public void testRecordGrowFactor() throws Exception {
paginatedCluster.set(OCluster.ATTRIBUTES.COMPRESSION, ONothingCompression.NAME);
paginatedCluster.set(OCluster.ATTRIBUTES.RECORD_GROW_FACTOR, 1.5);
byte[] record = new byte[100];
Random random = new Random();
random.nextBytes(record);
OPhysicalPosition physicalPosition = paginatedCluster
.createRecord(record, OVersionFactory.instance().createVersion(), (byte) 1);
OCacheEntry cacheEntry = diskCache.load(1, 1, false);
OCachePointer pagePointer = cacheEntry.getCachePointer();
OClusterPage page = new OClusterPage(pagePointer.getDataPointer(), false, ODurablePage.TrackMode.NONE);
int recordIndex = (int) (physicalPosition.clusterPosition.longValue() & 0xFFFF);
Assert.assertEquals(page.getRecordSize(recordIndex), ((int) (record.length * 1.5)) + RECORD_SYSTEM_INFORMATION);
diskCache.release(cacheEntry);
paginatedCluster.set(OCluster.ATTRIBUTES.RECORD_GROW_FACTOR, 2);
physicalPosition = paginatedCluster.createRecord(record, OVersionFactory.instance().createVersion(), (byte) 1);
recordIndex = (int) (physicalPosition.clusterPosition.longValue() & 0xFFFF);
cacheEntry = diskCache.load(1, 1, false);
pagePointer = cacheEntry.getCachePointer();
page = new OClusterPage(pagePointer.getDataPointer(), false, ODurablePage.TrackMode.NONE);
Assert.assertEquals(page.getRecordSize(recordIndex), record.length * 2 + RECORD_SYSTEM_INFORMATION);
diskCache.release(cacheEntry);
}
public void testUpdateManySmallRecords() throws IOException {
final int records = 10000;
long seed = System.currentTimeMillis();
MersenneTwisterFast mersenneTwisterFast = new MersenneTwisterFast(seed);
System.out.println("testUpdateManySmallRecords seed : " + seed);
Map<OClusterPosition, byte[]> positionRecordMap = new HashMap<OClusterPosition, byte[]>();
Set<OClusterPosition> updatedPositions = new HashSet<OClusterPosition>();
ORecordVersion recordVersion = OVersionFactory.instance().createVersion();
recordVersion.increment();
recordVersion.increment();
for (int i = 0; i < records; i++) {
int recordSize = mersenneTwisterFast.nextInt(OClusterPage.MAX_RECORD_SIZE - 1) + 1;
byte[] smallRecord = new byte[recordSize];
mersenneTwisterFast.nextBytes(smallRecord);
final OPhysicalPosition physicalPosition = paginatedCluster.createRecord(smallRecord, recordVersion, (byte) 2);
positionRecordMap.put(physicalPosition.clusterPosition, smallRecord);
}
ORecordVersion newRecordVersion = OVersionFactory.instance().createVersion();
newRecordVersion.copyFrom(recordVersion);
newRecordVersion.increment();
for (OClusterPosition clusterPosition : positionRecordMap.keySet()) {
if (mersenneTwisterFast.nextBoolean()) {
int recordSize = mersenneTwisterFast.nextInt(OClusterPage.MAX_RECORD_SIZE - 1) + 1;
byte[] smallRecord = new byte[recordSize];
mersenneTwisterFast.nextBytes(smallRecord);
paginatedCluster.updateRecord(clusterPosition, smallRecord, newRecordVersion, (byte) 3);
positionRecordMap.put(clusterPosition, smallRecord);
updatedPositions.add(clusterPosition);
}
}
for (Map.Entry<OClusterPosition, byte[]> entry : positionRecordMap.entrySet()) {
ORawBuffer rawBuffer = paginatedCluster.readRecord(entry.getKey());
Assert.assertNotNull(rawBuffer);
Assert.assertEquals(rawBuffer.buffer, entry.getValue());
if (updatedPositions.contains(entry.getKey())) {
Assert.assertEquals(rawBuffer.version, newRecordVersion);
Assert.assertEquals(rawBuffer.recordType, 3);
} else {
Assert.assertEquals(rawBuffer.version, recordVersion);
Assert.assertEquals(rawBuffer.recordType, 2);
}
}
}
public ORecordVersion readVersion() throws IOException {
if (OVersionFactory.instance().isDistributed()) {
final int recordVersion = readInt();
final long timestamp = readLong();
final long macAddress = readLong();
return OVersionFactory.instance()
.createDistributedVersion(recordVersion, timestamp, macAddress);
} else {
final ORecordVersion version = OVersionFactory.instance().createVersion();
version.setCounter(readInt());
return version;
}
}
public void testCompressionSnappy() throws Exception {
paginatedCluster.set(OCluster.ATTRIBUTES.COMPRESSION, OSnappyCompression.NAME);
paginatedCluster.set(OCluster.ATTRIBUTES.RECORD_GROW_FACTOR, 1);
byte[] record = new byte[100];
Random random = new Random();
random.nextBytes(record);
OPhysicalPosition physicalPosition = paginatedCluster
.createRecord(record, OVersionFactory.instance().createVersion(), (byte) 1);
record = OSnappyCompression.INSTANCE.compress(record);
OCacheEntry cacheEntry = diskCache.load(1, 1, false);
OCachePointer pagePointer = cacheEntry.getCachePointer();
int recordIndex = (int) (physicalPosition.clusterPosition.longValue() & 0xFFFF);
OClusterPage page = new OClusterPage(pagePointer.getDataPointer(), false, ODurablePage.TrackMode.NONE);
byte[] storedEntity = page.getRecordBinaryValue(recordIndex, 0, page.getRecordSize(recordIndex));
byte[] storedRecord = new byte[record.length];
System.arraycopy(storedEntity, OIntegerSerializer.INT_SIZE + OByteSerializer.BYTE_SIZE, storedRecord, 0, storedRecord.length);
Assert.assertEquals(storedRecord, record);
diskCache.release(cacheEntry);
}
public void testGetPhysicalPosition() throws IOException {
final int records = 10000;
long seed = System.currentTimeMillis();
MersenneTwisterFast mersenneTwisterFast = new MersenneTwisterFast(seed);
System.out.println("testGetPhysicalPosition seed : " + seed);
Set<OPhysicalPosition> positions = new HashSet<OPhysicalPosition>();
ORecordVersion recordVersion = OVersionFactory.instance().createVersion();
recordVersion.increment();
recordVersion.increment();
for (int i = 0; i < records; i++) {
int recordSize = mersenneTwisterFast.nextInt(2 * OClusterPage.MAX_RECORD_SIZE) + 1;
byte[] record = new byte[recordSize];
mersenneTwisterFast.nextBytes(record);
recordVersion.increment();
final OPhysicalPosition physicalPosition = paginatedCluster.createRecord(record, recordVersion, (byte) i);
positions.add(physicalPosition);
}
Set<OPhysicalPosition> removedPositions = new HashSet<OPhysicalPosition>();
for (OPhysicalPosition position : positions) {
OPhysicalPosition physicalPosition = new OPhysicalPosition();
physicalPosition.clusterPosition = position.clusterPosition;
physicalPosition = paginatedCluster.getPhysicalPosition(physicalPosition);
Assert.assertEquals(physicalPosition.clusterPosition, position.clusterPosition);
Assert.assertEquals(physicalPosition.recordType, position.recordType);
Assert.assertEquals(physicalPosition.recordSize, position.recordSize);
Assert.assertEquals(physicalPosition.dataSegmentPos, position.dataSegmentPos);
Assert.assertEquals(physicalPosition.dataSegmentId, position.dataSegmentId);
if (mersenneTwisterFast.nextBoolean()) {
paginatedCluster.deleteRecord(position.clusterPosition);
removedPositions.add(position);
}
}
for (OPhysicalPosition position : positions) {
OPhysicalPosition physicalPosition = new OPhysicalPosition();
physicalPosition.clusterPosition = position.clusterPosition;
physicalPosition = paginatedCluster.getPhysicalPosition(physicalPosition);
if (removedPositions.contains(position))
Assert.assertNull(physicalPosition);
else {
Assert.assertEquals(physicalPosition.clusterPosition, position.clusterPosition);
Assert.assertEquals(physicalPosition.recordType, position.recordType);
Assert.assertEquals(physicalPosition.recordSize, position.recordSize);
Assert.assertEquals(physicalPosition.dataSegmentPos, position.dataSegmentPos);
Assert.assertEquals(physicalPosition.dataSegmentId, position.dataSegmentId);
}
}
}
public void testUpdateOneBigRecord() throws IOException {
byte[] bigRecord = new byte[2 * 65536 + 100];
MersenneTwisterFast mersenneTwisterFast = new MersenneTwisterFast();
mersenneTwisterFast.nextBytes(bigRecord);
ORecordVersion recordVersion = OVersionFactory.instance().createVersion();
recordVersion.increment();
recordVersion.increment();
OPhysicalPosition physicalPosition = paginatedCluster.createRecord(bigRecord, recordVersion, (byte) 1);
Assert.assertEquals(physicalPosition.clusterPosition, OClusterPositionFactory.INSTANCE.valueOf(0));
recordVersion.increment();
bigRecord = new byte[2 * 65536 + 20];
mersenneTwisterFast.nextBytes(bigRecord);
paginatedCluster.updateRecord(physicalPosition.clusterPosition, bigRecord, recordVersion, (byte) 2);
ORawBuffer rawBuffer = paginatedCluster.readRecord(physicalPosition.clusterPosition);
Assert.assertNotNull(rawBuffer);
Assert.assertEquals(rawBuffer.version, recordVersion);
Assert.assertEquals(rawBuffer.buffer, bigRecord);
Assert.assertEquals(rawBuffer.recordType, 2);
}
public void testAddManyRecords() throws IOException {
final int records = 10000;
long seed = System.currentTimeMillis();
MersenneTwisterFast mersenneTwisterFast = new MersenneTwisterFast(seed);
System.out.println("testAddManyRecords seed : " + seed);
Map<OClusterPosition, byte[]> positionRecordMap = new HashMap<OClusterPosition, byte[]>();
ORecordVersion recordVersion = OVersionFactory.instance().createVersion();
recordVersion.increment();
recordVersion.increment();
for (int i = 0; i < records; i++) {
int recordSize = mersenneTwisterFast.nextInt(2 * OClusterPage.MAX_RECORD_SIZE) + 1;
byte[] smallRecord = new byte[recordSize];
mersenneTwisterFast.nextBytes(smallRecord);
final OPhysicalPosition physicalPosition = paginatedCluster.createRecord(smallRecord, recordVersion, (byte) 2);
positionRecordMap.put(physicalPosition.clusterPosition, smallRecord);
}
for (Map.Entry<OClusterPosition, byte[]> entry : positionRecordMap.entrySet()) {
ORawBuffer rawBuffer = paginatedCluster.readRecord(entry.getKey());
Assert.assertNotNull(rawBuffer);
Assert.assertEquals(rawBuffer.version, recordVersion);
Assert.assertEquals(rawBuffer.buffer, entry.getValue());
Assert.assertEquals(rawBuffer.recordType, 2);
}
}
public void testBackwardIteration() throws IOException {
final int records = 10000;
long seed = System.currentTimeMillis();
MersenneTwisterFast mersenneTwisterFast = new MersenneTwisterFast(1381162033616L);
System.out.println("testBackwardIteration seed : " + seed);
NavigableMap<OClusterPosition, byte[]> positionRecordMap = new TreeMap<OClusterPosition, byte[]>();
ORecordVersion recordVersion = OVersionFactory.instance().createVersion();
recordVersion.increment();
recordVersion.increment();
for (int i = 0; i < records; i++) {
int recordSize = mersenneTwisterFast.nextInt(2 * OClusterPage.MAX_RECORD_SIZE) + 1;
byte[] record = new byte[recordSize];
mersenneTwisterFast.nextBytes(record);
final OPhysicalPosition physicalPosition = paginatedCluster.createRecord(record, recordVersion, (byte) 2);
positionRecordMap.put(physicalPosition.clusterPosition, record);
}
Iterator<OClusterPosition> positionIterator = positionRecordMap.keySet().iterator();
while (positionIterator.hasNext()) {
OClusterPosition clusterPosition = positionIterator.next();
if (mersenneTwisterFast.nextBoolean()) {
Assert.assertTrue(paginatedCluster.deleteRecord(clusterPosition));
positionIterator.remove();
}
}
OPhysicalPosition physicalPosition = new OPhysicalPosition();
physicalPosition.clusterPosition = OClusterPositionFactory.INSTANCE.valueOf(Long.MAX_VALUE);
OPhysicalPosition[] positions = paginatedCluster.floorPositions(physicalPosition);
Assert.assertTrue(positions.length > 0);
positionIterator = positionRecordMap.descendingKeySet().iterator();
int counter = 0;
while (positionIterator.hasNext()) {
Assert.assertTrue(positions.length > 0);
OClusterPosition testedPosition = positionIterator.next();
Assert.assertEquals(positions[positions.length - 1].clusterPosition, testedPosition);
OPhysicalPosition positionToFind = positions[positions.length - 1];
positions = paginatedCluster.lowerPositions(positionToFind);
counter++;
}
Assert.assertEquals(paginatedCluster.getEntries(), counter);
Assert.assertEquals(paginatedCluster.getFirstPosition(), positionRecordMap.firstKey());
Assert.assertEquals(paginatedCluster.getLastPosition(), positionRecordMap.lastKey());
}
public void testRemoveHalfRecords() throws IOException {
final int records = 10000;
long seed = System.currentTimeMillis();
MersenneTwisterFast mersenneTwisterFast = new MersenneTwisterFast(seed);
System.out.println("testRemoveHalfRecords seed : " + seed);
Map<OClusterPosition, byte[]> positionRecordMap = new HashMap<OClusterPosition, byte[]>();
ORecordVersion recordVersion = OVersionFactory.instance().createVersion();
recordVersion.increment();
recordVersion.increment();
for (int i = 0; i < records; i++) {
int recordSize = mersenneTwisterFast.nextInt(3 * OClusterPage.MAX_RECORD_SIZE) + 1;
byte[] bigRecord = new byte[recordSize];
mersenneTwisterFast.nextBytes(bigRecord);
final OPhysicalPosition physicalPosition = paginatedCluster.createRecord(bigRecord, recordVersion, (byte) 2);
positionRecordMap.put(physicalPosition.clusterPosition, bigRecord);
}
int deletedRecords = 0;
Assert.assertEquals(records, paginatedCluster.getEntries());
Set<OClusterPosition> deletedPositions = new HashSet<OClusterPosition>();
Iterator<OClusterPosition> positionIterator = positionRecordMap.keySet().iterator();
while (positionIterator.hasNext()) {
OClusterPosition 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 (OClusterPosition deletedPosition : deletedPositions) {
Assert.assertNull(paginatedCluster.readRecord(deletedPosition));
Assert.assertFalse(paginatedCluster.deleteRecord(deletedPosition));
}
for (Map.Entry<OClusterPosition, byte[]> entry : positionRecordMap.entrySet()) {
ORawBuffer rawBuffer = paginatedCluster.readRecord(entry.getKey());
Assert.assertNotNull(rawBuffer);
Assert.assertEquals(rawBuffer.version, recordVersion);
Assert.assertEquals(rawBuffer.buffer, entry.getValue());
Assert.assertEquals(rawBuffer.recordType, 2);
}
}
public void create() throws IOException {
storage.createRecord(
0,
CONFIG_RID,
new byte[] {0, 0, 0, 0},
OVersionFactory.instance().createVersion(),
ORecordBytes.RECORD_TYPE,
(byte) 0,
null);
}
public void update() throws OSerializationException {
final byte[] record = toStream();
storage.updateRecord(
CONFIG_RID,
record,
OVersionFactory.instance().createUntrackedVersion(),
ORecordBytes.RECORD_TYPE,
0,
null);
}
public void testRemoveHalfRecordsAndAddAnotherHalfAgain() throws IOException {
final int records = 10000;
long seed = System.currentTimeMillis();
MersenneTwisterFast mersenneTwisterFast = new MersenneTwisterFast(seed);
System.out.println("testRemoveHalfRecordsAndAddAnotherHalfAgain seed : " + seed);
Map<OClusterPosition, byte[]> positionRecordMap = new HashMap<OClusterPosition, byte[]>();
ORecordVersion recordVersion = OVersionFactory.instance().createVersion();
recordVersion.increment();
recordVersion.increment();
for (int i = 0; i < records; i++) {
int recordSize = mersenneTwisterFast.nextInt(3 * OClusterPage.MAX_RECORD_SIZE) + 1;
byte[] bigRecord = new byte[recordSize];
mersenneTwisterFast.nextBytes(bigRecord);
final OPhysicalPosition physicalPosition = paginatedCluster.createRecord(bigRecord, recordVersion, (byte) 2);
positionRecordMap.put(physicalPosition.clusterPosition, bigRecord);
}
int deletedRecords = 0;
Assert.assertEquals(records, paginatedCluster.getEntries());
Iterator<OClusterPosition> positionIterator = positionRecordMap.keySet().iterator();
while (positionIterator.hasNext()) {
OClusterPosition clusterPosition = positionIterator.next();
if (mersenneTwisterFast.nextBoolean()) {
Assert.assertTrue(paginatedCluster.deleteRecord(clusterPosition));
deletedRecords++;
Assert.assertEquals(paginatedCluster.getEntries(), records - deletedRecords);
positionIterator.remove();
}
}
Assert.assertEquals(paginatedCluster.getEntries(), records - deletedRecords);
for (int i = 0; i < records / 2; i++) {
int recordSize = mersenneTwisterFast.nextInt(3 * OClusterPage.MAX_RECORD_SIZE) + 1;
byte[] bigRecord = new byte[recordSize];
mersenneTwisterFast.nextBytes(bigRecord);
final OPhysicalPosition physicalPosition = paginatedCluster.createRecord(bigRecord, recordVersion, (byte) 2);
positionRecordMap.put(physicalPosition.clusterPosition, bigRecord);
}
Assert.assertEquals(paginatedCluster.getEntries(), (long) (1.5 * records - deletedRecords));
}
public void testUpdateOneSmallRecordVersionIsMinusTwo() throws IOException {
byte[] smallRecord = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
ORecordVersion recordVersion = OVersionFactory.instance().createVersion();
recordVersion.increment();
recordVersion.increment();
OPhysicalPosition physicalPosition = paginatedCluster.createRecord(smallRecord, recordVersion, (byte) 1);
Assert.assertEquals(physicalPosition.clusterPosition, OClusterPositionFactory.INSTANCE.valueOf(0));
ORecordVersion updateRecordVersion = OVersionFactory.instance().createVersion();
updateRecordVersion.setCounter(-2);
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);
Assert.assertNotNull(rawBuffer);
Assert.assertEquals(rawBuffer.version, recordVersion);
Assert.assertEquals(rawBuffer.buffer, smallRecord);
Assert.assertEquals(rawBuffer.recordType, 2);
}
public void testDeleteRecordAndAddNewOnItsPlace() throws IOException {
byte[] smallRecord = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
ORecordVersion recordVersion = OVersionFactory.instance().createVersion();
recordVersion.increment();
recordVersion.increment();
OPhysicalPosition physicalPosition = paginatedCluster.createRecord(smallRecord, recordVersion, (byte) 1);
Assert.assertEquals(physicalPosition.clusterPosition, OClusterPositionFactory.INSTANCE.valueOf(0));
paginatedCluster.deleteRecord(physicalPosition.clusterPosition);
physicalPosition = paginatedCluster.createRecord(smallRecord, recordVersion, (byte) 1);
Assert.assertEquals(physicalPosition.clusterPosition, OClusterPositionFactory.INSTANCE.valueOf(1));
recordVersion.increment();
Assert.assertEquals(physicalPosition.recordVersion, recordVersion);
}
public void testRecordOverflowGrowFactor() throws Exception {
paginatedCluster.set(OCluster.ATTRIBUTES.COMPRESSION, ONothingCompression.NAME);
paginatedCluster.set(OCluster.ATTRIBUTES.RECORD_GROW_FACTOR, 1.5);
paginatedCluster.set(OCluster.ATTRIBUTES.RECORD_OVERFLOW_GROW_FACTOR, 2.5);
byte[] record = new byte[100];
Random random = new Random();
random.nextBytes(record);
ORecordVersion version = OVersionFactory.instance().createVersion();
OPhysicalPosition physicalPosition = paginatedCluster.createRecord(record, version, (byte) 1);
record = new byte[150];
random.nextBytes(record);
paginatedCluster.updateRecord(physicalPosition.clusterPosition, record, version, (byte) 1);
OCacheEntry cacheEntry = diskCache.load(1, 1, false);
int recordIndex = (int) (physicalPosition.clusterPosition.longValue() & 0xFFFF);
OCachePointer pagePointer = cacheEntry.getCachePointer();
OClusterPage page = new OClusterPage(pagePointer.getDataPointer(), false, ODurablePage.TrackMode.NONE);
Assert.assertEquals(page.getRecordSize(recordIndex), record.length + RECORD_SYSTEM_INFORMATION);
diskCache.release(cacheEntry);
record = new byte[200];
random.nextBytes(record);
paginatedCluster.updateRecord(physicalPosition.clusterPosition, record, version, (byte) 1);
cacheEntry = diskCache.load(1, 1, false);
pagePointer = cacheEntry.getCachePointer();
page = new OClusterPage(pagePointer.getDataPointer(), false, ODurablePage.TrackMode.NONE);
int fullContentSize = 500 + OIntegerSerializer.INT_SIZE + OByteSerializer.BYTE_SIZE; // type + real size
Assert.assertEquals(page.getRecordSize(recordIndex), 150 + RECORD_SYSTEM_INFORMATION);
fullContentSize -= 150 + RECORD_SYSTEM_INFORMATION - OByteSerializer.BYTE_SIZE - OLongSerializer.LONG_SIZE;
Assert.assertEquals(page.getRecordSize(recordIndex + 1), fullContentSize
+ (OByteSerializer.BYTE_SIZE + OLongSerializer.LONG_SIZE));
diskCache.release(cacheEntry);
}
@Test
public void test1RollbackOnConcurrentException() throws IOException {
database1 = new ODatabaseDocumentTx(url).open("admin", "admin");
database2 = new ODatabaseDocumentTx(url).open("admin", "admin");
database1.begin(TXTYPE.OPTIMISTIC);
// Create docA.
ODocument vDocA_db1 = database1.newInstance();
vDocA_db1.field(NAME, "docA");
database1.save(vDocA_db1);
// Create docB.
ODocument vDocB_db1 = database1.newInstance();
vDocB_db1.field(NAME, "docB");
database1.save(vDocB_db1);
database1.commit();
// 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);
vDocA_db2.field(NAME, "docA_v2");
database2.save(vDocA_db2);
// Concurrent update docA via database1 -> will throw OConcurrentModificationException at
// database2.commit().
database1.begin(TXTYPE.OPTIMISTIC);
try {
vDocA_db1.field(NAME, "docA_v3");
database1.save(vDocA_db1);
database1.commit();
} catch (OConcurrentModificationException e) {
Assert.fail("Should not failed here...");
}
Assert.assertEquals(vDocA_db1.field(NAME), "docA_v3");
// Keep the last versions.
// Following updates should failed and reverted.
vDocA_version = vDocA_db1.getRecordVersion();
vDocB_version = vDocB_db1.getRecordVersion();
// Update docB in db2 transaction context -> should be rollbacked.
ODocument vDocB_db2 = database2.load(vDocB_Rid);
vDocB_db2.field(NAME, "docB_UpdatedInTranscationThatWillBeRollbacked");
database2.save(vDocB_db2);
// Will throw OConcurrentModificationException
database2.commit();
Assert.fail("Should throw OConcurrentModificationException");
} catch (OConcurrentModificationException e) {
database2.rollback();
}
// Force reload all (to be sure it is not a cache problem)
database1.close();
database2.getStorage().close();
database2 = new ODatabaseDocumentTx(url).open("admin", "admin");
ODocument vDocA_db2 = database2.load(vDocA_Rid);
Assert.assertEquals(vDocA_db2.field(NAME), "docA_v3");
Assert.assertEquals(vDocA_db2.getRecordVersion(), vDocA_version);
// docB should be in the first state : "docB"
ODocument vDocB_db2 = database2.load(vDocB_Rid);
Assert.assertEquals(vDocB_db2.field(NAME), "docB");
Assert.assertEquals(vDocB_db2.getRecordVersion(), vDocB_version);
database1.close();
database2.close();
}