//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static void writeHeader(org.neo4j.io.fs.FileSystemAbstraction fileSystem, java.io.File file, SegmentHeader header) throws java.io.IOException
private static void WriteHeader(FileSystemAbstraction fileSystem, File file, SegmentHeader header)
{
using (StoreChannel channel = fileSystem.Open(file, OpenMode.READ_WRITE))
{
channel.Position(0);
PhysicalFlushableChannel writer = new PhysicalFlushableChannel(channel, SegmentHeader.Size);
_headerMarshal.marshal(header, writer);
writer.PrepareForFlush().flush();
}
}
/// <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();
}
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public StoreChannel position(long newPosition) throws java.io.IOException
public override StoreChannel Position(long newPosition)
{
return(@delegate.Position(Offset(newPosition)));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotPickCorruptStoreFile() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotPickCorruptStoreFile()
{
// given
Store store = CreateTestStore();
RotationStrategy rotation = store.RotationStrategy;
// when
File[] files = new File[10];
{
Pair <File, KeyValueStoreFile> file = rotation.Create(EMPTY_DATA_PROVIDER, 1);
files[0] = file.First();
for (int txId = 2, i = 1; i < Files.Length; txId <<= 1, i++)
{
KeyValueStoreFile old = file.Other();
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int data = txId;
int data = txId;
file = rotation.Next(file.First(), Headers.HeadersBuilder().put(TX_ID, (long)txId).headers(), data((Entry)(key, value) =>
{
key.putByte(0, ( sbyte )'f');
key.putByte(1, ( sbyte )'o');
key.putByte(2, ( sbyte )'o');
value.putInt(0, data);
}));
old.Dispose();
files[i] = file.First();
}
file.Other().Dispose();
}
// Corrupt the last files
using (StoreChannel channel = _resourceManager.fileSystem().open(files[9], OpenMode.READ_WRITE))
{ // ruin the header
channel.Position(16);
ByteBuffer value = ByteBuffer.allocate(16);
value.put(( sbyte )0);
value.flip();
channel.WriteAll(value);
}
using (StoreChannel channel = _resourceManager.fileSystem().open(files[8], OpenMode.READ_WRITE))
{ // ruin the header
channel.Position(32);
ByteBuffer value = ByteBuffer.allocate(16);
value.put(( sbyte )17);
value.flip();
channel.WriteAll(value);
}
using (StoreChannel channel = _resourceManager.fileSystem().open(files[7], OpenMode.READ_WRITE))
{ // ruin the header
channel.Position(32 + 32 + 32 + 16);
ByteBuffer value = ByteBuffer.allocate(16);
value.putLong(0);
value.putLong(0);
value.flip();
channel.WriteAll(value);
}
// then
using (Lifespan life = new Lifespan())
{
life.Add(store);
assertEquals(64L, store.Headers().get(TX_ID).longValue());
}
}