org.eclipse.scada.da.master.common.scale

Class ScaleHandlerImpl

java.lang.Object

org.eclipse.scada.da.master.AbstractMasterHandlerImpl

org.eclipse.scada.da.master.AbstractConfigurableMasterHandlerImpl

org.eclipse.scada.da.master.common.AbstractCommonHandlerImpl

org.eclipse.scada.da.master.common.scale.ScaleHandlerImpl

All Implemented Interfaces:

MasterItemHandler

public class ScaleHandlerImpl
extends AbstractCommonHandlerImpl

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.scada.da.master.common.AbstractCommonHandlerImpl

AbstractCommonHandlerImpl.AbstractConfiguration

Field Summary

Fields inherited from class org.eclipse.scada.da.master.AbstractMasterHandlerImpl

eventAttributes

Constructor Summary

Constructors

Constructor and Description
ScaleHandlerImpl(String configurationId, ObjectPoolTracker<MasterItem> poolTracker, int priority, org.osgi.util.tracker.ServiceTracker<ConfigurationAdministrator,ConfigurationAdministrator> caTracker)

Method Summary

Modifier and Type	Method and Description
protected WriteAttributeResults	handleUpdate(Map<String,Variant> attributes, OperationParameters operationParameters) This method will be called on write request that have attributes which match our prefix.
protected void	injectAttributes(DataItemValue.Builder builder)
protected void	processDataUpdate(Map<String,Object> context, DataItemValue.Builder builder)
void	update(UserInformation userInformation, Map<String,String> parameters)

Methods inherited from class org.eclipse.scada.da.master.common.AbstractCommonHandlerImpl

createEventBuilder, dataUpdate, injectEventAttributes

Methods inherited from class org.eclipse.scada.da.master.AbstractConfigurableMasterHandlerImpl

getPrefixed, processWrite, updateConfiguration, updateConfiguration

Methods inherited from class org.eclipse.scada.da.master.AbstractMasterHandlerImpl

addItem, createTrackers, dispose, getMasterItems, removeItem, reprocess

Methods inherited from class java.lang.Object

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

Constructor Detail

ScaleHandlerImpl

public ScaleHandlerImpl(String configurationId,
                        ObjectPoolTracker<MasterItem> poolTracker,
                        int priority,
                        org.osgi.util.tracker.ServiceTracker<ConfigurationAdministrator,ConfigurationAdministrator> caTracker)

Method Detail

processDataUpdate

protected void processDataUpdate(Map<String,Object> context,
                                 DataItemValue.Builder builder)
                          throws Exception

Specified by:

processDataUpdate in class AbstractCommonHandlerImpl

Throws:

Exception

update

public void update(UserInformation userInformation,
                   Map<String,String> parameters)
            throws Exception

Overrides:

update in class AbstractMasterHandlerImpl

Throws:

Exception

injectAttributes

protected void injectAttributes(DataItemValue.Builder builder)

handleUpdate

protected WriteAttributeResults handleUpdate(Map<String,Variant> attributes,
                                             OperationParameters operationParameters)
                                      throws Exception

Description copied from class: AbstractConfigurableMasterHandlerImpl

This method will be called on write request that have attributes which match our prefix.

All attributes that are processed must be returned in the result

Specified by:

handleUpdate in class AbstractConfigurableMasterHandlerImpl

Parameters:

attributes - the filtered attributes that match our prefix

Returns:

the attribute result of the written attributes

Throws:

Exception - if anything goes wrong