org.apache.ambari.server.state.alert

Class AggregateDefinitionMapping

java.lang.Object

org.apache.ambari.server.state.alert.AggregateDefinitionMapping

public class AggregateDefinitionMapping
extends Object

The AggregateDefinitionMapping is used to keep an in-memory mapping of all of the AlertDefinitions that have aggregate definitions associated with them.

Constructor Summary

Constructors

Constructor and Description
AggregateDefinitionMapping() Constructor.

Method Summary

Modifier and Type	Method and Description
AlertDefinition	getAggregateDefinition(long clusterId, String name) Gets an aggregate definition based on a given alert definition name.
List<AlertDefinition>	getAggregateDefinitions(long clusterId) Gets a copy of all of the aggregate definitions for the specified cluster.
List<String>	getAlertsWithAggregates(long clusterId) Gets a copy of all of the alerts that have aggregates defined for them.
void	registerAggregate(long clusterId, AlertDefinition definition) Adds a mapping for a new aggregate definition.
void	removeAssociatedAggregate(long clusterId, String aggregatedDefinitonName) Removes the associated aggregate for the specified aggregated definition.

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregateDefinitionMapping

public AggregateDefinitionMapping()

Constructor.

Method Detail

getAggregateDefinition

public AlertDefinition getAggregateDefinition(long clusterId,
                                              String name)

Gets an aggregate definition based on a given alert definition name.

Parameters:

clusterId - the ID of the cluster that the definition is bound to.

name - the unique name of the definition.

Returns:

the aggregate definition, or null if none.

registerAggregate

public void registerAggregate(long clusterId,
                              AlertDefinition definition)

Adds a mapping for a new aggregate definition.

Parameters:

clusterId - the ID of the cluster that the definition is bound to.

definition - the aggregate definition to register (not null).

removeAssociatedAggregate

public void removeAssociatedAggregate(long clusterId,
                                      String aggregatedDefinitonName)

Removes the associated aggregate for the specified aggregated definition.

Parameters:

clusterId - the ID of the cluster that the definition is bound to.

aggregatedDefinitonName - the unique name of the definition for which aggregates should be unassociated (not null).

getAggregateDefinitions

public List<AlertDefinition> getAggregateDefinitions(long clusterId)

Gets a copy of all of the aggregate definitions for the specified cluster.

Parameters:

clusterId - the cluster ID

Returns:

the list of all aggregate definitions

getAlertsWithAggregates

public List<String> getAlertsWithAggregates(long clusterId)

Gets a copy of all of the alerts that have aggregates defined for them.

Parameters:

clusterId - the cluster ID

Returns:

the list of all alerts with aggregate definitions