//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 WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static ByteBuffer readLong(org.neo4j.io.fs.StoreChannel readChannel) throws java.io.IOException
private static ByteBuffer ReadLong(StoreChannel readChannel)
{
ByteBuffer readBuffer = allocate(8);
readChannel.ReadAll(readBuffer);
readBuffer.flip();
return(readBuffer);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private String readFailure(java.io.File failureFile) throws java.io.IOException
private string ReadFailure(File failureFile)
{
using (StoreChannel channel = _fs.open(failureFile, OpenMode.READ))
{
sbyte[] data = new sbyte[( int )channel.size()];
channel.ReadAll(ByteBuffer.wrap(data));
return(UTF8.decode(WithoutZeros(data)));
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private boolean isFailed(java.io.File failureFile) throws java.io.IOException
private bool IsFailed(File failureFile)
{
using (StoreChannel channel = _fs.open(failureFile, OpenMode.READ))
{
sbyte[] data = new sbyte[( int )channel.size()];
channel.ReadAll(ByteBuffer.wrap(data));
channel.close();
return(!AllZero(data));
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private ByteBuffer readFile(java.io.File file) throws java.io.IOException
private ByteBuffer ReadFile(File file)
{
using (StoreChannel channel = FileSystemRule.get().open(file, OpenMode.READ))
{
ByteBuffer buffer = ByteBuffer.allocate(( int )channel.size());
channel.ReadAll(buffer);
buffer.flip();
return(buffer);
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void createShouldClearExistingFile() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void CreateShouldClearExistingFile()
{
// given
sbyte[] someBytes = FileWithContent();
// when
Populator.create();
// then
using (StoreChannel r = fs.open(IndexFile, OpenMode.READ))
{
sbyte[] firstBytes = new sbyte[someBytes.Length];
r.ReadAll(ByteBuffer.wrap(firstBytes));
assertNotEquals("Expected previous file content to have been cleared but was still there", someBytes, firstBytes);
}
Populator.close(true);
}
/// <summary>
/// Store failure in failure file for index with the given id
/// </summary>
/// <param name="failure"> message describing the failure that needs to be stored </param>
/// <exception cref="IOException"> if the failure could not be stored </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public synchronized void storeIndexFailure(String failure) throws java.io.IOException
public virtual void StoreIndexFailure(string failure)
{
lock (this)
{
File failureFile = failureFile();
using (StoreChannel channel = _fs.open(failureFile, OpenMode.READ_WRITE))
{
sbyte[] existingData = new sbyte[( int )channel.size()];
channel.ReadAll(ByteBuffer.wrap(existingData));
channel.Position(LengthOf(existingData));
sbyte[] data = UTF8.encode(failure);
channel.WriteAll(ByteBuffer.wrap(data, 0, Math.Min(data.Length, MAX_FAILURE_SIZE)));
channel.Force(true);
channel.close();
}
}
}
private static void VerifyFileIsFullOfLongIntegerOnes(StoreChannel channel)
{
try
{
long claimedSize = channel.size();
ByteBuffer buffer = allocate(( int )claimedSize);
channel.ReadAll(buffer);
buffer.flip();
for (int position = 0; position < claimedSize; position += 8)
{
long value = buffer.getLong(position);
assertEquals(1, value);
}
}
catch (IOException e)
{
throw new Exception(e);
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void readAll(ByteBuffer dst) throws java.io.IOException
public override void ReadAll(ByteBuffer dst)
{
@delegate.ReadAll(dst);
}