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 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 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 void testAddOneSmallRecord() 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));
ORawBuffer rawBuffer = paginatedCluster.readRecord(physicalPosition.clusterPosition);
Assert.assertNotNull(rawBuffer);
Assert.assertEquals(rawBuffer.version, recordVersion);
Assert.assertEquals(rawBuffer.buffer, smallRecord);
Assert.assertEquals(rawBuffer.recordType, 1);
}
