org.epics.pvmanager

Class ChannelHandlerReadSubscription

java.lang.Object

org.epics.pvmanager.ChannelHandlerReadSubscription

public class ChannelHandlerReadSubscription
extends Object

Groups all the parameters required to add a reader to a ChannelHandler.

All parameters where grouped in this class so that if something needs to be added or removed the impact is lessened. The class is immutable so that the ChannelHandler can cache it for reference.

Author:

carcassi

Constructor Summary

Constructors

Constructor and Description
ChannelHandlerReadSubscription(ValueCache<?> valueCache, WriteFunction<Exception> exceptionWriteFunction, WriteFunction<Boolean> connectionWriteFunction) Creates the parameters for a new subscription.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj)
WriteFunction<Boolean>	getConnectionWriteFunction() The write function for the connection flag.
WriteFunction<Exception>	getExceptionWriteFunction() The write function for exceptions.
ValueCache<?>	getValueCache() The cache where to write the value.
int	hashCode()

Methods inherited from class java.lang.Object

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

Constructor Detail

ChannelHandlerReadSubscription

public ChannelHandlerReadSubscription(ValueCache<?> valueCache,
                              WriteFunction<Exception> exceptionWriteFunction,
                              WriteFunction<Boolean> connectionWriteFunction)

Creates the parameters for a new subscription.

Parameters:

valueCache - the cache where to write the value

exceptionWriteFunction - the write function to dispatch exceptions

connectionWriteFunction - the connection write function to dispatch exceptions

Method Detail

getValueCache

public ValueCache<?> getValueCache()

The cache where to write the value.

Returns:

never null

getExceptionWriteFunction

public WriteFunction<Exception> getExceptionWriteFunction()

The write function for exceptions.

Returns:

never null

getConnectionWriteFunction

public WriteFunction<Boolean> getConnectionWriteFunction()

The write function for the connection flag.

Returns:

never null

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object