Examples with SessionImplementor org.hibernate.engine.spi.SessionImplementor used on opensource projects

Example 86 with SessionImplementor

use of org.hibernate.engine.spi.SessionImplementor in project hibernate-orm by hibernate.

the class BatchingBatchFailureTest method testBasicInsertion.

@Test
public void testBasicInsertion() {
    Session session = openSession();
    session.getTransaction().begin();
    try {
        session.persist(new User(1, "ok"));
        session.persist(new User(2, null));
        session.persist(new User(3, "ok"));
        session.persist(new User(4, "ok"));
        session.persist(new User(5, "ok"));
        session.persist(new User(6, "ok"));
        // the flush should fail
        session.flush();
        fail("Expecting failed flush");
    } catch (Exception expected) {
        System.out.println("Caught expected exception : " + expected);
        expected.printStackTrace(System.out);
        try {
            // at this point the transaction is still active but the batch should have been aborted (have to use reflection to get at the field)
            SessionImplementor sessionImplementor = (SessionImplementor) session;
            Field field = sessionImplementor.getJdbcCoordinator().getClass().getDeclaredField("currentBatch");
            field.setAccessible(true);
            Batch batch = (Batch) field.get(sessionImplementor.getJdbcCoordinator());
            if (batch == null) {
                throw new Exception("Current batch was null");
            } else {
                // make sure it's actually a batching impl
                assertEquals(BatchingBatch.class, batch.getClass());
                field = AbstractBatchImpl.class.getDeclaredField("statements");
                field.setAccessible(true);
                // check to see that there aren't any statements queued up (this can be an issue if using SavePoints)
                assertEquals(0, ((Map) field.get(batch)).size());
            }
        } catch (Exception fieldException) {
            fail("Couldn't inspect field " + fieldException.getMessage());
        }
    } finally {
        session.getTransaction().rollback();
        session.close();
    }
}

Example 87 with SessionImplementor

use of org.hibernate.engine.spi.SessionImplementor in project hibernate-orm by hibernate.

the class NonBatchingBatchFailureTest method testBasicInsertion.

@Test
public void testBasicInsertion() {
    Session session = openSession();
    session.getTransaction().begin();
    try {
        session.persist(new User(1, "ok"));
        session.persist(new User(2, null));
        session.persist(new User(3, "ok"));
        // the flush should fail
        session.flush();
        fail("Expecting failed flush");
    } catch (Exception expected) {
        System.out.println("Caught expected exception : " + expected);
        expected.printStackTrace(System.out);
        try {
            // at this point the transaction is still active but the batch should have been aborted (have to use reflection to get at the field)
            SessionImplementor sessionImplementor = (SessionImplementor) session;
            Field field = sessionImplementor.getJdbcCoordinator().getClass().getDeclaredField("currentBatch");
            field.setAccessible(true);
            Batch batch = (Batch) field.get(sessionImplementor.getJdbcCoordinator());
            if (batch != null) {
                // make sure it's actually a batching impl
                assertEquals(NonBatchingBatch.class, batch.getClass());
                field = AbstractBatchImpl.class.getDeclaredField("statements");
                field.setAccessible(true);
                // check to see that there aren't any statements queued up (this can be an issue if using SavePoints)
                assertEquals(0, ((Map) field.get(batch)).size());
            }
        } catch (Exception fieldException) {
            fail("Couldn't inspect field " + fieldException.getMessage());
        }
    } finally {
        session.getTransaction().rollback();
        session.close();
    }
}

Example 88 with SessionImplementor

use of org.hibernate.engine.spi.SessionImplementor in project hibernate-orm by hibernate.

the class ValidityAuditStrategy method perform.

@Override
public void perform(final Session session, final String entityName, final AuditEntitiesConfiguration audEntitiesCfg, final Serializable id, final Object data, final Object revision) {
    final String auditedEntityName = audEntitiesCfg.getAuditEntityName(entityName);
    final String revisionInfoEntityName = audEntitiesCfg.getRevisionInfoEntityName();
    // Save the audit data
    session.save(auditedEntityName, data);
    // Update the end date of the previous row.
    // 
    // When application reuses identifiers of previously removed entities:
    // The UPDATE statement will no-op if an entity with a given identifier has been
    // inserted for the first time. But in case a deleted primary key value was
    // reused, this guarantees correct strategy behavior: exactly one row with
    // null end date exists for each identifier.
    final boolean reuseEntityIdentifier = audEntitiesCfg.getEnversService().getGlobalConfiguration().isAllowIdentifierReuse();
    if (reuseEntityIdentifier || getRevisionType(audEntitiesCfg, data) != RevisionType.ADD) {
        // Register transaction completion process to guarantee execution of UPDATE statement after INSERT.
        ((EventSource) session).getActionQueue().registerProcess(new BeforeTransactionCompletionProcess() {

            @Override
            public void doBeforeTransactionCompletion(final SessionImplementor sessionImplementor) {
                final Queryable productionEntityQueryable = getQueryable(entityName, sessionImplementor);
                final Queryable rootProductionEntityQueryable = getQueryable(productionEntityQueryable.getRootEntityName(), sessionImplementor);
                final Queryable auditedEntityQueryable = getQueryable(auditedEntityName, sessionImplementor);
                final Queryable rootAuditedEntityQueryable = getQueryable(auditedEntityQueryable.getRootEntityName(), sessionImplementor);
                final String updateTableName;
                if (UnionSubclassEntityPersister.class.isInstance(rootProductionEntityQueryable)) {
                    // this is the condition causing all the problems in terms of the generated SQL UPDATE
                    // the problem being that we currently try to update the in-line view made up of the union query
                    // 
                    // this is extremely hacky means to get the root table name for the union subclass style entities.
                    // hacky because it relies on internal behavior of UnionSubclassEntityPersister
                    // !!!!!! NOTICE - using subclass persister, not root !!!!!!
                    updateTableName = auditedEntityQueryable.getSubclassTableName(0);
                } else {
                    updateTableName = rootAuditedEntityQueryable.getTableName();
                }
                final Type revisionInfoIdType = sessionImplementor.getFactory().getMetamodel().entityPersister(revisionInfoEntityName).getIdentifierType();
                final String revEndColumnName = rootAuditedEntityQueryable.toColumns(audEntitiesCfg.getRevisionEndFieldName())[0];
                final boolean isRevisionEndTimestampEnabled = audEntitiesCfg.isRevisionEndTimestampEnabled();
                // update audit_ent set REVEND = ? [, REVEND_TSTMP = ?] where (prod_ent_id) = ? and REV <> ? and REVEND is null
                final Update update = new Update(sessionImplementor.getFactory().getJdbcServices().getDialect()).setTableName(updateTableName);
                // set REVEND = ?
                update.addColumn(revEndColumnName);
                // set [, REVEND_TSTMP = ?]
                if (isRevisionEndTimestampEnabled) {
                    update.addColumn(rootAuditedEntityQueryable.toColumns(audEntitiesCfg.getRevisionEndTimestampFieldName())[0]);
                }
                // where (prod_ent_id) = ?
                update.addPrimaryKeyColumns(rootProductionEntityQueryable.getIdentifierColumnNames());
                // where REV <> ?
                update.addWhereColumn(rootAuditedEntityQueryable.toColumns(audEntitiesCfg.getRevisionNumberPath())[0], "<> ?");
                // where REVEND is null
                update.addWhereColumn(revEndColumnName, " is null");
                // Now lets execute the sql...
                final String updateSql = update.toStatementString();
                int rowCount = sessionImplementor.doReturningWork(new ReturningWork<Integer>() {

                    @Override
                    public Integer execute(Connection connection) throws SQLException {
                        PreparedStatement preparedStatement = sessionImplementor.getJdbcCoordinator().getStatementPreparer().prepareStatement(updateSql);
                        try {
                            int index = 1;
                            // set REVEND = ?
                            final Number revisionNumber = audEntitiesCfg.getEnversService().getRevisionInfoNumberReader().getRevisionNumber(revision);
                            revisionInfoIdType.nullSafeSet(preparedStatement, revisionNumber, index, sessionImplementor);
                            index += revisionInfoIdType.getColumnSpan(sessionImplementor.getFactory());
                            // set [, REVEND_TSTMP = ?]
                            if (isRevisionEndTimestampEnabled) {
                                final Object revEndTimestampObj = revisionTimestampGetter.get(revision);
                                final Date revisionEndTimestamp = convertRevEndTimestampToDate(revEndTimestampObj);
                                final Type revEndTsType = rootAuditedEntityQueryable.getPropertyType(audEntitiesCfg.getRevisionEndTimestampFieldName());
                                revEndTsType.nullSafeSet(preparedStatement, revisionEndTimestamp, index, sessionImplementor);
                                index += revEndTsType.getColumnSpan(sessionImplementor.getFactory());
                            }
                            // where (prod_ent_id) = ?
                            final Type idType = rootProductionEntityQueryable.getIdentifierType();
                            idType.nullSafeSet(preparedStatement, id, index, sessionImplementor);
                            index += idType.getColumnSpan(sessionImplementor.getFactory());
                            // where REV <> ?
                            final Type revType = rootAuditedEntityQueryable.getPropertyType(audEntitiesCfg.getRevisionNumberPath());
                            revType.nullSafeSet(preparedStatement, revisionNumber, index, sessionImplementor);
                            return sessionImplementor.getJdbcCoordinator().getResultSetReturn().executeUpdate(preparedStatement);
                        } finally {
                            sessionImplementor.getJdbcCoordinator().getLogicalConnection().getResourceRegistry().release(preparedStatement);
                            sessionImplementor.getJdbcCoordinator().afterStatementExecution();
                        }
                    }
                });
                if (rowCount != 1 && (!reuseEntityIdentifier || (getRevisionType(audEntitiesCfg, data) != RevisionType.ADD))) {
                    throw new RuntimeException("Cannot update previous revision for entity " + auditedEntityName + " and id " + id);
                }
            }
        });
    }
    sessionCacheCleaner.scheduleAuditDataRemoval(session, data);
}

Example 89 with SessionImplementor

use of org.hibernate.engine.spi.SessionImplementor in project hibernate-orm by hibernate.

the class DefaultFlushEntityEventListener method handleInterception.

protected boolean handleInterception(FlushEntityEvent event) {
    SessionImplementor session = event.getSession();
    EntityEntry entry = event.getEntityEntry();
    EntityPersister persister = entry.getPersister();
    Object entity = event.getEntity();
    // give the Interceptor a chance to modify property values
    final Object[] values = event.getPropertyValues();
    final boolean intercepted = invokeInterceptor(session, entity, entry, values, persister);
    // now we might need to recalculate the dirtyProperties array
    if (intercepted && event.isDirtyCheckPossible() && !event.isDirtyCheckHandledByInterceptor()) {
        int[] dirtyProperties;
        if (event.hasDatabaseSnapshot()) {
            dirtyProperties = persister.findModified(event.getDatabaseSnapshot(), values, entity, session);
        } else {
            dirtyProperties = persister.findDirty(values, entry.getLoadedState(), entity, session);
        }
        event.setDirtyProperties(dirtyProperties);
    }
    return intercepted;
}

Example 90 with SessionImplementor

use of org.hibernate.engine.spi.SessionImplementor in project hibernate-orm by hibernate.

the class DefaultPersistEventListener method onPersist.

/**
 * Handle the given create event.
 *
 * @param event The create event to be handled.
 */
public void onPersist(PersistEvent event, Map createCache) throws HibernateException {
    final SessionImplementor source = event.getSession();
    final Object object = event.getObject();
    final Object entity;
    if (object instanceof HibernateProxy) {
        LazyInitializer li = ((HibernateProxy) object).getHibernateLazyInitializer();
        if (li.isUninitialized()) {
            if (li.getSession() == source) {
                // NOTE EARLY EXIT!
                return;
            } else {
                throw new PersistentObjectException("uninitialized proxy passed to persist()");
            }
        }
        entity = li.getImplementation();
    } else {
        entity = object;
    }
    final String entityName;
    if (event.getEntityName() != null) {
        entityName = event.getEntityName();
    } else {
        entityName = source.bestGuessEntityName(entity);
        event.setEntityName(entityName);
    }
    final EntityEntry entityEntry = source.getPersistenceContext().getEntry(entity);
    EntityState entityState = getEntityState(entity, entityName, entityEntry, source);
    if (entityState == EntityState.DETACHED) {
        // JPA 2, in its version of a "foreign generated", allows the id attribute value
        // to be manually set by the user, even though this manual value is irrelevant.
        // The issue is that this causes problems with the Hibernate unsaved-value strategy
        // which comes into play here in determining detached/transient state.
        // 
        // Detect if we have this situation and if so null out the id value and calculate the
        // entity state again.
        // NOTE: entityEntry must be null to get here, so we cannot use any of its values
        EntityPersister persister = source.getFactory().getEntityPersister(entityName);
        if (ForeignGenerator.class.isInstance(persister.getIdentifierGenerator())) {
            if (LOG.isDebugEnabled() && persister.getIdentifier(entity, source) != null) {
                LOG.debug("Resetting entity id attribute to null for foreign generator");
            }
            persister.setIdentifier(entity, null, source);
            entityState = getEntityState(entity, entityName, entityEntry, source);
        }
    }
    switch(entityState) {
        case DETACHED:
            {
                throw new PersistentObjectException("detached entity passed to persist: " + getLoggableName(event.getEntityName(), entity));
            }
        case PERSISTENT:
            {
                entityIsPersistent(event, createCache);
                break;
            }
        case TRANSIENT:
            {
                entityIsTransient(event, createCache);
                break;
            }
        case DELETED:
            {
                entityEntry.setStatus(Status.MANAGED);
                entityEntry.setDeletedState(null);
                event.getSession().getActionQueue().unScheduleDeletion(entityEntry, event.getObject());
                entityIsDeleted(event, createCache);
                break;
            }
        default:
            {
                throw new ObjectDeletedException("deleted entity passed to persist", null, getLoggableName(event.getEntityName(), entity));
            }
    }
}