com.yahoo.elide.datastores.hibernate3

Class HibernateTransaction

java.lang.Object

com.yahoo.elide.datastores.hibernate3.HibernateTransaction

All Implemented Interfaces:

DataStoreTransaction, Closeable, AutoCloseable

public class HibernateTransaction
extends Object
implements DataStoreTransaction

Hibernate Transaction implementation.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	HibernateTransaction(org.hibernate.Session session, boolean isScrollEnabled, org.hibernate.ScrollMode scrollMode) Constructor.

Method Summary

Modifier and Type	Method and Description
User	accessUser(Object opaqueUser)
protected CriterionFilterOperation	buildCriterionFilterOperation(org.hibernate.Criteria criteria) Build the CriterionFilterOperation for provided criteria.
void	close()
void	commit(RequestScope scope)
void	createObject(Object entity, RequestScope scope)
void	delete(Object object, RequestScope scope)
void	flush(RequestScope requestScope)
List<String>	getIncludeList(RequestScope scope) Parse include param into list of include fields.
Integer	getQueryLimit() Overrideable default query limit for the data store.
Object	getRelation(DataStoreTransaction relationTx, Object entity, String relationName, Optional<FilterExpression> filterExpression, Optional<Sorting> sorting, Optional<Pagination> pagination, RequestScope scope)
boolean	isJoinQuery() Should this transaction use JOINs.
Object	loadObject(Class<?> entityClass, Serializable id, Optional<FilterExpression> filterExpression, RequestScope scope) load a single record with id and filter.
Iterable	loadObjects(Class<?> loadClass, org.hibernate.Criteria criteria, Optional<Set<org.hibernate.criterion.Order>> sortingRules, Optional<Pagination> pagination, RequestScope scope) Generates the Hibernate ScrollableIterator for Hibernate Query.
Iterable<Object>	loadObjects(Class<?> entityClass, Optional<FilterExpression> filterExpression, Optional<Sorting> sorting, Optional<Pagination> pagination, RequestScope scope)
protected <T> Collection	patchRequestFilterCollection(Collection collection, Class<T> entityClass, FilterExpression filterExpression, RequestScope requestScope) Use only inMemory tests during PatchRequest since objects in the collection may be new and unsaved.
void	save(Object object, RequestScope scope)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.yahoo.elide.core.DataStoreTransaction

createNewObject, getAttribute, preCommit, setAttribute, updateToManyRelation, updateToOneRelation

Constructor Detail

HibernateTransaction

protected HibernateTransaction(org.hibernate.Session session,
                               boolean isScrollEnabled,
                               org.hibernate.ScrollMode scrollMode)

Constructor.

Parameters:

session - Hibernate session

isScrollEnabled - Whether or not scrolling is enabled

scrollMode - Scroll mode to use if scrolling enabled

Method Detail

delete

public void delete(Object object,
                   RequestScope scope)

Specified by:

delete in interface DataStoreTransaction

save

public void save(Object object,
                 RequestScope scope)

Specified by:

save in interface DataStoreTransaction

flush

public void flush(RequestScope requestScope)

Specified by:

flush in interface DataStoreTransaction

commit

public void commit(RequestScope scope)

Specified by:

commit in interface DataStoreTransaction

createObject

public void createObject(Object entity,
                         RequestScope scope)

Specified by:

createObject in interface DataStoreTransaction

loadObject

public Object loadObject(Class<?> entityClass,
                         Serializable id,
                         Optional<FilterExpression> filterExpression,
                         RequestScope scope)

load a single record with id and filter.

Specified by:

loadObject in interface DataStoreTransaction

Parameters:

entityClass - class of query object

id - id of the query object

filterExpression - FilterExpression contains the predicates

scope - Request scope associated with specific request

buildCriterionFilterOperation

protected CriterionFilterOperation buildCriterionFilterOperation(org.hibernate.Criteria criteria)

Build the CriterionFilterOperation for provided criteria.

Parameters:

criteria - the criteria

Returns:

the CriterionFilterOperation

loadObjects

public Iterable<Object> loadObjects(Class<?> entityClass,
                                    Optional<FilterExpression> filterExpression,
                                    Optional<Sorting> sorting,
                                    Optional<Pagination> pagination,
                                    RequestScope scope)

Specified by:

loadObjects in interface DataStoreTransaction

loadObjects

public Iterable loadObjects(Class<?> loadClass,
                            org.hibernate.Criteria criteria,
                            Optional<Set<org.hibernate.criterion.Order>> sortingRules,
                            Optional<Pagination> pagination,
                            RequestScope scope)

Generates the Hibernate ScrollableIterator for Hibernate Query.

Parameters:

loadClass - The hibernate class to build the query off of.

criteria - The criteria to use for filters

sortingRules - The possibly empty sorting rules.

pagination - The Optional pagination object.

Returns:

The Iterable for Hibernate.

isJoinQuery

public boolean isJoinQuery()

Should this transaction use JOINs. Override to force joins.

Returns:

true to use join logic

getIncludeList

public List<String> getIncludeList(RequestScope scope)

Parse include param into list of include fields.

Returns:

list of include fields

getRelation

public Object getRelation(DataStoreTransaction relationTx,
                          Object entity,
                          String relationName,
                          Optional<FilterExpression> filterExpression,
                          Optional<Sorting> sorting,
                          Optional<Pagination> pagination,
                          RequestScope scope)

Specified by:

getRelation in interface DataStoreTransaction

patchRequestFilterCollection

protected <T> Collection patchRequestFilterCollection(Collection collection,
                                                      Class<T> entityClass,
                                                      FilterExpression filterExpression,
                                                      RequestScope requestScope)

Use only inMemory tests during PatchRequest since objects in the collection may be new and unsaved.

Type Parameters:

T - the type parameter

Parameters:

collection - the collection to filter

entityClass - the class of the entities in the collection

filterExpression - the filter expression

requestScope - The request scope

Returns:

the filtered collection

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

accessUser

public User accessUser(Object opaqueUser)

Specified by:

accessUser in interface DataStoreTransaction

getQueryLimit

public Integer getQueryLimit()

Overrideable default query limit for the data store.

Returns:

default limit