org.teiid.connector.language
Interface ISearchedCaseExpression

All Superinterfaces:

IExpression, ILanguageObject

public interface ISearchedCaseExpression
extends IExpression

Represents a non-searched CASE expression:
CASE WHEN criteria THEN expression ... END

Method Summary

IExpression	getElseExpression() Gets the ELSE expression, if defined.
IExpression	getThenExpression(int index) Gets the THEN expression at the specified index
int	getWhenCount() Gets the number of WHEN and THEN clauses in the CASE expression
ICriteria	getWhenCriteria(int index) Gets the WHEN criteria at the specified index
void	setElseExpression(IExpression expression) Sets the ELSE expression
void	setThenExpression(int index, IExpression expression) Sets the THEN expression at the specified index
void	setWhenCriteria(int index, ICriteria criteria) Sets the WHEN criteria at the specified index

Methods inherited from interface org.teiid.connector.language.IExpression

getType, setType

Methods inherited from interface org.teiid.connector.language.ILanguageObject

acceptVisitor

Method Detail

getWhenCount

int getWhenCount()

Gets the number of WHEN and THEN clauses in the CASE expression

Returns:

the number of WHEN ... THEN ... parts

getWhenCriteria

ICriteria getWhenCriteria(int index)

Gets the WHEN criteria at the specified index

Parameters:

index - the 0-based index

Returns:

the WHEN criteria at the index

setWhenCriteria

void setWhenCriteria(int index,
                     ICriteria criteria)

Sets the WHEN criteria at the specified index

Parameters:

index - the 0-based index

criteria - The new WHEN criteria at the index

getThenExpression

IExpression getThenExpression(int index)

Gets the THEN expression at the specified index

Parameters:

index - the 0-based index

Returns:

the THEN expression at the index

setThenExpression

void setThenExpression(int index,
                       IExpression expression)

Sets the THEN expression at the specified index

Parameters:

index - the 0-based index

expression - The new THEN expression at the index

getElseExpression

IExpression getElseExpression()

Gets the ELSE expression, if defined. Can be null.

Returns:

the ELSE expression.

setElseExpression

void setElseExpression(IExpression expression)

Sets the ELSE expression

Parameters:

expression - The new ELSE expression