com.prosysopc.ua.server.nodes

Class CallbackVariable

java.lang.Object

com.prosysopc.ua.nodes.AbstractUaNode

com.prosysopc.ua.server.nodes.ServerNode

com.prosysopc.ua.server.nodes.BaseNode

com.prosysopc.ua.server.nodes.UaInstanceNode

com.prosysopc.ua.server.nodes.UaVariableNode

com.prosysopc.ua.server.nodes.CallbackVariable

All Implemented Interfaces:

UaInstance, UaNode, UaValueNode, UaVariable

Direct Known Subclasses:

CallbackProperty, ReflectiveVariable

public class CallbackVariable
extends UaVariableNode

A variable node, whose value is retrieved using a callback method only.

Nested Class Summary

Nested classes/interfaces inherited from interface com.prosysopc.ua.nodes.UaNode

UaNode.Parameters

Field Summary

Fields

Modifier and Type	Field and Description
protected UaVariableCallback	callback

Fields inherited from class com.prosysopc.ua.server.nodes.UaVariableNode

synchronizeStructures

Fields inherited from class com.prosysopc.ua.server.nodes.BaseNode

NODE_VERSION_PROPERTY_NAME, useQuickPropertyLookup

Fields inherited from class com.prosysopc.ua.server.nodes.ServerNode

eventListeners, INITIALIZATION_TIME, nodeManager, supportedAttributesMap

Constructor Summary

Constructors

Modifier	Constructor and Description
	CallbackVariable(NodeManagerUaNode nodeManager, NodeId nodeId, QualifiedName browseName, LocalizedText displayName)
	CallbackVariable(NodeManagerUaNode nodeManager, NodeId nodeId, String name, Locale locale)
protected	CallbackVariable(UaNode.Parameters parameters)

Method Summary

Modifier and Type	Method and Description
protected void	doSetValue(DataValue value) Perform the actual value set.
UaVariableCallback	getCallback()
DataValue	getValue()
protected void	notifyValueChanging(DataValue newValue)
void	setCallback(UaVariableCallback callback)

Methods inherited from class com.prosysopc.ua.server.nodes.UaVariableNode

addProperty, addReflectiveVariable, beforeAddReference, checkPropertyType, checkPropertyType, createDataValue, exposeStructureWithReflectiveVariables, getAccessLevel, getArrayDimensions, getAttributes, getAttributes, getAttributesMap, getDataType, getDataTypeId, getDefaultTypeDefinition, getHistorizing, getMinimumSamplingInterval, getNodeClass, getProperties, getStatus, getUserAccessLevel, getValueRank, hasUserWriteAccess, hasWriteAccess, initSupportedAttributes, isPropertyType, notifyValueChanging, readAttributeValue, semanticsChanged, setAccessLevel, setArrayDimensions, setAttributes, setDataType, setDataTypeId, setHistorizing, setMinimumSamplingInterval, setStatus, setTypeDefinition, setTypeDefinitionId, setUserAccessLevel, setValue, setValue, setValueRank, structureChanged, toString, updateValue, updateValue, writeAttributeValue

Methods inherited from class com.prosysopc.ua.server.nodes.UaInstanceNode

addModellingRule, getTypeDefinition, getTypeDefinitionId, hasTypeDefinition, registerOverridePlainMethod, setTypeDefinitionId, supportsTypeDefinitionNode

Methods inherited from class com.prosysopc.ua.server.nodes.BaseNode

addPlainProperty, addPlainVariable, assertTypeSupport, assertTypeSupport, createNodeId, createNodeId, createReflectiveInstanceProperty, createReflectiveInstanceProperty, deleteReference, deleteReference, doAddProperty, getAttributes, getAttributesMap, getBrowseName, getComponent, getComponents, getDescription, getDescription, getDisplayName, getDisplayName, getMethod, getNodeVersion, getNodeVersionNode, getProperty, getPropertyReference, getPropertyValue, getReferencesAsList, getStandardBrowseName, getStandardDisplayText, getUserWriteMask, getWriteMask, hasProperty, hasReference, incNodeVersion, initNodeVersion, isChildOfType, readAttribute, readAttribute, registerCallbackProperty, registerPlainInstanceProperty, registerPlainInstanceProperty, registerPlainProperty, registerPlainProperty, registerPlainVariable, registerPlainVariable, registerReflectiveInstanceProperty, registerReflectiveInstanceVariable, registerReflectiveProperty, registerReflectiveVariable, removeProperty, setAccessLevelRecursively, setAccessLevelRecursively, setAttribute, setBrowseName, setDescription, setDisplayName, setNodeVersion, setPropertyValue, setUserWriteMask, setWriteMask, writeAttribute

Methods inherited from class com.prosysopc.ua.server.nodes.ServerNode

addComponent, addDataChangeListener, addEventListener, addNewReference, addNewReference, addOrganizes, addProperties, addReference, addReference, addReference, addReference, addReference, addReference, afterAddReference, afterDeleteReference, dataChange, deleteReference, deleteReference, deleteReferences, doDeleteReference, equals, findPlaceholders, fireDataChange, fireEvent, fireEventInParents, getAddressSpace, getDefaultBrowseName, getNodeId, getNodeManager, getNodeSetExtensions, getReference, getReferenceList, getReferences, getSupportedAttributes, getTargetNodes, getUaNodeId, hashCode, isAddNotifierReferencesToServerObject, isFalseOrNull, isMandatory, isMonitoredForEvents, isTrueOrNull, isType, referenceTypeInherits, removeComponent, removeDataChangeListener, removeEventListener, setAddNotifierReferencesToServerObject, setNodeSetExtensions, setReferences, supportsAttribute, translateBrowsePathToNodeIds, validateHasEventSourceChain, validateHasEventSourceChain

Methods inherited from class com.prosysopc.ua.nodes.AbstractUaNode

getForwardReferences, getInverseReferences, getReferences, getReferences, getUserData, referenceTypeInherits, setUserData

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.prosysopc.ua.nodes.UaVariable

addDataChangeListener, removeDataChangeListener

Methods inherited from interface com.prosysopc.ua.nodes.UaInstance

getTypeDefinition, getTypeDefinitionId, setTypeDefinitionId

Methods inherited from interface com.prosysopc.ua.nodes.UaNode

addComponent, addOrganizes, addReference, addReference, addReference, addReference, addReference, addReference, deleteReference, deleteReference, deleteReference, deleteReference, getAddressSpace, getAttributesMap, getBrowseName, getBrowsePaths, getComponent, getComponents, getDescription, getDisplayName, getForwardReferences, getInverseReferences, getMethod, getNodeId, getNodeVersionNode, getOrganizedNode, getOrganizedNodes, getProperty, getReference, getReferences, getReferences, getSupportedAttributes, getUaBrowsePaths, getUaNodeId, getUserData, getUserWriteMask, getWriteMask, readAttribute, readAttribute, removeComponent, removeProperty, setAttribute, setBrowseName, setDescription, setDisplayName, setReferences, setUserData, setUserWriteMask, setWriteMask, supportsAttribute, writeAttribute

Field Detail

callback

protected UaVariableCallback callback

Constructor Detail

CallbackVariable

public CallbackVariable(NodeManagerUaNode nodeManager,
                        NodeId nodeId,
                        QualifiedName browseName,
                        LocalizedText displayName)

Parameters:

nodeId -

browseName -

displayName -

CallbackVariable

public CallbackVariable(NodeManagerUaNode nodeManager,
                        NodeId nodeId,
                        String name,
                        Locale locale)

Parameters:

nodeId -

name -

locale -

dataTypeId -

CallbackVariable

protected CallbackVariable(UaNode.Parameters parameters)

Method Detail

getCallback

public UaVariableCallback getCallback()

Returns:

the callback

getValue

public DataValue getValue()

Returns:

The default Value for instances of this type.

setCallback

public void setCallback(UaVariableCallback callback)

doSetValue

protected void doSetValue(DataValue value)
                   throws StatusException

Description copied from class: UaVariableNode

Perform the actual value set.

Specified by:

doSetValue in class UaVariableNode

Throws:

StatusException

notifyValueChanging

protected void notifyValueChanging(DataValue newValue)

Overrides:

notifyValueChanging in class UaVariableNode