Package org.jboss.as.controller.registry

Class PlaceholderResource

java.lang.Object
org.jboss.as.controller.registry.PlaceholderResource
All Implemented Interfaces:
Cloneable, Resource
Direct Known Subclasses:
PlaceholderResource.PlaceholderResourceEntry
public class PlaceholderResource extends Object implements Resource
Resource that solely holds a place in the resource tree and has no model or children. A typically usage would be for a resource that represents some runtime-only service, where all attributes of the resource are read by reading that service.
Author:
Brian Stansberry (c) 2011 Red Hat Inc.

  • Field Details

  • Method Details

    • getModel

      public org.jboss.dmr.ModelNode getModel()
      Description copied from interface: Resource
      Get the local model.
      Specified by:
      getModel in interface Resource
      Returns:
      the model

    • writeModel

      public void writeModel(org.jboss.dmr.ModelNode newModel)
      Description copied from interface: Resource
      Write the model.
      Specified by:
      writeModel in interface Resource
      Parameters:
      newModel - the new model

    • isModelDefined

      public boolean isModelDefined()
      Description copied from interface: Resource
      Determine whether the model of this resource is defined.
      Specified by:
      isModelDefined in interface Resource
      Returns:
      true if the local model is defined

    • hasChild

      public boolean hasChild(PathElement element)
      Description copied from interface: Resource
      Determine whether this resource has a child with the given address. In case the PathElement has a wildcard as value, it will determine whether this resource has any resources of a given type.
      Specified by:
      hasChild in interface Resource
      Parameters:
      element - the path element
      Returns:
      true if there is child with the given address

    • getChild

      public Resource getChild(PathElement element)
      Description copied from interface: Resource
      Get a single child of this resource with the given address. If no such child exists this will return null.
      Specified by:
      getChild in interface Resource
      Parameters:
      element - the path element
      Returns:
      the resource, null if there is no such child resource

    • requireChild

      public Resource requireChild(PathElement element)
      Description copied from interface: Resource
      Get a single child of this resource with the given address. If no such child exists a, an exception is thrown.
      Specified by:
      requireChild in interface Resource
      Parameters:
      element - the path element
      Returns:
      the resource

    • hasChildren

      public boolean hasChildren(String childType)
      Description copied from interface: Resource
      Determine whether this resource has any child of a given type.
      Specified by:
      hasChildren in interface Resource
      Parameters:
      childType - the child type
      Returns:
      true if there is any child of the given type

    • getChildTypes

      public Set<String> getChildTypes()
      Description copied from interface: Resource
      Get a list of registered child types for this resource.
      Specified by:
      getChildTypes in interface Resource
      Returns:
      the registered child types

    • getChildrenNames

      public Set<String> getChildrenNames(String childType)
      Description copied from interface: Resource
      Get the children names for a given type.
      Specified by:
      getChildrenNames in interface Resource
      Parameters:
      childType - the child type
      Returns:
      the names of registered child resources

    • getChildren

      public Set<Resource.ResourceEntry> getChildren(String childType)
      Description copied from interface: Resource
      Get the children for a given type.
      Specified by:
      getChildren in interface Resource
      Parameters:
      childType - the child type
      Returns:
      the registered children

    • registerChild

      public void registerChild(PathElement address, Resource resource)
      Description copied from interface: Resource
      Register a child resource.
      Specified by:
      registerChild in interface Resource
      Parameters:
      address - the address
      resource - the resource

    • registerChild

      public void registerChild(PathElement address, int index, Resource resource)
      Description copied from interface: Resource
      Register a child resource
      Specified by:
      registerChild in interface Resource
      Parameters:
      address - the address
      index - the index at which to add the resource. Existing children with this index and higher will be shifted one uo
      resource - the resource

    • removeChild

      public Resource removeChild(PathElement address)
      Description copied from interface: Resource
      Remove a child resource.
      Specified by:
      removeChild in interface Resource
      Parameters:
      address - the address
      Returns:
      the resource

    • isRuntime

      public boolean isRuntime()
      Description copied from interface: Resource
      Gets whether this resource only exists in the runtime and has no representation in the persistent configuration model.
      Specified by:
      isRuntime in interface Resource
      Returns:
      true if the resource has no representation in the persistent configuration model; false otherwise

    • isProxy

      public boolean isProxy()
      Description copied from interface: Resource
      Gets whether operations against this resource will be proxied to a remote process.
      Specified by:
      isProxy in interface Resource
      Returns:
      true if this resource represents a remote resource; false otherwise

    • getOrderedChildTypes

      public Set<String> getOrderedChildTypes()
      Description copied from interface: Resource
      Return the child types for which the order matters.
      Specified by:
      getOrderedChildTypes in interface Resource
      Returns:
      true if the order of the children matters. If there are no ordered children and empty set is returned. This method should never return null

    • clone

      public Resource clone()
      Description copied from interface: Resource
      Creates and returns a copy of this resource.
      Specified by:
      clone in interface Resource
      Overrides:
      clone in class Object
      Returns:
      the clone. Will not return null