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

Class AutoTimestampChainItem

java.lang.Object

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

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

All Implemented Interfaces:

ChainItem

public class AutoTimestampChainItem
extends BaseChainItemCommon

A chain item which will add a timestamp by default it none is provided.

Author:

Jens Reimann

Constructor Summary

Constructors

Constructor and Description
AutoTimestampChainItem()

Method Summary

Modifier and Type	Method and Description
Variant	process(Variant value, Map<String,Variant> attributes) Process the chain item

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

setAttributes, setReservedAttributes

Methods inherited from class java.lang.Object

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

Constructor Detail

AutoTimestampChainItem

public AutoTimestampChainItem()

Method Detail

process

public Variant process(Variant value,
                       Map<String,Variant> attributes)

Description copied from interface: ChainItem

Process the chain item

Parameters:

value - the value to process or null if a output item changed only the attributes

attributes - The current primary attributes

Returns:

the new result or null if the chain item does not change the input value