Package org.apache.olingo.odata2.jpa.processor.api.jpql

Interface JPQLSelectSingleContextView

All Superinterfaces:

JPQLContextView

All Known Subinterfaces:

JPQLJoinSelectSingleContextView

public interface JPQLSelectSingleContextView
extends JPQLContextView

The interface provide a view on JPQL select single context.The interface provides methods for accessing the clause of a JPQL SELECT statement like "SELECT". The view can be used for building JPQL statements without any WHERE,JOIN,ORDERBY clauses. The clauses are built from OData read entity request views.

See Also:

• JPQLStatement

Method Summary

Modifier and Type	Method	Description
List<KeyPredicate>	getKeyPredicates()	The method returns the list of key predicates that can be used for constructing the WHERE clause in JPQL statements.
String	getSelectExpression()	The method returns a JPQL SELECT clause.

Methods inherited from interface org.apache.olingo.odata2.jpa.processor.api.jpql.JPQLContextView

getJPAEntityAlias, getJPAEntityName, getType

Method Details

getSelectExpression

String getSelectExpression()

The method returns a JPQL SELECT clause. The SELECT clause is built from $select OData system Query option.

Returns:

a String representing a SELECT clause in JPQL

getKeyPredicates

List<KeyPredicate> getKeyPredicates()

The method returns the list of key predicates that can be used for constructing the WHERE clause in JPQL statements. The OData entity key predicates are thus converted into JPA entity keys.

Returns:

a list of key predicates