org.tentackle.wurblet

Class WurbletParameterExpression

java.lang.Object

org.tentackle.wurblet.WurbletParameterExpression

All Implemented Interfaces:

WurbletParameterOperand

public class WurbletParameterExpression
extends Object
implements WurbletParameterOperand

An expression within a WurbletParameter.

Author:

harald

Constructor Summary

Constructors

Constructor and Description
WurbletParameterExpression(WurbletParameterExpression parent) Creates a new expression.

Method Summary

Modifier and Type	Method and Description
void	addOperand(WurbletParameterOperator operator, WurbletParameterOperand operand) Adds an operand.
List<WurbletParameterOperand>	getOperands() Gets the n operands.
List<WurbletParameterOperator>	getOperators() Gets the n-1 operators.
WurbletParameterExpression	getParent() Gets the parent expression.
boolean	needParenthesesAfterAndOperator() Returns whether expression must be enclosed in parentheses after an AND operator.
String	toCode(CodeGenerator<Object> generator) Generates the code.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

WurbletParameterExpression

public WurbletParameterExpression(WurbletParameterExpression parent)

Creates a new expression.

Parameters:

parent - optional parent expression, null if this is the top level expression

Method Detail

getParent

public WurbletParameterExpression getParent()

Gets the parent expression.

Returns:

the parent, null if top level

getOperands

public List<WurbletParameterOperand> getOperands()

Gets the n operands.

Returns:

the operands

getOperators

public List<WurbletParameterOperator> getOperators()

Gets the n-1 operators.

Returns:

the operators

addOperand

public void addOperand(WurbletParameterOperator operator,
                       WurbletParameterOperand operand)
                throws org.wurbelizer.wurbel.WurbelException

Adds an operand.

Parameters:

operator - the operator, null defaults to ADD

operand - the operand

Throws:

org.wurbelizer.wurbel.WurbelException - if failed

needParenthesesAfterAndOperator

public boolean needParenthesesAfterAndOperator()

Returns whether expression must be enclosed in parentheses after an AND operator.

Returns:

true need parentheses

toCode

public String toCode(CodeGenerator<Object> generator)
              throws org.wurbelizer.wurbel.WurbelException

Generates the code.

Parameters:

generator - the code generator

Returns:

the generated code

Throws:

org.wurbelizer.wurbel.WurbelException - if code generation failed

toString

public String toString()

Overrides:

toString in class Object