org.epics.pvmanager.expression

Class ChannelExpression<R,W>

java.lang.Object

org.epics.pvmanager.expression.SourceRateReadWriteExpressionListImpl<R,W>

org.epics.pvmanager.expression.SourceRateReadWriteExpressionImpl<R,W>

org.epics.pvmanager.expression.ChannelExpression<R,W>

Type Parameters:

R - type of the read payload

W - type of the write payload

All Implemented Interfaces:

SourceRateExpression<R>, SourceRateExpressionList<R>, SourceRateReadWriteExpression<R,W>, SourceRateReadWriteExpressionList<R,W>, WriteExpression<W>, WriteExpressionList<W>

public class ChannelExpression<R,W>
extends SourceRateReadWriteExpressionImpl<R,W>

Represents a channel, which can be both read or written.

Author:

carcassi

Constructor Summary

Constructors

Constructor and Description
ChannelExpression(Class<R> readClass, Class<W> writeClass) Constructor for the null channel.
ChannelExpression(String channelName, Class<R> readClass, Class<W> writeClass) An expression for a channel with the given name, which is expected to provide a read payload of readClass and accept a write payload of writeClass.

Method Summary

Methods

Modifier and Type	Method and Description
ChannelExpression<R,W>	after(String... channelNames) For writes only, marks that this channel should be written only after the given channels.

Methods inherited from class org.epics.pvmanager.expression.SourceRateReadWriteExpressionImpl

as, fillWriteRecipe, getFunction, getName, getSourceRateExpressionImpl, getWriteExpressionImpl, getWriteFunction

Methods inherited from class org.epics.pvmanager.expression.SourceRateReadWriteExpressionListImpl

and, and, and, getSourceRateExpressions, getSourceRateReadWriteExpressions, getWriteExpressions

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.epics.pvmanager.expression.SourceRateReadWriteExpressionList

and, getSourceRateReadWriteExpressions

Methods inherited from interface org.epics.pvmanager.expression.SourceRateExpressionList

and, getSourceRateExpressions

Methods inherited from interface org.epics.pvmanager.expression.WriteExpressionList

and, getWriteExpressions

Constructor Detail

ChannelExpression

public ChannelExpression(String channelName,
                 Class<R> readClass,
                 Class<W> writeClass)

An expression for a channel with the given name, which is expected to provide a read payload of readClass and accept a write payload of writeClass.

Parameters:

channelName - the name of the channel

readClass - type of the read payload

writeClass - type of the write payload

ChannelExpression

public ChannelExpression(Class<R> readClass,
                 Class<W> writeClass)

Constructor for the null channel.

Parameters:

readClass - type of the read payload

writeClass - type of the write payload

Method Detail

after

public ChannelExpression<R,W> after(String... channelNames)

For writes only, marks that this channel should be written only after the given channels.

Parameters:

channelNames - preceding channel names

Returns:

this