Package net.sf.saxon.sort

Class ComparisonKey

  • public class ComparisonKey
extends java.lang.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 category  
      (package private) java.lang.Object value  

    • Constructor Summary

      Constructors 
      Constructor Description
      ComparisonKey​(int category, java.lang.Object value)
      Create a comparison key for a value in a particular category.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean equals​(java.lang.Object other)
      Test if two comparison keys are equal
      int hashCode()
      Get a hashcode for a comparison key.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • category

        int category

      • value

        java.lang.Object value

    • Constructor Detail

      • ComparisonKey

        public ComparisonKey​(int category,
                     java.lang.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 Detail

      • equals

        public boolean equals​(java.lang.Object other)
        Test if two comparison keys are equal
        Overrides:
        equals in class java.lang.Object
        Parameters:
        other - the other comparison key
        Returns:
        true if they are equal
        Throws:
        java.lang.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 java.lang.Object
        Returns:
        the hash code.