org.eclipse.scada.da.server.osgi.modbus

Class ModbusRequestBlock

java.lang.Object

org.eclipse.scada.da.server.common.memory.AbstractRequestBlock

org.eclipse.scada.da.server.osgi.modbus.ModbusRequestBlock

All Implemented Interfaces:

PollRequest, MemoryRequestBlock

public class ModbusRequestBlock
extends AbstractRequestBlock

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.scada.da.server.common.memory.AbstractRequestBlock

AbstractRequestBlock.Statistics

Constructor Summary

Constructors

Constructor and Description
ModbusRequestBlock(Executor executor, String id, String name, String mainTypeName, ModbusSlave slave, org.osgi.framework.BundleContext context, Request request, AtomicInteger transactionId, boolean enableStatistics)

Method Summary

Modifier and Type	Method and Description
Object	createPollRequest() Create poll request
long	getPollRequestTimeout() Get the requested timeout in milliseconds
Request	getRequest() The the configured request
int	getStartAddress()
protected void	handleData(ReadResponse readResponse)
void	handleFailure(Throwable e)
boolean	handleMessage(Object message) Handle an incoming message while the job was active
String	toString()
void	writeBit(int blockAddress, int subIndex, boolean value) Write a bit
void	writeData(int blockAddress, byte[] data)

Methods inherited from class org.eclipse.scada.da.server.common.memory.AbstractRequestBlock

calculatePriority, dispose, handleData, handleDisconnect, handleError, handleTimeout, initialize, recordChecksumError, recordUpdate, requestUpdate, setVariables, updatePriority

Methods inherited from class java.lang.Object

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

Constructor Detail

ModbusRequestBlock

public ModbusRequestBlock(Executor executor,
                          String id,
                          String name,
                          String mainTypeName,
                          ModbusSlave slave,
                          org.osgi.framework.BundleContext context,
                          Request request,
                          AtomicInteger transactionId,
                          boolean enableStatistics)

Method Detail

getPollRequestTimeout

public long getPollRequestTimeout()

Description copied from interface: PollRequest

Get the requested timeout in milliseconds

Returns:

the poll request timeout in milliseconds, less then or equal to zero means no timeout handling

getRequest

public Request getRequest()

The the configured request

Returns:

the request

toString

public String toString()

Overrides:

toString in class Object

handleFailure

public void handleFailure(Throwable e)

Specified by:

handleFailure in interface PollRequest

Overrides:

handleFailure in class AbstractRequestBlock

handleMessage

public boolean handleMessage(Object message)

Description copied from interface: PollRequest

Handle an incoming message while the job was active

Parameters:

message - the incoming message

Returns:

if the message as processed

handleData

protected void handleData(ReadResponse readResponse)

createPollRequest

public Object createPollRequest()

Description copied from interface: PollRequest

Create poll request

getStartAddress

public int getStartAddress()

writeBit

public void writeBit(int blockAddress,
                     int subIndex,
                     boolean value)

Description copied from interface: MemoryRequestBlock

Write a bit

Parameters:

blockAddress - the address relative to the block start address

subIndex - the bit index at the block address (normally 0..8)

value - the value to write

writeData

public void writeData(int blockAddress,
                      byte[] data)