Examples with OLogSequenceNumber com.orientechnologies.orient.core.storage.impl.local.paginated.wal.OLogSequenceNumber used on opensource projects

Example 1 with OLogSequenceNumber

use of com.orientechnologies.orient.core.storage.impl.local.paginated.wal.OLogSequenceNumber in project orientdb by orientechnologies.

the class OLocalPaginatedStorage method copyWALToIncrementalBackup.

@Override
protected OLogSequenceNumber copyWALToIncrementalBackup(ZipOutputStream zipOutputStream, long startSegment) throws IOException {
    File[] nonActiveSegments;
    OLogSequenceNumber lastLSN;
    long freezeId = getAtomicOperationsManager().freezeAtomicOperations(null, null);
    try {
        lastLSN = writeAheadLog.end();
        writeAheadLog.newSegment();
        nonActiveSegments = writeAheadLog.nonActiveSegments(startSegment);
    } finally {
        getAtomicOperationsManager().releaseAtomicOperations(freezeId);
    }
    for (final File nonActiveSegment : nonActiveSegments) {
        final FileInputStream fileInputStream = new FileInputStream(nonActiveSegment);
        try {
            final BufferedInputStream bufferedInputStream = new BufferedInputStream(fileInputStream);
            try {
                final ZipEntry entry = new ZipEntry(nonActiveSegment.getName());
                zipOutputStream.putNextEntry(entry);
                try {
                    final byte[] buffer = new byte[4096];
                    int br = 0;
                    while ((br = bufferedInputStream.read(buffer)) >= 0) {
                        zipOutputStream.write(buffer, 0, br);
                    }
                } finally {
                    zipOutputStream.closeEntry();
                }
            } finally {
                bufferedInputStream.close();
            }
        } finally {
            fileInputStream.close();
        }
    }
    return lastLSN;
}

Example 2 with OLogSequenceNumber

use of com.orientechnologies.orient.core.storage.impl.local.paginated.wal.OLogSequenceNumber in project orientdb by orientechnologies.

the class ClusterPageTest method assertChangesTracking.

private void assertChangesTracking(OClusterPage localPage, ByteBuffer buffer, OByteBufferPool bufferPool) throws IOException {
    ByteBuffer restoredBuffer = bufferPool.acquireDirect(true);
    OCachePointer cachePointer = new OCachePointer(restoredBuffer, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    cachePointer.incrementReferrer();
    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    cacheEntry.acquireExclusiveLock();
    try {
        OClusterPage restoredPage = new OClusterPage(cacheEntry, false, null);
        OWALChanges changes = localPage.getChanges();
        restoredPage.restoreChanges(changes);
        Assert.assertEquals(getBytes(restoredBuffer, SYSTEM_OFFSET, OClusterPage.PAGE_SIZE - SYSTEM_OFFSET), getBytes(buffer, SYSTEM_OFFSET, OClusterPage.PAGE_SIZE - SYSTEM_OFFSET));
    } finally {
        cacheEntry.releaseExclusiveLock();
        cachePointer.decrementReferrer();
    }
}

Example 3 with OLogSequenceNumber

use of com.orientechnologies.orient.core.storage.impl.local.paginated.wal.OLogSequenceNumber in project orientdb by orientechnologies.

the class ClusterPageTest method testReplaceOneRecordLowerVersion.

public void testReplaceOneRecordLowerVersion() throws Exception {
    OByteBufferPool bufferPool = OByteBufferPool.instance();
    ByteBuffer buffer = bufferPool.acquireDirect(true);
    OCachePointer cachePointer = new OCachePointer(buffer, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    cachePointer.incrementReferrer();
    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    cacheEntry.acquireExclusiveLock();
    ByteBuffer directBuffer = bufferPool.acquireDirect(true);
    OCachePointer directCachePointer = new OCachePointer(directBuffer, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    directCachePointer.incrementReferrer();
    OCacheEntry directCacheEntry = new OCacheEntry(0, 0, directCachePointer, false);
    directCacheEntry.acquireExclusiveLock();
    try {
        OClusterPage localPage = new OClusterPage(cacheEntry, true, new OWALChangesTree());
        OClusterPage directLocalPage = new OClusterPage(directCacheEntry, true, null);
        replaceOneRecordLowerVersion(localPage);
        replaceOneRecordLowerVersion(directLocalPage);
        assertChangesTracking(localPage, directBuffer, bufferPool);
    } finally {
        cacheEntry.releaseExclusiveLock();
        directCacheEntry.releaseExclusiveLock();
        cachePointer.decrementReferrer();
        directCachePointer.decrementReferrer();
    }
}

Example 4 with OLogSequenceNumber

use of com.orientechnologies.orient.core.storage.impl.local.paginated.wal.OLogSequenceNumber in project orientdb by orientechnologies.

the class ClusterPageTest method testDeleteAddEqualVersion.

public void testDeleteAddEqualVersion() throws Exception {
    OByteBufferPool bufferPool = OByteBufferPool.instance();
    ByteBuffer buffer = bufferPool.acquireDirect(true);
    OCachePointer cachePointer = new OCachePointer(buffer, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    cachePointer.incrementReferrer();
    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    cacheEntry.acquireExclusiveLock();
    ByteBuffer directBuffer = bufferPool.acquireDirect(true);
    OCachePointer directCachePointer = new OCachePointer(directBuffer, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    directCachePointer.incrementReferrer();
    OCacheEntry directCacheEntry = new OCacheEntry(0, 0, directCachePointer, false);
    directCacheEntry.acquireExclusiveLock();
    try {
        OClusterPage localPage = new OClusterPage(cacheEntry, true, new OWALChangesTree());
        OClusterPage directLocalPage = new OClusterPage(directCacheEntry, true, null);
        deleteAddEqualVersion(localPage);
        deleteAddEqualVersion(directLocalPage);
        assertChangesTracking(localPage, directBuffer, bufferPool);
    } finally {
        cacheEntry.releaseExclusiveLock();
        directCacheEntry.releaseExclusiveLock();
        cachePointer.decrementReferrer();
        directCachePointer.decrementReferrer();
    }
}

Example 5 with OLogSequenceNumber

use of com.orientechnologies.orient.core.storage.impl.local.paginated.wal.OLogSequenceNumber in project orientdb by orientechnologies.

the class ClusterPageTest method testDeleteAddLowerVersion.

public void testDeleteAddLowerVersion() throws Exception {
    OByteBufferPool bufferPool = OByteBufferPool.instance();
    ByteBuffer buffer = bufferPool.acquireDirect(true);
    OCachePointer cachePointer = new OCachePointer(buffer, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    cachePointer.incrementReferrer();
    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    cacheEntry.acquireExclusiveLock();
    ByteBuffer directBuffer = bufferPool.acquireDirect(true);
    OCachePointer directCachePointer = new OCachePointer(directBuffer, bufferPool, new OLogSequenceNumber(0, 0), 0, 0);
    directCachePointer.incrementReferrer();
    OCacheEntry directCacheEntry = new OCacheEntry(0, 0, directCachePointer, false);
    directCacheEntry.acquireExclusiveLock();
    try {
        OClusterPage localPage = new OClusterPage(cacheEntry, true, new OWALChangesTree());
        OClusterPage directLocalPage = new OClusterPage(directCacheEntry, true, null);
        deleteAddLowerVersion(localPage);
        deleteAddLowerVersion(directLocalPage);
        assertChangesTracking(localPage, directBuffer, bufferPool);
    } finally {
        cacheEntry.releaseExclusiveLock();
        directCacheEntry.releaseExclusiveLock();
        cachePointer.decrementReferrer();
        directCachePointer.decrementReferrer();
    }
}