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public static interface AggregateCalculator.HistoryDataProvider
| Method Summary | |
|---|---|
org.opcfoundation.ua.builtintypes.DataValue |
readFirstAfterTimestamp(org.opcfoundation.ua.builtintypes.DateTime timeStamp,
boolean includeValueAtTimestamp)
Get the first DataValue after the given timestamp. |
org.opcfoundation.ua.builtintypes.DataValue |
readFirstBeforeTimestamp(org.opcfoundation.ua.builtintypes.DateTime timeStamp,
boolean includeValueAtTimestamp)
Get the first DataValue before the given timestamp. |
List<org.opcfoundation.ua.builtintypes.DataValue> |
readRawAll(org.opcfoundation.ua.builtintypes.DateTime startTime,
org.opcfoundation.ua.builtintypes.DateTime endTime,
boolean returnStartBound,
boolean returnEndBound)
Get all the values from the history that are between startTime and endTime. |
| Method Detail |
|---|
org.opcfoundation.ua.builtintypes.DataValue readFirstAfterTimestamp(org.opcfoundation.ua.builtintypes.DateTime timeStamp,
boolean includeValueAtTimestamp)
timeStamp - the SourceTimestamp after which the DataValue is searched for.includeValueAtTimestamp - specifies if a value on the timestamp can be returned
org.opcfoundation.ua.builtintypes.DataValue readFirstBeforeTimestamp(org.opcfoundation.ua.builtintypes.DateTime timeStamp,
boolean includeValueAtTimestamp)
timeStamp - the SourceTimestamp before which the DataValue is searched forincludeValueAtTimestamp - specifies if a value on the timestamp can be returned
List<org.opcfoundation.ua.builtintypes.DataValue> readRawAll(org.opcfoundation.ua.builtintypes.DateTime startTime,
org.opcfoundation.ua.builtintypes.DateTime endTime,
boolean returnStartBound,
boolean returnEndBound)
throws StatusException
startTime - the start of the intervalendTime - the end of the intervalreturnStartBound - whether a value at the start of the interval should be returned as
wellreturnEndBound - whether a value at the end of the interval should be returned as well
StatusException
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