Example usage for org.springframework.transaction.support TransactionCallback TransactionCallback

Introduction

In this page you can find the example usage for org.springframework.transaction.support TransactionCallback TransactionCallback.

Prototype

TransactionCallback

Source Link

Usage

From source file:org.jspresso.hrsample.backend.ApplicationSessionTest.java

/**
 * Tests that uninitialized reference property are correctly loaded and registered to the session
 * when actually loaded. see bug #1150./*from  w w w .  ja  va  2 s.  c  o  m*/
 */
@Test
public void testUninitializedPropertyRegisteredWhenLoaded() {
    final HibernateBackendController hbc = (HibernateBackendController) getBackendController();

    OrganizationalUnit ou = hbc.getTransactionTemplate().execute(new TransactionCallback<OrganizationalUnit>() {
        @Override
        public OrganizationalUnit doInTransaction(TransactionStatus status) {
            EnhancedDetachedCriteria employeeCriteria = EnhancedDetachedCriteria.forClass(Employee.class);
            List<Employee> employees = hbc.findByCriteria(employeeCriteria, null, Employee.class);
            for (Employee emp : employees) {
                OrganizationalUnit managedOu = (OrganizationalUnit) emp
                        .straightGetProperty(Employee.MANAGED_OU);
                if (!Hibernate.isInitialized(managedOu)) {
                    EnhancedDetachedCriteria companyCriteria = EnhancedDetachedCriteria.forClass(Company.class);
                    Company company = hbc.findFirstByCriteria(companyCriteria, EMergeMode.MERGE_KEEP,
                            Company.class);
                    emp = hbc.merge(emp, EMergeMode.MERGE_LAZY);
                    for (Department department : company.getDepartments()) {
                        for (Team team : department.getTeams()) {
                            team.getName();
                        }
                    }
                    // Will initialize
                    return emp.getManagedOu();
                }
            }
            return null;
        }
    });
    if (ou != null) {
        assertTrue("Loaded lazy reference has not correctly been merged to the application session",
                HibernateHelper.objectEquals(ou,
                        hbc.getRegisteredEntity(OrganizationalUnit.class, ou.getId())));
    }
}

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From source file:hhh5855.HHH5855ListChildrenDuplicatesTest.java

/**
 * This test will work fine. We persist the children first, then call merge on
 * the parent//from   ww  w .ja va  2  s  . c  om
 */
@Test
public void testFixByPersistingChild() {
    final Long parentId = cleanAndSaveParent();

    Parent parent = transactionTemplate.execute(new TransactionCallback<Parent>() {
        @Override
        public Parent doInTransaction(TransactionStatus transactionStatus) {
            Parent parent = loadParent(parentId);
            Child child1 = new Child();
            child1.setName("child1");
            Child child2 = new Child();
            child2.setName("child2");
            entityManager.persist(child1);
            entityManager.persist(child2);
            parent.addChild(child1);
            parent.addChild(child2);
            entityManager.merge(parent);
            parent.getChildren().size();
            return parent;
        }
    });
    assertEquals(2, parent.getChildren().size());
}

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From source file:org.openremote.beehive.configuration.www.CommandsAPI.java

@POST
public Response createCommand(final CommandDTOIn commandDTO) {
    if (device.getCommandByName(commandDTO.getName()) != null) {
        return javax.ws.rs.core.Response.status(javax.ws.rs.core.Response.Status.CONFLICT)
                .entity(new ErrorDTO(409, "A command with the same name already exists")).build();
    }//from ww  w.ja  v  a 2s  .c o m

    return Response.ok(new CommandDTOOut(
            new TransactionTemplate(platformTransactionManager).execute(new TransactionCallback<Command>() {
                @Override
                public Command doInTransaction(TransactionStatus transactionStatus) {
                    Command newCommand = new Command();
                    populateCommandFromDTO(newCommand, commandDTO);
                    commandRepository.save(newCommand);
                    return newCommand;
                }
            }))).build();
}

---

From source file:com.khs.test.jdbc.datasource.DSInitializer.java

private void doExecuteScript(final Resource scriptResource) {
    if (scriptResource == null || !scriptResource.exists())
        return;//  www  .  j a  v  a2s.  c  om
    TransactionTemplate transactionTemplate = new TransactionTemplate(
            new DataSourceTransactionManager(dataSource));
    transactionTemplate.execute(new TransactionCallback() {

        @SuppressWarnings("unchecked")
        public Object doInTransaction(TransactionStatus status) {
            JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);
            String[] scripts;
            try {
                scripts = StringUtils.delimitedListToStringArray(
                        stripComments(IOUtils.readLines(scriptResource.getInputStream())), ";");
            } catch (IOException e) {
                throw new BeanInitializationException("Cannot load script from [" + scriptResource + "]", e);
            }
            for (int i = 0; i < scripts.length; i++) {
                String script = scripts[i].trim();
                if (StringUtils.hasText(script)) {
                    try {
                        jdbcTemplate.execute(script);
                    } catch (DataAccessException e) {
                        if (ignoreFailedDrop && script.toLowerCase().startsWith("drop")) {
                            logger.debug("DROP script failed (ignoring): " + script);
                        } else {
                            throw e;
                        }
                    }
                }
            }
            return null;
        }

    });

}

---

From source file:springbatch.test.jdbc.datasource.DataSourceInitializer.java

private void doExecuteScript(final Resource scriptResource) {
    if (scriptResource == null || !scriptResource.exists())
        return;/* ww  w  .  j a  va2  s .  c o m*/
    TransactionTemplate transactionTemplate = new TransactionTemplate(
            new DataSourceTransactionManager(dataSource));
    transactionTemplate.execute(new TransactionCallback() {

        @SuppressWarnings("unchecked")
        public Object doInTransaction(TransactionStatus status) {
            JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);
            String[] scripts;
            try {
                scripts = StringUtils.delimitedListToStringArray(
                        stripComments(IOUtils.readLines(scriptResource.getInputStream())), ";");
            } catch (IOException e) {
                throw new BeanInitializationException("Cannot load script from [" + scriptResource + "]", e);
            }
            for (int i = 0; i < scripts.length; i++) {
                String script = scripts[i].trim();
                if (StringUtils.hasText(script)) {
                    try {
                        jdbcTemplate.execute(scripts[i]);
                    } catch (DataAccessException e) {
                        if (!script.toUpperCase().startsWith("DROP")) {
                            throw e;
                        }
                    }
                }
            }
            return null;
        }

    });

}

---

From source file:com.vladmihalcea.util.DatabaseScriptLifecycleHandler.java

public void initDatabase() {
    if (transactional) {
        transactionTemplate.execute(new TransactionCallback<Void>() {
            @Override//w  w w.j a  va2  s .  c  o  m
            public Void doInTransaction(TransactionStatus status) {
                runInitScripts();
                return null;
            }
        });
    } else {
        runInitScripts();
    }
}

---

From source file:org.cleverbus.core.common.asynch.repair.RepairExternalCallDbImplTest.java

private ExternalCall[] createAndSaveExternalCalls(final int quantity) {
    TransactionTemplate tx = new TransactionTemplate(jpaTransactionManager);
    return tx.execute(new TransactionCallback<ExternalCall[]>() {
        @Override/*from w ww. j a v a2s  . c  o  m*/
        public ExternalCall[] doInTransaction(TransactionStatus status) {
            ExternalCall[] extCalls = new ExternalCall[quantity];
            for (int i = 0; i < extCalls.length; i++) {
                Message message = createMessage(ExternalSystemTestEnum.CRM, ServiceTestEnum.CUSTOMER,
                        "someOperation", "some payload");

                extCalls[i] = ExternalCall.createProcessingCall("direct:someOperation",
                        UUID.randomUUID().toString(), message);
                extCalls[i].setLastUpdateTimestamp(DateTime.now().minusHours(1).toDate());
                em.persist(message);
                em.persist(extCalls[i]);
            }
            em.flush();
            return extCalls;
        }
    });
}

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From source file:org.axonframework.migration.eventstore.JpaEventStoreMigrator.java

public boolean run() throws Exception {
    final AtomicInteger updateCount = new AtomicInteger();
    final AtomicInteger skipCount = new AtomicInteger();
    final AtomicLong lastId = new AtomicLong(
            Long.parseLong(configuration.getProperty("lastProcessedId", "-1")));
    try {/*from   w  ww.  ja va 2 s  .  com*/
        TransactionTemplate template = new TransactionTemplate(txManager);
        template.setReadOnly(true);
        System.out.println("Starting conversion. Fetching batches of " + QUERY_BATCH_SIZE + " items.");
        while (template.execute(new TransactionCallback<Boolean>() {
            @Override
            public Boolean doInTransaction(TransactionStatus status) {
                final Session hibernate = entityManager.unwrap(Session.class);
                Iterator<Object[]> results = hibernate.createQuery(
                        "SELECT e.aggregateIdentifier, e.sequenceNumber, e.type, e.id FROM DomainEventEntry e "
                                + "WHERE e.id > :lastIdentifier ORDER BY e.id ASC")
                        .setFetchSize(1000).setMaxResults(QUERY_BATCH_SIZE).setReadOnly(true)
                        .setParameter("lastIdentifier", lastId.get()).iterate();
                if (!results.hasNext()) {
                    System.out.println("Empty batch. Assuming we're done.");
                    return false;
                } else if (Thread.interrupted()) {
                    System.out.println("Received an interrupt. Stopping...");
                    return false;
                }
                while (results.hasNext()) {
                    List<ConversionItem> conversionBatch = new ArrayList<ConversionItem>();
                    while (conversionBatch.size() < CONVERSION_BATCH_SIZE && results.hasNext()) {
                        Object[] item = results.next();
                        String aggregateIdentifier = (String) item[0];
                        long sequenceNumber = (Long) item[1];
                        String type = (String) item[2];
                        Long entryId = (Long) item[3];
                        lastId.set(entryId);
                        conversionBatch
                                .add(new ConversionItem(sequenceNumber, aggregateIdentifier, type, entryId));
                    }
                    if (!conversionBatch.isEmpty()) {
                        executor.submit(new TransformationTask(conversionBatch, skipCount));
                    }
                }
                return true;
            }
        })) {
            System.out.println("Reading next batch, starting at ID " + lastId.get() + ".");
            System.out.println(
                    "Estimated backlog size is currently: " + (workQueue.size() * CONVERSION_BATCH_SIZE));
        }
    } finally {
        executor.shutdown();
        executor.awaitTermination(5, TimeUnit.MINUTES);
        if (lastId.get() >= 0) {
            System.out.println(
                    "Processed events from old event store up to (and including) id = " + lastId.get());
        }
    }
    System.out.println("In total " + updateCount.get() + " items have been converted.");
    return skipCount.get() == 0;
}

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From source file:net.solarnetwork.node.dao.jdbc.AbstractBatchableJdbcDao.java

@Override
public BatchResult batchProcess(final BatchCallback<T> callback, final BatchOptions options) {
    if (transactionTemplate != null) {
        return transactionTemplate.execute(new TransactionCallback<BatchResult>() {

            @Override/*w  w w  .j av a2s  . c  o  m*/
            public net.solarnetwork.node.dao.BatchableDao.BatchResult doInTransaction(
                    TransactionStatus status) {
                return batchProcessInternal(callback, options);
            }
        });
    } else {
        return batchProcessInternal(callback, options);
    }
}

---

From source file:ca.uhn.fhir.jpa.dao.BaseHapiFhirSystemDao.java

private int doPerformReindexingPassForResources(final Integer theCount, TransactionTemplate txTemplate) {
    return txTemplate.execute(new TransactionCallback<Integer>() {
        @SuppressWarnings("unchecked")
        @Override/*from   w ww  .j  a  v a 2  s.c  o  m*/
        public Integer doInTransaction(TransactionStatus theStatus) {
            TypedQuery<ResourceTable> q = myEntityManager.createQuery(
                    "SELECT t FROM " + ResourceTable.class.getSimpleName() + " t WHERE t.myIndexStatus IS null",
                    ResourceTable.class);

            int maxResult = 500;
            if (theCount != null) {
                maxResult = Math.min(theCount, 2000);
            }

            q.setMaxResults(maxResult);
            List<ResourceTable> resources = q.getResultList();
            if (resources.isEmpty()) {
                return 0;
            }

            ourLog.info("Indexing {} resources", resources.size());

            int count = 0;
            long start = System.currentTimeMillis();

            for (ResourceTable resourceTable : resources) {
                try {
                    /*
                     * This part is because from HAPI 1.5 - 1.6 we changed the format of forced ID to be "type/id" instead of just "id"
                     */
                    ForcedId forcedId = resourceTable.getForcedId();
                    if (forcedId != null) {
                        if (isBlank(forcedId.getResourceType())) {
                            ourLog.info("Updating resource {} forcedId type to {}", forcedId.getForcedId(),
                                    resourceTable.getResourceType());
                            forcedId.setResourceType(resourceTable.getResourceType());
                            myForcedIdDao.save(forcedId);
                        }
                    }

                    final IBaseResource resource = toResource(resourceTable, false);

                    @SuppressWarnings("rawtypes")
                    final IFhirResourceDao dao = getDao(resource.getClass());

                    dao.reindex(resource, resourceTable);
                } catch (Exception e) {
                    ourLog.error("Failed to index resource {}: {}",
                            new Object[] { resourceTable.getIdDt(), e.toString(), e });
                    throw new ReindexFailureException(resourceTable.getId());
                }
                count++;
            }

            long delay = System.currentTimeMillis() - start;
            long avg = (delay / resources.size());
            ourLog.info("Indexed {} / {} resources in {}ms - Avg {}ms / resource",
                    new Object[] { count, resources.size(), delay, avg });

            return resources.size();
        }
    });
}

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