//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldPruneReadersOfVersion() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldPruneReadersOfVersion()
{
// given
_pool = new ReaderPool(8, Instance, _fileNames, _fsa, _clock);
Reader readerA = spy(_pool.acquire(0, 0));
Reader readerB = spy(_pool.acquire(1, 0));
Reader readerC = spy(_pool.acquire(1, 0));
Reader readerD = spy(_pool.acquire(2, 0));
_pool.release(readerA);
_pool.release(readerB);
_pool.release(readerC);
_pool.release(readerD);
// when
_pool.prune(1);
// then
verify(readerA, never()).close();
verify(readerB).close();
verify(readerC).close();
verify(readerD, never()).close();
// when
_pool.prune(0);
// then
verify(readerA).close();
verify(readerD, never()).close();
// when
_pool.prune(2);
// then
verify(readerD).close();
}
/// <summary>
/// Channels must be closed when no longer used, so that they are released back to the pool of readers.
/// </summary>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: org.neo4j.cursor.IOCursor<org.neo4j.causalclustering.core.consensus.log.EntryRecord> getCursor(long logIndex) throws java.io.IOException, DisposedException
internal virtual IOCursor <EntryRecord> GetCursor(long logIndex)
{
Debug.Assert(logIndex > _header.prevIndex());
if (!_refCount.increase())
{
throw new DisposedException();
}
/* This is the relative index within the file, starting from zero. */
long offsetIndex = logIndex - (_header.prevIndex() + 1);
LogPosition position = _positionCache.lookup(offsetIndex);
Reader reader = _readerPool.acquire(_version, position.ByteOffset);
try
{
long currentIndex = position.LogIndex;
return(new EntryRecordCursor(reader, _contentMarshal, currentIndex, offsetIndex, this));
}
catch (EndOfStreamException)
{
_readerPool.release(reader);
_refCount.decrease();
return(IOCursor.Empty);
}
catch (IOException e)
{
reader.Dispose();
_refCount.decrease();
throw e;
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldReacquireReaderFromPool() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldReacquireReaderFromPool()
{
// given
Reader reader = _pool.acquire(0, 0);
_pool.release(reader);
// when
Reader newReader = _pool.acquire(0, 0);
// then
verify(_fsa, times(1)).open(any(), any());
assertThat(reader, @is(newReader));
}