org.eclipse.scada.da.server.common.chain

Class MemoryItemChained

java.lang.Object

org.eclipse.scada.da.server.common.DataItemBase

org.eclipse.scada.da.server.common.chain.DataItemBaseChained

org.eclipse.scada.da.server.common.chain.DataItemInputChained

org.eclipse.scada.da.server.common.chain.DataItemInputOutputChained

org.eclipse.scada.da.server.common.chain.MemoryItemChained

All Implemented Interfaces:

DataItem

Direct Known Subclasses:

FactoryMemoryCell, MemoryChainedItem, TestItem2

public class MemoryItemChained
extends DataItemInputOutputChained

Field Summary

Fields inherited from class org.eclipse.scada.da.server.common.chain.DataItemInputChained

primaryValue, secondaryValue

Fields inherited from class org.eclipse.scada.da.server.common.chain.DataItemBaseChained

chain, executor, primaryAttributes, secondaryAttributes

Fields inherited from class org.eclipse.scada.da.server.common.DataItemBase

listener

Constructor Summary

Constructors

Constructor and Description
MemoryItemChained(DataItemInformation di)
MemoryItemChained(String id)

Method Summary

Modifier and Type	Method and Description
protected WriteAttributeResults	handleUnhandledAttributes(WriteAttributeResults writeAttributeResults, Map<String,Variant> attributes) Handle all unhandled set attribute requests
protected NotifyFuture<WriteResult>	startWriteCalculatedValue(Variant value, OperationParameters operationParameters)

Methods inherited from class org.eclipse.scada.da.server.common.chain.DataItemInputOutputChained

startWriteValue

Methods inherited from class org.eclipse.scada.da.server.common.chain.DataItemInputChained

getCacheAttributes, getCacheValue, process, readValue, updateData

Methods inherited from class org.eclipse.scada.da.server.common.chain.DataItemBaseChained

addChainElement, addChainElement, getAttributes, getChainCopy, processSetAttributes, removeChainElement, setChain, startSetAttributes

Methods inherited from class org.eclipse.scada.da.server.common.DataItemBase

getInformation, handleListenerChange, notifyData, notifyData, setListener

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryItemChained

public MemoryItemChained(DataItemInformation di)

MemoryItemChained

public MemoryItemChained(String id)

Method Detail

handleUnhandledAttributes

protected WriteAttributeResults handleUnhandledAttributes(WriteAttributeResults writeAttributeResults,
                                                          Map<String,Variant> attributes)

Description copied from class: DataItemBaseChained

Handle all unhandled set attribute requests

Overrides:

handleUnhandledAttributes in class DataItemBaseChained

Parameters:

writeAttributeResults - the result set

attributes - the attributes to set

Returns:

the final result

startWriteCalculatedValue

protected NotifyFuture<WriteResult> startWriteCalculatedValue(Variant value,
                                                              OperationParameters operationParameters)

Specified by:

startWriteCalculatedValue in class DataItemInputOutputChained