final DataLocator dataLocator;
final RingIndex ringIndex;
if (type == Type.LOCAL) {
ringIndex = new LocalRingIndex();
dataLocator = new LocalDataLocator(capacity);
} else if (type == Type.SHARED) {
final String tmp = System.getProperty("java.io.tmpdir");
final File file = new File(tmp + fileName);
if (deleteOnExit)
file.deleteOnExit();
int ringIndexLocationsStart = 0;
int ringIndexLocationsLen = SIZE_OF_INT * 2;
int storeLen = capacity * align(maxSize, 4);
final MappedStore ms = new MappedStore(file, FileChannel.MapMode.READ_WRITE, ringIndexLocationsLen + storeLen);
final DirectBytes ringIndexSlice = ms.bytes(ringIndexLocationsStart, ringIndexLocationsLen);
ringIndex = new SharedRingIndex(ringIndexSlice);
// provides an index to the data in the ring buffer, the size of this index is proportional to the capacity of the ring buffer
final DirectBytes storeSlice = ms.bytes(ringIndexLocationsLen, storeLen);
dataLocator = new SharedLocalDataLocator(capacity, maxSize, storeSlice, clazz);
} else if (type == Type.REMOTE_PRODUCER || type == Type.REMOTE_CONSUMER) {
final int bufferSize = capacity * align(maxSize, 4);
final ByteBuffer buffer = ByteBuffer.allocateDirect(bufferSize).order(ByteOrder.nativeOrder());
final ByteBufferBytes byteBufferBytes = new ByteBufferBytes(buffer);
final BytesDataLocator<E, ByteBufferBytes> bytesDataLocator = new BytesDataLocator<E, ByteBufferBytes>(
clazz,
capacity,
maxSize,
byteBufferBytes.slice(),
byteBufferBytes.slice());
if (type == Type.REMOTE_PRODUCER) {
final Producer producer = new Producer<E, ByteBufferBytes>(new LocalRingIndex(), bytesDataLocator, bytesDataLocator, new ServerSocketChannelProvider(port), bytesDataLocator, buffer);
ringIndex = producer;
dataLocator = producer;
} else {
ringIndex = new Consumer<ByteBufferBytes>(new LocalRingIndex(), bytesDataLocator, bytesDataLocator, new ClientSocketChannelProvider(port, host), buffer);
dataLocator = bytesDataLocator;
}
} else {
throw new IllegalArgumentException("Unsupported Type=" + type);