Package org.opennms.netmgt.measurements.filters.impl

Class Chomp

java.lang.Object

org.opennms.netmgt.measurements.filters.impl.Chomp

All Implemented Interfaces:

Filter

public class Chomp
extends Object
implements Filter

Strips leading and trailing rows that contain nothing but NaNs/null values from the data source. This filter is useful when the values from the RRD-backed data source do not cover the entire time interval used in the report.

Author:

jwhite

Field Summary

Fields inherited from interface org.opennms.netmgt.measurements.api.Filter

TIMESTAMP_COLUMN_NAME

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Chomp()
	Chomp(double cutOffDate, boolean stripNaNs)

Method Summary

Modifier and Type	Method	Description
void	filter(com.google.common.collect.RowSortedTable<Long,String,Double> qrAsTable)

Methods inherited from class java.lang.Object

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

Constructor Detail

Chomp

protected Chomp()

Chomp

public Chomp(double cutOffDate,
             boolean stripNaNs)

Method Detail

filter

public void filter(com.google.common.collect.RowSortedTable<Long,String,Double> qrAsTable)
            throws Exception

Specified by:

filter in interface Filter

Throws:

Exception