//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(expected = IllegalStateException.class) public void createIdGeneratorMustRefuseOverwritingExistingFile() throws java.io.IOException
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void CreateIdGeneratorMustRefuseOverwritingExistingFile()
{
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
IdGenerator idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 1008, 1000, false, IdType.NODE, () => 0L);
try
{
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, true);
}
finally
{
CloseIdGenerator(idGenerator);
// verify that id generator is ok
StoreChannel fileChannel = _fs.open(IdGeneratorFile(), OpenMode.READ_WRITE);
ByteBuffer buffer = ByteBuffer.allocate(9);
fileChannel.ReadAll(buffer);
buffer.flip();
assertEquals(( sbyte )0, buffer.get());
assertEquals(0L, buffer.Long);
buffer.flip();
int readCount = fileChannel.read(buffer);
if (readCount != -1 && readCount != 0)
{
fail("Id generator header not ok read 9 + " + readCount + " bytes from file");
}
fileChannel.close();
File file = IdGeneratorFile();
if (file.exists())
{
assertTrue(file.delete());
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testStickyGenerator()
public virtual void TestStickyGenerator()
{
try
{
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
IdGenerator idGen = new IdGeneratorImpl(_fs, IdGeneratorFile(), 3, 1000, false, IdType.NODE, () => 0L);
try
{
new IdGeneratorImpl(_fs, IdGeneratorFile(), 3, 1000, false, IdType.NODE, () => 0L);
fail("Opening sticky id generator should throw exception");
}
catch (StoreFailureException)
{ // good
}
CloseIdGenerator(idGen);
}
finally
{
File file = IdGeneratorFile();
if (file.exists())
{
assertTrue(file.delete());
}
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: void clearIdFiles(java.nio.file.Path backupLocation) throws java.io.IOException
internal virtual void ClearIdFiles(Path backupLocation)
{
IOException exception = null;
File targetDirectory = backupLocation.toFile();
File[] files = _fs.listFiles(targetDirectory);
foreach (File file in files)
{
if (!_fs.isDirectory(file) && file.Name.EndsWith(".id"))
{
try
{
long highId = IdGeneratorImpl.readHighId(_fs, file);
_fs.deleteFile(file);
IdGeneratorImpl.createGenerator(_fs, file, highId, true);
}
catch (IOException e)
{
exception = Exceptions.chain(exception, e);
}
}
}
if (exception != null)
{
throw exception;
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void ensureStoresHaveIdFiles(org.neo4j.io.layout.DatabaseLayout databaseLayout) throws java.io.IOException
private void EnsureStoresHaveIdFiles(DatabaseLayout databaseLayout)
{
foreach (File idFile in databaseLayout.IdFiles())
{
assertTrue("Missing id file " + idFile, idFile.exists());
assertTrue("Id file " + idFile + " had 0 highId", IdGeneratorImpl.readHighId(_fileSystemRule.get(), idFile) > 0);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testNextId()
public virtual void TestNextId()
{
try
{
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
IdGenerator idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 3, 1000, false, IdType.NODE, () => 0L);
for (long i = 0; i < 7; i++)
{
assertEquals(i, idGenerator.NextId());
}
idGenerator.FreeId(1);
idGenerator.FreeId(3);
idGenerator.FreeId(5);
assertEquals(7L, idGenerator.NextId());
idGenerator.FreeId(6);
CloseIdGenerator(idGenerator);
idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 5, 1000, false, IdType.NODE, () => 0L);
idGenerator.FreeId(2);
idGenerator.FreeId(4);
assertEquals(1L, idGenerator.NextId());
idGenerator.FreeId(1);
assertEquals(3L, idGenerator.NextId());
idGenerator.FreeId(3);
assertEquals(5L, idGenerator.NextId());
idGenerator.FreeId(5);
assertEquals(6L, idGenerator.NextId());
idGenerator.FreeId(6);
assertEquals(8L, idGenerator.NextId());
idGenerator.FreeId(8);
assertEquals(9L, idGenerator.NextId());
idGenerator.FreeId(9);
CloseIdGenerator(idGenerator);
idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 3, 1000, false, IdType.NODE, () => 0L);
assertEquals(6L, idGenerator.NextId());
assertEquals(8L, idGenerator.NextId());
assertEquals(9L, idGenerator.NextId());
assertEquals(1L, idGenerator.NextId());
assertEquals(3L, idGenerator.NextId());
assertEquals(5L, idGenerator.NextId());
assertEquals(2L, idGenerator.NextId());
assertEquals(4L, idGenerator.NextId());
assertEquals(10L, idGenerator.NextId());
assertEquals(11L, idGenerator.NextId());
CloseIdGenerator(idGenerator);
}
finally
{
File file = IdGeneratorFile();
if (file.exists())
{
assertTrue(file.delete());
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testClose()
public virtual void TestClose()
{
try
{
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
IdGenerator idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 2, 1000, false, IdType.NODE, () => 0L);
CloseIdGenerator(idGenerator);
try
{
idGenerator.NextId();
fail("nextId after close should throw exception");
}
catch (System.InvalidOperationException)
{ // good
}
try
{
idGenerator.FreeId(0);
fail("freeId after close should throw exception");
}
catch (System.InvalidOperationException)
{ // good
}
idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 2, 1000, false, IdType.NODE, () => 0L);
assertEquals(0L, idGenerator.NextId());
assertEquals(1L, idGenerator.NextId());
assertEquals(2L, idGenerator.NextId());
CloseIdGenerator(idGenerator);
try
{
idGenerator.NextId();
fail("nextId after close should throw exception");
}
catch (System.InvalidOperationException)
{ // good
}
try
{
idGenerator.FreeId(0);
fail("freeId after close should throw exception");
}
catch (System.InvalidOperationException)
{ // good
}
}
finally
{
File file = IdGeneratorFile();
if (file.exists())
{
assertTrue(file.delete());
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testFreeId()
public virtual void TestFreeId()
{
try
{
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
IdGenerator idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 3, 1000, false, IdType.NODE, () => 0L);
for (long i = 0; i < 7; i++)
{
assertEquals(i, idGenerator.NextId());
}
try
{
idGenerator.FreeId(-1);
fail("Negative id should throw exception");
}
catch (System.ArgumentException)
{ // good
}
try
{
idGenerator.FreeId(7);
fail("Greater id than ever returned should throw exception");
}
catch (System.ArgumentException)
{ // good
}
for (int i = 0; i < 7; i++)
{
idGenerator.FreeId(i);
}
CloseIdGenerator(idGenerator);
idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 2, 1000, false, IdType.NODE, () => 0L);
assertEquals(5L, idGenerator.NextId());
assertEquals(6L, idGenerator.NextId());
assertEquals(3L, idGenerator.NextId());
CloseIdGenerator(idGenerator);
idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 30, 1000, false, IdType.NODE, () => 0L);
assertEquals(0L, idGenerator.NextId());
assertEquals(1L, idGenerator.NextId());
assertEquals(2L, idGenerator.NextId());
assertEquals(4L, idGenerator.NextId());
CloseIdGenerator(idGenerator);
}
finally
{
File file = IdGeneratorFile();
if (file.exists())
{
assertTrue(file.delete());
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void delete()
public virtual void Delete()
{
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
IdGeneratorImpl idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 10, 1000, false, IdType.NODE, () => 0L);
long id = idGenerator.NextId();
idGenerator.NextId();
idGenerator.FreeId(id);
idGenerator.Dispose();
idGenerator.Delete();
assertFalse(IdGeneratorFile().exists());
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 10, 1000, false, IdType.NODE, () => 0L);
assertEquals(id, idGenerator.NextId());
idGenerator.Dispose();
}
private void MakeSureMagicMinusOneIsSkipped(RecordFormat format)
{
DeleteIdGeneratorFile();
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
IdGenerator idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 1, format.MaxId, false, IdType.NODE, () => 0L);
long id = ( long )Math.Pow(2, 32) - 3;
idGenerator.HighId = id;
assertEquals(id, idGenerator.NextId());
assertEquals(id + 1, idGenerator.NextId());
// Here we make sure that id+2 (integer -1) is skipped
assertEquals(id + 3, idGenerator.NextId());
assertEquals(id + 4, idGenerator.NextId());
assertEquals(id + 5, idGenerator.NextId());
CloseIdGenerator(idGenerator);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void mustOverwriteExistingFileIfRequested()
public virtual void MustOverwriteExistingFileIfRequested()
{
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
IdGenerator idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 1008, 1000, false, IdType.NODE, () => 0L);
long[] firstFirstIds = new long[] { idGenerator.NextId(), idGenerator.NextId(), idGenerator.NextId() };
idGenerator.Dispose();
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 1008, 1000, false, IdType.NODE, () => 0L);
long[] secondFirstIds = new long[] { idGenerator.NextId(), idGenerator.NextId(), idGenerator.NextId() };
idGenerator.Dispose();
// Basically, recreating the id file should be the same as start over with the ids.
assertThat(secondFirstIds, @is(firstFirstIds));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void makeSureMagicMinusOneCannotBeReturnedEvenIfFreed()
public virtual void MakeSureMagicMinusOneCannotBeReturnedEvenIfFreed()
{
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
IdGenerator idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 1, (new NodeRecordFormat()).MaxId, false, IdType.NODE, () => 0L);
long magicMinusOne = ( long )Math.Pow(2, 32) - 1;
idGenerator.HighId = magicMinusOne;
assertEquals(magicMinusOne + 1, idGenerator.NextId());
idGenerator.FreeId(magicMinusOne - 1);
idGenerator.FreeId(magicMinusOne);
CloseIdGenerator(idGenerator);
idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 1, (new NodeRecordFormat()).MaxId, false, IdType.NODE, () => 0L);
assertEquals(magicMinusOne - 1, idGenerator.NextId());
assertEquals(magicMinusOne + 2, idGenerator.NextId());
CloseIdGenerator(idGenerator);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testRandomTest()
public virtual void TestRandomTest()
{
Random random = new Random(DateTimeHelper.CurrentUnixTimeMillis());
int capacity = random.Next(1024) + 1024;
int grabSize = random.Next(128) + 128;
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
IdGenerator idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), grabSize, capacity * 2, false, IdType.NODE, () => 0L);
IList <long> idsTaken = new List <long>();
float releaseIndex = 0.25f;
float closeIndex = 0.05f;
int currentIdCount = 0;
try
{
while (currentIdCount < capacity)
{
float rIndex = random.nextFloat();
if (rIndex < releaseIndex && currentIdCount > 0)
{
idGenerator.FreeId(idsTaken.Remove(random.Next(currentIdCount)).intValue());
currentIdCount--;
}
else
{
idsTaken.Add(idGenerator.NextId());
currentIdCount++;
}
if (rIndex > (1.0f - closeIndex) || rIndex < closeIndex)
{
CloseIdGenerator(idGenerator);
grabSize = random.Next(128) + 128;
idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), grabSize, capacity * 2, false, IdType.NODE, () => 0L);
}
}
CloseIdGenerator(idGenerator);
}
finally
{
File file = IdGeneratorFile();
if (file.exists())
{
assertTrue(file.delete());
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testUnsignedId()
public virtual void TestUnsignedId()
{
try
{
PropertyKeyTokenRecordFormat recordFormat = new PropertyKeyTokenRecordFormat();
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
IdGenerator idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 1, recordFormat.MaxId, false, IdType.NODE, () => 0L);
idGenerator.HighId = recordFormat.MaxId;
long id = idGenerator.NextId();
assertEquals(recordFormat.MaxId, id);
idGenerator.FreeId(id);
try
{
idGenerator.NextId();
fail("Shouldn't be able to get next ID");
}
catch (StoreFailureException)
{ // good, capacity exceeded
}
CloseIdGenerator(idGenerator);
idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 1, recordFormat.MaxId, false, IdType.NODE, () => 0L);
assertEquals(recordFormat.MaxId + 1, idGenerator.HighId);
id = idGenerator.NextId();
assertEquals(recordFormat.MaxId, id);
try
{
idGenerator.NextId();
}
catch (StoreFailureException)
{ // good, capacity exceeded
}
CloseIdGenerator(idGenerator);
}
finally
{
File file = IdGeneratorFile();
if (file.exists())
{
assertTrue(file.delete());
}
}
}
private void MakeSureIdCapacityCannotBeExceeded(RecordFormat format)
{
DeleteIdGeneratorFile();
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
long maxValue = format.MaxId;
IdGenerator idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 1, maxValue - 1, false, IdType.NODE, () => 0L);
long id = maxValue - 2;
idGenerator.HighId = id;
assertEquals(id, idGenerator.NextId());
assertEquals(id + 1, idGenerator.NextId());
try
{
idGenerator.NextId();
fail("Id capacity shouldn't be able to be exceeded for " + format);
}
catch (StoreFailureException)
{ // Good
}
CloseIdGenerator(idGenerator);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testChurnIdBatchAtGrabSize()
public virtual void TestChurnIdBatchAtGrabSize()
{
IdGenerator idGenerator = null;
try
{
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
const int grabSize = 10;
int rounds = 10;
idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), grabSize, 1000, true, IdType.NODE, () => 0L);
for (int i = 0; i < rounds; i++)
{
ISet <long> ids = new HashSet <long>();
for (int j = 0; j < grabSize; j++)
{
ids.Add(idGenerator.NextId());
}
foreach (long?id in ids)
{
idGenerator.FreeId(id.Value);
}
}
long newId = idGenerator.NextId();
assertTrue("Expected IDs to be reused (" + grabSize + " at a time). high ID was: " + newId, newId < grabSize * rounds);
}
finally
{
if (idGenerator != null)
{
CloseIdGenerator(idGenerator);
}
File file = IdGeneratorFile();
if (file.exists())
{
assertTrue(file.delete());
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testOddAndEvenWorstCase()
public virtual void TestOddAndEvenWorstCase()
{
int capacity = 1024 * 8 + 1;
try
{
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
IdGenerator idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 128, capacity * 2, false, IdType.NODE, () => 0L);
for (int i = 0; i < capacity; i++)
{
idGenerator.NextId();
}
IDictionary <long, object> freedIds = new Dictionary <long, object>();
for (long i = 1; i < capacity; i += 2)
{
idGenerator.FreeId(i);
freedIds[i] = this;
}
CloseIdGenerator(idGenerator);
idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 2000, capacity * 2, false, IdType.NODE, () => 0L);
long oldId = -1;
for (int i = 0; i < capacity - 1; i += 2)
{
long id = idGenerator.NextId();
if (freedIds.Remove(id) == null)
{
throw new Exception("Id=" + id + " prevId=" + oldId + " list.size()=" + freedIds.Count);
}
oldId = id;
}
assertEquals(0, freedIds.Values.Count);
CloseIdGenerator(idGenerator);
}
finally
{
File file = IdGeneratorFile();
if (_fs.fileExists(file))
{
assertTrue(_fs.deleteFile(file));
}
}
try
{
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
IdGenerator idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 128, capacity * 2, false, IdType.NODE, () => 0L);
for (int i = 0; i < capacity; i++)
{
idGenerator.NextId();
}
IDictionary <long, object> freedIds = new Dictionary <long, object>();
for (long i = 0; i < capacity; i += 2)
{
idGenerator.FreeId(i);
freedIds[i] = this;
}
CloseIdGenerator(idGenerator);
idGenerator = new IdGeneratorImpl(_fs, IdGeneratorFile(), 2000, capacity * 2, false, IdType.NODE, () => 0L);
for (int i = 0; i < capacity; i += 2)
{
assertEquals(this, freedIds.Remove(idGenerator.NextId()));
}
assertEquals(0, freedIds.Values.Count);
CloseIdGenerator(idGenerator);
}
finally
{
File file = IdGeneratorFile();
if (file.exists())
{
assertTrue(file.delete());
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(expected = IllegalArgumentException.class) public void cannotCreateIdGeneratorWithNullFileSystem()
public virtual void CannotCreateIdGeneratorWithNullFileSystem()
{
IdGeneratorImpl.createGenerator(null, IdGeneratorFile(), 0, false);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(expected = IllegalArgumentException.class) public void cannotCreateIdGeneratorWithNullFile()
public virtual void CannotCreateIdGeneratorWithNullFile()
{
IdGeneratorImpl.createGenerator(_fs, null, 0, false);
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(expected = IllegalArgumentException.class) public void grabSizeCannotBeNegative()
public virtual void GrabSizeCannotBeNegative()
{
IdGeneratorImpl.createGenerator(_fs, IdGeneratorFile(), 0, false);
(new IdGeneratorImpl(_fs, IdGeneratorFile(), -1, 100, false, IdType.NODE, () => 0L)).Dispose();
}