org.hawkular.inventory.api

Class EmptyInventory.ResourcesSingle

java.lang.Object

org.hawkular.inventory.api.EmptyInventory.ResourcesSingle

All Implemented Interfaces:

Resources.Single

Enclosing class:

EmptyInventory

public static class EmptyInventory.ResourcesSingle
extends Object
implements Resources.Single

Constructor Summary

Constructors

Constructor and Description
ResourcesSingle()

Method Summary

Modifier and Type	Method and Description
Resource	entity() Resolves the entity and returns it.
Metrics.ReadAssociate	metrics()
Relationships.ReadWrite	relationships()
Relationships.ReadWrite	relationships(Relationships.Direction direction)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hawkular.inventory.api.ResolvableToSingle

exists

Constructor Detail

ResourcesSingle

public ResourcesSingle()

Method Detail

metrics

public Metrics.ReadAssociate metrics()

Returns:

access to metrics owned by the resource(s)

relationships

public Relationships.ReadWrite relationships()

Returns:

the (r/w) access interface to all (outgoing) relationships of the entities on the current position in the inventory traversal.

relationships

public Relationships.ReadWrite relationships(Relationships.Direction direction)

Parameters:

direction - the direction of the relation (aka edge) This is needed because relationships are not bidirectional.

Returns:

the (r/w) access interface to all relationships of the entities on the current position in the inventory traversal.

entity

public Resource entity()
                throws EntityNotFoundException,
                       RelationNotFoundException

Description copied from interface: ResolvableToSingle

Resolves the entity and returns it.

Returns:

the entity at the current position in the inventory traversal

Throws:

EntityNotFoundException - if there is no entity corresponding to the traversal

RelationNotFoundException - if there is no relation corresponding to the traversal