sirius.tagliatelle.expression

Class OrOperation

java.lang.Object

sirius.tagliatelle.expression.BooleanOperation

sirius.tagliatelle.expression.OrOperation

All Implemented Interfaces:

Expression

public class OrOperation
extends BooleanOperation

Represents a boolean or.

Field Summary

Fields inherited from class sirius.tagliatelle.expression.BooleanOperation

leftExpression, rightExpression

Constructor Summary

Constructors

Constructor and Description
OrOperation(Expression leftExpression, Expression rightExpression) Creates a new or operation for the given operands.

Method Summary

Modifier and Type	Method and Description
Expression	copy() Creates a deep copy of the expression which can be modified without affecting the original expression.
Object	eval(LocalRenderContext ctx) Evaluates the expression into an object using the given context.
boolean	isConstant() Determines if the expression is constant.
Expression	reduce() Reduces and optimizes the expression if possible.
String	toString()

Methods inherited from class sirius.tagliatelle.expression.BooleanOperation

eval, getType, propagateVisitor

Methods inherited from class java.lang.Object

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

Constructor Detail

OrOperation

public OrOperation(Expression leftExpression,
                   Expression rightExpression)

Creates a new or operation for the given operands.

Parameters:

leftExpression - the left operand

rightExpression - the right operand

Method Detail

reduce

public Expression reduce()

Description copied from interface: Expression

Reduces and optimizes the expression if possible.

Specified by:

reduce in interface Expression

Overrides:

reduce in class BooleanOperation

Returns:

either the node itself or an optimized / reduced version if possible

isConstant

public boolean isConstant()

Description copied from interface: Expression

Determines if the expression is constant.

Returns:

true if the expression is constant, false otherwise

copy

public Expression copy()

Description copied from interface: Expression

Creates a deep copy of the expression which can be modified without affecting the original expression.

Returns:

a deep copy of the expression

eval

public Object eval(LocalRenderContext ctx)

Description copied from interface: Expression

Evaluates the expression into an object using the given context.

Parameters:

ctx - the current rendering context

Returns:

the result of the evaluation

toString

public String toString()

Overrides:

toString in class Object