Package org.opennms.netmgt.measurements.impl

Class JRrd2FetchStrategy

java.lang.Object

org.opennms.netmgt.measurements.impl.AbstractRrdBasedFetchStrategy

org.opennms.netmgt.measurements.impl.JRrd2FetchStrategy

All Implemented Interfaces:

MeasurementFetchStrategy

public class JRrd2FetchStrategy
extends AbstractRrdBasedFetchStrategy

Constructor Summary

Constructors

Constructor	Description
JRrd2FetchStrategy()

Method Summary

Modifier and Type	Method	Description
protected FetchResults	fetchMeasurements(long start, long end, long step, int maxrows, java.util.Map<Source,java.lang.String> rrdsBySource, java.util.Map<java.lang.String,java.lang.Object> constants, QueryMetadata metadata)	Performs the actual retrieval of the values from the RRD/JRB files.

Methods inherited from class org.opennms.netmgt.measurements.impl.AbstractRrdBasedFetchStrategy

fetch

Methods inherited from class java.lang.Object

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

Constructor Detail

JRrd2FetchStrategy

public JRrd2FetchStrategy()

Method Detail

fetchMeasurements

protected FetchResults fetchMeasurements(long start,
                                         long end,
                                         long step,
                                         int maxrows,
                                         java.util.Map<Source,java.lang.String> rrdsBySource,
                                         java.util.Map<java.lang.String,java.lang.Object> constants,
                                         QueryMetadata metadata)
                                  throws org.jrobin.core.RrdException

Description copied from class: AbstractRrdBasedFetchStrategy

Performs the actual retrieval of the values from the RRD/JRB files.

Specified by:

fetchMeasurements in class AbstractRrdBasedFetchStrategy

Throws:

org.jrobin.core.RrdException