Publication(
final ClientConductor clientConductor,
final String channel,
final int streamId,
final int sessionId,
final ReadablePosition publicationLimit,
final LogBuffers logBuffers,
final long registrationId) {
final UnsafeBuffer[] buffers = logBuffers.atomicBuffers();
final UnsafeBuffer logMetaDataBuffer = buffers[LOG_META_DATA_SECTION_INDEX];
final UnsafeBuffer[] defaultFrameHeaders = defaultFrameHeaders(logMetaDataBuffer);
final int mtuLength = mtuLength(logMetaDataBuffer);
for (int i = 0; i < PARTITION_COUNT; i++) {
termAppenders[i] =
new TermAppender(
buffers[i], buffers[i + PARTITION_COUNT], defaultFrameHeaders[i], mtuLength);
}
this.clientConductor = clientConductor;
this.channel = channel;
this.streamId = streamId;
this.sessionId = sessionId;
this.logBuffers = logBuffers;
this.logMetaDataBuffer = logMetaDataBuffer;
this.registrationId = registrationId;
this.publicationLimit = publicationLimit;
this.positionBitsToShift = Integer.numberOfTrailingZeros(logBuffers.termLength());
}
@Before
public void setUp() {
when(publicationLimit.getVolatile()).thenReturn(2L * SEND_BUFFER_CAPACITY);
when(logBuffers.atomicBuffers()).thenReturn(buffers);
when(logBuffers.termLength()).thenReturn(TERM_MIN_LENGTH);
initialTermId(logMetaDataBuffer, TERM_ID_1);
activeTermId(logMetaDataBuffer, TERM_ID_1);
for (int i = 0; i < PARTITION_COUNT; i++) {
termBuffers[i] = new UnsafeBuffer(ByteBuffer.allocateDirect(TERM_MIN_LENGTH));
termMetaDataBuffers[i] = new UnsafeBuffer(ByteBuffer.allocateDirect(TERM_META_DATA_LENGTH));
buffers[i] = termBuffers[i];
buffers[i + PARTITION_COUNT] = termMetaDataBuffers[i];
}
buffers[LOG_META_DATA_SECTION_INDEX] = logMetaDataBuffer;
publication =
new Publication(
conductor,
CHANNEL,
STREAM_ID_1,
SESSION_ID_1,
publicationLimit,
logBuffers,
CORRELATION_ID);
publication.incRef();
}
/** Release resources and forcibly close the Publication regardless of reference count. */
void release() {
if (!isClosed) {
isClosed = true;
clientConductor.releasePublication(this);
logBuffers.close();
}
}
/**
* Get the length in bytes for each term partition in the log buffer.
*
* @return the length in bytes for each term partition in the log buffer.
*/
public int termBufferLength() {
return logBuffers.termLength();
}