Examples with DataStoreException org.apache.jackrabbit.core.data.DataStoreException used on opensource projects

Example 21 with DataStoreException

use of org.apache.jackrabbit.core.data.DataStoreException in project jackrabbit by apache.

the class DbDataStore method getAllIdentifiers.

public Iterator<DataIdentifier> getAllIdentifiers() throws DataStoreException {
    ArrayList<DataIdentifier> list = new ArrayList<DataIdentifier>();
    ResultSet rs = null;
    try {
        // SELECT ID FROM DATASTORE
        rs = conHelper.query(selectAllSQL);
        while (rs.next()) {
            String id = rs.getString(1);
            if (!id.startsWith(TEMP_PREFIX)) {
                DataIdentifier identifier = new DataIdentifier(id);
                list.add(identifier);
            }
        }
        log.debug("Found " + list.size() + " identifiers.");
        return list.iterator();
    } catch (Exception e) {
        throw convert("Can not read records", e);
    } finally {
        DbUtility.close(rs);
    }
}

Example 22 with DataStoreException

use of org.apache.jackrabbit.core.data.DataStoreException in project jackrabbit by apache.

the class DbDataStore method openStream.

/**
     * Open the input stream. This method sets those fields of the caller
     * that need to be closed once the input stream is read.
     *
     * @param inputStream the database input stream object
     * @param identifier data identifier
     * @throws DataStoreException if the data store could not be accessed,
     *          or if the given identifier is invalid
     */
InputStream openStream(DbInputStream inputStream, DataIdentifier identifier) throws DataStoreException {
    ResultSet rs = null;
    try {
        // SELECT ID, DATA FROM DATASTORE WHERE ID = ?
        rs = conHelper.query(selectDataSQL, identifier.toString());
        if (!rs.next()) {
            throw new DataStoreException("Record not found: " + identifier);
        }
        InputStream stream = rs.getBinaryStream(2);
        if (stream == null) {
            stream = new ByteArrayInputStream(new byte[0]);
            DbUtility.close(rs);
        } else if (copyWhenReading) {
            // If we copy while reading, create a temp file and close the stream
            File temp = moveToTempFile(stream);
            stream = new BufferedInputStream(new TempFileInputStream(temp));
            DbUtility.close(rs);
        } else {
            stream = new BufferedInputStream(stream);
            inputStream.setResultSet(rs);
        }
        return stream;
    } catch (Exception e) {
        DbUtility.close(rs);
        throw convert("Retrieving database resource ", e);
    }
}

Example 23 with DataStoreException

use of org.apache.jackrabbit.core.data.DataStoreException in project jackrabbit-oak by apache.

the class AzureBlobStoreBackend method write.

@Override
public void write(DataIdentifier identifier, File file) throws DataStoreException {
    if (null == identifier) {
        throw new NullPointerException("identifier");
    }
    if (null == file) {
        throw new NullPointerException("file");
    }
    String key = getKeyName(identifier);
    long start = System.currentTimeMillis();
    ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
    try {
        Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
        long len = file.length();
        LOG.debug("Blob write started. identifier={} length={}", key, len);
        CloudBlockBlob blob = getAzureContainer().getBlockBlobReference(key);
        if (!blob.exists()) {
            BlobRequestOptions options = new BlobRequestOptions();
            options.setConcurrentRequestCount(concurrentRequestCount);
            boolean useBufferedStream = len < BUFFERED_STREAM_THRESHHOLD;
            final InputStream in = useBufferedStream ? new BufferedInputStream(new FileInputStream(file)) : new FileInputStream(file);
            try {
                blob.upload(in, len, null, options, null);
                LOG.debug("Blob created. identifier={} length={} duration={} buffered={}", key, len, (System.currentTimeMillis() - start), useBufferedStream);
            } finally {
                in.close();
            }
            return;
        }
        blob.downloadAttributes();
        if (blob.getProperties().getLength() != len) {
            throw new DataStoreException("Length Collision. identifier=" + key + " new length=" + len + " old length=" + blob.getProperties().getLength());
        }
        LOG.trace("Blob already exists. identifier={} lastModified={}", key, blob.getProperties().getLastModified().getTime());
        blob.startCopy(blob);
        //TODO: better way of updating lastModified (use custom metadata?)
        if (!waitForCopy(blob)) {
            throw new DataStoreException(String.format("Cannot update lastModified for blob. identifier=%s status=%s", key, blob.getCopyState().getStatusDescription()));
        }
        LOG.debug("Blob updated. identifier={} lastModified={} duration={}", key, blob.getProperties().getLastModified().getTime(), (System.currentTimeMillis() - start));
    } catch (StorageException e) {
        LOG.info("Error writing blob. identifier={}", key, e);
        throw new DataStoreException(String.format("Cannot write blob. identifier=%s", key), e);
    } catch (URISyntaxException | IOException e) {
        LOG.debug("Error writing blob. identifier={}", key, e);
        throw new DataStoreException(String.format("Cannot write blob. identifier=%s", key), e);
    } catch (InterruptedException e) {
        LOG.debug("Error writing blob. identifier={}", key, e);
        throw new DataStoreException(String.format("Cannot copy blob. identifier=%s", key), e);
    } finally {
        if (null != contextClassLoader) {
            Thread.currentThread().setContextClassLoader(contextClassLoader);
        }
    }
}

Example 24 with DataStoreException

use of org.apache.jackrabbit.core.data.DataStoreException in project jackrabbit-oak by apache.

the class AzureBlobStoreBackend method init.

@Override
public void init() throws DataStoreException {
    ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
    long start = System.currentTimeMillis();
    try {
        Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
        LOG.debug("Started backend initialization");
        if (null == properties) {
            try {
                properties = Utils.readConfig(Utils.DEFAULT_CONFIG_FILE);
            } catch (IOException e) {
                throw new DataStoreException("Unable to initialize Azure Data Store from " + Utils.DEFAULT_CONFIG_FILE, e);
            }
        }
        secret = properties.getProperty("secret");
        try {
            Utils.setProxyIfNeeded(properties);
            containerName = (String) properties.get(AzureConstants.AZURE_BLOB_CONTAINER_NAME);
            connectionString = Utils.getConnectionStringFromProperties(properties);
            concurrentRequestCount = PropertiesUtil.toInteger(properties.get(AzureConstants.AZURE_BLOB_CONCURRENT_REQUESTS_PER_OPERATION), 1);
            LOG.info("Using concurrentRequestsPerOperation={}", concurrentRequestCount);
            retryPolicy = Utils.getRetryPolicy((String) properties.get(AzureConstants.AZURE_BLOB_MAX_REQUEST_RETRY));
            if (properties.getProperty(AzureConstants.AZURE_BLOB_REQUEST_TIMEOUT) != null) {
                requestTimeout = PropertiesUtil.toInteger(properties.getProperty(AzureConstants.AZURE_BLOB_REQUEST_TIMEOUT), RetryPolicy.DEFAULT_CLIENT_RETRY_COUNT);
            }
            CloudBlobContainer azureContainer = getAzureContainer();
            if (azureContainer.createIfNotExists()) {
                LOG.info("New container created. containerName={}", containerName);
            } else {
                LOG.info("Reusing existing container. containerName={}", containerName);
            }
            LOG.debug("Backend initialized. duration={}", +(System.currentTimeMillis() - start));
        } catch (StorageException e) {
            throw new DataStoreException(e);
        }
    } finally {
        Thread.currentThread().setContextClassLoader(contextClassLoader);
    }
}

Example 25 with DataStoreException

use of org.apache.jackrabbit.core.data.DataStoreException in project jackrabbit-oak by apache.

the class AzureBlobStoreBackend method deleteMetadataRecord.

@Override
public boolean deleteMetadataRecord(String name) {
    long start = System.currentTimeMillis();
    ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
    try {
        Thread.currentThread().setContextClassLoader(getClass().getClassLoader());
        CloudBlockBlob blob = getAzureContainer().getBlockBlobReference(addMetaKeyPrefix(name));
        boolean result = blob.deleteIfExists();
        LOG.debug("Metadata record {}. metadataName={} duration={}", result ? "deleted" : "delete requested, but it does not exist (perhaps already deleted)", name, (System.currentTimeMillis() - start));
        return result;
    } catch (StorageException e) {
        LOG.info("Error deleting metadata record. metadataName={}", name, e);
    } catch (DataStoreException | URISyntaxException e) {
        LOG.debug("Error deleting metadata record. metadataName={}", name, e);
    } finally {
        if (contextClassLoader != null) {
            Thread.currentThread().setContextClassLoader(contextClassLoader);
        }
    }
    return false;
}