Package com.sap.cds.ql

Interface Then

All Known Subinterfaces:

CqnBuilder.QueryBuilderSupport

public interface Then

Method Summary

Modifier and Type	Method	Description
<T extends Value<?> & CqnCaseExpression> T	orElse(CqnValue defaultValue)	Converts a chain of when-then expressions (a list of cases) to a case expression, which returns a given default value if no condition of any case matches.
<T extends Value<?> & CqnCaseExpression> T	orElse(Object defaultValue)	Converts a chain of when-then expressions (a list of cases) to a case expression, which returns a given default value if no condition of any case matches.
When	when(CqnPredicate pred)	Connects a next case) to a chain of when-then expressions.

Method Details

when

When when(CqnPredicate pred)

Connects a next case) to a chain of when-then expressions.

Parameters:

pred - the condition of the next case.

Returns:

a builder to specify the case's return value

orElse

<T extends Value<?> & CqnCaseExpression> T orElse(CqnValue defaultValue)

Converts a chain of when-then expressions (a list of cases) to a case expression, which returns a given default value if no condition of any case matches.

Parameters:

defaultValue - the default value

Returns:

the case expression

See Also:

• when(CqnPredicate)
• CQL.when(CqnPredicate)
• StructuredType.when(CqnPredicate)
• When.then(CqnValue)

orElse

<T extends Value<?> & CqnCaseExpression> T orElse(Object defaultValue)

Converts a chain of when-then expressions (a list of cases) to a case expression, which returns a given default value if no condition of any case matches.

Parameters:

defaultValue - the default value

Returns:

the case expression

See Also:

• when(CqnPredicate)
• CQL.when(CqnPredicate)
• StructuredType.when(CqnPredicate)
• When.then(CqnValue)