## Uses of Interface
org.apache.solr.common.cloud.CollectionStateWatcher

- Packages that use CollectionStateWatcher
  Package | Description
  --- | ---
  org.apache.solr.client.solrj.impl | Concrete implementations of client API classes.
  org.apache.solr.common.cloud | Common Solr Cloud and ZooKeeper related classes reused on both clients & server.

- - ### Uses of CollectionStateWatcher in org.apache.solr.client.solrj.impl

    Methods in org.apache.solr.client.solrj.impl with parameters of type CollectionStateWatcher
    Modifier and Type | Method and Description
    --- | ---
    `void` | CloudSolrClient.`registerCollectionStateWatcher(String collection, CollectionStateWatcher watcher)` Register a CollectionStateWatcher to be called when the cluster state for a collection changes Note that the watcher is unregistered after it has been called once.

  - ### Uses of CollectionStateWatcher in org.apache.solr.common.cloud

    Methods in org.apache.solr.common.cloud with parameters of type CollectionStateWatcher
    Modifier and Type | Method and Description
    --- | ---
    `void` | ZkStateReader.`registerCollectionStateWatcher(String collection, CollectionStateWatcher stateWatcher)` Register a CollectionStateWatcher to be called when the state of a collection changes
    `void` | ZkStateReader.`removeCollectionStateWatcher(String collection, CollectionStateWatcher watcher)` Remove a watcher from a collection's watch list.

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