Examples with DelaException io.hops.hopsworks.exceptions.DelaException used on opensource projects

Example 26 with DelaException

use of io.hops.hopsworks.exceptions.DelaException in project hopsworks by logicalclocks.

the class DelaHdfsController method write.

public void write(Project project, Users user, Path filePath, byte[] fileContent) throws DelaException {
    String hdfsUser = hdfsUsersBean.getHdfsUserName(project, user);
    DistributedFileSystemOps dfso = dfs.getDfsOps(hdfsUser);
    try {
        if (dfso.exists(filePath)) {
            throw new DelaException(RESTCodes.DelaErrorCode.ACCESS_ERROR, Level.FINE, DelaException.Source.HDFS, "file exists");
        }
    } catch (IOException ex) {
        throw new DelaException(RESTCodes.DelaErrorCode.ACCESS_ERROR, Level.SEVERE, DelaException.Source.HDFS, "cannot read", ex.getMessage(), ex);
    }
    FSDataOutputStream out = null;
    try {
        out = dfso.create(filePath);
        out.write(fileContent);
        out.flush();
    } catch (IOException ex) {
        throw new DelaException(RESTCodes.DelaErrorCode.ACCESS_ERROR, Level.SEVERE, DelaException.Source.HDFS, "cannot write", ex.getMessage(), ex);
    } finally {
        if (out != null) {
            try {
                out.close();
            } catch (IOException ex) {
                throw new DelaException(RESTCodes.DelaErrorCode.ACCESS_ERROR, Level.SEVERE, DelaException.Source.HDFS, "cannot close", ex.getMessage(), ex);
            }
        }
    }
}

Example 27 with DelaException

use of io.hops.hopsworks.exceptions.DelaException in project hopsworks by logicalclocks.

the class DelaDatasetController method download.

public Dataset download(Project project, Users user, String publicDSId, String name) throws DelaException, ProvenanceException {
    Dataset dataset;
    try {
        dataset = createDataset(user, project, name, "");
    } catch (DatasetException | HopsSecurityException e) {
        throw new DelaException(RESTCodes.DelaErrorCode.THIRD_PARTY_ERROR, Level.SEVERE, DelaException.Source.LOCAL, null, e.getMessage(), e);
    }
    dataset.setPublicDsState(SharedState.HOPS);
    dataset.setPublicDsId(publicDSId);
    // datasetController.setPermissions();
    // dataset.setEditable(DatasetPermissions.OWNER_ONLY);
    datasetFacade.merge(dataset);
    datasetCtrl.logDataset(project, dataset, OperationType.Update);
    return dataset;
}

Example 28 with DelaException

use of io.hops.hopsworks.exceptions.DelaException in project hopsworks by logicalclocks.

the class DelaSetupWorker method delaContact.

private void delaContact(Timer timer) {
    LOGGER.log(Level.INFO, "{0} - state:{1}", new Object[] { DelaException.Source.HOPS_SITE, state });
    AddressJSON delaTransferEndpoint;
    try {
        delaTransferEndpoint = SettingsHelper.delaTransferEndpoint(settings);
    } catch (DelaException tpe) {
        try {
            delaTransferEndpoint = getDelaTransferEndpoint(delaVersion);
            delaStateCtrl.transferDelaContacted();
            settings.setDELA_PUBLIC_ENDPOINT(delaTransferEndpoint);
            timer = resetToRegister(timer);
            hopsSiteRegister(timer, delaTransferEndpoint);
        } catch (DelaException tpe2) {
            LOGGER.log(Level.WARNING, "{0} - source:<{1}>:{2}", new Object[] { DelaException.Source.HOPS_SITE, tpe2.getSource(), tpe2.getMessage() });
            timer = tryAgainLater(timer);
        }
    }
}

Example 29 with DelaException

use of io.hops.hopsworks.exceptions.DelaException in project hopsworks by logicalclocks.

the class DelaSetupWorker method hopsSiteRegister.

private void hopsSiteRegister(Timer timer) {
    LOGGER.log(Level.INFO, "{0} - state:{1}", new Object[] { DelaException.Source.HOPS_SITE, state });
    AddressJSON delaTransferEndpoint;
    try {
        delaTransferEndpoint = SettingsHelper.delaTransferEndpoint(settings);
    } catch (DelaException ex) {
        timer = resetToDelaContact(timer);
        return;
    }
    try {
        hopsSiteRegister(timer, delaTransferEndpoint);
    } catch (DelaException tpe) {
        LOGGER.log(Level.WARNING, "{0} - source:<{1}>:{2}", new Object[] { DelaException.Source.HOPS_SITE, tpe.getSource(), tpe.getMessage() });
        timer = tryAgainLater(timer);
    }
}

Example 30 with DelaException

use of io.hops.hopsworks.exceptions.DelaException in project hopsworks by logicalclocks.

the class DelaHdfsController method read.

public byte[] read(DistributedFileSystemOps dfso, Path filePath) throws DelaException {
    try {
        if (!dfso.exists(filePath)) {
            throw new DelaException(RESTCodes.DelaErrorCode.ACCESS_ERROR, Level.FINE, DelaException.Source.HDFS, "file does not exist");
        }
    } catch (IOException ex) {
        throw new DelaException(RESTCodes.DelaErrorCode.ACCESS_ERROR, Level.SEVERE, DelaException.Source.HDFS, "cannot read", ex.getMessage(), ex);
    }
    FSDataInputStream fdi = null;
    try {
        fdi = dfso.open(filePath);
        long fileLength = dfso.getLength(filePath);
        byte[] fileContent = new byte[(int) fileLength];
        fdi.readFully(fileContent);
        return fileContent;
    } catch (IOException ex) {
        throw new DelaException(RESTCodes.DelaErrorCode.ACCESS_ERROR, Level.SEVERE, DelaException.Source.HDFS, "cannot read", ex.getMessage(), ex);
    } finally {
        if (fdi != null) {
            try {
                fdi.close();
            } catch (IOException ex) {
                throw new DelaException(RESTCodes.DelaErrorCode.ACCESS_ERROR, Level.SEVERE, DelaException.Source.HDFS, "cannot close", ex.getMessage(), ex);
            }
        }
    }
}