org.jlab.coda.emu.support.transport

Class DataChannelImplFile

java.lang.Object

org.jlab.coda.emu.support.codaComponent.CODAStateMachineAdapter

org.jlab.coda.emu.support.transport.DataChannelAdapter

org.jlab.coda.emu.support.transport.DataChannelImplFile

All Implemented Interfaces:

CODAStateMachine, StatedObject, DataChannel

public class DataChannelImplFile
extends DataChannelAdapter

Implementation of a DataChannel reading/writing from/to a file in EVIO format.

Author:

heyes, timmer (Nov 10, 2008)

Nested Class Summary

Nested classes/interfaces inherited from class org.jlab.coda.emu.support.transport.DataChannelAdapter

DataChannelAdapter.ThreadState

Field Summary

Fields inherited from class org.jlab.coda.emu.support.transport.DataChannelAdapter

availableSequences, bAddrList, buffersPerSec, byteOrder, channelState, dataTransport, emu, endCallback, errorMsg, eventsPerBuffer, gotEndCmd, gotResetCmd, id, ignoreDataErrors, input, inputRingItemCount, ipAddrList, isFifo, logger, module, name, nanoSecPerBuf, nextEvent, nextSequences, outputChannelCount, outputChannelFill, outputIndex, outputModuleInternalRingCount, outputRingCount, outputRingItemCount, pause, prescale, prestartCallback, regulateBufferRate, ringBufferIn, ringBuffersOut, ringIndex, sequenceBarriers, sequences, singleEventOut, totalRingCapacity

Constructor Summary

Constructors

Constructor and Description
DataChannelImplFile(java.lang.String name, DataTransportImplFile transport, java.util.Map<java.lang.String,java.lang.String> attributeMap, boolean input, Emu emu, EmuModule module, int outputIndex) Constructor DataChannelImplFile creates a new DataChannelImplFile instance.

Method Summary

Modifier and Type	Method and Description
void	end() This method implements the END transition of the CODA run control state machine.
TransportType	getTransportType() Get the type of transport this channel implements.
void	go() This method implements the GO transition of the CODA run control state machine.
void	pause() This method implements the PAUSE transition of the CODA run control state machine.
void	reset() This method implements the RESET transition of the CODA run control state machine.

Methods inherited from class org.jlab.coda.emu.support.transport.DataChannelAdapter

getDataTransport, getEndCallback, getError, getID, getInputLevel, getModule, getNextOutputRingItem, getNextSequence, getOutputLevel, getOutputRingCount, getPrescale, getPrestartCallback, getRecordId, getRingBufferIn, getRingBuffersOut, gotoNextRingItem, isInput, name, prestart, registerEndCallback, registerPrestartCallback, regulateOutputBufferRate, releaseCurrentAndGoToNextOutputRingItem, releaseOutputRingItem, sequentialReleaseOutputRingItem, setDestinationBaList, setDestinationIpList, setNextEventAndRing, setRecordId, setupInputRingBuffers, setupOutputRingBuffers, state

Methods inherited from class org.jlab.coda.emu.support.codaComponent.CODAStateMachineAdapter

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Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.jlab.coda.emu.support.codaComponent.CODAStateMachine

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Constructor Detail

DataChannelImplFile

DataChannelImplFile(java.lang.String name,
                    DataTransportImplFile transport,
                    java.util.Map<java.lang.String,java.lang.String> attributeMap,
                    boolean input,
                    Emu emu,
                    EmuModule module,
                    int outputIndex)
             throws DataTransportException

Constructor DataChannelImplFile creates a new DataChannelImplFile instance.

Parameters:

name - name of file channel

transport - DataTransport object that created this channel

attributeMap - the hashmap of config file attributes for this channel

input - true if this is an input

emu - emu this channel belongs to

module - module this channel belongs to

outputIndex - order in which module's events will be sent to this output channel (0 for first output channel, 1 for next, etc.).

Throws:

DataTransportException - if unable to create fifo buffer.

Method Detail

getTransportType

public TransportType getTransportType()

Get the type of transport this channel implements.

Specified by:

getTransportType in interface DataChannel

Specified by:

getTransportType in class DataChannelAdapter

Returns:

type of transport this channel implements.

go

public void go()

This method implements the GO transition of the CODA run control state machine.

Specified by:

go in interface CODAStateMachine

Overrides:

go in class CODAStateMachineAdapter

pause

public void pause()

This method implements the PAUSE transition of the CODA run control state machine.

Specified by:

pause in interface CODAStateMachine

Overrides:

pause in class CODAStateMachineAdapter

end

public void end()

This method implements the END transition of the CODA run control state machine.

Specified by:

end in interface CODAStateMachine

Overrides:

end in class CODAStateMachineAdapter

reset

public void reset()

This method implements the RESET transition of the CODA run control state machine.

Specified by:

reset in interface CODAStateMachine

Overrides:

reset in class CODAStateMachineAdapter