org.epics.gpclient.datasource.ca.types

Class CATypeAdapter

java.lang.Object

org.epics.gpclient.datasource.ca.types.CATypeAdapter

All Implemented Interfaces:

DataSourceTypeAdapter<CAConnectionPayload,CAMessagePayload>

public abstract class CATypeAdapter
extends Object
implements DataSourceTypeAdapter<CAConnectionPayload,CAMessagePayload>

Constructor Summary

Constructors

Constructor and Description
CATypeAdapter(Class<?> typeClass, gov.aps.jca.dbr.DBRType epicsValueType, gov.aps.jca.dbr.DBRType epicsMetaType, Boolean array) Creates a new type adapter.

Method Summary

Modifier and Type	Method and Description
abstract Object	createValue(gov.aps.jca.dbr.DBR message, gov.aps.jca.dbr.DBR metadata, CAConnectionPayload connPayload) Given the value create the new value.
Object	getSubscriptionParameter(ReadCollector<?,?> cache, CAConnectionPayload connection)
boolean	match(ReadCollector<?,?> cache, CAConnectionPayload connectionPayload)
void	updateCache(ReadCollector cache, CAConnectionPayload connection, CAMessagePayload message)

Methods inherited from class java.lang.Object

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

Constructor Detail

CATypeAdapter

public CATypeAdapter(Class<?> typeClass,
                     gov.aps.jca.dbr.DBRType epicsValueType,
                     gov.aps.jca.dbr.DBRType epicsMetaType,
                     Boolean array)

Creates a new type adapter.

Parameters:

typeClass - the java type this adapter will create

epicsValueType - the epics type used for the monitor

epicsMetaType - the epics type for the get at connection time; null if no metadata is needed

array - true whether this will require an array type

Method Detail

match

public boolean match(ReadCollector<?,?> cache,
                     CAConnectionPayload connectionPayload)

Specified by:

match in interface DataSourceTypeAdapter<CAConnectionPayload,CAMessagePayload>

getSubscriptionParameter

public Object getSubscriptionParameter(ReadCollector<?,?> cache,
                                       CAConnectionPayload connection)

Specified by:

getSubscriptionParameter in interface DataSourceTypeAdapter<CAConnectionPayload,CAMessagePayload>

updateCache

public void updateCache(ReadCollector cache,
                        CAConnectionPayload connection,
                        CAMessagePayload message)

Specified by:

updateCache in interface DataSourceTypeAdapter<CAConnectionPayload,CAMessagePayload>

createValue

public abstract Object createValue(gov.aps.jca.dbr.DBR message,
                                   gov.aps.jca.dbr.DBR metadata,
                                   CAConnectionPayload connPayload)

Given the value create the new value.

Parameters:

message - the value taken from the monitor

metadata - the value field metadata, optional

connPayload - connection playload

Returns:

the new value