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## org.apache.catalina.tribes.transport.bio
Class BioReplicationTask

    java.lang.Object
      org.apache.catalina.tribes.transport.AbstractRxTask
          org.apache.catalina.tribes.transport.bio.BioReplicationTask

All Implemented Interfaces:
  java.lang.Runnable

    public class BioReplicationTask

extends AbstractRxTask

A worker thread class which can drain channels and echo-back the input. Each instance is constructed with a reference to the owning thread pool object. When started, the thread loops forever waiting to be awakened to service the channel associated with a SelectionKey object. The worker is tasked by calling its serviceChannel() method with a SelectionKey object. The serviceChannel() method stores the key reference in the thread object then calls notify() to wake it up. When the channel has been drained, the worker thread returns itself to its parent pool.

Author:
  Filip Hanik

Field Summary
`protected static Log` | `log`
`protected ObjectReader` | `reader`
`protected java.net.Socket` | `socket`

Fields inherited from class org.apache.catalina.tribes.transport.AbstractRxTask
`OPTION_DIRECT_BUFFER, useBufferPool`

Constructor Summary
`BioReplicationTask(ListenCallback callback)`

Method Summary
`void` | `close()`
`protected void` | `drainSocket()` The actual code which drains the channel associated with the given key.
`protected void` | `execute(ObjectReader reader)`
`void` | `run()`
`protected void` | `sendAck(byte[] command)` send a reply-acknowledgement (6,2,3)
`void` | `serviceSocket(java.net.Socket socket, ObjectReader reader)`

Methods inherited from class org.apache.catalina.tribes.transport.AbstractRxTask
`getCallback, getOptions, getTaskPool, getUseBufferPool, isDoRun, setCallback, setDoRun, setOptions, setTaskPool, setUseBufferPool`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### log

    protected static Log log

### socket

    protected java.net.Socket socket

### reader

    protected ObjectReader reader

Constructor Detail

### BioReplicationTask

    public BioReplicationTask(ListenCallback callback)

Method Detail

### run

    public void run()

### serviceSocket

    public void serviceSocket(java.net.Socket socket,
                              ObjectReader reader)

### execute

    protected void execute(ObjectReader reader)
                    throws java.lang.Exception

  Throws:
    `java.lang.Exception`

### drainSocket

    protected void drainSocket()
                        throws java.lang.Exception

  The actual code which drains the channel associated with the given key. This method assumes the key has been modified prior to invocation to turn off selection interest in OP_READ. When this method completes it re-enables OP_READ and calls wakeup() on the selector so the selector will resume watching this channel.

  Throws:
    `java.lang.Exception`

### sendAck

    protected void sendAck(byte[] command)

  send a reply-acknowledgement (6,2,3)

### close

    public void close()

  Overrides:
    `close` in class `AbstractRxTask`

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