de.iip_ecosphere.platform.connectors.opcuav1

Class DataItem

java.lang.Object

de.iip_ecosphere.platform.connectors.opcuav1.DataItem

All Implemented Interfaces:

de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery

public class DataItem
extends Object
implements de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery

Represents a monitored, changed data item send to the ConnectorOutputTypeTranslator for detailed change data, but only if enabled through ModelAccess.setDetailNotifiedItem(boolean).

Author:

Holger Eichelberger, SSE

Field Summary

Fields

Modifier and Type	Field and Description
private org.eclipse.milo.opcua.stack.core.types.builtin.Variant	data
private Object	identifier
private de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery	query

Constructor Summary

Constructors

Constructor and Description
DataItem(de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery query) Creates a data item.
DataItem(Object identifier, org.eclipse.milo.opcua.stack.core.types.builtin.Variant data) Creates a data item.

Method Summary

Modifier and Type	Method and Description
org.eclipse.milo.opcua.stack.core.types.builtin.Variant	getData() Returns the changed data.
Object	getIdentifier() Returns the identifier in the model.
de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery	getQuery() Returns the query.

Methods inherited from class java.lang.Object

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

Field Detail

query

private de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery query

data

private org.eclipse.milo.opcua.stack.core.types.builtin.Variant data

identifier

private Object identifier

Constructor Detail

DataItem

public DataItem(de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery query)

Creates a data item.

Parameters:

query - the data trigger query

DataItem

public DataItem(Object identifier,
                org.eclipse.milo.opcua.stack.core.types.builtin.Variant data)

Creates a data item.

Parameters:

identifier - the data item identifier in the model, usually a string but who knows in Milo

data - the new data

Method Detail

getData

public org.eclipse.milo.opcua.stack.core.types.builtin.Variant getData()

Returns the changed data.

Returns:

the changed data (may be null if getQuery() is specified)

getIdentifier

public Object getIdentifier()

Returns the identifier in the model.

Returns:

the data item identifier in the model, usually a string but who knows in Milo (may be null if getQuery() is specified)

getQuery

public de.iip_ecosphere.platform.connectors.events.ConnectorTriggerQuery getQuery()

Returns the query.

Returns:

the query (may be null if getData()/getIdentifier() are specified)