com.prosyst.mbs.services.datamapper
Interface ExpressionEvaluator

public interface ExpressionEvaluator

ExpressionEvaluator.java is responsible for create and evaluate expressions.

Author:

Niki Dimitrov

Method Summary

Expression	createExpression(java.lang.String expression, java.util.Dictionary arguments, java.util.Vector variableNames) Create expression
java.lang.Object	evaluate(Expression expression, java.util.Dictionary variables, int valueType, java.lang.Object[] params) Evaluate expression
boolean	matchCondition(Expression condition, java.util.Dictionary variables) Match condition.

Method Detail

createExpression

Expression createExpression(java.lang.String expression,
                            java.util.Dictionary arguments,
                            java.util.Vector variableNames)
                            throws java.lang.Exception

Create expression

Parameters:

expression -

arguments -

variableNames -

Returns:

Throws:

java.lang.Exception

evaluate

java.lang.Object evaluate(Expression expression,
                          java.util.Dictionary variables,
                          int valueType,
                          java.lang.Object[] params)
                          throws java.lang.Exception

Evaluate expression

Parameters:

expression -

variables -

valueType -

params -

Returns:

Throws:

java.lang.Exception

matchCondition

boolean matchCondition(Expression condition,
                       java.util.Dictionary variables)
                       throws java.lang.Exception

Match condition. Return true if the result of the given condition expression is true

Parameters:

condition -

variables -

Returns:

Throws:

java.lang.Exception