CollectionStatePredicate (Solr 9.0.0 solrj API)

```
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

All Methods Instance Methods Abstract Methods
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 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