net.sourceforge.nrl.parser.ast.constraints
Interface IBinaryOperatorStatement

All Superinterfaces:

IConstraint, INRLAstNode

public interface IBinaryOperatorStatement
extends IConstraint

A binary operator statement is either an and, or, iff or implies statement. The interface provides methods for determining which operator applies, and for manipulating the two children.

Nested Class Summary

static class

IBinaryOperatorStatement.Operator Available operators.

Field Summary

Fields inherited from interface net.sourceforge.nrl.parser.ast.INRLAstNode

NEWLINE

Method Summary

IConstraint	getLeft() Return the left parameter.
IBinaryOperatorStatement.Operator	getOperator() Return the constant indicating which operator applies.
IConstraint	getRight() Return the right parameter.

Methods inherited from interface net.sourceforge.nrl.parser.ast.constraints.IConstraint

getNRLDataType, setNRLDataType

Methods inherited from interface net.sourceforge.nrl.parser.ast.INRLAstNode

accept, dump, getColumn, getLine, getUserData, setUserData

Method Detail

getLeft

IConstraint getLeft()

Return the left parameter. Never returns null.

Returns:

the left parameter

getRight

IConstraint getRight()

Return the right parameter. Never returns null.

Returns:

the right parameter

getOperator

IBinaryOperatorStatement.Operator getOperator()

Return the constant indicating which operator applies. The constant is one of the enumeration values defined in this interface.

Returns:

the operator constant