public abstract class Transceiver extends Object implements Closeable
Requestor
.Constructor and Description |
---|
Transceiver() |
Modifier and Type | Method and Description |
---|---|
void |
close() |
Protocol |
getRemote()
Returns the protocol passed to
setRemote(Protocol) . |
abstract String |
getRemoteName() |
boolean |
isConnected()
True if a handshake has been completed for this connection.
|
void |
lockChannel()
Acquires an exclusive lock on the transceiver's channel.
|
abstract List<ByteBuffer> |
readBuffers()
Called by the default definition of
transceive(List) . |
void |
setRemote(Protocol protocol)
Called with the remote protocol when a handshake has been completed.
|
List<ByteBuffer> |
transceive(List<ByteBuffer> request)
Called by
Requestor.request(String,Object) for two-way messages. |
void |
transceive(List<ByteBuffer> request,
Callback<List<ByteBuffer>> callback)
Called by
Requestor.request(String,Object,Callback) for two-way messages using callbacks. |
void |
unlockChannel()
Releases the lock on the transceiver's channel if held by the calling thread.
|
abstract void |
writeBuffers(List<ByteBuffer> buffers)
Called by
Requestor.request(String,Object) for one-way messages. |
public abstract String getRemoteName() throws IOException
IOException
public void lockChannel()
public void unlockChannel()
public List<ByteBuffer> transceive(List<ByteBuffer> request) throws IOException
Requestor.request(String,Object)
for two-way messages.
By default calls writeBuffers(List)
followed by
readBuffers()
.IOException
public void transceive(List<ByteBuffer> request, Callback<List<ByteBuffer>> callback) throws IOException
Requestor.request(String,Object,Callback)
for two-way messages using callbacks.IOException
public abstract List<ByteBuffer> readBuffers() throws IOException
transceive(List)
.IOException
public abstract void writeBuffers(List<ByteBuffer> buffers) throws IOException
Requestor.request(String,Object)
for one-way messages.IOException
public boolean isConnected()
public void setRemote(Protocol protocol)
isConnected()
should return true and #getRemote() should return this
protocol. Does nothing by default.public Protocol getRemote()
setRemote(Protocol)
. Throws
IllegalStateException by default.public void close() throws IOException
close
in interface Closeable
close
in interface AutoCloseable
IOException
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