Examples of com.orientechnologies.orient.core.version.ORecordVersion

Package com.orientechnologies.orient.core.version

Examples of com.orientechnologies.orient.core.version.ORecordVersion

com.orientechnologies.orient.core.version.ORecordVersion
Abstraction for record version. In non distributed environment it is just a number represented by {@link OSimpleVersion}. In distributed environment records can be processed concurrently, so simple number is not enough, as we need some additional information to prevent generation of two different versions of document with the same version number. This interface provide an ability to create extended versions. @author Artem Orobets @see OSimpleVersion @see ODistributedVersion


        if (!record.isDirty())
          return (RET) record;


        // CHECK IF ENABLE THE MVCC OR BYPASS IT
        final ORecordVersion realVersion = !mvcc || iVersion.isUntracked() ? OVersionFactory.instance().createUntrackedVersion()
            : record.getRecordVersion();


        try {
          // SAVE IT
          operationResult = underlying.save(rid, ORecordInternal.isContentChanged(record),
              stream == null ? new byte[0] : stream, realVersion, ORecordInternal.getRecordType(record), iMode.ordinal(),
              iForceCreate, iRecordCreatedCallback, iRecordUpdatedCallback);


          final ORecordVersion version = operationResult.getResult();


          if (isNew) {
            // UPDATE INFORMATION: CLUSTER ID+POSITION
            ((ORecordId) record.getIdentity()).copyFrom(rid);
            // NOTIFY IDENTITY HAS CHANGED

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        ORecord rec = record.getRecord();
        if (iCallTriggers && rec != null)
          callbackHooks(TYPE.BEFORE_DELETE, rec);


        // CHECK IF ENABLE THE MVCC OR BYPASS IT
        final ORecordVersion realVersion = mvcc ? iVersion : OVersionFactory.instance().createUntrackedVersion();


        final OStorageOperationResult<Boolean> operationResult;
        try {
          if (prohibitTombstones)
            operationResult = new OStorageOperationResult<Boolean>(underlying.cleanOutRecord(rid, realVersion, iRequired,

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          Lock recordLock = lockManager.acquireExclusiveLock(rid);
          try {
            // UPDATE IT
            final OPhysicalPosition ppos = cluster.getPhysicalPosition(new OPhysicalPosition(rid.clusterPosition));
            if (!checkForRecordValidity(ppos)) {
              final ORecordVersion recordVersion = OVersionFactory.instance().createUntrackedVersion();
              if (callback != null)
                callback.call(rid, recordVersion);


              return new OStorageOperationResult<ORecordVersion>(recordVersion);
            }


            boolean contentModified = false;
            if (updateContent) {
              final byte[] newContent = checkAndIncrementVersion(cluster, rid, version, ppos.recordVersion, content, recordType);
              if (newContent != null) {
                contentModified = true;
                content = newContent;
              }
            }


            makeStorageDirty();
            atomicOperationsManager.startAtomicOperation();
            try {
              if (updateContent)
                cluster.updateRecord(rid.clusterPosition, content, ppos.recordVersion, recordType);


              final ORecordSerializationContext context = ORecordSerializationContext.getContext();
              if (context != null)
                context.executeOperations(this);
              atomicOperationsManager.endAtomicOperation(false);
            } catch (Throwable e) {
              atomicOperationsManager.endAtomicOperation(true);


              OLogManager.instance().error(this, "Error on updating record " + rid + " (cluster: " + cluster + ")", e);


              final ORecordVersion recordVersion = OVersionFactory.instance().createUntrackedVersion();
              if (callback != null)
                callback.call(rid, recordVersion);


              return new OStorageOperationResult<ORecordVersion>(recordVersion);
            }


            if (callback != null)
              callback.call(rid, ppos.recordVersion);


            if (contentModified)
              return new OStorageOperationResult<ORecordVersion>(ppos.recordVersion, content, false);
            else
              return new OStorageOperationResult<ORecordVersion>(ppos.recordVersion);


          } finally {
            lockManager.releaseLock(recordLock);
          }
        } catch (IOException e) {
          OLogManager.instance().error(this, "Error on updating record " + rid + " (cluster: " + cluster + ")", e);


          final ORecordVersion recordVersion = OVersionFactory.instance().createUntrackedVersion();
          if (callback != null)
            callback.call(rid, recordVersion);


          return new OStorageOperationResult<ORecordVersion>(recordVersion);
        } finally {

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          // SAVE THE RECORD TO RETRIEVE THEM FOR THE NEW RID TO SEND BACK TO THE REQUESTER
          createdRecords.put(rid.copy(), entry.getRecord());
          break;


        case ORecordOperation.UPDATED:
          ORecordVersion version = channel.readVersion();
          byte[] bytes = channel.readBytes();
          oNetworkProtocolBinary.fillRecord(rid, bytes, version, entry.getRecord(), database);
          if (protocolVersion >= 23)
            ORecordInternal.setContentChanged(entry.getRecord(), channel.readBoolean());
          break;

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    country = (Country) database.save(country);
    Assert.assertNotNull(country.getId());
    Assert.assertNotNull(country.getVersion());


    ORecordVersion initVersion = ((ORecordVersion) country.getVersion()).copy();


    database.begin();
    Country loaded = (Country) database.load((ORecordId) country.getId());
    Assert.assertEquals(loaded.getId(), country.getId());
    Assert.assertEquals(loaded.getVersion(), country.getVersion());
    Assert.assertEquals(database.getRecordByUserObject(loaded, false), database.getRecordByUserObject(country, false));
    String newName = "ShouldBeChanged";
    loaded.setName(newName);
    loaded = (Country) database.save(loaded);
    database.commit();


    loaded = (Country) database.load((ORecordId) country.getId());
    Assert.assertEquals(database.getRecordByUserObject(loaded, false), database.getRecordByUserObject(country, false));
    Assert.assertEquals(loaded.getId(), country.getId());
    Assert.assertEquals(((ORecordVersion) loaded.getVersion()).getCounter(), initVersion.getCounter() + 1);
    Assert.assertEquals(loaded.getName(), newName);
  }

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    country = (Country) database.save(country);
    Assert.assertNotNull(country.getId());
    Assert.assertNotNull(country.getVersion());


    ORecordVersion initVersion = (ORecordVersion) country.getVersion();


    database.begin();
    Country loaded = (Country) database.load((ORecordId) country.getId());
    Assert.assertEquals(loaded.getId(), country.getId());
    Assert.assertEquals(loaded.getVersion(), country.getVersion());

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    // Keep the IDs.
    ORID vDocA_Rid = vDocA_db1.getIdentity().copy();
    ORID vDocB_Rid = vDocB_db1.getIdentity().copy();


    ORecordVersion vDocA_version = OVersionFactory.instance().createUntrackedVersion();
    ORecordVersion vDocB_version = OVersionFactory.instance().createUntrackedVersion();


    database2.begin(TXTYPE.OPTIMISTIC);
    try {
      // Get docA and update in db2 transaction context
      ODocument vDocA_db2 = database2.load(vDocA_Rid);

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    database.close();
    database.open("admin", "admin");


    ODocument loadedJack = database.load(jack.getIdentity());


    ORecordVersion jackLastVersion = loadedJack.getRecordVersion().copy();
    database.begin();
    loadedJack.field("occupation", "agent");
    loadedJack.save();
    database.commit();
    Assert.assertTrue(!jackLastVersion.equals(loadedJack.getRecordVersion()));


    loadedJack = database.load(jack.getIdentity());
    Assert.assertTrue(!jackLastVersion.equals(loadedJack.getRecordVersion()));


    database.close();


    database.open("admin", "admin");
    loadedJack = database.load(jack.getIdentity());
    Assert.assertTrue(!jackLastVersion.equals(loadedJack.getRecordVersion()));
    database.close();
  }

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    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    try {
      OClusterPage localPage = new OClusterPage(cacheEntry, true, ODurablePage.TrackMode.FULL);
      Assert.assertEquals(localPage.getRecordsCount(), 0);


      ORecordVersion recordVersion = OVersionFactory.instance().createVersion();
      recordVersion.increment();


      int index = localPage.appendRecord(recordVersion, new byte[] { 1, 2, 3, 4, 5, 6, 5, 4, 3, 2, 1 }, false);
      int freeSpace = localPage.getFreeSpace();


      ORecordVersion newRecordVersion = OVersionFactory.instance().createVersion();
      newRecordVersion.copyFrom(recordVersion);
      newRecordVersion.increment();


      int written = localPage.replaceRecord(index, new byte[] { 5, 2, 3, 4, 5, 11, 5, 4, 3, 2, 1 }, newRecordVersion);
      Assert.assertEquals(localPage.getFreeSpace(), freeSpace);
      Assert.assertEquals(written, 11);

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    OCacheEntry cacheEntry = new OCacheEntry(0, 0, cachePointer, false);
    try {
      OClusterPage localPage = new OClusterPage(cacheEntry, true, ODurablePage.TrackMode.FULL);
      Assert.assertEquals(localPage.getRecordsCount(), 0);


      ORecordVersion recordVersion = OVersionFactory.instance().createVersion();
      recordVersion.increment();


      int index = localPage.appendRecord(recordVersion, new byte[] { 1, 2, 3, 4, 5, 6, 5, 4, 3, 2, 1 }, false);
      int freeSpace = localPage.getFreeSpace();


      ORecordVersion newRecordVersion = OVersionFactory.instance().createVersion();
      newRecordVersion.copyFrom(recordVersion);
      newRecordVersion.increment();


      int written = localPage.replaceRecord(index, new byte[] { 5, 2, 3, 4, 5, 11, }, newRecordVersion);
      Assert.assertEquals(localPage.getFreeSpace(), freeSpace);
      Assert.assertEquals(written, 6);

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