Example usage for javax.ejb TransactionAttributeType SUPPORTS

List of usage examples for javax.ejb TransactionAttributeType SUPPORTS

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Introduction

In this page you can find the example usage for javax.ejb TransactionAttributeType SUPPORTS.

Prototype

TransactionAttributeType SUPPORTS

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Document

If the client calls with a transaction context, the container performs the same steps as described in the REQUIRED case.

Usage

From source file:fr.ortolang.diffusion.core.CoreServiceBean.java

@Override
@TransactionAttribute(TransactionAttributeType.SUPPORTS)
public List<String> findMetadataObjectsForTarget(String target)
        throws CoreServiceException, AccessDeniedException {
    LOGGER.log(Level.FINE, "finding metadata for target [" + target + "]");
    try {//ww w . j  a  va  2  s. c o m
        List<String> subjects = membership.getConnectedIdentifierSubjects();
        authorisation.checkPermission(target, subjects, "read");

        TypedQuery<MetadataObject> query = em
                .createNamedQuery("findMetadataObjectsForTarget", MetadataObject.class)
                .setParameter("target", target);
        List<MetadataObject> mdos = query.getResultList();
        List<String> results = new ArrayList<String>();
        for (MetadataObject mdo : mdos) {
            String key = registry.lookup(mdo.getObjectIdentifier());
            results.add(key);
        }
        return results;
    } catch (RegistryServiceException | MembershipServiceException | AuthorisationServiceException
            | KeyNotFoundException | IdentifierNotRegisteredException e) {
        LOGGER.log(Level.SEVERE, "unexpected error occurred during finding metadata", e);
        throw new CoreServiceException("unable to find metadata for target [" + target + "]", e);
    }
}

From source file:fr.ortolang.diffusion.core.CoreServiceBean.java

@Override
@TransactionAttribute(TransactionAttributeType.SUPPORTS)
public List<String> findMetadataObjectsForTargetAndName(String target, String name)
        throws CoreServiceException, AccessDeniedException {
    LOGGER.log(Level.FINE, "finding metadata for target [" + target + "]");
    try {/*  w  ww .j av  a 2s. c  o  m*/
        List<String> subjects = membership.getConnectedIdentifierSubjects();
        authorisation.checkPermission(target, subjects, "read");

        TypedQuery<MetadataObject> query = em
                .createNamedQuery("findMetadataObjectsForTargetAndName", MetadataObject.class)
                .setParameter("target", target).setParameter("name", name);
        List<MetadataObject> mdos = query.getResultList();
        List<String> results = new ArrayList<String>();
        for (MetadataObject mdo : mdos) {
            String key = registry.lookup(mdo.getObjectIdentifier());
            results.add(key);
        }
        return results;
    } catch (RegistryServiceException | MembershipServiceException | AuthorisationServiceException
            | KeyNotFoundException | IdentifierNotRegisteredException e) {
        LOGGER.log(Level.SEVERE, "unexpected error occurred during finding metadata", e);
        throw new CoreServiceException("unable to find metadata for target [" + target + "]", e);
    }
}

From source file:fr.ortolang.diffusion.core.CoreServiceBean.java

@Override
@TransactionAttribute(TransactionAttributeType.SUPPORTS)
public List<MetadataFormat> listMetadataFormat() throws CoreServiceException {
    List<MetadataFormat> formats = listAllMetadataFormat();
    Map<String, MetadataFormat> latest = new HashMap<String, MetadataFormat>();
    for (MetadataFormat format : formats) {
        if (!latest.containsKey(format.getName())) {
            latest.put(format.getName(), format);
        } else if (latest.get(format.getName()).getSerial() < format.getSerial()) {
            latest.put(format.getName(), format);
        }//from www . j  ava 2s .  c om
    }
    List<MetadataFormat> filteredformats = new ArrayList<MetadataFormat>();
    filteredformats.addAll(latest.values());
    return filteredformats;
}

From source file:fr.ortolang.diffusion.core.CoreServiceBean.java

@Override
@TransactionAttribute(TransactionAttributeType.SUPPORTS)
public List<MetadataFormat> listAllMetadataFormat() {
    TypedQuery<MetadataFormat> query = em.createNamedQuery("listMetadataFormat", MetadataFormat.class);
    return query.getResultList();
}

From source file:fr.ortolang.diffusion.core.CoreServiceBean.java

@Override
@TransactionAttribute(TransactionAttributeType.SUPPORTS)
public MetadataFormat getMetadataFormat(String name) {
    LOGGER.log(Level.FINE, "reading metadata format for name [" + name + "]");
    TypedQuery<MetadataFormat> query = em.createNamedQuery("findMetadataFormatForName", MetadataFormat.class)
            .setParameter("name", name);
    List<MetadataFormat> formats = query.getResultList();
    if (formats.isEmpty()) {
        return null;
    }/*w ww  .  j  ava2  s .co m*/
    return formats.get(0);
}

From source file:fr.ortolang.diffusion.core.CoreServiceBean.java

@Override
@TransactionAttribute(TransactionAttributeType.SUPPORTS)
public MetadataFormat findMetadataFormatById(String id) throws CoreServiceException {
    MetadataFormat format = em.find(MetadataFormat.class, id);
    if (format == null) {
        throw new CoreServiceException("unable to find a metadata format for id " + id + " in the storage");
    }/*from w ww. jav a 2  s .  c  o  m*/
    return format;
}

From source file:fr.ortolang.diffusion.core.CoreServiceBean.java

@Override
@TransactionAttribute(TransactionAttributeType.SUPPORTS)
public InputStream download(String key)
        throws CoreServiceException, DataNotFoundException, KeyNotFoundException, AccessDeniedException {
    LOGGER.log(Level.FINE, "download content from store for object with key [" + key + "]");
    try {/*from w  w w .  j  a  va 2s  .c om*/
        String caller = membership.getProfileKeyForConnectedIdentifier();
        List<String> subjects = membership.getConnectedIdentifierSubjects();

        OrtolangObjectIdentifier identifier = registry.lookup(key);
        String hash;
        switch (identifier.getType()) {
        case DataObject.OBJECT_TYPE: {
            authorisation.checkPermission(key, subjects, "download");
            DataObject object = em.find(DataObject.class, identifier.getId());
            if (object == null) {
                throw new CoreServiceException(
                        "unable to load object with id [" + identifier.getId() + "] from storage");
            }
            hash = object.getStream();
            break;
        }
        case MetadataObject.OBJECT_TYPE: {
            authorisation.checkPermission(key, subjects, "read");
            MetadataObject object = em.find(MetadataObject.class, identifier.getId());
            if (object == null) {
                throw new CoreServiceException(
                        "unable to load metadata with id [" + identifier.getId() + "] from storage");
            }
            hash = object.getStream();
            break;
        }
        default:
            throw new CoreServiceException("unable to find downloadable content for key [" + key + "]");
        }
        if (hash != null && hash.length() > 0) {
            InputStream stream = binarystore.get(hash);
            ArgumentsBuilder argumentsBuilder = new ArgumentsBuilder("hash", hash);
            notification.throwEvent(key, caller, identifier.getType(),
                    OrtolangEvent.buildEventType(CoreService.SERVICE_NAME, identifier.getType(), "download"),
                    argumentsBuilder.build());
            return stream;
        } else {
            throw new DataNotFoundException("there is no preview available for this data object");
        }
    } catch (NotificationServiceException | BinaryStoreServiceException | MembershipServiceException
            | RegistryServiceException | AuthorisationServiceException e) {
        LOGGER.log(Level.SEVERE, "unexpected error occurred during getting preview content", e);
        throw new CoreServiceException("unable to get preview content", e);
    }
}

From source file:fr.ortolang.diffusion.core.CoreServiceBean.java

@Override
@TransactionAttribute(TransactionAttributeType.SUPPORTS)
public OrtolangObject findObject(String key) throws OrtolangException {
    try {/*  w w w .j av a 2s . c om*/
        OrtolangObjectIdentifier identifier = registry.lookup(key);

        if (!identifier.getService().equals(CoreService.SERVICE_NAME)) {
            throw new OrtolangException(
                    "object identifier " + identifier + " does not refer to service " + getServiceName());
        }

        switch (identifier.getType()) {
        case Workspace.OBJECT_TYPE:
            return readWorkspace(key);
        case DataObject.OBJECT_TYPE:
            return readDataObject(key);
        case Collection.OBJECT_TYPE:
            return readCollection(key);
        case Link.OBJECT_TYPE:
            return readLink(key);
        case MetadataObject.OBJECT_TYPE:
            return readMetadataObject(key);
        }

        throw new OrtolangException(
                "object identifier " + identifier + " does not refer to service " + getServiceName());
    } catch (CoreServiceException | RegistryServiceException | KeyNotFoundException e) {
        throw new OrtolangException("unable to find an object for key " + key);
    }
}

From source file:fr.ortolang.diffusion.core.CoreServiceBean.java

@Override
@TransactionAttribute(TransactionAttributeType.SUPPORTS)
public OrtolangObjectSize getSize(String key) throws OrtolangException {
    LOGGER.log(Level.FINE, "calculating size for object with key [" + key + "]");
    try {/*  ww  w  .j  a  v a 2  s  .  co m*/
        List<String> subjects = membership.getConnectedIdentifierSubjects();
        OrtolangObjectIdentifier cidentifier = registry.lookup(key);
        if (!cidentifier.getService().equals(CoreService.SERVICE_NAME)) {
            throw new OrtolangException(
                    "object identifier " + cidentifier + " does not refer to service " + getServiceName());
        }
        OrtolangObjectSize ortolangObjectSize = new OrtolangObjectSize();
        switch (cidentifier.getType()) {
        case DataObject.OBJECT_TYPE: {
            authorisation.checkPermission(key, subjects, "read");
            DataObject dataObject = em.find(DataObject.class, cidentifier.getId());
            ortolangObjectSize.addElement(DataObject.OBJECT_TYPE, dataObject.getSize());
            break;
        }
        case Collection.OBJECT_TYPE: {
            ortolangObjectSize = getCollectionSize(key, cidentifier, ortolangObjectSize, subjects);
            break;
        }
        case Workspace.OBJECT_TYPE: {
            authorisation.checkPermission(key, subjects, "read");
            Workspace workspace = em.find(Workspace.class, cidentifier.getId());
            ortolangObjectSize = getCollectionSize(workspace.getHead(), registry.lookup(workspace.getHead()),
                    ortolangObjectSize, subjects);
            for (SnapshotElement snapshotElement : workspace.getSnapshots()) {
                ortolangObjectSize = getCollectionSize(snapshotElement.getKey(),
                        registry.lookup(snapshotElement.getKey()), ortolangObjectSize, subjects);
            }
            ortolangObjectSize.addElement("members", workspace.getMembers().split(",").length);
            ortolangObjectSize.addElement("snapshots", workspace.getSnapshots().size());
            break;
        }
        }
        return ortolangObjectSize;
    } catch (CoreServiceException | MembershipServiceException | RegistryServiceException
            | AuthorisationServiceException | AccessDeniedException | KeyNotFoundException e) {
        LOGGER.log(Level.SEVERE, "unexpected error while calculating object size", e);
        throw new OrtolangException("unable to calculate size for object with key [" + key + "]", e);
    }
}

From source file:fr.ortolang.diffusion.core.CoreServiceBean.java

@Override
@TransactionAttribute(TransactionAttributeType.SUPPORTS)
public List<OrtolangObject> findObjectByBinaryHash(String hash) throws OrtolangException {
    try {//  w ww  .  j  a  v  a2 s. c o  m
        TypedQuery<DataObject> query = em.createNamedQuery("findObjectByBinaryHash", DataObject.class)
                .setParameter("hash", hash);
        List<DataObject> objects = query.getResultList();
        for (DataObject object : objects) {
            object.setKey(registry.lookup(object.getObjectIdentifier()));
        }
        TypedQuery<MetadataObject> query2 = em
                .createNamedQuery("findMetadataObjectByBinaryHash", MetadataObject.class)
                .setParameter("hash", hash);
        List<MetadataObject> objects2 = query2.getResultList();
        for (MetadataObject mobject : objects2) {
            mobject.setKey(registry.lookup(mobject.getObjectIdentifier()));
        }
        List<OrtolangObject> oobjects = new ArrayList<OrtolangObject>();
        oobjects.addAll(objects);
        oobjects.addAll(objects2);
        return oobjects;
    } catch (Exception e) {
        throw new OrtolangException("unable to find an object for hash " + hash);
    }
}