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java.lang.Objectorg.apache.mina.core.polling.AbstractPollingIoProcessor<NioSession>
org.apache.mina.transport.socket.nio.NioProcessor
public final class NioProcessor
TODO Add documentation
Nested Class Summary | |
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protected static class |
NioProcessor.IoSessionIterator
|
Nested classes/interfaces inherited from class org.apache.mina.core.polling.AbstractPollingIoProcessor |
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AbstractPollingIoProcessor.SessionState |
Constructor Summary | |
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NioProcessor(Executor executor)
Creates a new instance of NioProcessor. |
Method Summary | |
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protected Iterator<NioSession> |
allSessions()
Get an Iterator for the list of IoSession polled by this
IoProcessor |
protected void |
destroy(NioSession session)
Destroy the underlying client socket handle |
protected void |
dispose0()
Dispose the resources used by this IoProcessor for polling
the client connections |
protected void |
init(NioSession session)
Initialize the polling of a session. |
protected boolean |
isInterestedInRead(NioSession session)
is this session registered for reading |
protected boolean |
isInterestedInWrite(NioSession session)
is this session registered for writing |
protected boolean |
isReadable(NioSession session)
Is the session ready for reading |
protected boolean |
isSelectorEmpty()
Say if the list of IoSession polled by this IoProcessor
is empty |
protected boolean |
isWritable(NioSession session)
Is the session ready for writing |
protected int |
read(NioSession session,
IoBuffer buf)
Reads a sequence of bytes from a IoSession into the given IoBuffer . |
protected boolean |
select(int timeout)
poll those sessions for the given timeout |
protected Iterator<NioSession> |
selectedSessions()
Get an Iterator for the list of IoSession found selected
by the last call of {@link AbstractPollingIoProcessor#select(int) |
protected void |
setInterestedInRead(NioSession session,
boolean value)
register a session for reading |
protected void |
setInterestedInWrite(NioSession session,
boolean value)
register a session for writing |
protected AbstractPollingIoProcessor.SessionState |
state(NioSession session)
Get the sate of a session (preparing, open, closed) |
protected int |
transferFile(NioSession session,
FileRegion region,
int length)
Write a part of a file to a IoSession , if the underlying API isn't supporting
system calls like sendfile(), you can throw a UnsupportedOperationException so
the file will be send using usual AbstractPollingIoProcessor.write(AbstractIoSession, IoBuffer, int) call. |
protected void |
wakeup()
Interrupt the {@link AbstractPollingIoProcessor#select(int) call. |
protected int |
write(NioSession session,
IoBuffer buf,
int length)
Write a sequence of bytes to a IoSession , means to be called when a session
was found ready for writing. |
Methods inherited from class org.apache.mina.core.polling.AbstractPollingIoProcessor |
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add, dispose, flush, isDisposed, isDisposing, remove, updateTrafficMask |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public NioProcessor(Executor executor)
executor
- Method Detail |
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protected void dispose0() throws Exception
AbstractPollingIoProcessor
IoProcessor
for polling
the client connections
dispose0
in class AbstractPollingIoProcessor<NioSession>
Exception
- if some low level IO error occursprotected boolean select(int timeout) throws Exception
AbstractPollingIoProcessor
select
in class AbstractPollingIoProcessor<NioSession>
timeout
- milliseconds before the call timeout if no event appear
Exception
- if some low level IO error occursprotected boolean isSelectorEmpty()
AbstractPollingIoProcessor
IoSession
polled by this IoProcessor
is empty
isSelectorEmpty
in class AbstractPollingIoProcessor<NioSession>
IoProcessor
protected void wakeup()
AbstractPollingIoProcessor
wakeup
in class AbstractPollingIoProcessor<NioSession>
protected Iterator<NioSession> allSessions()
AbstractPollingIoProcessor
Iterator
for the list of IoSession
polled by this
IoProcessor
allSessions
in class AbstractPollingIoProcessor<NioSession>
Iterator
of IoSession
protected Iterator<NioSession> selectedSessions()
AbstractPollingIoProcessor
Iterator
for the list of IoSession
found selected
by the last call of {@link AbstractPollingIoProcessor#select(int)
selectedSessions
in class AbstractPollingIoProcessor<NioSession>
Iterator
of IoSession
read for I/Os operationprotected void init(NioSession session) throws Exception
AbstractPollingIoProcessor
init
in class AbstractPollingIoProcessor<NioSession>
session
- the IoSession
to add to the polling
Exception
- any exception thrown by the underlying system callsprotected void destroy(NioSession session) throws Exception
AbstractPollingIoProcessor
destroy
in class AbstractPollingIoProcessor<NioSession>
session
- the IoSession
Exception
- any exception thrown by the underlying system callsprotected AbstractPollingIoProcessor.SessionState state(NioSession session)
AbstractPollingIoProcessor
state
in class AbstractPollingIoProcessor<NioSession>
session
- the IoSession
to inspect
protected boolean isReadable(NioSession session)
AbstractPollingIoProcessor
isReadable
in class AbstractPollingIoProcessor<NioSession>
session
- the session queried
protected boolean isWritable(NioSession session)
AbstractPollingIoProcessor
isWritable
in class AbstractPollingIoProcessor<NioSession>
session
- the session queried
protected boolean isInterestedInRead(NioSession session)
AbstractPollingIoProcessor
isInterestedInRead
in class AbstractPollingIoProcessor<NioSession>
session
- the session queried
protected boolean isInterestedInWrite(NioSession session)
AbstractPollingIoProcessor
isInterestedInWrite
in class AbstractPollingIoProcessor<NioSession>
session
- the session queried
protected void setInterestedInRead(NioSession session, boolean value) throws Exception
AbstractPollingIoProcessor
setInterestedInRead
in class AbstractPollingIoProcessor<NioSession>
session
- the session registeredvalue
- true for registering, false for removing
Exception
protected void setInterestedInWrite(NioSession session, boolean value) throws Exception
AbstractPollingIoProcessor
setInterestedInWrite
in class AbstractPollingIoProcessor<NioSession>
session
- the session registeredvalue
- true for registering, false for removing
Exception
protected int read(NioSession session, IoBuffer buf) throws Exception
AbstractPollingIoProcessor
IoSession
into the given IoBuffer
.
Is called when the session was found ready for reading.
read
in class AbstractPollingIoProcessor<NioSession>
session
- the session to readbuf
- the buffer to fill
Exception
- any exception thrown by the underlying system callsprotected int write(NioSession session, IoBuffer buf, int length) throws Exception
AbstractPollingIoProcessor
IoSession
, means to be called when a session
was found ready for writing.
write
in class AbstractPollingIoProcessor<NioSession>
session
- the session to writebuf
- the buffer to writelength
- the number of bytes to write can be superior to the number of bytes remaining
in the buffer
Exception
- any exception thrown by the underlying system callsprotected int transferFile(NioSession session, FileRegion region, int length) throws Exception
AbstractPollingIoProcessor
IoSession
, if the underlying API isn't supporting
system calls like sendfile(), you can throw a UnsupportedOperationException
so
the file will be send using usual AbstractPollingIoProcessor.write(AbstractIoSession, IoBuffer, int)
call.
transferFile
in class AbstractPollingIoProcessor<NioSession>
session
- the session to writeregion
- the file region to writelength
- the length of the portion to send
Exception
- any exception thrown by the underlying system calls
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