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

Example 41 with OWALChangesTree

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

the class ClusterPageTest method testAddBigRecordDeleteAndAddSmallRecords.

public void testAddBigRecordDeleteAndAddSmallRecords() 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 {
        final long seed = System.currentTimeMillis();
        OClusterPage localPage = new OClusterPage(cacheEntry, true, new OWALChangesTree());
        OClusterPage directLocalPage = new OClusterPage(directCacheEntry, true, null);
        addBigRecordDeleteAndAddSmallRecords(seed, localPage);
        addBigRecordDeleteAndAddSmallRecords(seed, directLocalPage);
        assertChangesTracking(localPage, directBuffer, bufferPool);
    } finally {
        cacheEntry.releaseExclusiveLock();
        directCacheEntry.releaseExclusiveLock();
        cachePointer.decrementReferrer();
        directCachePointer.decrementReferrer();
    }
}