| 1 | package net.spy.memcached.protocol.ascii; |
| 2 | |
| 3 | import java.net.SocketAddress; |
| 4 | import java.nio.channels.SocketChannel; |
| 5 | import java.util.concurrent.BlockingQueue; |
| 6 | |
| 7 | import net.spy.memcached.ops.GetOperation; |
| 8 | import net.spy.memcached.ops.Operation; |
| 9 | import net.spy.memcached.ops.OperationState; |
| 10 | import net.spy.memcached.protocol.ProxyCallback; |
| 11 | import net.spy.memcached.protocol.TCPMemcachedNodeImpl; |
| 12 | |
| 13 | /** |
| 14 | * Memcached node for the ASCII protocol. |
| 15 | */ |
| 16 | public final class AsciiMemcachedNodeImpl extends TCPMemcachedNodeImpl { |
| 17 | |
| 18 | public AsciiMemcachedNodeImpl(SocketAddress sa, SocketChannel c, |
| 19 | int bufSize, BlockingQueue<Operation> rq, |
| 20 | BlockingQueue<Operation> wq, BlockingQueue<Operation> iq) { |
| 21 | super(sa, c, bufSize, rq, wq, iq); |
| 22 | } |
| 23 | |
| 24 | @Override |
| 25 | protected void optimize() { |
| 26 | // make sure there are at least two get operations in a row before |
| 27 | // attempting to optimize them. |
| 28 | if(writeQ.peek() instanceof GetOperation) { |
| 29 | optimizedOp=writeQ.remove(); |
| 30 | if(writeQ.peek() instanceof GetOperation) { |
| 31 | OptimizedGetImpl og=new OptimizedGetImpl( |
| 32 | (GetOperation)optimizedOp); |
| 33 | optimizedOp=og; |
| 34 | |
| 35 | while(writeQ.peek() instanceof GetOperation) { |
| 36 | GetOperationImpl o=(GetOperationImpl) writeQ.remove(); |
| 37 | if(!o.isCancelled()) { |
| 38 | og.addOperation(o); |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | // Initialize the new mega get |
| 43 | optimizedOp.initialize(); |
| 44 | assert optimizedOp.getState() == OperationState.WRITING; |
| 45 | ProxyCallback pcb=(ProxyCallback) og.getCallback(); |
| 46 | getLogger().debug("Set up %s with %s keys and %s callbacks", |
| 47 | this, pcb.numKeys(), pcb.numCallbacks()); |
| 48 | } |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | } |