ru.curs.celesta.score

Class BinaryTermOp

java.lang.Object

ru.curs.celesta.score.Expr

ru.curs.celesta.score.BinaryTermOp

public final class BinaryTermOp
extends Expr

+, -, *, /.

Field Summary

Fields

Modifier and Type	Field and Description
static int	CONCAT Index for string concatenation operator.
static int	MINUS Index for subtraction operator.
static int	OVER Index for division operator.
static int	PLUS Index for addition operator.
static int	TIMES Index for multiplication operator.

Method Summary

Modifier and Type	Method and Description
void	accept(ExprVisitor visitor) Accepts a visitor during a traversal of the parse tree for solving tasks of types validation, code generation etc.
ViewColumnMeta<?>	getMeta() Returns the expression type.
List<Expr>	getOperands() Returns the operands.
int	getOperator() Returns the operator.

Methods inherited from class ru.curs.celesta.score.Expr

getCSQL, getSQL, resolveFieldRefs

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PLUS

public static final int PLUS

Index for addition operator.

See Also:

Constant Field Values

MINUS

public static final int MINUS

Index for subtraction operator.

See Also:

Constant Field Values

TIMES

public static final int TIMES

Index for multiplication operator.

See Also:

Constant Field Values

OVER

public static final int OVER

Index for division operator.

See Also:

Constant Field Values

CONCAT

public static final int CONCAT

Index for string concatenation operator.

See Also:

Constant Field Values

Method Detail

getOperator

public int getOperator()

Returns the operator.

getOperands

public List<Expr> getOperands()

Returns the operands.

getMeta

public ViewColumnMeta<?> getMeta()

Description copied from class: Expr

Returns the expression type.

Specified by:

getMeta in class Expr

Returns:

accept

public void accept(ExprVisitor visitor)
            throws ParseException

Description copied from class: Expr

Accepts a visitor during a traversal of the parse tree for solving tasks of types validation, code generation etc.

Parameters:

visitor - universal visitor element performing tasks with the parse tree.

Throws:

ParseException - semantic error during the tree traversal