org.opennms.web.rest.measurements.fetch

Class NoOpStrategy

java.lang.Object

org.opennms.web.rest.measurements.fetch.NoOpStrategy

All Implemented Interfaces:

MeasurementFetchStrategy

public class NoOpStrategy
extends Object
implements MeasurementFetchStrategy

Constructor Summary

Constructors

Constructor and Description
NoOpStrategy()

Method Summary

Modifier and Type	Method and Description
FetchResults	fetch(long start, long end, long step, int maxrows, List<Source> sources) Fetches the measurements for the given sources.

Methods inherited from class java.lang.Object

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

Constructor Detail

NoOpStrategy

public NoOpStrategy()

Method Detail

fetch

public FetchResults fetch(long start,
                          long end,
                          long step,
                          int maxrows,
                          List<Source> sources)
                   throws Exception

Description copied from interface: MeasurementFetchStrategy

Fetches the measurements for the given sources.

Specified by:

fetch in interface MeasurementFetchStrategy

Parameters:

start - timestamp in milliseconds

end - timestamp in milliseconds

step - desired resolution in milliseconds - actual resolution might differ

maxrows - maximum number of rows- no limit when <= 0

sources - array of sources - these should have unique labels

Returns:

null when a resource id or attribute cannot be found

Throws:

Exception