Examples with ORawBuffer com.orientechnologies.orient.core.storage.ORawBuffer used on opensource projects

Example 21 with ORawBuffer

use of com.orientechnologies.orient.core.storage.ORawBuffer in project orientdb by orientechnologies.

the class LocalPaginatedClusterTest method testAllocatePositionMap.

public void testAllocatePositionMap() throws IOException {
    OPhysicalPosition position = paginatedCluster.allocatePosition((byte) 'd');
    Assert.assertTrue(position.clusterPosition >= 0);
    ORawBuffer rec = paginatedCluster.readRecord(position.clusterPosition, false);
    Assert.assertNull(rec);
    paginatedCluster.createRecord(new byte[20], 1, (byte) 'd', position);
    rec = paginatedCluster.readRecord(position.clusterPosition, false);
    Assert.assertNotNull(rec);
}

Example 22 with ORawBuffer

use of com.orientechnologies.orient.core.storage.ORawBuffer in project orientdb by orientechnologies.

the class LocalPaginatedClusterTest method testRemoveHalfBigRecords.

public void testRemoveHalfBigRecords() throws IOException {
    final int records = 5000;
    long seed = System.currentTimeMillis();
    Random mersenneTwisterFast = new Random(seed);
    System.out.println("testRemoveHalfBigRecords seed : " + seed);
    Map<Long, byte[]> positionRecordMap = new HashMap<Long, byte[]>();
    int recordVersion = 0;
    recordVersion++;
    recordVersion++;
    for (int i = 0; i < records; i++) {
        int recordSize = mersenneTwisterFast.nextInt(2 * OClusterPage.MAX_RECORD_SIZE) + OClusterPage.MAX_RECORD_SIZE + 1;
        byte[] bigRecord = new byte[recordSize];
        mersenneTwisterFast.nextBytes(bigRecord);
        final OPhysicalPosition physicalPosition = paginatedCluster.createRecord(bigRecord, recordVersion, (byte) 2, null);
        positionRecordMap.put(physicalPosition.clusterPosition, bigRecord);
    }
    int deletedRecords = 0;
    Assert.assertEquals(records, paginatedCluster.getEntries());
    Set<Long> deletedPositions = new HashSet<Long>();
    Iterator<Long> positionIterator = positionRecordMap.keySet().iterator();
    while (positionIterator.hasNext()) {
        long clusterPosition = positionIterator.next();
        if (mersenneTwisterFast.nextBoolean()) {
            deletedPositions.add(clusterPosition);
            Assert.assertTrue(paginatedCluster.deleteRecord(clusterPosition));
            deletedRecords++;
            Assert.assertEquals(records - deletedRecords, paginatedCluster.getEntries());
            positionIterator.remove();
        }
    }
    Assert.assertEquals(paginatedCluster.getEntries(), records - deletedRecords);
    for (long deletedPosition : deletedPositions) {
        Assert.assertNull(paginatedCluster.readRecord(deletedPosition, false));
        Assert.assertFalse(paginatedCluster.deleteRecord(deletedPosition));
    }
    for (Map.Entry<Long, byte[]> entry : positionRecordMap.entrySet()) {
        ORawBuffer rawBuffer = paginatedCluster.readRecord(entry.getKey(), false);
        Assert.assertNotNull(rawBuffer);
        Assert.assertEquals(rawBuffer.version, recordVersion);
        Assert.assertEquals(rawBuffer.buffer, entry.getValue());
        Assert.assertEquals(rawBuffer.recordType, 2);
    }
}

Example 23 with ORawBuffer

use of com.orientechnologies.orient.core.storage.ORawBuffer in project orientdb by orientechnologies.

the class LocalPaginatedClusterTest method testUpdateOneBigRecord.

public void testUpdateOneBigRecord() throws IOException {
    byte[] bigRecord = new byte[2 * 65536 + 100];
    Random mersenneTwisterFast = new Random();
    mersenneTwisterFast.nextBytes(bigRecord);
    int recordVersion = 0;
    recordVersion++;
    recordVersion++;
    OPhysicalPosition physicalPosition = paginatedCluster.createRecord(bigRecord, recordVersion, (byte) 1, null);
    Assert.assertEquals(physicalPosition.clusterPosition, 0);
    recordVersion++;
    bigRecord = new byte[2 * 65536 + 20];
    mersenneTwisterFast.nextBytes(bigRecord);
    paginatedCluster.updateRecord(physicalPosition.clusterPosition, bigRecord, recordVersion, (byte) 2);
    ORawBuffer rawBuffer = paginatedCluster.readRecord(physicalPosition.clusterPosition, false);
    Assert.assertNotNull(rawBuffer);
    Assert.assertEquals(rawBuffer.version, recordVersion);
    Assert.assertEquals(rawBuffer.buffer, bigRecord);
    Assert.assertEquals(rawBuffer.recordType, 2);
}

Example 24 with ORawBuffer

use of com.orientechnologies.orient.core.storage.ORawBuffer in project orientdb by orientechnologies.

the class LocalPaginatedClusterTest method testUpdateOneSmallRecordVersionIsLowerCurrentOne.

public void testUpdateOneSmallRecordVersionIsLowerCurrentOne() throws IOException {
    byte[] smallRecord = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
    int recordVersion = 0;
    recordVersion++;
    recordVersion++;
    OPhysicalPosition physicalPosition = paginatedCluster.createRecord(smallRecord, recordVersion, (byte) 1, null);
    Assert.assertEquals(physicalPosition.clusterPosition, 0);
    int updateRecordVersion = 0;
    updateRecordVersion++;
    smallRecord = new byte[] { 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3 };
    paginatedCluster.updateRecord(physicalPosition.clusterPosition, smallRecord, updateRecordVersion, (byte) 2);
    ORawBuffer rawBuffer = paginatedCluster.readRecord(physicalPosition.clusterPosition, false);
    Assert.assertNotNull(rawBuffer);
    Assert.assertEquals(rawBuffer.version, updateRecordVersion);
    Assert.assertEquals(rawBuffer.buffer, smallRecord);
    Assert.assertEquals(rawBuffer.recordType, 2);
}

Example 25 with ORawBuffer

use of com.orientechnologies.orient.core.storage.ORawBuffer in project orientdb by orientechnologies.

the class LocalPaginatedClusterTest method testManyAllocatePositionMap.

public void testManyAllocatePositionMap() throws IOException {
    final int records = 10000;
    List<OPhysicalPosition> positions = new ArrayList<OPhysicalPosition>();
    for (int i = 0; i < records; i++) {
        OPhysicalPosition position = paginatedCluster.allocatePosition((byte) 'd');
        Assert.assertTrue(position.clusterPosition >= 0);
        ORawBuffer rec = paginatedCluster.readRecord(position.clusterPosition, false);
        Assert.assertNull(rec);
        positions.add(position);
    }
    for (int i = 0; i < records; i++) {
        OPhysicalPosition position = positions.get(i);
        paginatedCluster.createRecord(new byte[20], 1, (byte) 'd', position);
        ORawBuffer rec = paginatedCluster.readRecord(position.clusterPosition, false);
        Assert.assertNotNull(rec);
    }
}