org.openlowcode.server.data.properties

Class LinkedtoparentQueryHelper

java.lang.Object

org.openlowcode.server.data.properties.LinkedtoparentQueryHelper

public class LinkedtoparentQueryHelper
extends java.lang.Object

Helper class to perform queries on the parent / child relation

Author:

Open Lowcode SAS

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	CHILD_OBJECT_ALIAS

Method Summary

Modifier and Type	Method and Description
static LinkedtoparentQueryHelper	get(java.lang.String name) gets a linked to parent query helper for the given linked to parent name
<E extends DataObject<E> & UniqueidentifiedInterface<E>,F extends DataObject<F> & UniqueidentifiedInterface<F>> E[]	getallchildren(DataObjectId<F> parentid, QueryFilter additionalcondition, DataObjectDefinition<E> parentobjectdefinition, DataObjectDefinition<F> linkedobjectdefinition, LinkedtoparentDefinition<E,F> propertydefinition) gets all the children for the specified parent id
<E extends DataObject<E> & UniqueidentifiedInterface<E>,F extends DataObject<F> & UniqueidentifiedInterface<F>> E[]	getallchildrenforseveralparents(DataObjectId<F>[] parentid, QueryFilter additionalcondition, DataObjectDefinition<E> parentobjectdefinition, DataObjectDefinition<F> linkedobjectdefinition, LinkedtoparentDefinition<E,F> propertydefinition) a method to perform a massive query to get all children for several parents
<E extends DataObject<E> & UniqueidentifiedInterface<E>,F extends DataObject<F> & UniqueidentifiedInterface<F>> QueryCondition	getParentIdQueryCondition(TableAlias alias, DataObjectId<F> parentidvalue, DataObjectDefinition<E> parentdefinition, DataObjectDefinition<F> linkedobjectdefinition) gets the condition on the parent id

Methods inherited from class java.lang.Object

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

Field Detail

CHILD_OBJECT_ALIAS

public static final java.lang.String CHILD_OBJECT_ALIAS

See Also:

Constant Field Values

Method Detail

get

public static LinkedtoparentQueryHelper get(java.lang.String name)

gets a linked to parent query helper for the given linked to parent name

Parameters:

name - name

Returns:

the query helper

getParentIdQueryCondition

public <E extends DataObject<E> & UniqueidentifiedInterface<E>,F extends DataObject<F> & UniqueidentifiedInterface<F>> QueryCondition getParentIdQueryCondition(TableAlias alias,
                                                                                                                                                                DataObjectId<F> parentidvalue,
                                                                                                                                                                DataObjectDefinition<E> parentdefinition,
                                                                                                                                                                DataObjectDefinition<F> linkedobjectdefinition)

gets the condition on the parent id

Parameters:

alias - alias of the child object

parentidvalue - id of the parent

parentdefinition - definition of the child object

linkedobjectdefinition - definition of the parent object

Returns:

the specified query condition

getallchildrenforseveralparents

public <E extends DataObject<E> & UniqueidentifiedInterface<E>,F extends DataObject<F> & UniqueidentifiedInterface<F>> E[] getallchildrenforseveralparents(DataObjectId<F>[] parentid,
                                                                                                                                                           QueryFilter additionalcondition,
                                                                                                                                                           DataObjectDefinition<E> parentobjectdefinition,
                                                                                                                                                           DataObjectDefinition<F> linkedobjectdefinition,
                                                                                                                                                           LinkedtoparentDefinition<E,F> propertydefinition)

a method to perform a massive query to get all children for several parents

Parameters:

parentid - array of parent id

additionalcondition - additional filter condition on the children

parentobjectdefinition - definition of the child object

linkedobjectdefinition - definition of the parent object

propertydefinition - definition of the linkedtoparent property for the child object

Returns:

the children for the specified parent ids

getallchildren

public <E extends DataObject<E> & UniqueidentifiedInterface<E>,F extends DataObject<F> & UniqueidentifiedInterface<F>> E[] getallchildren(DataObjectId<F> parentid,
                                                                                                                                          QueryFilter additionalcondition,
                                                                                                                                          DataObjectDefinition<E> parentobjectdefinition,
                                                                                                                                          DataObjectDefinition<F> linkedobjectdefinition,
                                                                                                                                          LinkedtoparentDefinition<E,F> propertydefinition)

gets all the children for the specified parent id

Parameters:

parentid - parent object id

additionalcondition - additional filter condition on the child object

parentobjectdefinition - definition of the child object

linkedobjectdefinition - definition of the parent object

propertydefinition - definition of the linkedtoparent property for the child object

Returns:

the children for the specified parent id