public class ProxyHistoricalItem extends Object implements HistoricalItem
Modifier and Type | Class and Description |
---|---|
static interface |
ProxyHistoricalItem.ItemListener |
Constructor and Description |
---|
ProxyHistoricalItem(org.osgi.framework.BundleContext context,
Executor executor,
String configurationId,
Map<String,String> parameters) |
Modifier and Type | Method and Description |
---|---|
void |
addListener(ProxyHistoricalItem.ItemListener listener) |
void |
addSource(ProxyValueSource.ServiceEntry service) |
Query |
createQuery(QueryParameters parameters,
QueryListener listener,
boolean updateData)
Create a new query
|
void |
dispose() |
HistoricalItemInformation |
getInformation()
Get the item information
|
void |
removeListener(ProxyHistoricalItem.ItemListener listener) |
void |
removeSource(ProxyValueSource.ServiceEntry service) |
public Query createQuery(QueryParameters parameters, QueryListener listener, boolean updateData)
HistoricalItem
createQuery
in interface HistoricalItem
parameters
- the initial query parameterslistener
- the query listenerupdateData
- if true
then additional updates will be made by
the query when
data changes although the query is QueryState.COMPLETE
null
if the query could be be
createdpublic HistoricalItemInformation getInformation()
HistoricalItem
getInformation
in interface HistoricalItem
public void dispose()
public void addListener(ProxyHistoricalItem.ItemListener listener)
public void removeListener(ProxyHistoricalItem.ItemListener listener)
public void addSource(ProxyValueSource.ServiceEntry service)
public void removeSource(ProxyValueSource.ServiceEntry service)
Copyright © 2016 Eclipse NeoSCADA Project. All rights reserved.