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

org.apache.jackrabbit.core.data.DataRecord
Immutable data record that consists of a binary stream.

        ds = createDataStore();
        ds.setSecret("12345");
        byte[] data = new byte[dataLength];
        randomGen.nextBytes(data);
        String reference;
        DataRecord record = ds.addRecord(new ByteArrayInputStream(data));
        reference = record.getReference();
        assertReference(data, reference, ds);
        ds.close();
    }

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        ArrayList<DataRecord> list = new ArrayList<DataRecord>();
        HashMap<DataRecord, Integer> map = new HashMap<DataRecord, Integer>();
        for (int i = 0; i < 10; i++) {
            int size = 1000000 - (i * 100);
            RandomInputStream in = new RandomInputStream(size + offset, size);
            DataRecord rec = ds.addRecord(in);
            list.add(rec);
            map.put(rec, new Integer(size));
        }
        Random random = new Random(1);
        for (int i = 0; i < list.size(); i++) {
            int pos = random.nextInt(list.size());
            DataRecord rec = list.get(pos);
            int size = map.get(rec);
            rec = ds.getRecord(rec.getIdentifier());
            assertEquals(size, rec.getLength());
            InputStream in = rec.getStream();
            RandomInputStream expected = new RandomInputStream(size + offset,
                size);
            if (random.nextBoolean()) {
                in = readInputStreamRandomly(in, random);
            }

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    /**
     * Assert inputstream read from reference.
     */
    protected void assertReference(byte[] expected, String reference,
            DataStore store) throws Exception {
        DataRecord record = store.getRecordFromReference(reference);
        assertNotNull(record);
        assertEquals(expected.length, record.getLength());


        InputStream stream = record.getStream();
        try {
            assertTrue("binary not equal",
                org.apache.commons.io.IOUtils.contentEquals(
                    new ByteArrayInputStream(expected), stream));
        } finally {

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    static BLOBInDataStore getInstance(DataStore store, DataIdentifier identifier) {
        return new BLOBInDataStore(store, identifier);
    }


    static BLOBInDataStore getInstance(DataStore store, InputStream in) throws DataStoreException {
        DataRecord rec = store.addRecord(in);
        DataIdentifier identifier = rec.getIdentifier();
        return new BLOBInDataStore(store, identifier);
    }

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            DbUtility.close(rs);
        }
    }


    public DataRecord getRecord(DataIdentifier identifier) throws DataStoreException {
        DataRecord record = getRecordIfStored(identifier);
        if (record == null) {
            throw new DataStoreException("Record not found: " + identifier);
        }
        return record;
    }

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     */
    protected void doAddRecordTest() throws Exception {
        CachingDataStore ds = createDataStore();
        byte[] data = new byte[12345];
        new Random(12345).nextBytes(data);
        DataRecord rec = ds.addRecord(new ByteArrayInputStream(data));
        assertEquals(data.length, rec.getLength());
        assertRecord(data, rec);
        ds.close();
    }

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     */
    protected void doGetRecordTest() throws Exception {
        CachingDataStore ds = createDataStore();
        byte[] data = new byte[12345];
        new Random(12345).nextBytes(data);
        DataRecord rec = ds.addRecord(new ByteArrayInputStream(data));
        rec = ds.getRecord(rec.getIdentifier());
        assertEquals(data.length, rec.getLength());
        assertRecord(data, rec);
        ds.close();
    }

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    protected void doDeleteRecordTest() throws Exception {
        CachingDataStore ds = createDataStore();
        Random random = new Random(12345);
        byte[] data1 = new byte[12345];
        random.nextBytes(data1);
        DataRecord rec1 = ds.addRecord(new ByteArrayInputStream(data1));


        byte[] data2 = new byte[12345];
        random.nextBytes(data2);
        DataRecord rec2 = ds.addRecord(new ByteArrayInputStream(data2));


        byte[] data3 = new byte[12345];
        random.nextBytes(data3);
        DataRecord rec3 = ds.addRecord(new ByteArrayInputStream(data3));


        ds.deleteRecord(rec2.getIdentifier());


        assertNull("rec2 should be null",
            ds.getRecordIfStored(rec2.getIdentifier()));
        assertEquals(new ByteArrayInputStream(data1),
            ds.getRecord(rec1.getIdentifier()).getStream());
        assertEquals(new ByteArrayInputStream(data3),
            ds.getRecord(rec3.getIdentifier()).getStream());
        ds.close();
    }

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        CachingDataStore ds = createDataStore();
        List<DataIdentifier> list = new ArrayList<DataIdentifier>();
        Random random = new Random(12345);
        byte[] data = new byte[12345];
        random.nextBytes(data);
        DataRecord rec = ds.addRecord(new ByteArrayInputStream(data));
        list.add(rec.getIdentifier());


        data = new byte[12345];
        random.nextBytes(data);
        rec = ds.addRecord(new ByteArrayInputStream(data));
        list.add(rec.getIdentifier());


        data = new byte[12345];
        random.nextBytes(data);
        rec = ds.addRecord(new ByteArrayInputStream(data));
        list.add(rec.getIdentifier());


        Iterator<DataIdentifier> itr = ds.getAllIdentifiers();
        while (itr.hasNext()) {
            assertTrue("record found on list", list.remove(itr.next()));
        }

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    protected void doUpdateLastModifiedOnAccessTest() throws Exception {
        CachingDataStore ds = createDataStore();
        Random random = new Random(12345);
        byte[] data = new byte[12345];
        random.nextBytes(data);
        DataRecord rec1 = ds.addRecord(new ByteArrayInputStream(data));


        data = new byte[12345];
        random.nextBytes(data);
        DataRecord rec2 = ds.addRecord(new ByteArrayInputStream(data));


        Thread.sleep(1000);
        long updateTime = System.currentTimeMillis();
        ds.updateModifiedDateOnAccess(updateTime);
        Thread.sleep(1000);
        data = new byte[12345];
        random.nextBytes(data);
        DataRecord rec3 = ds.addRecord(new ByteArrayInputStream(data));


        data = new byte[12345];
        random.nextBytes(data);
        DataRecord rec4 = ds.addRecord(new ByteArrayInputStream(data));


        rec1 = ds.getRecord(rec1.getIdentifier());


        assertEquals("rec1 touched", true,
            ds.getLastModified(rec1.getIdentifier()) > updateTime);
        assertEquals("rec2 not touched", true,
            ds.getLastModified(rec2.getIdentifier()) < updateTime);
        assertEquals("rec3 touched", true,
            ds.getLastModified(rec3.getIdentifier()) > updateTime);
        assertEquals("rec4 touched", true,
            ds.getLastModified(rec4.getIdentifier()) > updateTime);
        ds.close();


    }

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