org.eclipse.scada.da.server.dave

Class DaveRequestBlock

java.lang.Object

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

org.eclipse.scada.da.server.dave.DaveRequestBlock

All Implemented Interfaces:

PollRequest, MemoryRequestBlock

public class DaveRequestBlock
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
DaveRequestBlock(String id, String name, String mainTypeName, DaveDevice device, org.osgi.framework.BundleContext context, DaveReadRequest.Request request, boolean enableStatistics, long period)

Method Summary

Modifier and Type	Method and Description
Object	createPollRequest() Create poll request
long	getPollRequestTimeout() Get the requested timeout in milliseconds
DaveReadRequest.Request	getRequest() The the configured request
int	getStartAddress()
boolean	handleMessage(Object message) Handle an incoming message while the job was active
void	handleResponse(DaveReadResult.Result response) Handle a response from the device
void	handleTimeout()
String	toString()
void	writeBit(int address, 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, handleFailure, 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

DaveRequestBlock

public DaveRequestBlock(String id,
                        String name,
                        String mainTypeName,
                        DaveDevice device,
                        org.osgi.framework.BundleContext context,
                        DaveReadRequest.Request request,
                        boolean enableStatistics,
                        long period)

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 DaveReadRequest.Request getRequest()

The the configured request

Returns:

the request

handleResponse

public void handleResponse(DaveReadResult.Result response)

Handle a response from the device

Parameters:

response - the response to handle

handleTimeout

public void handleTimeout()

Specified by:

handleTimeout in interface PollRequest

Overrides:

handleTimeout in class AbstractRequestBlock

toString

public String toString()

Overrides:

toString in class Object

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

createPollRequest

public Object createPollRequest()

Description copied from interface: PollRequest

Create poll request

getStartAddress

public int getStartAddress()

writeBit

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

Description copied from interface: MemoryRequestBlock

Write a bit

Parameters:

address - 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)