Package com.orientechnologies.common.directmemory

Examples of com.orientechnologies.common.directmemory.ODirectMemoryPointer

314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
      OLogSequenceNumber lsn = null;

      while (pos < record.length) {
        if (currentPage == null) {
          ODirectMemoryPointer pointer = new ODirectMemoryPointer(OWALPage.PAGE_SIZE);
          currentPage = new OWALPage(pointer, true);
          pagesCache.add(currentPage);
          filledUpTo += OWALPage.RECORDS_OFFSET;
        }

        int freeSpace = currentPage.getFreeSpace();
        if (freeSpace < OWALPage.MIN_RECORD_SIZE) {
          filledUpTo += freeSpace + OWALPage.RECORDS_OFFSET;
          ODirectMemoryPointer pointer = new ODirectMemoryPointer(OWALPage.PAGE_SIZE);
          currentPage = new OWALPage(pointer, true);
          pagesCache.add(currentPage);
          pageIndex++;

          freeSpace = currentPage.getFreeSpace();
View Full Code Here
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
        }

        if (!checkPageIntegrity(pageContent))
          throw new OWALPageBrokenException("WAL page with index " + pageIndex + " is broken.");

        ODirectMemoryPointer pointer = new ODirectMemoryPointer(pageContent);
        try {
          OWALPage page = new OWALPage(pointer, false);

          byte[] content = page.getRecord(pageOffset);
          if (record == null)
            record = content;
          else {
            byte[] oldRecord = record;

            record = new byte[record.length + content.length];
            System.arraycopy(oldRecord, 0, record, 0, oldRecord.length);
            System.arraycopy(content, 0, record, oldRecord.length, record.length - oldRecord.length);
          }

          if (page.mergeWithNextPage(pageOffset)) {
            pageOffset = OWALPage.RECORDS_OFFSET;
            pageIndex++;
            if (pageIndex >= pageCount)
              throw new OWALPageBrokenException("WAL page with index " + pageIndex + " is broken.");
          } else {
            if (page.getFreeSpace() >= OWALPage.MIN_RECORD_SIZE && pageIndex < pageCount - 1)
              throw new OWALPageBrokenException("WAL page with index " + pageIndex + " is broken.");

            break;
          }
        } finally {
          pointer.free();
        }
      }

      lastReadRecord = new WeakReference<OPair<OLogSequenceNumber, byte[]>>(new OPair<OLogSequenceNumber, byte[]>(lsn, record));
      return record;
View Full Code Here
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
        rndFile.seek((pagesCount - 1) * OWALPage.PAGE_SIZE);
        byte[] content = new byte[OWALPage.PAGE_SIZE];
        rndFile.readFully(content);

        if (checkPageIntegrity(content)) {
          ODirectMemoryPointer pointer = new ODirectMemoryPointer(content);
          currentPage = new OWALPage(pointer, false);
          filledUpTo = (pagesCount - 1) * OWALPage.PAGE_SIZE + currentPage.getFilledUpTo();
          nextPositionToFlush = (pagesCount - 1) * OWALPage.PAGE_SIZE;
        } else {
          ODirectMemoryPointer pointer = new ODirectMemoryPointer(OWALPage.PAGE_SIZE);
          currentPage = new OWALPage(pointer, true);
          filledUpTo = pagesCount * OWALPage.PAGE_SIZE + currentPage.getFilledUpTo();
          nextPositionToFlush = pagesCount * OWALPage.PAGE_SIZE;
        }

View Full Code Here
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
                pendingLSNToFlush = new OLogSequenceNumber(order, filePointer + flushedPages * OWALPage.PAGE_SIZE + pos);

              pos += page.getSerializedRecordSize(pos);
            }

            ODirectMemoryPointer dataPointer;
            if (flushedPages == maxSize - 1) {
              dataPointer = new ODirectMemoryPointer(OWALPage.PAGE_SIZE);
              page.getPagePointer().moveData(0, dataPointer, 0, OWALPage.PAGE_SIZE);
            } else {
              dataPointer = page.getPagePointer();
            }

            pagesToFlush[flushedPages] = dataPointer;
          }

          flushedPages++;
        }

        synchronized (rndFile) {
          rndFile.seek(filePointer);
          for (int i = 0; i < pagesToFlush.length; i++) {
            ODirectMemoryPointer dataPointer = pagesToFlush[i];
            byte[] pageContent = dataPointer.get(0, OWALPage.PAGE_SIZE);
            if (i == pagesToFlush.length - 1)
              dataPointer.free();

            flushPage(pageContent);
            filePointer += OWALPage.PAGE_SIZE;
          }

View Full Code Here
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
    if (fileClassic == null)
      throw new IllegalArgumentException("File with id " + fileId + " not found in WOW Cache");

    if (fileClassic.getFilledUpTo() >= endPosition) {
      fileClassic.read(startPosition, content, content.length - 2 * PAGE_PADDING, PAGE_PADDING);
      final ODirectMemoryPointer pointer = new ODirectMemoryPointer(content);

      final OLogSequenceNumber storedLSN = ODurablePage.getLogSequenceNumberFromPage(pointer);
      dataPointer = new OCachePointer(pointer, storedLSN);
    } else {
      fileClassic.allocateSpace((int) (endPosition - fileClassic.getFilledUpTo()));

      final ODirectMemoryPointer pointer = new ODirectMemoryPointer(content);
      dataPointer = new OCachePointer(pointer, new OLogSequenceNumber(0, -1));
    }

    return dataPointer;
  }
View Full Code Here
23
24
25
26
27
28
29
30
31
32
33
@Test
public class ClusterPageTest {
  private static final int SYSTEM_OFFSET = 24;

  public void testAddOneRecord() throws Exception {
    ODirectMemoryPointer pagePointer = new ODirectMemoryPointer(new byte[OClusterPage.PAGE_SIZE + ODurablePage.PAGE_PADDING]);
    OCachePointer cachePointer = new OCachePointer(pagePointer, new OLogSequenceNumber(0, 0));
    cachePointer.incrementReferrer();

    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    try {
View Full Code Here
54
55
56
57
58
59
60
61
62
63
64
      cachePointer.decrementReferrer();
    }
  }

  public void testAddTreeRecords() throws Exception {
    ODirectMemoryPointer pagePointer = new ODirectMemoryPointer(new byte[OClusterPage.PAGE_SIZE + ODurablePage.PAGE_PADDING]);
    OCachePointer cachePointer = new OCachePointer(pagePointer, new OLogSequenceNumber(0, 0));
    cachePointer.incrementReferrer();

    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    try {
View Full Code Here
101
102
103
104
105
106
107
108
109
110
111
      cachePointer.decrementReferrer();
    }
  }

  public void testAddFullPage() throws Exception {
    ODirectMemoryPointer pagePointer = new ODirectMemoryPointer(new byte[OClusterPage.PAGE_SIZE + ODurablePage.PAGE_PADDING]);
    OCachePointer cachePointer = new OCachePointer(pagePointer, new OLogSequenceNumber(0, 0));
    cachePointer.incrementReferrer();

    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    try {
View Full Code Here
145
146
147
148
149
150
151
152
153
154
155
      cachePointer.decrementReferrer();
    }
  }

  public void testDeleteAddLowerVersion() throws Exception {
    ODirectMemoryPointer pagePointer = new ODirectMemoryPointer(new byte[OClusterPage.PAGE_SIZE + ODurablePage.PAGE_PADDING]);
    OCachePointer cachePointer = new OCachePointer(pagePointer, new OLogSequenceNumber(0, 0));
    cachePointer.incrementReferrer();

    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    try {
View Full Code Here
180
181
182
183
184
185
186
187
188
189
190
      cachePointer.decrementReferrer();
    }
  }

  public void testDeleteAddLowerVersionKeepTombstoneVersion() throws Exception {
    ODirectMemoryPointer pagePointer = new ODirectMemoryPointer(new byte[OClusterPage.PAGE_SIZE + ODurablePage.PAGE_PADDING]);
    OCachePointer cachePointer = new OCachePointer(pagePointer, new OLogSequenceNumber(0, 0));
    cachePointer.incrementReferrer();

    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    try {
View Full Code Here
TOP

Related Classes of com.orientechnologies.common.directmemory.ODirectMemoryPointer

  • com.orientechnologies.common.serialization.types.BinarySerializerTest
  • com.orientechnologies.common.serialization.types.BooleanSerializerTest
  • com.orientechnologies.common.serialization.types.ByteSerializerTest
  • com.orientechnologies.common.serialization.types.CharSerializerTest
  • com.orientechnologies.common.serialization.types.DateSerializerTest
  • com.orientechnologies.common.serialization.types.DateTimeSerializerTest
  • com.orientechnologies.common.serialization.types.DecimalSerializerTest
  • com.orientechnologies.common.serialization.types.DoubleSerializerTest
  • com.orientechnologies.common.serialization.types.FloatSerializerTest
  • com.orientechnologies.common.serialization.types.IntegerSerializerTest
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.