Class RelationalOperator

java.lang.Object
org.apache.commons.el.BinaryOperator
org.apache.commons.el.RelationalOperator
Direct Known Subclasses:
GreaterThanOperator, GreaterThanOrEqualsOperator, LessThanOperator, LessThanOrEqualsOperator

public abstract class RelationalOperator extends BinaryOperator

This is the superclass for all relational operators (except == or !=)

Version:
$Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: luehe $
Author:
Nathan Abramson - Art Technology Group
  • Constructor Details

    • RelationalOperator

      public RelationalOperator()
  • Method Details

    • apply

      public Object apply(Object pLeft, Object pRight, Logger pLogger) throws javax.servlet.jsp.el.ELException
      Applies the operator to the given value
      Specified by:
      apply in class BinaryOperator
      Throws:
      javax.servlet.jsp.el.ELException
    • apply

      public abstract boolean apply(double pLeft, double pRight)
      Applies the operator to the given double values
    • apply

      public abstract boolean apply(long pLeft, long pRight)
      Applies the operator to the given long values
    • apply

      public abstract boolean apply(String pLeft, String pRight)
      Applies the operator to the given String values
    • apply

      public abstract boolean apply(BigDecimal pLeft, BigDecimal pRight)
      Applies the operator to the given BigDecimal values, returning a BigDecimal
    • apply

      public abstract boolean apply(BigInteger pLeft, BigInteger pRight)
      Applies the operator to the given BigDecimal values, returning a BigDecimal
    • isLess

      protected boolean isLess(int val)
      Test return value of BigInteger/BigDecimal A.compareTo(B).
      Parameters:
      val - - result of BigInteger/BigDecimal compareTo() call
      Returns:
      - true if result is less than 0, otherwise false
    • isEqual

      protected boolean isEqual(int val)
      Test return value of BigInteger/BigDecimal A.compareTo(B).
      Parameters:
      val - - result of BigInteger/BigDecimal compareTo() call
      Returns:
      - true if result is equal to 0, otherwise false
    • isGreater

      protected boolean isGreater(int val)
      Test return value of BigInteger/BigDecimal A.compareTo(B).
      Parameters:
      val - - result of BigInteger/BigDecimal compareTo() call
      Returns:
      - true if result is greater than 0, otherwise false