Package org.opennms.netmgt.rtc

Class AvailabilityServiceHibernateImpl

java.lang.Object

org.opennms.netmgt.rtc.AvailabilityServiceHibernateImpl

All Implemented Interfaces:

AvailabilityService

public class AvailabilityServiceHibernateImpl
extends Object
implements AvailabilityService

This implementation of the AvailabilityService uses database calls and stored procedures to calculate the availability percentages.

Author:

Seth, Jesse White

Constructor Summary

Constructors

Constructor	Description
AvailabilityServiceHibernateImpl()

Method Summary

Modifier and Type	Method	Description
Map<String,RTCCategory>	getCategories()	Builds a map of configured categories, keyed by label.
EuiLevel	getEuiLevel(RTCCategory category)	Optimized method for calculating the category statistics.

Methods inherited from class java.lang.Object

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

Constructor Detail

AvailabilityServiceHibernateImpl

public AvailabilityServiceHibernateImpl()

Method Detail

getCategories

public Map<String,RTCCategory> getCategories()

Builds a map of configured categories, keyed by label.

Specified by:

getCategories in interface AvailabilityService

Returns:

the categories

getEuiLevel

@Transactional(readOnly=true)
public EuiLevel getEuiLevel(RTCCategory category)

Optimized method for calculating the category statistics. We start off by retrieving outages affecting the nodes and services in the given category, and group these by node id. Using the outages, we calculate node-level statistics and tally the values to calculate the category statistics.

Specified by:

getEuiLevel in interface AvailabilityService

Returns:

a EuiLevel object.