Core Module Address Model Classes

This module contains all class implementing a generic address space model. More...

Data Structures
class	UaNode
	Interface class for OPC UA Nodes created and managed with the SDK. More...
class	UaObject
	Interface for OPC UA Object nodes created and managed with the SDK. More...
class	UaObjectType
	UaObjectType. More...
class	UaVariable
	UaVariable. More...
class	UaVariableType
	UaVariableType. More...
class	UaDataType
	UaDataType. More...
class	UaView
	UaView. More...
class	UaMethod
	UaMethod. More...
class	UaReferenceType
	UaReferenceType. More...
class	UaReferenceLists
	Class implementing the reference handling for UaNodes. More...
class	UaReference
	Interface definition of the UaReference. More...
class	UaRefCrossNodeManager
	UaRefCrossNodeManager. More...
class	UaRefCrossNodeManagerSingle
	UaRefCrossNodeManagerSingle. More...
class	UaRefOutOfServer
	UaRefOutOfServer. More...
class	UaGenericReference
	UaGenericReference. More...
class	UaReferenceCPCopy
	UaGenericReference. More...
class	UaRefOrganizes
	UaRefOrganizes. More...
class	UaRefHasComponent
	UaRefHasComponent. More...
class	UaRefHasHistoricalConfiguration
	UaRefHasHistoricalConfiguration. More...
class	UaRefHasOrderedComponent
	UaRefHasOrderedComponent. More...
class	UaRefHasProperty
	UaRefHasProperty. More...
class	UaRefHasSubtype
	UaRefHasSubtype. More...
class	UaRefHasEventSource
	UaRefHasEventSource. More...
class	UaRefHasNotifier
	UaRefHasNotifier. More...
class	UaRefHasTypeDefinition
	UaRefHasTypeDefinition. More...
class	UaRefGeneratesEvent
	UaRefGeneratesEvent. More...
class	UaRefHasCondition
	Reference class used to represent a HasCondition reference. More...
class	UaRefHasDescription
	UaRefHasDescription. More...
class	UaRefHasEncoding
	UaRefHasEncoding. More...
class	UaRefHasModelParent
	UaRefHasModelParent. More...
class	UaRefHasModellingRule
	UaRefHasModellingRule. More...
class	UaRefFromState
	UaRefFromState. More...
class	UaRefHasCause
	UaRefHasCause. More...
class	UaRefHasEffect
	UaRefHasEffect. More...
class	UaRefToState
	UaRefToState. More...
class	UaFolder
	OPC UA Folder Object handling class. More...
class	UaAreaFolder
	OPC UA Folder Object handling class used as Alarm Area object. More...
class	UaGenericObject
	UaGenericObject. More...
class	UaGenericObjectType
	UaGenericObjectType. More...
class	UaGenericVariable
	UaGenericVariable. More...
class	UaGenericVariableType
	UaGenericVariableType. More...
class	UaGenericDataType
	UaGenericDataType. More...
class	UaGenericView
	UaGenericView. More...
class	UaGenericMethod
	UaGenericMethod. More...
class	UaGenericReferenceType
	UaGenericReferenceType. More...
class	UaObjectTypeSimple
	UaObjectTypeSimple. More...
class	UaObjectBase
	UaObjectBase. More...
class	UaVariableTypeSimple
	UaVariableTypeSimple. More...
class	UaDataVariableDevice
	UaDataVariableDevice. More...
class	UaViewSimple
	UaViewSimple. More...
class	UaReferenceTypeNS0
	UaReferenceTypeNS0. More...

Variables
const OpcUa_UInt32	UaVariable_Value_None = 0x0
	Bit mask for UaVariable::valueHandling. More...
const OpcUa_UInt32	UaVariable_Value_Cache = 0x1
	The variable has a cached value. More...
const OpcUa_UInt32	UaVariable_Value_CacheIsSource = 0x2
	The variable cache value is the data source. More...
const OpcUa_UInt32	UaVariable_Value_CacheIsUpdatedOnRequest = 0x4
	If this flag is set, the custom code is responsible for updating the cache value for variables monitored by one or more clients and to handle read and write operations. More...

Detailed Description

This module contains all class implementing a generic address space model.

Variable Documentation

const OpcUa_UInt32 UaVariable_Value_Cache = 0x1

The variable has a cached value.

If none of the

const OpcUa_UInt32 UaVariable_Value_CacheIsSource = 0x2

The variable cache value is the data source.

All read, sampling and write operations are using the cache value with the methods UaVariable::value and UaVariable::setValue. If only the UaVariable_Value_Cache flag is set, read and sampling are using IOManagerUaNode::readValues and write is using IOManagerUaNode::writeValues.

const OpcUa_UInt32 UaVariable_Value_CacheIsUpdatedOnRequest = 0x4

If this flag is set, the custom code is responsible for updating the cache value for variables monitored by one or more clients and to handle read and write operations.

Value changes can be provided with the method UaVariable::setValue(). The custom code gets informed about monitoring changes for items of this type by overwriting IOManagerUaNode::variableCacheMonitoringChanged in the custom NodeManager implementation. In addition it is required to implement IOManagerUaNode::readValues and IOManagerUaNode::writeValues for read and write operations. This option allows optimizing cyclic access to devices for data monitoring independent of read operations

const OpcUa_UInt32 UaVariable_Value_None = 0x0

Bit mask for UaVariable::valueHandling.