Package org.apache.sling.discovery.commons.providers

Class DefaultClusterView

java.lang.Object
org.apache.sling.discovery.commons.providers.DefaultClusterView
All Implemented Interfaces:
org.apache.sling.discovery.ClusterView
Direct Known Subclasses:
LocalClusterView
public class DefaultClusterView extends Object implements org.apache.sling.discovery.ClusterView
Default implementation of the ClusterView interface.

Besides implementing the interface methods it also adds add/remove of InstanceDescriptions as well as implementing equals and hashCode.

  • Constructor Details

    • DefaultClusterView

      public DefaultClusterView(String id)

  • Method Details

    • equals

      public boolean equals(Object obj)
      Overrides:
      equals in class Object

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • getId

      public String getId()
      Specified by:
      getId in interface org.apache.sling.discovery.ClusterView

    • addInstanceDescription

      public void addInstanceDescription(DefaultInstanceDescription instance)
      Add the given instance to this cluster and set the cluster on the instance (back pointer)
      Parameters:
      instance - the instance to add to this cluster

    • getInstances

      public List<org.apache.sling.discovery.InstanceDescription> getInstances()
      Specified by:
      getInstances in interface org.apache.sling.discovery.ClusterView

    • getLeader

      public org.apache.sling.discovery.InstanceDescription getLeader()
      Specified by:
      getLeader in interface org.apache.sling.discovery.ClusterView

    • removeInstanceDescription

      public boolean removeInstanceDescription(org.apache.sling.discovery.InstanceDescription instance)
      Removes the given instance from this cluster.

      Note that the instance will still have a pointer to this cluster however.

      Parameters:
      instance - the instance to remove from this cluster

    • getLocalInstance

      public org.apache.sling.discovery.InstanceDescription getLocalInstance()
      Returns the local InstanceDescription or null if no local instance is listed
      Returns:
      the local InstanceDescription or null if no local instance is listed
      Throws:
      IllegalStateException - if multiple local instances are listed