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:icom.jpa.bdk.dao.LabelApplicationDAO.java

public LabelApplication loadObject(ManagedIdentifiableProxy obj, Projection proj) {
    try {//from www  . j ava  2s. co m
        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);
        LabelApplication bdkLabelApplication = (LabelApplication) bdkHttpUtil.execute(LabelApplication.class,
                method, userContext.httpClient);
        return bdkLabelApplication;
    } catch (Exception ex) {
        throw new PersistenceException(ex);
    }
}

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

public CategoryApplication loadObject(ManagedIdentifiableProxy obj, Projection proj) {
    try {/* w  w w  . jav  a2 s  . c om*/
        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);
        CategoryApplication bdkCategoryApplication = (CategoryApplication) bdkHttpUtil
                .execute(CategoryApplication.class, method, userContext.httpClient);
        return bdkCategoryApplication;
    } catch (Exception ex) {
        throw new PersistenceException(ex);
    }
}

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

/**
 * helper method to recursively build reachable object list.
 * //w  w w . ja  v  a 2s  .  c o  m
 * @param o
 *            the o
 * @param cascadeType
 *            the cascade type
 * @param entities
 *            the entities
 * @return the all reachable entities
 * @throws PropertyAccessException
 *             the property access exception
 */
private void recursivelyResolveEntities(Object o, CascadeType cascadeType, Map<String, EnhancedEntity> entities)
        throws PropertyAccessException {

    EntityMetadata m = null;
    try {
        m = em.getMetadataManager().getEntityMetadata(o.getClass());
    } catch (Exception e) {
        // Object might already be an enhanced entity
    }

    if (m == null) {
        return;
    }

    String id = PropertyAccessorHelper.getId(o, m);

    // Ensure that @Id is set
    if (null == id || id.trim().isEmpty()) {
        throw new PersistenceException(
                "Missing primary key >> " + m.getEntityClazz().getName() + "#" + m.getIdProperty().getName());
    }

    // Dummy name to check if the object is already processed
    String mapKeyForEntity = m.getEntityClazz().getName() + "_" + id;

    if (entities.containsKey(mapKeyForEntity)) {
        return;
    }

    log.debug("Resolving >> " + mapKeyForEntity);

    // Map to hold property-name=>foreign-entity relations
    Map<String, Set<String>> foreignKeysMap = new HashMap<String, Set<String>>();

    // Save to map
    entities.put(mapKeyForEntity, em.getFactory().getEnhancedEntity(o, id, foreignKeysMap));

    // Iterate over EntityMetata.Relation relations
    for (EntityMetadata.Relation relation : m.getRelations()) {

        // Cascade?
        if (!relation.getCascades().contains(CascadeType.ALL)
                && !relation.getCascades().contains(cascadeType)) {
            continue;
        }

        // Target entity
        Class<?> targetClass = relation.getTargetEntity();
        // Mapped to this property
        Field targetField = relation.getProperty();
        // Is it optional?
        boolean optional = relation.isOptional();

        // Value
        Object value = PropertyAccessorHelper.getObject(o, targetField);

        // if object is not null, then proceed
        if (null != value) {

            if (relation.isUnary()) {
                // Unary relation will have single target object.
                String targetId = PropertyAccessorHelper.getId(value,
                        em.getMetadataManager().getEntityMetadata(targetClass));

                Set<String> foreignKeys = new HashSet<String>();

                foreignKeys.add(targetId);
                // put to map
                foreignKeysMap.put(targetField.getName(), foreignKeys);

                // get all other reachable objects from object "value"
                recursivelyResolveEntities(value, cascadeType, entities);

            }
            if (relation.isCollection()) {
                // Collection relation can have many target objects.

                // Value must map to Collection interface.
                @SuppressWarnings("unchecked")
                Collection collection = (Collection) value;

                Set<String> foreignKeys = new HashSet<String>();

                // Iterate over each Object and get the @Id
                for (Object o_ : collection) {
                    String targetId = PropertyAccessorHelper.getId(o_,
                            em.getMetadataManager().getEntityMetadata(targetClass));

                    foreignKeys.add(targetId);

                    // Get all other reachable objects from "o_"
                    recursivelyResolveEntities(o_, cascadeType, entities);
                }
                foreignKeysMap.put(targetField.getName(), foreignKeys);
            }
        }

        // if the value is null
        else {
            // halt, if this was a non-optional property
            if (!optional) {
                throw new PersistenceException(
                        "Missing " + targetClass.getName() + "." + targetField.getName());
            }
        }
    }
}

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

/**
 * Immediate load and cache.//from www . j a  va2 s .  co m
 * 
 * @param <E>
 *            the element type
 * @param entityClass
 *            the entity class
 * @param primaryKey
 *            the primary key
 * @return the e
 */
protected <E> E immediateLoadAndCache(Class<E> entityClass, Object primaryKey) {
    try {
        EntityMetadata m = metadataManager.getEntityMetadata(entityClass);
        m.setDBType(this.client.getType());
        E e = dataManager.find(entityClass, m, primaryKey.toString());
        if (e != null) {
            session.store(primaryKey, e, m.isCacheable());
        }
        return e;
    } catch (Exception exp) {
        throw new PersistenceException(exp);
    }
}

---

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

@Override
public final <E> E loadColumns(EntityManagerImpl em, Class<E> clazz, String keyspace, String columnFamily,
        String rowId, EntityMetadata m) throws Exception {

    if (!isOpen()) {
        throw new PersistenceException("PelopsClient is closed.");
    }//w w w . ja v  a2  s .c o m
    Selector selector = Pelops.createSelector(poolName, keyspace);
    List<Column> columns = selector.getColumnsFromRow(rowId, columnFamily,
            Selector.newColumnsPredicateAll(true, 10), ConsistencyLevel.ONE);
    E e;
    if (null == columns || columns.size() == 0) {
        e = null;
    } else {
        e = fromThriftRow(em, clazz, m, this.new ThriftRow(rowId, columnFamily, columns));
    }
    return e;
}

---

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

@Override
public void delete(String idColumnName, String documentName, String rowId) throws Exception {
    DBCollection dbCollection = mongoDb.getCollection(documentName);

    //Find the DBObject to remove first
    BasicDBObject query = new BasicDBObject();
    query.put(idColumnName, rowId);/*from  w ww .java  2  s  .  c  o m*/

    DBCursor cursor = dbCollection.find(query);
    DBObject documentToRemove = null;

    if (cursor.hasNext()) {
        documentToRemove = cursor.next();
    } else {
        throw new PersistenceException(
                "Can't remove Row# " + rowId + " for " + documentName + " because record doesn't exist.");
    }

    dbCollection.remove(documentToRemove);
}

---

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

@Override
public final <E> List<E> find(Class<E> entityClass, Object... primaryKeys) {
    if (closed) {
        throw new PersistenceException("EntityManager already closed.");
    }/*from w w  w.j  av  a2  s . co  m*/
    if (primaryKeys == null) {
        throw new IllegalArgumentException("primaryKey value must not be null.");
    }

    // Validate
    metadataManager.validate(entityClass);

    if (null == primaryKeys || primaryKeys.length == 0) {
        return new ArrayList<E>();
    }

    // TODO: load from cache first

    try {
        String[] ids = Arrays.asList(primaryKeys).toArray(new String[] {});
        EntityMetadata m = metadataManager.getEntityMetadata(entityClass);
        m.setDBType(this.client.getType());
        List<E> entities = dataManager.find(entityClass, m, ids);

        // TODO: cache entities for future lookup
        return entities;
    } catch (Exception e) {
        throw new PersistenceException(e);
    }
}

---

From source file:com.nortal.petit.orm.StatementSupport.java

/**
 * Updates beans by primary key mapping/*from   ww w.j ava2 s .  co  m*/
 * 
 * @param beans
 *            Beans to update
 */
public <B> void update(Collection<B> beans) {
    if (CollectionUtils.isEmpty(beans)) {
        return;
    }

    UpdateStatement<B> stm = new UpdateStatement<B>(getJdbcTemplate(), getStatementBuilder(),
            (B[]) beans.toArray());
    if (stm.getMapping().id() != null) {
        stm.exec();
    } else {
        throw new PersistenceException("Model " + beans.iterator().next().getClass().getSimpleName()
                + " does not have primary key mapping");
    }
}

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

public Presence loadObject(ManagedIdentifiableProxy obj, Projection proj) {
    PersistenceContext context = obj.getPersistenceContext();
    BeeId presenceObjId = getBeeId(obj.getObjectId().toString());
    String collabId = presenceObjId.getId();
    String resourceType = "presence";
    try {/*from  w ww. ja  v  a 2 s.  co m*/
        BdkUserContextImpl userContext = (BdkUserContextImpl) context.getUserContext();
        GetMethod method = prepareGetMethod(resourceType, collabId, proj);
        Presence bdkPresence = (Presence) bdkHttpUtil.execute(Presence.class, method, userContext.httpClient);
        return bdkPresence;
    } catch (Exception ex) {
        throw new PersistenceException(ex);
    }
}

---

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

/**
 * Gets the embedded generic object instance.
 * /*from  w w w .  j  a  v  a 2  s  . co  m*/
 * @param embeddedCollectionField
 *            the embedded collection field
 * @return the embedded generic object instance
 */
public static Object getEmbeddedGenericObjectInstance(Field embeddedCollectionField) {
    Class<?> embeddedClass = PropertyAccessorHelper.getGenericClass(embeddedCollectionField);
    Object embeddedObject = null;
    // must have a default no-argument constructor
    try {
        embeddedClass.getConstructor();
        embeddedObject = embeddedClass.newInstance();
    } catch (NoSuchMethodException nsme) {
        throw new PersistenceException(
                embeddedClass.getName() + " is @Embeddable and must have a default no-argument constructor.");
    } catch (InstantiationException e) {
        throw new PersistenceException(embeddedClass.getName() + " could not be instantiated");
    }

    catch (IllegalAccessException e) {
        throw new PersistenceException(embeddedClass.getName() + " could not be accessed");
    }
    return embeddedObject;
}

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