Package com.sap.olingo.jpa.processor.core.query

Class JPACollectionJoinQuery

java.lang.Object

com.sap.olingo.jpa.processor.core.query.JPAAbstractQuery

com.sap.olingo.jpa.processor.core.query.JPAAbstractJoinQuery

com.sap.olingo.jpa.processor.core.query.JPACollectionJoinQuery

All Implemented Interfaces:

JPAQuery

public class JPACollectionJoinQuery
extends JPAAbstractJoinQuery

Field Summary

Fields inherited from class com.sap.olingo.jpa.processor.core.query.JPAAbstractJoinQuery

ALIAS_SEPERATOR, context, cq, lastInfo, navigationInfo, page, requestContext, root, target, uriResource

Fields inherited from class com.sap.olingo.jpa.processor.core.query.JPAAbstractQuery

cb, claimsProvider, debugger, em, groups, jpaEntity, locale, odata, sd, SELECT_ALL, SELECT_ITEM_SEPERATOR

Constructor Summary

Constructors

Constructor	Description
JPACollectionJoinQuery(org.apache.olingo.server.api.OData odata, JPAODataCRUDContextAccess context, javax.persistence.EntityManager em, JPACollectionItemInfo item, Map<String,List<String>> requestHeaders, JPAODataRequestContextAccess requestContext, Optional<JPAKeyBoundary> keyBoundary)

Method Summary

Modifier and Type	Method	Description
protected Set<com.sap.olingo.jpa.metadata.core.edm.mapper.api.JPAPath>	buildSelectionPathList(org.apache.olingo.server.api.uri.UriInfoResource uriResource)	Creates the path to all properties that need to be selected from the database.
protected List<javax.persistence.criteria.Selection<?>>	createSelectClause(Map<String,javax.persistence.criteria.From<?,?>> joinTables, Collection<com.sap.olingo.jpa.metadata.core.edm.mapper.api.JPAPath> jpaPathList, javax.persistence.criteria.From<?,?> target, List<String> groups)	The value of the $select query option is a comma-separated list of properties, qualified action names, qualified function names, the star operator (*), or the star operator prefixed with the namespace or alias of the schema in order to specify all operations defined in the schema.
JPACollectionQueryResult	execute()
protected void	expandPath(com.sap.olingo.jpa.metadata.core.edm.mapper.api.JPAEntityType jpaEntity, Collection<com.sap.olingo.jpa.metadata.core.edm.mapper.api.JPAPath> jpaPathList, String selectItem, boolean targetIsCollection)

Methods inherited from class com.sap.olingo.jpa.processor.core.query.JPAAbstractJoinQuery

addTopSkip, buildEntityPathList, buildSelectionAddNavigationAndSelect, createBoundary, createFromClause, createKeyWhere, createProtectionWhere, createWhere, determineAssoziation, determineLastInfo, determineTargetIsCollection, extractDescriptionAttributes, generateCollectionAttributeJoin, getLocale, getQuery, getRoot

Methods inherited from class com.sap.olingo.jpa.processor.core.query.JPAAbstractQuery

addWhereClause, createJoinFromPath, createProtectionWhereForEntityType, createWhereByKey, generateDesciptionJoin, getDebugger, orWhereClause

Methods inherited from class java.lang.Object

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

Constructor Details

JPACollectionJoinQuery

public JPACollectionJoinQuery(org.apache.olingo.server.api.OData odata,
 JPAODataCRUDContextAccess context,
 javax.persistence.EntityManager em,
 JPACollectionItemInfo item,
 Map<String,List<String>> requestHeaders,
 JPAODataRequestContextAccess requestContext,
 Optional<JPAKeyBoundary> keyBoundary)
                       throws org.apache.olingo.commons.api.ex.ODataException

Throws:

org.apache.olingo.commons.api.ex.ODataException

Method Details

execute

public JPACollectionQueryResult execute()
                                 throws org.apache.olingo.server.api.ODataApplicationException

Throws:

org.apache.olingo.server.api.ODataApplicationException

buildSelectionPathList

protected Set<com.sap.olingo.jpa.metadata.core.edm.mapper.api.JPAPath> buildSelectionPathList(org.apache.olingo.server.api.uri.UriInfoResource uriResource)
                                                                                       throws org.apache.olingo.server.api.ODataApplicationException

Description copied from class: JPAAbstractJoinQuery

Creates the path to all properties that need to be selected from the database. A Property can be included for the following reasons:

• It is a key in order to be able to build the links
• It is part of the $select system query option
• It is the result of a navigation, which my be restricted by a $select
• If is required to link $expand with result with the parent result
• A stream is requested and the property contains the mime type

Not included are collection properties.

Overrides:

buildSelectionPathList in class JPAAbstractJoinQuery

Returns:

Throws:

org.apache.olingo.server.api.ODataApplicationException

expandPath

protected void expandPath(com.sap.olingo.jpa.metadata.core.edm.mapper.api.JPAEntityType jpaEntity,
 Collection<com.sap.olingo.jpa.metadata.core.edm.mapper.api.JPAPath> jpaPathList,
 String selectItem,
 boolean targetIsCollection)
                   throws com.sap.olingo.jpa.metadata.core.edm.mapper.exception.ODataJPAModelException,
ODataJPAQueryException

Overrides:

expandPath in class JPAAbstractJoinQuery

Throws:

com.sap.olingo.jpa.metadata.core.edm.mapper.exception.ODataJPAModelException

ODataJPAQueryException

createSelectClause

protected List<javax.persistence.criteria.Selection<?>> createSelectClause(Map<String,javax.persistence.criteria.From<?,?>> joinTables,
 Collection<com.sap.olingo.jpa.metadata.core.edm.mapper.api.JPAPath> jpaPathList,
 javax.persistence.criteria.From<?,?> target,
 List<String> groups)
                                                                    throws org.apache.olingo.server.api.ODataApplicationException

Description copied from class: JPAAbstractJoinQuery

The value of the $select query option is a comma-separated list of properties, qualified action names, qualified function names, the star operator (*), or the star operator prefixed with the namespace or alias of the schema in order to specify all operations defined in the schema. See: OData Version 4.0 Part 1 - 11.2.4.1 System Query Option $select

See also: OData Version 4.0 Part 2 - 5.1.3 System Query Option $select

Overrides:

createSelectClause in class JPAAbstractJoinQuery

Returns:

Throws:

org.apache.olingo.server.api.ODataApplicationException