Example usage for javax.persistence PersistenceException PersistenceException

Introduction

In this page you can find the example usage for javax.persistence PersistenceException PersistenceException.

Prototype

public PersistenceException(Throwable cause) 

Source Link

Document

Constructs a new PersistenceException exception with the specified cause.

Usage

From source file:com.impetus.kundera.ejb.EntityManagerFactoryBuilder.java

/**
 * Find persistence metadatas./* ww w .  j  a va 2s .  c o  m*/
 * 
 * @return the list
 */
private List<PersistenceMetadata> findPersistenceMetadatas() {
    try {
        Enumeration<URL> xmls = Thread.currentThread().getContextClassLoader()
                .getResources("META-INF/persistence.xml");

        if (!xmls.hasMoreElements()) {
            log.info("Could not find any META-INF/persistence.xml " + "file in the classpath");
        }

        Set<String> persistenceUnitNames = new HashSet<String>();
        List<PersistenceMetadata> persistenceUnits = new ArrayList<PersistenceMetadata>();

        while (xmls.hasMoreElements()) {
            URL url = xmls.nextElement();
            log.trace("Analyse of persistence.xml: " + url);
            List<PersistenceMetadata> metadataFiles = PersistenceXmlLoader.findPersistenceUnits(url,
                    PersistenceUnitTransactionType.RESOURCE_LOCAL);

            // Pick only those that have Kundera Provider
            for (PersistenceMetadata metadata : metadataFiles) {
                // check for provider
                if (metadata.getProvider() == null
                        || PROVIDER_IMPLEMENTATION_NAME.equalsIgnoreCase(metadata.getProvider())) {
                    persistenceUnits.add(metadata);
                }

                // check for unique names
                if (persistenceUnitNames.contains(metadata.getName())) {
                    throw new PersistenceException(
                            "Duplicate persistence-units for name: " + metadata.getName());
                }
                persistenceUnitNames.add(metadata.getName());
            }
        }

        return persistenceUnits;
    } catch (Exception e) {
        if (e instanceof PersistenceException) {
            throw (PersistenceException) e;
        } else {
            throw new PersistenceException(e);
        }
    }
}

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From source file:icom.jpa.bdk.dao.VersionControlConfigurationDAO.java

public Object loadObject(ManagedIdentifiableProxy obj, Projection proj) {
    try {//ww w.ja  v a 2s. com
        BdkUserContextImpl userContext = (BdkUserContextImpl) obj.getPersistenceContext().getUserContext();
        BeeId id = getBeeId(obj.getObjectId().toString());
        String collabId = id.getId();
        String resourceType = id.getResourceType();
        GetMethod method = prepareGetMethod(resourceType, collabId, proj);
        Object bdkVersionControlConfiguration = bdkHttpUtil.execute(Object.class, method,
                userContext.httpClient);
        return bdkVersionControlConfiguration;
    } catch (Exception ex) {
        throw new PersistenceException(ex);
    }
}

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From source file:com.impetus.kundera.client.PelopsClient.java

@Override
public final /*Map<String, List<Column>>*/ <E> List<E> loadColumns(EntityManagerImpl em, Class<E> clazz,
        String keyspace, String columnFamily, EntityMetadata m, String... rowIds) throws Exception {

    if (!isOpen()) {
        throw new PersistenceException("PelopsClient is closed.");
    }/*from w  w  w.j a  va 2s.  c  o m*/
    Selector selector = Pelops.createSelector(poolName, keyspace);
    Map<String, List<Column>> map = selector.getColumnsFromRows(Arrays.asList(rowIds), columnFamily,
            Selector.newColumnsPredicateAll(false, 1000), ConsistencyLevel.ONE);
    List<E> entities = new ArrayList<E>();
    // Iterate and populate entities
    for (Map.Entry<String, List<Column>> entry : map.entrySet()) {

        String id = entry.getKey();
        List<Column> columns = entry.getValue();

        if (entry.getValue().size() == 0) {
            log.debug("@Entity not found for id: " + id);
            continue;
        }

        E e = fromThriftRow(em, clazz, m, this.new ThriftRow(id, columnFamily, columns));
        entities.add(e);
    }
    return entities;
}

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From source file:com.impetus.kundera.metadata.MetadataManager.java

/**
 * Cache metadata./*from   w w w. j a  v a  2s . c  o  m*/
 * 
 * @param clazz
 *            the clazz
 * @param metadata
 *            the metadata
 */
private void cacheMetadata(Class<?> clazz, EntityMetadata metadata) {
    metadataCache.put(clazz, metadata);

    // save name to class map.
    if (entityNameToClassMap.containsKey(clazz.getSimpleName())) {
        throw new PersistenceException("Name conflict between classes "
                + entityNameToClassMap.get(clazz.getSimpleName()).getName() + " and " + clazz.getName());
    }
    entityNameToClassMap.put(clazz.getSimpleName(), clazz);
}

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From source file:com.impetus.kundera.cache.ElementCollectionCacheManager.java

/**
 * Gets the last element collection object count.
 * /*w  w  w.  j  a  va  2s .co  m*/
 * @param rowKey
 *            the row key
 * @return the last element collection object count
 */
public int getLastElementCollectionObjectCount(String rowKey) {
    if (getElementCollectionCache().get(rowKey) == null) {
        log.debug("No element collection object map found in cache for Row key " + rowKey);
        return -1;
    } else {
        Map<Object, String> elementCollectionMap = getElementCollectionCache().get(rowKey);
        Collection<String> elementCollectionObjectNames = elementCollectionMap.values();
        int max = 0;

        for (String s : elementCollectionObjectNames) {
            String elementCollectionCountStr = s
                    .substring(s.indexOf(Constants.EMBEDDED_COLUMN_NAME_DELIMITER) + 1);
            int elementCollectionCount = 0;
            try {
                elementCollectionCount = Integer.parseInt(elementCollectionCountStr);
            } catch (NumberFormatException e) {
                log.error("Invalid element collection Object name " + s);
                throw new PersistenceException("Invalid element collection Object name " + s);
            }
            if (elementCollectionCount > max) {
                max = elementCollectionCount;
            }
        }
        return max;
    }
}

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From source file:com.impetus.kundera.mongodb.MongoDBDataHandler.java

public BasicDBObject getDocumentFromEntity(EntityManagerImpl em, EntityMetadata m, Object entity)
        throws PropertyAccessException {
    List<Column> columns = m.getColumnsAsList();
    BasicDBObject dbObj = new BasicDBObject();

    //Populate columns
    for (Column column : columns) {
        try {/*from w ww .jav  a  2s.  com*/
            extractEntityField(entity, dbObj, column);
        } catch (PropertyAccessException e1) {
            log.error("Can't access property " + column.getField().getName());
        }
    }

    //Populate Relationship fields
    List<Relation> relations = m.getRelations();
    for (Relation relation : relations) {
        // Cascade?
        if (!relation.getCascades().contains(CascadeType.ALL)
                && !relation.getCascades().contains(CascadeType.PERSIST)) {
            continue;
        }

        Class<?> embeddedEntityClass = relation.getTargetEntity(); //Target entity
        Field embeddedEntityField = relation.getProperty(); //Mapped to this property         
        boolean optional = relation.isOptional(); // Is it optional         
        Object embeddedObject = PropertyAccessorHelper.getObject(entity, embeddedEntityField); // Value         

        EntityMetadata relMetadata = em.getMetadataManager().getEntityMetadata(embeddedEntityClass);
        relMetadata.addColumn(relMetadata.getIdColumn().getName(), relMetadata.getIdColumn()); //Add PK column

        if (embeddedObject == null) {
            if (!optional) {
                throw new PersistenceException(
                        "Field " + embeddedEntityField + " is not optional, and hence must be set.");
            }

        } else {
            if (relation.isUnary()) {
                BasicDBObject relDBObj = getDocumentFromEntity(em, relMetadata, embeddedObject);
                dbObj.put(embeddedEntityField.getName(), relDBObj);

            } else if (relation.isCollection()) {
                Collection collection = (Collection) embeddedObject;
                BasicDBObject[] relDBObjects = new BasicDBObject[collection.size()];
                int count = 0;
                for (Object o : collection) {
                    relDBObjects[count] = getDocumentFromEntity(em, relMetadata, o);
                    count++;
                }
                dbObj.put(embeddedEntityField.getName(), relDBObjects);
            }

        }

    }
    return dbObj;
}

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From source file:com.impetus.kundera.utils.KunderaCoreUtils.java

/**
 * Prepares composite key as a lucene key.
 * /*  w w  w.j  a  va2 s .  co  m*/
 * @param m
 *            entity metadata
 * @param metaModel
 *            meta model.
 * @param compositeKey
 *            composite key instance
 * @return redis key
 */
public static String prepareCompositeKey(final SingularAttribute attribute, final MetamodelImpl metaModel,
        final Object compositeKey) {
    Field[] fields = attribute.getBindableJavaType().getDeclaredFields();
    EmbeddableType embeddable = metaModel.embeddable(attribute.getBindableJavaType());
    StringBuilder stringBuilder = new StringBuilder();

    try {
        for (Field f : fields) {
            if (!ReflectUtils.isTransientOrStatic(f)) {
                if (metaModel.isEmbeddable(
                        ((AbstractAttribute) embeddable.getAttribute(f.getName())).getBindableJavaType())) {
                    f.setAccessible(true);
                    stringBuilder.append(
                            prepareCompositeKey((SingularAttribute) embeddable.getAttribute(f.getName()),
                                    metaModel, f.get(compositeKey)))
                            .append(LUCENE_COMPOSITE_KEY_SEPERATOR);
                } else {
                    String fieldValue = PropertyAccessorHelper.getString(compositeKey, f);
                    fieldValue = fieldValue.replaceAll("[^a-zA-Z0-9]", "_");

                    stringBuilder.append(fieldValue);
                    stringBuilder.append(LUCENE_COMPOSITE_KEY_SEPERATOR);
                }
            }
        }
    } catch (IllegalAccessException e) {
        logger.error(e.getMessage());
    } catch (IllegalArgumentException e) {
        logger.error("Error during prepare composite key, Caused by {}.", e);
        throw new PersistenceException(e);
    }

    if (stringBuilder.length() > 0) {
        stringBuilder.deleteCharAt(stringBuilder.lastIndexOf(LUCENE_COMPOSITE_KEY_SEPERATOR));
    }
    return stringBuilder.toString();
}

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From source file:edu.kit.dama.staging.services.impl.download.DownloadInformationPersistenceImpl.java

/**
 * Create a new download entity.//  w  ww .  j  av  a  2 s . c  o m
 *
 * @param pDigitalObjectId The digital object id for which the download will
 * be created.
 * @param pAccessPointId The AccessPoint to use for downloading data.
 * @param pProcessors A collection of StagingProcessor applied after the
 * download preparation.
 * @param pSecurityContext The security context.
 *
 * @return The created download information.
 */
public DownloadInformation createEntity(final DigitalObjectId pDigitalObjectId, String pAccessPointId,
        Collection<StagingProcessor> pProcessors, IAuthorizationContext pSecurityContext) {
    if (pDigitalObjectId == null) {
        throw new IllegalArgumentException("Argument pDigitalObjectId must not be 'null'");
    }
    if (pAccessPointId == null) {
        LOGGER.warn("AccessPointId should not be null! E.g. cleanup may fail.");
    }

    if (pSecurityContext == null) {
        throw new IllegalArgumentException("Argument pSecurityContext must not be 'null'");
    } else if (pSecurityContext.getUserId() == null) {
        throw new IllegalArgumentException("Illegal security context. User must not be 'null'");
    }

    try {
        List<DownloadInformation> entities = getEntitiesByDigitalObjectId(pDigitalObjectId, 0,
                Integer.MAX_VALUE, pSecurityContext);
        if (!entities.isEmpty()) {
            throw new PersistenceException("Obviously, there is already an entity with the digital object id '"
                    + pDigitalObjectId + "' registed in the current context.");
        }
    } catch (PersistenceException pe) {
        //some error occured
        throw new PersistenceException("Failed to check for duplicated entities", pe);
    }
    DownloadInformation result = new DownloadInformation(pDigitalObjectId);
    //add staging processors if available
    if (pProcessors != null && !pProcessors.isEmpty()) {
        for (StagingProcessor processor : pProcessors) {
            result.addStagingProcessor(processor);
        }
    }

    IMetaDataManager mdm = SecureMetaDataManager.factorySecureMetaDataManager(getPersistenceUnit(),
            pSecurityContext);
    try {
        result.setAccessPointId(pAccessPointId);
        result.setOwnerId(pSecurityContext.getUserId().getStringRepresentation());
        result.setGroupId(pSecurityContext.getGroupId().getStringRepresentation());
        result.setLastUpdate(System.currentTimeMillis());
        result.setExpiresAt(System.currentTimeMillis() + DownloadInformation.DEFAULT_LIFETIME);
        LOGGER.debug("Persisting download for object id  '{}'", result.getDigitalObjectId());
        result = mdm.save(result);
    } catch (UnauthorizedAccessAttemptException ex) {
        throw new PersistenceException(
                "Failed for persist download information for object id " + pDigitalObjectId + "'", ex);
    } finally {
        mdm.close();
    }
    return result;
}

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From source file:com.impetus.kundera.ejb.PersistenceXmlLoader.java

/**
 * Gets the transaction type./* w w  w.  j a v a2  s. c  o  m*/
 * 
 * @param elementContent
 *            the element content
 * @return the transaction type
 */
public static PersistenceUnitTransactionType getTransactionType(String elementContent) {

    if (elementContent == null || elementContent.isEmpty()) {
        return null;
    } else if (elementContent.equalsIgnoreCase("JTA")) {
        return PersistenceUnitTransactionType.JTA;
    } else if (elementContent.equalsIgnoreCase("RESOURCE_LOCAL")) {
        return PersistenceUnitTransactionType.RESOURCE_LOCAL;
    } else {
        throw new PersistenceException("Unknown TransactionType: " + elementContent);
    }
}

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From source file:com.impetus.kundera.client.PelopsClient.java

@Override
public final void delete(String keyspace, String columnFamily, String rowId) throws Exception {

    if (!isOpen()) {
        throw new PersistenceException("PelopsClient is closed.");
    }//w w w  . java2s. c o  m
    KeyDeletor keyDeletor = Pelops.createKeyDeletor(poolName, keyspace);
    keyDeletor.deleteColumnFamily(rowId, columnFamily, ConsistencyLevel.ONE);
}

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