org.csstudio.utility.pv.epics

Class DBRHelper

java.lang.Object

org.csstudio.utility.pv.epics.DBRHelper

public final class DBRHelper
extends Object

DBRHelper provides utility methods to extract data from JCA types and pack them into PV types.

Method Summary

Modifier and Type	Method and Description
static IMetaData	decodeMetaData(gov.aps.jca.dbr.DBR dbr) Extracts the meta data from the dbr.
static IValue	decodeValue(IMetaData meta, gov.aps.jca.dbr.DBR dbr) Decodes the data.
static gov.aps.jca.dbr.DBRType	getCtrlType(gov.aps.jca.dbr.DBRType type) The CTRL or normal type of the given DBRType.
static gov.aps.jca.dbr.DBRType	getTimeType(gov.aps.jca.dbr.DBRType type) Returns the plain or TIME type for the given dbr type.

Methods inherited from class java.lang.Object

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

Method Detail

getCtrlType

public static gov.aps.jca.dbr.DBRType getCtrlType(gov.aps.jca.dbr.DBRType type)

The CTRL or normal type of the given DBRType.

Parameters:

type - the source from which the new type is generated

Returns:

the CTRL or normal type that matches the type of the given dbr type

decodeMetaData

public static IMetaData decodeMetaData(gov.aps.jca.dbr.DBR dbr)

Extracts the meta data from the dbr.

Parameters:

dbr - the source of data

Returns:

Meta data extracted from dbr

getTimeType

public static gov.aps.jca.dbr.DBRType getTimeType(gov.aps.jca.dbr.DBRType type)

Returns the plain or TIME type for the given dbr type.

Parameters:

type - the source

Returns:

plain or TIME type

decodeValue

public static IValue decodeValue(IMetaData meta,
                                 gov.aps.jca.dbr.DBR dbr)

Decodes the data.

Parameters:

meta - the meta information

dbr - the source of data

Returns:

decoded data as IValue implementation that matches the dbr type