com.sap.cds.services.utils.model

Class CqnUtils

java.lang.Object

com.sap.cds.services.utils.model.CqnUtils

public class CqnUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static Function<com.sap.cds.ql.Predicate,com.sap.cds.ql.Predicate>	andPredicate(com.sap.cds.ql.cqn.CqnPredicate pred) Creates a function which combines an additional Predicate to the original predicate with a logical AND.
static Map<String,Object>	convertToIndexMap(Object... paramValues) Converts the object array to an indexed map.
static <S extends com.sap.cds.ql.cqn.CqnStatement> S	modifiedWhere(S cqn, Function<com.sap.cds.ql.Predicate,com.sap.cds.ql.Predicate> modifyWhere) Creates a CqnStatement with a modified where clause according to the passed function.

Methods inherited from class java.lang.Object

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

Method Detail

convertToIndexMap

public static Map<String,Object> convertToIndexMap(Object... paramValues)

Converts the object array to an indexed map. The first object has the key 0, the second 1, etc.

Parameters:

paramValues - the objects

Returns:

the indexed map

modifiedWhere

public static <S extends com.sap.cds.ql.cqn.CqnStatement> S modifiedWhere(S cqn,
                                                                          Function<com.sap.cds.ql.Predicate,com.sap.cds.ql.Predicate> modifyWhere)

Creates a CqnStatement with a modified where clause according to the passed function.

Type Parameters:

S - The type of the statement

Parameters:

cqn - The original CqnStatement.

modifyWhere - A function that maps an existing Predicate to the predicate in the modified statement.

Returns:

The modified CqnStatement.

andPredicate

public static Function<com.sap.cds.ql.Predicate,com.sap.cds.ql.Predicate> andPredicate(com.sap.cds.ql.cqn.CqnPredicate pred)

Creates a function which combines an additional Predicate to the original predicate with a logical AND.

Parameters:

pred - The Predicate to combine with AND.

Returns:

The function