com.solacesystems.common.util.expression

Interface ExpressionArgument

All Known Implementing Classes:

AndOperator, BooleanExpressionArgument, Expression, NotOperator, OrOperator

public interface ExpressionArgument

Interface for operands and operators that appear in the expression stack.

See Also:

Expression

Method Summary

Methods

Modifier and Type	Method and Description
ExpressionArgument	evaluate(Expression expression, Object input) This method is called when an argument in the expression stack is evaluated.

Method Detail

evaluate

ExpressionArgument evaluate(Expression expression,
                          Object input)

This method is called when an argument in the expression stack is evaluated. The method Expression#evaluate(Object input) is used to evaluate the entire stack.

Parameters:

expression - The expression stack the argument is in.

input - The input argument to the expression stack.

Returns:

The resultant value to push back on the stack.

See Also:

Expression