content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements. See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License. You may obtain a copy of the License at
   *
   *    http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.kafka.streams.state;
  
  import org.apache.kafka.streams.processor.StateStore;
  
  /**
   * A state store supplier which can create one or more {@link StateStore} instances.
   *
   * @param <T> State store type
   */
  public interface StoreSupplier<T extends StateStore> {
      /**
       * Return the name of this state store supplier.
       * This must be a valid Kafka topic name; valid characters are ASCII alphanumerics, '.', '_' and '-'.
       *
       * @return the name of this state store supplier
       */
      String name();
  
      /**
       * Return a new {@link StateStore} instance.
       *
       * @return a new {@link StateStore} instance of type T
       */
      T get();
  
      /**
       * Return a String that is used as the scope for metrics recorded by Metered stores.
       * @return metricsScope
       */
      String metricsScope();
  }
  