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


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


            nodeIdFactory = new NodeIdFactory(repConfig.getHomeDir());

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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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     *
     * @return the data store object
     */
    protected DataStore createDataStore() throws RepositoryException {
        DataStoreConfig dsc = repConfig.getDataStoreConfig();
        DataStore dataStore = (DataStore) dsc.newInstance();
        dataStore.init(repConfig.getHomeDir());
        return dataStore;
    }

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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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        new Random().nextBytes(data);


        DataIdentifier testDI = new DataIdentifier("test");
        DataRecord testDR = new ByteArrayDataRecord(data, testDI, "testReference");


        DataStore mockedDS = mock(DataStore.class);
        when(mockedDS.getMinRecordLength()).thenReturn(maxInlineSize);
        when(mockedDS.getRecord(testDI)).thenReturn(testDR);
        when(mockedDS.getRecordIfStored(testDI)).thenReturn(testDR);
        when(mockedDS.addRecord(any(InputStream.class))).thenReturn(testDR);
        DataStoreBlobStore ds = new DataStoreBlobStore(mockedDS);




        DataRecord dr = ds.addRecord(new ByteArrayInputStream(data));
        assertFalse(InMemoryDataRecord.isInstance(dr.getIdentifier().toString()));

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        String reference = "testReference";
        String blobId = "test";
        DataIdentifier testDI = new DataIdentifier(blobId);
        DataRecord testDR = new ByteArrayDataRecord("foo".getBytes(), testDI, reference);


        DataStore mockedDS = mock(DataStore.class);
        when(mockedDS.getRecordFromReference(reference)).thenReturn(testDR);
        when(mockedDS.getRecord(testDI)).thenReturn(testDR);
        DataStoreBlobStore ds = new DataStoreBlobStore(mockedDS);


        assertEquals(reference,ds.getReference(blobId));
        assertEquals(blobId, ds.getBlobId(reference));

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        DataIdentifier d10 = new DataIdentifier("d-10");
        DataIdentifier d20 = new DataIdentifier("d-20");
        DataIdentifier d30 = new DataIdentifier("d-30");
        List<DataIdentifier> dis = ImmutableList.of(d10, d20, d30);


        DataStore mockedDS = mock(DataStore.class);
        when(mockedDS.getAllIdentifiers()).thenReturn(dis.iterator());
        when(mockedDS.getRecord(new DataIdentifier("d-10"))).thenReturn(new TimeDataRecord(d10));
        when(mockedDS.getRecord(new DataIdentifier("d-20"))).thenReturn(new TimeDataRecord(d20));
        when(mockedDS.getRecord(new DataIdentifier("d-30"))).thenReturn(new TimeDataRecord(d30));
        DataStoreBlobStore ds = new DataStoreBlobStore(mockedDS);


        Iterator<String> chunks = ds.getAllChunkIds(25);
        Set<String> expected = Sets.newHashSet("d-10","d-20");
        assertEquals(expected, Sets.newHashSet(chunks));

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


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


            nodeIdFactory = new NodeIdFactory(repConfig.getHomeDir());

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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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