Package org.onosproject.net.resource

Interface ResourceQueryService

  • All Known Subinterfaces:
    ResourceService
    public interface ResourceQueryService
    Service for retrieving resource information.

    • Method Detail

      • getResourceAllocations

        List<ResourceAllocation> getResourceAllocations​(ResourceId id)
        Returns resource allocations of the specified resource.
        Parameters:
        id - ID of the resource to check the allocation
        Returns:
        list of allocation information. If the resource is not allocated, the return value is an empty list.

      • getResourceAllocations

        <T> Collection<ResourceAllocation> getResourceAllocations​(DiscreteResourceId parent,
                                                          Class<T> cls)
        Returns allocated resources being as children of the specified parent and being the specified resource type.
        Type Parameters:
        T - type of the resource
        Parameters:
        parent - parent resource ID
        cls - class to specify a type of resource
        Returns:
        non-empty collection of resource allocations if resources are allocated with the subject and type, empty collection if no resource is allocated with the subject and type

      • getResourceAllocations

        Collection<ResourceAllocation> getResourceAllocations​(ResourceConsumer consumer)
        Returns resources allocated to the specified consumer.
        Parameters:
        consumer - consumer whose allocated resources are to be returned
        Returns:
        resources allocated to the consumer

      • getAvailableResources

        Set<Resource> getAvailableResources​(DiscreteResourceId parent)
        Returns resources that point available child resources under the specified resource.
        Parameters:
        parent - parent resource ID
        Returns:
        available resources under the specified resource

      • getAvailableResources

        <T> Set<Resource> getAvailableResources​(DiscreteResourceId parent,
                                        Class<T> cls)
        Returns available resources which are child resources of the specified parent and whose type is the specified type.
        Type Parameters:
        T - type of the resource
        Parameters:
        parent - parent resource ID
        cls - class to specify a type of resource
        Returns:
        available resources of the specified type under the specified parent resource

      • getAvailableResourceValues

        <T> Set<T> getAvailableResourceValues​(DiscreteResourceId parent,
                                      Class<T> cls)
        Returns available resource values which are the values of the child resource of the specified parent and whose type is the specified type.
        Type Parameters:
        T - type of the resource
        Parameters:
        parent - parent resource ID
        cls - class to specify a type of resource
        Returns:
        available resource value of the specified type under the specified parent resource

      • getRegisteredResources

        Set<Resource> getRegisteredResources​(DiscreteResourceId parent)
        Returns resources registered under the specified resource.
        Parameters:
        parent - parent resource ID
        Returns:
        registered resources under the specified resource

      • isAvailable

        boolean isAvailable​(Resource resource)
        Returns the availability of the specified resource.
        Parameters:
        resource - resource to check the availability
        Returns:
        true if available, otherwise false