# Package org.apache.ignite.internal.processors.query.schema

Interface Summary
Interface | Description
--- | ---
SchemaIndexCacheVisitor | Closure that internally applies given `SchemaIndexCacheVisitorClosure` to some set of entries.
SchemaIndexCacheVisitorClosure | Index closure accepting current entry state.

Class Summary
Class | Description
--- | ---
SchemaExchangeWorkerTask | Cache schema change task for exchange worker.
SchemaIndexCacheVisitorImpl | Traversor operating all primary and backup partitions of given cache.
SchemaIndexOperationCancellationToken | Index operation cancellation token.
SchemaKey | Schema key.
SchemaNodeLeaveExchangeWorkerTask | Node leave exchange worker task.
SchemaOperationClientFuture | Schema operation client future.
SchemaOperationManager | Schema operation manager.
SchemaOperationWorker | Schema operation executor.

Exception Summary
Exception | Description
--- | ---
SchemaOperationException | Schema operation exception.

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Ignite Fabric | : ver. 2.0.0
Release Date | : April 30 2017