UaVariableImpl (prosys-opc-ua-sdk-client-server-pubsub 5.6.2-227 API)

java.lang.Object
- com.prosysopc.ua.nodes.AbstractUaNode
- - com.prosysopc.ua.client.nodes.UaNodeImpl
  - - com.prosysopc.ua.client.nodes.UaInstanceImpl
    - - com.prosysopc.ua.client.nodes.UaVariableImpl

All Implemented Interfaces:

UaInstance, UaNode, UaValueNode, UaVariable

Direct Known Subclasses:

BaseVariableTypeImpl, UaPropertyImpl
```
public class UaVariableImpl
extends UaInstanceImpl
implements UaVariable
```
Straight forward implementation of UaVariable.
It keeps all attributes in memory.

Nested Class Summary
- Nested classes/interfaces inherited from interface com.prosysopc.ua.nodes.UaNode
  UaNode.Parameters

Field Summary
- Fields inherited from class com.prosysopc.ua.client.nodes.UaNodeImpl
  addressSpace, references, supportedAttributesMap

Constructor Summary

Constructors
Modifier	Constructor and Description
	`UaVariableImpl(AddressSpace addressSpace, NodeId nodeId, QualifiedName browseName, LocalizedText displayName)` Create a new variable with dataTypeId initialized to BaseDataType.
	`UaVariableImpl(AddressSpace addressSpace, NodeId nodeId, QualifiedName browseName, LocalizedText displayName, LocalizedText description, AttributeWriteMask writeMask, AttributeWriteMask userWriteMask, UaClientReference[] references, UaProperty[] properties, NodeId dataTypeId, Integer valueRank, UnsignedInteger[] arrayDimensions, AccessLevelType accessLevel, AccessLevelType userAccessLevel, Double minimumSamplingInterval, Boolean historizing)`
	`UaVariableImpl(AddressSpace addressSpace, NodeId nodeId, QualifiedName browseName, LocalizedText displayName, NodeId dataTypeId)` Create a new variable with a specific data type.
	`UaVariableImpl(AddressSpace addressSpace, NodeId nodeId, QualifiedName browseName, LocalizedText displayName, UaDataType dataType)` Create a new variable with a specific data type.
	`UaVariableImpl(AddressSpace addressSpace, NodeId nodeId, String name, Locale locale, NodeId dataTypeId)` Create a new variable with a specific data type.
	`UaVariableImpl(AddressSpace addressSpace, NodeId nodeId, String name, Locale locale, UaDataType dataType)` Create a new variable with a specific data type.
`protected`	`UaVariableImpl(UaNode.Parameters parameters)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addDataChangeListener(DataChangeListener listener)` Not supported at the moment.
`AccessLevelType`	`getAccessLevel()` Defines the global read/write access of the Value attribute for all users.
`UnsignedInteger[]`	`getArrayDimensions()` This Attribute specifies the length of each dimension for an array value.
`NodeAttributes`	`getAttributes()` Returns the current attribute values of the node in a NodeAttributes structure.
`protected VariableAttributes`	`getAttributes(VariableAttributes attributes)`
`protected void`	`getAttributesMap(Map<UnsignedInteger,Object> map)`
`UaDataType`	`getDataType()`
`NodeId`	`getDataTypeId()`
`Boolean`	`getHistorizing()`
`Double`	`getMinimumSamplingInterval()`
`NodeClass`	`getNodeClass()` The NodeClass Attribute identifies the NodeClass of a Node.
`AccessLevelType`	`getUserAccessLevel()` Defines the user specific read/write access of the Value attribute.
`DataValue`	`getValue()`
`Integer`	`getValueRank()` This Attribute indicates whether the Value Attribute of the Variable is an array and how many dimensions the array has.
`boolean`	`hasUserWriteAccess(UnsignedInteger attributeId)` Overrides the default to check access to Value attribute from AccessLevel.
`boolean`	`hasWriteAccess(UnsignedInteger attributeId)` Overrides the default to check access to Value attribute from AccessLevel.
`protected void`	`initSupportedAttributes(List<UnsignedInteger> l)`
`protected void`	`readAttributeValue(UnsignedInteger attributeId, DataValue dataValue)` Read the value of an attribute.
`DataValue`	`readValue()` Reads the current value of the variable from the server.
`void`	`removeDataChangeListener(DataChangeListener listener)` Not supported at the moment.
`void`	`setAccessLevel(AccessLevelType accessLevel)`
`void`	`setArrayDimensions(UnsignedInteger[] arrayDimensions)` This Attribute specifies the length of each dimension for an array value.
`void`	`setAttribute(UnsignedInteger attributeId, DataValue dataValue)` Unconditionally, set the value of the specified attribute.
`void`	`setAttributes(VariableAttributes variableAttributes)`
`void`	`setDataType(UaDataType dataType)` Set the Data Type node.
`void`	`setDataTypeId(NodeId dataTypeId)` Set the Data Type.
`void`	`setHistorizing(Boolean historizing)`
`void`	`setMinimumSamplingInterval(Double minimumSamplingInterval)`
`void`	`setUserAccessLevel(AccessLevelType userAccessLevel)`
`void`	`setValue(DataValue value)` The default Value for instances of this type.
`void`	`setValue(Object value)` Set value.
`void`	`setValueRank(int valueRank)` This Attribute indicates whether the Value Attribute of the VariableType is an array and how many dimensions the array has.
`String`	`toString()`
`protected void`	`writeAttributeValue(UnsignedInteger attributeId, Object value, StatusCode statusCode, DateTime sourceTime, UnsignedShort sourcePicoseconds)`
`boolean`	`writeValue(Object value)` Writes the value to the variable in the server.
`boolean`	`writeValue(Object value, boolean autoConvert)` Writes the value to the variable in the server.

Methods inherited from class com.prosysopc.ua.client.nodes.UaInstanceImpl
getTypeDefinition, getTypeDefinitionId, setTypeDefinition, setTypeDefinitionId, setTypeDefinitionId

Methods inherited from class com.prosysopc.ua.client.nodes.UaNodeImpl
addComponent, addProperties, addProperty, addReference, addReference, addReference, addReference, afterAddReference, afterDeleteReference, assertTypeSupport, assertTypeSupport, beforeAddReference, deleteReference, deleteReference, deleteReference, deleteReference, deleteReferences, doAddProperty, equals, findPlaceholders, getAddressSpace, getAttributes, getAttributesMap, getBrowseName, getComponent, getComponents, getDescription, getDescription, getDisplayName, getDisplayName, getMethod, getNodeId, getNodeVersion, getNodeVersionNode, getProperties, getProperty, getPropertyValue, getReference, getReferenceList, getReferences, getSupportedAttributes, getUaNodeId, getUserWriteMask, getWriteMask, hashCode, hasProperty, hasTypeDefinition, readAttribute, readAttribute, referenceTypeInherits, removeComponent, removeProperty, setAttributes, setBrowseName, setDescription, setDisplayName, setNodeVersion, setPropertyValue, setReferences, setUserWriteMask, setWriteMask, supportsAttribute, writeAttribute

Methods inherited from class com.prosysopc.ua.nodes.AbstractUaNode
getForwardReferences, getInverseReferences, getReferences, getReferences, getReferencesAsList, 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.UaInstance
getTypeDefinition, getTypeDefinitionId, setTypeDefinition, setTypeDefinitionId, setTypeDefinitionId

Methods inherited from interface com.prosysopc.ua.nodes.UaNode
addComponent, addOrganizes, addProperty, 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, getProperties, getProperty, getReference, getReferences, getReferences, getSupportedAttributes, getUaBrowsePaths, getUaNodeId, getUserData, getUserWriteMask, getWriteMask, readAttribute, readAttribute, removeComponent, removeProperty, setAttributes, setBrowseName, setDescription, setDisplayName, setReferences, setUserData, setUserWriteMask, setWriteMask, supportsAttribute, writeAttribute

- Constructor Detail
  - UaVariableImpl
```
public UaVariableImpl(AddressSpace addressSpace,
                      NodeId nodeId,
                      QualifiedName browseName,
                      LocalizedText displayName)
```
    Create a new variable with dataTypeId initialized to BaseDataType.
    
    Parameters:
    
    nodeId -
    
    browseName -
    
    displayName -
  - UaVariableImpl
```
public UaVariableImpl(AddressSpace addressSpace,
                      NodeId nodeId,
                      QualifiedName browseName,
                      LocalizedText displayName,
                      LocalizedText description,
                      AttributeWriteMask writeMask,
                      AttributeWriteMask userWriteMask,
                      UaClientReference[] references,
                      UaProperty[] properties,
                      NodeId dataTypeId,
                      Integer valueRank,
                      UnsignedInteger[] arrayDimensions,
                      AccessLevelType accessLevel,
                      AccessLevelType userAccessLevel,
                      Double minimumSamplingInterval,
                      Boolean historizing)
```
  - UaVariableImpl
```
public UaVariableImpl(AddressSpace addressSpace,
                      NodeId nodeId,
                      QualifiedName browseName,
                      LocalizedText displayName,
                      NodeId dataTypeId)
```
    Create a new variable with a specific data type.
    
    Parameters:
    
    nodeId - The variable ID.
    
    browseName - The name used for browseName
    
    displayName - The name used for localized displayName
    
    dataTypeId - The variable data type as a NodeId.
  - UaVariableImpl
```
public UaVariableImpl(AddressSpace addressSpace,
                      NodeId nodeId,
                      QualifiedName browseName,
                      LocalizedText displayName,
                      UaDataType dataType)
```
    Create a new variable with a specific data type.
    
    Parameters:
    
    nodeId - The variable ID.
    
    browseName - The name used for browseName
    
    displayName - The name used for localized displayName
    
    dataTypeId - The variable data type.
  - UaVariableImpl
```
public UaVariableImpl(AddressSpace addressSpace,
                      NodeId nodeId,
                      String name,
                      Locale locale,
                      NodeId dataTypeId)
```
    Create a new variable with a specific data type.
    
    Parameters:
    
    nodeId - The variable ID.
    
    name - The name used for browseName & displayName
    
    locale - The locale of displayName
    
    dataTypeId - The variable data type as a NodeId.
  - UaVariableImpl
```
public UaVariableImpl(AddressSpace addressSpace,
                      NodeId nodeId,
                      String name,
                      Locale locale,
                      UaDataType dataType)
```
    Create a new variable with a specific data type.
    
    Parameters:
    
    nodeId - The variable ID.
    
    name - The name used for browseName & displayName
    
    locale - The locale of displayName
    
    dataType - The variable data type.
  - UaVariableImpl
```
protected UaVariableImpl(UaNode.Parameters parameters)
```
- Method Detail
  - addDataChangeListener
```
public void addDataChangeListener(DataChangeListener listener)
```
    Not supported at the moment.
    
    Specified by:
    
    addDataChangeListener in interface UaVariable
  - getAccessLevel
```
public AccessLevelType getAccessLevel()
```
    Description copied from interface: UaVariable
    
    Defines the global read/write access of the Value attribute for all users.
    In contrast to the WriteAccess this attribute only applies to the Value attribute.
    
    Specified by:
    
    getAccessLevel in interface UaVariable
    
    Returns:
    
    the current global access rights
    
    See Also:
    
    UaVariable.getUserAccessLevel()
  - getArrayDimensions
```
public UnsignedInteger[] getArrayDimensions()
```
    Description copied from interface: UaValueNode
    
    This Attribute specifies the length of each dimension for an array value. The Attribute is intended to describe the capability of the Variable, not the current size.
    The number of elements shall be equal to the value of the ValueRank Attribute. Shall be null if ValueRank <= 0.
    A value of 0 for an individual dimension indicates that the dimension has a variable length.
    For example, if a Variable is defined by the following C array: Int32 myArray[346];
    then this Variable's DataType would point to an Int32, the Variable's ValueRank has the value 1 and the ArrayDimensions is an array with one entry having the value 346.
    
    Specified by:
    
    getArrayDimensions in interface UaValueNode
    
    Returns:
    
    the array dimensions of the variable type or null if this is not a specific array type, i.e. ValueRank <= 0
    
    See Also:
    
    UaValueNode.setArrayDimensions(com.prosysopc.ua.stack.builtintypes.UnsignedInteger[])
  - getAttributes
```
public NodeAttributes getAttributes()
```
    Description copied from interface: UaNode
    
    Returns the current attribute values of the node in a NodeAttributes structure.
    
    Specified by:
    
    getAttributes in interface UaNode
  - getDataType
```
public UaDataType getDataType()
```
    Specified by:
    
    getDataType in interface UaValueNode
    
    Returns:
    
    the DataType node, if set.
    
    See Also:
    
    UaValueNode.getDataTypeId()
  - getDataTypeId
```
public NodeId getDataTypeId()
```
    Specified by:
    
    getDataTypeId in interface UaValueNode
    
    Returns:
    
    NodeId of the data type definition for instances of this type.
  - getHistorizing
```
public Boolean getHistorizing()
```
    Specified by:
    
    getHistorizing in interface UaVariable
    
    Returns:
    
    whether the variable has history
  - getMinimumSamplingInterval
```
public Double getMinimumSamplingInterval()
```
    Specified by:
    
    getMinimumSamplingInterval in interface UaVariable
    
    Returns:
    
    the minimum sampling interval that the server supports for the variable
  - getNodeClass
```
public final NodeClass getNodeClass()
```
    Description copied from interface: UaNode
    
    The NodeClass Attribute identifies the NodeClass of a Node.
    
    Specified by:
    
    getNodeClass in interface UaNode
    
    Overrides:
    
    getNodeClass in class UaNodeImpl
    
    Returns:
    
    the Node Class of the node. This is hard-coded and cannot be changed.
  - getUserAccessLevel
```
public AccessLevelType getUserAccessLevel()
```
    Description copied from interface: UaVariable
    
    Defines the user specific read/write access of the Value attribute.
    In contrast to the UserWriteAccess this attribute only applies to the Value attribute.
    
    Specified by:
    
    getUserAccessLevel in interface UaVariable
    
    Returns:
    
    the current access rights for the user that requested it
    
    See Also:
    
    UaVariable.getAccessLevel()
  - getValue
```
public DataValue getValue()
```
    Specified by:
    
    getValue in interface UaValueNode
    
    Returns:
    
    The default Value for instances of this type.
  - getValueRank
```
public Integer getValueRank()
```
    Description copied from interface: UaValueNode
    This Attribute indicates whether the Value Attribute of the Variable is an array and how many dimensions the array has.
    It may have the following values:
    - n>1: the Value is an array with the specified number of dimensions.
    - OneDimension (1): The value is an array with one dimension.
    - OneOrMoreDimensions (0): The value is an array with one or more dimensions.
    - Scalar (-1): The value is not an array.
    - Any (-2): The value can be a scalar or an array with any number of dimensions.
    - ScalarOrOneDimension (-3): The value can be a scalar or a one dimensional array.
    Specified by:
    
    getValueRank in interface UaValueNode
    
    Returns:
    
    the value rank
    
    See Also:
    
    UaValueNode.setValueRank(int)
  - hasUserWriteAccess
```
public boolean hasUserWriteAccess(UnsignedInteger attributeId)
```
    Overrides the default to check access to Value attribute from AccessLevel.
    
    Specified by:
    
    hasUserWriteAccess in interface UaNode
    
    Overrides:
    
    hasUserWriteAccess in class UaNodeImpl
    
    Parameters:
    
    attributeId -
    
    Returns:
  - hasWriteAccess
```
public boolean hasWriteAccess(UnsignedInteger attributeId)
```
    Overrides the default to check access to Value attribute from AccessLevel.
    
    Specified by:
    
    hasWriteAccess in interface UaNode
    
    Overrides:
    
    hasWriteAccess in class UaNodeImpl
    
    Parameters:
    
    attributeId -
    
    Returns:
  - readValue
```
public DataValue readValue()
                    throws StatusException,
                           ServiceException
```
    Reads the current value of the variable from the server.
    
    Returns:
    
    the DataValue
    
    Throws:
    
    StatusException - if the read operation fails
    
    ServiceException - if the service call to the server fails
  - removeDataChangeListener
```
public void removeDataChangeListener(DataChangeListener listener)
```
    Not supported at the moment.
    
    Specified by:
    
    removeDataChangeListener in interface UaVariable
  - setAccessLevel
```
public void setAccessLevel(AccessLevelType accessLevel)
```
    Specified by:
    
    setAccessLevel in interface UaVariable
    
    Parameters:
    
    accessLevel - the access level to set
    
    See Also:
    
    UaVariable.getAccessLevel()
  - setArrayDimensions
```
public void setArrayDimensions(UnsignedInteger[] arrayDimensions)
```
    Description copied from interface: UaValueNode
    
    This Attribute specifies the length of each dimension for an array value. The Attribute is intended to describe the capability of the VariableType, not the current size.
    The number of elements shall be equal to the value of the ValueRank Attribute. Shall be null if ValueRank <= 0.
    A value of 0 for an individual dimension indicates that the dimension has a variable length.
    For example, if a VariableType is defined by the following array:
    Integer[] myArray = new Integer[346];
    then this VariableType's DataType would point to the Int32 data type node, the VariableType's ValueRank has the value 1 and the ArrayDimensions is an array with one entry having the value 346.
    
    Specified by:
    
    setArrayDimensions in interface UaValueNode
  - setAttribute
```
public void setAttribute(UnsignedInteger attributeId,
                         DataValue dataValue)
                  throws StatusException
```
    Description copied from class: UaNodeImpl
    
    Unconditionally, set the value of the specified attribute. To check the access rights and that the attribute is supported by the node, use writeAttribute. The method calls the internal, overridable, writeAttributeValue.
    
    Specified by:
    
    setAttribute in interface UaNode
    
    Overrides:
    
    setAttribute in class UaNodeImpl
    
    Throws:
    
    StatusException
  - setAttributes
```
public void setAttributes(VariableAttributes variableAttributes)
```
  - setDataType
```
public void setDataType(UaDataType dataType)
```
    Description copied from interface: UaValueNode
    
    Set the Data Type node.
    
    Specified by:
    
    setDataType in interface UaValueNode
    
    See Also:
    
    UaValueNode.setDataTypeId(NodeId)
  - setDataTypeId
```
public void setDataTypeId(NodeId dataTypeId)
```
    Description copied from interface: UaValueNode
    
    Set the Data Type.
    
    Specified by:
    
    setDataTypeId in interface UaValueNode
    
    See Also:
    
    UaValueNode.setDataTypeId(NodeId)
  - setHistorizing
```
public void setHistorizing(Boolean historizing)
```
    Specified by:
    
    setHistorizing in interface UaVariable
    
    Parameters:
    
    historizing - define that the variable has history - or not
  - setMinimumSamplingInterval
```
public void setMinimumSamplingInterval(Double minimumSamplingInterval)
```
    Specified by:
    
    setMinimumSamplingInterval in interface UaVariable
    
    Parameters:
    
    minimumSamplingInterval - define the minimum sampling interval
  - setUserAccessLevel
```
public void setUserAccessLevel(AccessLevelType userAccessLevel)
```
    Specified by:
    
    setUserAccessLevel in interface UaVariable
    
    Parameters:
    
    userAccessLevel - the user access level to set
    
    See Also:
    
    UaVariable.getUserAccessLevel()
  - setValue
```
public void setValue(DataValue value)
              throws StatusException
```
    Description copied from interface: UaValueNode
    
    The default Value for instances of this type.
    
    Specified by:
    
    setValue in interface UaValueNode
    
    Parameters:
    
    value - the default value to set
    
    Throws:
    
    StatusException
  - setValue
```
public void setValue(Object value)
              throws StatusException
```
    Set value.
    
    Specified by:
    
    setValue in interface UaValueNode
    
    Parameters:
    
    value - a new value. The value may be a DataValue, Variant or any "OPC UA compliant" value, i.e. value which can be used to initialize a Variant.
    
    Throws:
    
    StatusException - if the value is invalid for the Value attribute
  - setValueRank
```
public void setValueRank(int valueRank)
```
    Description copied from interface: UaValueNode
    This Attribute indicates whether the Value Attribute of the VariableType is an array and how many dimensions the array has.
    It may have the following values:
    - n>1: the Value is an array with the specified number of dimensions.
    - OneDimension (1): The value is an array with one dimension.
    - OneOrMoreDimensions (0): The value is an array with one or more dimensions.
    - Scalar (-1): The value is not an array.
    - Any (-2): The value can be a scalar or an array with any number of dimensions.
    - ScalarOrOneDimension (-3): The value can be a scalar or a one dimensional array.
    Specified by:
    
    setValueRank in interface UaValueNode
    
    Parameters:
    
    valueRank - the value rank to set
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class UaInstanceImpl
  - writeValue
```
public boolean writeValue(Object value)
                   throws StatusException,
                          ServiceException
```
    Writes the value to the variable in the server. If the value is written successfully, the current value is also changed to the variable immediately. If the write completes asynchronously, it must be read from the server later to get it updated to the variable.
    
    Parameters:
    
    value - the value to write to the server. The value may be a DataValue, Variant or any "OPC UA compliant" value, i.e. value which can be used to initialize a Variant.
    
    Returns:
    
    true if the value was written immediately; false, if the server returns Good_CompletesAsynchronously. In case the write fails, the method will throw an exception
    
    Throws:
    
    ServiceException - If the call fails. Expected ServiceResult codes are Bad_NothingToDo and Bad_TooManyOperations.
    
    StatusException - If the server returns a bad status for the value. Read the exception for the error details and diagnostics. Expected bad status codes are Bad_NodeIdInvalid, Bad_NodeIdUnknown, Bad_AttributeIdInvalid, Bad_IndexRangeInvalid, Bad_IndexRangeNoData, Bad_WriteNotSupported, Bad_NotWritable, Bad_UserAccessDenied, Bad_OutOfRange, Bad_TypeMismatch
    
    See Also:
    
    readValue(), UaClient.writeValue(com.prosysopc.ua.stack.builtintypes.ExpandedNodeId, java.lang.Object)
  - writeValue
```
public boolean writeValue(Object value,
                          boolean autoConvert)
                   throws StatusException,
                          ServiceException,
                          DataTypeConversionException
```
    Writes the value to the variable in the server. If the value is written successfully, the current value is also changed to the variable immediately. If the write completes asynchronously, it must be read from the server later to get it updated to the variable.
    
    Parameters:
    
    value - the value to write to the server. The value may be a DataValue, Variant or any "OPC UA compliant" value, i.e. value which can be used to initialize a Variant.
    
    autoConvert - if true, the value will be automatically converted to the DataType of the variable. If false, value will be written as-is.
    
    Returns:
    
    true if the value was written immediately; false, if the server returns Good_CompletesAsynchronously. In case the write fails, the method will throw an exception
    
    Throws:
    
    ServiceException - If the call fails. Expected ServiceResult codes are Bad_NothingToDo and Bad_TooManyOperations.
    
    StatusException - If the server returns a bad status for the value. Read the exception for the error details and diagnostics. Expected bad status codes are Bad_NodeIdInvalid, Bad_NodeIdUnknown, Bad_AttributeIdInvalid, Bad_IndexRangeInvalid, Bad_IndexRangeNoData, Bad_WriteNotSupported, Bad_NotWritable, Bad_UserAccessDenied, Bad_OutOfRange, Bad_TypeMismatch
    
    DataTypeConversionException - if the automatic DataType conversion fails
    
    See Also:
    
    readValue(), UaClient.writeValue(com.prosysopc.ua.stack.builtintypes.ExpandedNodeId, java.lang.Object)
  - getAttributes
```
protected VariableAttributes getAttributes(VariableAttributes attributes)
```
  - getAttributesMap
```
protected void getAttributesMap(Map<UnsignedInteger,Object> map)
```
    Overrides:
    
    getAttributesMap in class UaNodeImpl
  - initSupportedAttributes
```
protected void initSupportedAttributes(List<UnsignedInteger> l)
```
    Overrides:
    
    initSupportedAttributes in class UaNodeImpl
  - readAttributeValue
```
protected void readAttributeValue(UnsignedInteger attributeId,
                                  DataValue dataValue)
                           throws StatusException
```
    Description copied from class: UaNodeImpl
    
    Read the value of an attribute.
    
    Overrides:
    
    readAttributeValue in class UaNodeImpl
    
    Parameters:
    
    attributeId - the ID of the attribute to read.
    
    dataValue - the DataValue structure in which the value is set.
    
    Throws:
    
    StatusException - on failure
  - writeAttributeValue
```
protected void writeAttributeValue(UnsignedInteger attributeId,
                                   Object value,
                                   StatusCode statusCode,
                                   DateTime sourceTime,
                                   UnsignedShort sourcePicoseconds)
                            throws StatusException
```
    Overrides:
    
    writeAttributeValue in class UaNodeImpl
    
    Throws:
    
    StatusException

Class UaVariableImpl

Nested Class Summary

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

Field Summary

Fields inherited from class com.prosysopc.ua.client.nodes.UaNodeImpl

Constructor Summary

Method Summary

Methods inherited from class com.prosysopc.ua.client.nodes.UaInstanceImpl

Methods inherited from class com.prosysopc.ua.client.nodes.UaNodeImpl

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

Methods inherited from class java.lang.Object

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

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

Constructor Detail

UaVariableImpl

UaVariableImpl

UaVariableImpl

UaVariableImpl

UaVariableImpl

UaVariableImpl

UaVariableImpl

Method Detail

addDataChangeListener

getAccessLevel

getArrayDimensions

getAttributes

getDataType

getDataTypeId

getHistorizing

getMinimumSamplingInterval

getNodeClass

getUserAccessLevel

getValue

getValueRank

hasUserWriteAccess

hasWriteAccess

readValue

removeDataChangeListener

setAccessLevel

setArrayDimensions

setAttribute

setAttributes

setDataType

setDataTypeId

setHistorizing

setMinimumSamplingInterval

setUserAccessLevel

setValue

setValue

setValueRank

toString

writeValue

writeValue

getAttributes

getAttributesMap

initSupportedAttributes

readAttributeValue

writeAttributeValue