Package org.apache.solr.common.cloud

Interface CollectionStatePredicate

public interface CollectionStatePredicate
Interface to determine if a set of liveNodes and a collection's state matches some expectations.
See Also:
  • "ZkStateReader#waitForState(String, long, TimeUnit, CollectionStatePredicate)"
  • "ZkStateReader#waitForState(String, long, TimeUnit, Predicate)"

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    matches(Set<String> liveNodes, DocCollection collectionState)
    Check if the set of liveNodes and the collection state matches a required state

  • Method Details

    • matches

      boolean matches(Set<String> liveNodes, DocCollection collectionState)
      Check if the set of liveNodes and the collection state matches a required state

      Note that both liveNodes and collectionState should be consulted to determine the overall state.

      Parameters:
      liveNodes - the current set of live nodes
      collectionState - the latest collection state, or null if the collection does not exist
      Returns:
      true if the input matches the requirements of this predicate