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 expecatations.

See Also:

ZkStateReader.waitForState(String, long, TimeUnit, CollectionStatePredicate), ZkStateReader.waitForState(String, long, TimeUnit, Predicate)

Method Summary

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

Method Detail

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