org.ogema.driver.modbus

Class Channel

java.lang.Object

org.ogema.driver.modbus.Channel

Direct Known Subclasses:

CoilChannel, DiscreteChannel, HoldingChannel, InputChannel

public abstract class Channel
extends Object

This class manages the driver data for each channel

Author:

pau

Field Summary

Fields

Modifier and Type	Field and Description
protected org.ogema.core.channelmanager.driverspi.ChannelLocator	locator
static String	TYPE_COIL
static String	TYPE_DISCRETE
static String	TYPE_HOLDING
static String	TYPE_INPUT

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Channel(org.ogema.core.channelmanager.driverspi.ChannelLocator locator)

Method Summary

Modifier and Type	Method and Description
static Channel	createChannel(org.ogema.core.channelmanager.driverspi.ChannelLocator locator) Channel Factory
org.ogema.core.channelmanager.driverspi.ChannelLocator	getChannelLocator()
abstract org.ogema.core.channelmanager.measurements.SampledValue	readValue(Connection connection)
abstract void	writeValue(Connection connection, org.ogema.core.channelmanager.measurements.Value value)

Methods inherited from class java.lang.Object

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

Field Detail

TYPE_INPUT

public static final String TYPE_INPUT

See Also:

Constant Field Values

TYPE_HOLDING

public static final String TYPE_HOLDING

See Also:

Constant Field Values

TYPE_DISCRETE

public static final String TYPE_DISCRETE

See Also:

Constant Field Values

TYPE_COIL

public static final String TYPE_COIL

See Also:

Constant Field Values

locator

protected org.ogema.core.channelmanager.driverspi.ChannelLocator locator

Constructor Detail

Channel

protected Channel(org.ogema.core.channelmanager.driverspi.ChannelLocator locator)

Method Detail

createChannel

public static Channel createChannel(org.ogema.core.channelmanager.driverspi.ChannelLocator locator)
                             throws IllegalArgumentException

Channel Factory

Parameters:

locator -

Returns:

Throws:

IllegalArgumentException

getChannelLocator

public org.ogema.core.channelmanager.driverspi.ChannelLocator getChannelLocator()

readValue

public abstract org.ogema.core.channelmanager.measurements.SampledValue readValue(Connection connection)
                                                                           throws IOException

Throws:

IOException

writeValue

public abstract void writeValue(Connection connection,
                                org.ogema.core.channelmanager.measurements.Value value)
                         throws IOException

Throws:

IOException