. If two comparison keys are equal, they must have the same hash code.
      Overrides:
      hashCode in class Object
      Returns:
      the hash code.