org.eclipse.birt.report.model.api.simpleapi
Interface IExpression

public interface IExpression

Method Summary

java.lang.Object	getExpression() Return the raw expression if the type is not constant.
java.lang.String	getType() Return the type of the expression.
IExpressionType	getTypes() Returns the object represents all possible expression types.
void	setExpression(java.lang.Object expr) Sets the raw expression if the type is not constant.
void	setType(java.lang.String type) Sets the type of the expression.

Method Detail

getExpression

java.lang.Object getExpression()

Return the raw expression if the type is not constant. If the type is constant, get the value.

Returns:

the raw expression or the value

setExpression

void setExpression(java.lang.Object expr)
                   throws SemanticException

Sets the raw expression if the type is not constant. If the type is constant, sets the value.

Parameters:

expr - the raw expression or the value

Throws:

SemanticException

getType

java.lang.String getType()

Return the type of the expression.

Returns:

the expression type

setType

void setType(java.lang.String type)
             throws SemanticException

Sets the type of the expression.

Parameters:

type - the expression type.

Throws:

SemanticException

getTypes

IExpressionType getTypes()

Returns the object represents all possible expression types.

Returns:

the expression type object