Examples of org.apache.jackrabbit.core.data.DataStore

org.apache.jackrabbit.core.data.DataStore
Append-only store for binary streams. A data store consists of a number of identifiable data records that each contain a distinct binary stream. New binary streams can be added to the data store, but existing streams are never removed or modified.
A data store should be fully thread-safe, i.e. it should be possible to add and access data records concurrently. Optimally even separate processes should be able to concurrently access the data store with zero interprocess synchronization.

            log.error("Error while closing Version Manager.", e);
        }


        repDescriptors.clear();


        DataStore dataStore = context.getDataStore();
        if (dataStore != null) {
            try {
                // close the datastore
                dataStore.close();
            } catch (DataStoreException e) {
                log.error("error while closing datastore", e);
            }
        }

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                    Node child = children.item(i);
                    if (child.getNodeType() == Node.ELEMENT_NODE
                            && DATA_STORE_ELEMENT.equals(child.getNodeName())) {
                        BeanConfig bc =
                            parseBeanConfig(parent, DATA_STORE_ELEMENT);
                        DataStore store = bc.newInstance(DataStore.class);
                        store.init(directory);
                        return store;
                    }
                }
                return null;
            }

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            // Create item state cache manager
            context.setItemStateCacheFactory(
                    new ManagedMLRUItemStateCacheFactory(cacheMgr));


            DataStore dataStore = repConfig.getDataStore();
            if (dataStore != null) {
                context.setDataStore(dataStore);
            }


            context.setWorkspaceManager(new WorkspaceManager(this));

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            log.error("Error while closing Version Manager.", e);
        }


        repDescriptors.clear();


        DataStore dataStore = context.getDataStore();
        if (dataStore != null) {
            try {
                // close the datastore
                dataStore.close();
            } catch (DataStoreException e) {
                log.error("error while closing datastore", e);
            }
        }

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    private Logger log = LoggerFactory.getLogger(getClass());


    private DataStore dataStore;


    protected void activate(ComponentContext context, Map<String, Object> config) throws RepositoryException {
        DataStore ds = createDataStore(context, config);


        String homeDir = lookup(context, PROP_HOME);
        if (homeDir != null) {
            log.info("Initializing the DataStore with homeDir [{}]", homeDir);
        }
        PropertiesUtil.populate(ds, config, false);
        ds.init(homeDir);
        this.dataStore = new DataStoreBlobStore(ds);


        Dictionary<String, String> props = new Hashtable<String, String>();
        props.put(Constants.SERVICE_PID, ds.getClass().getName());


        reg = context.getBundleContext().registerService(new String[]{
                DataStore.class.getName(),
                BlobStore.class.getName(),
                GarbageCollectableBlobStore.class.getName()

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            private BlobStore getBlobStore() {


                try {
                    String className = System.getProperty("dataStore");
                    if(className != null){
                        DataStore ds = Class.forName(className).asSubclass(DataStore.class).newInstance();
                        PropertiesUtil.populate(ds, getConfig(), false);
                        ds.init(null);
                        blobStore = new DataStoreBlobStore(ds);
                    }
                } catch (Exception e) {
                    throw new RuntimeException(e);
                }

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            // Create item state cache manager
            context.setItemStateCacheFactory(
                    new ManagedMLRUItemStateCacheFactory(cacheMgr));


            DataStore dataStore = repConfig.getDataStore();
            if (dataStore != null) {
                context.setDataStore(dataStore);
            }


            context.setWorkspaceManager(new WorkspaceManager(this));

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            log.error("Error while closing Version Manager.", e);
        }


        repDescriptors.clear();


        DataStore dataStore = context.getDataStore();
        if (dataStore != null) {
            try {
                // close the datastore
                dataStore.close();
            } catch (DataStoreException e) {
                log.error("error while closing datastore", e);
            }
        }

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    private Logger log = LoggerFactory.getLogger(getClass());


    private DataStore dataStore;


    protected void activate(ComponentContext context, Map<String, Object> config) throws RepositoryException {
        DataStore ds = createDataStore(context, config);
        boolean encodeLengthInId = PropertiesUtil.toBoolean(config.get(PROP_ENCODE_LENGTH), true);
        int cacheSizeInMB = PropertiesUtil.toInteger(config.get(PROP_CACHE_SIZE), DataStoreBlobStore.DEFAULT_CACHE_SIZE);
        String homeDir = lookup(context, PROP_HOME);
        if (homeDir != null) {
            log.info("Initializing the DataStore with homeDir [{}]", homeDir);
        }
        PropertiesUtil.populate(ds, config, false);
        ds.init(homeDir);
        this.dataStore = new DataStoreBlobStore(ds, encodeLengthInId, cacheSizeInMB);
        PropertiesUtil.populate(dataStore, config, false);


        Dictionary<String, String> props = new Hashtable<String, String>();
        props.put(Constants.SERVICE_PID, ds.getClass().getName());


        reg = context.getBundleContext().registerService(new String[]{
                BlobStore.class.getName(),
                GarbageCollectableBlobStore.class.getName()
        }, dataStore , props);

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    @Test
    public void testInlineBinary() throws DataStoreException, IOException {
        int maxInlineSize = 300;


        DataStore mockedDS = mock(DataStore.class);
        when(mockedDS.getMinRecordLength()).thenReturn(maxInlineSize);
        DataStoreBlobStore ds = new DataStoreBlobStore(mockedDS);


        byte[] data = new byte[maxInlineSize];
        new Random().nextBytes(data);

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