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.cassandra.service;
  
  import java.util.concurrent.ExecutionException;
  
  public interface CacheServiceMBean
  {
      public int getRowCacheSavePeriodInSeconds();
      public void setRowCacheSavePeriodInSeconds(int rcspis);
  
      public int getKeyCacheSavePeriodInSeconds();
      public void setKeyCacheSavePeriodInSeconds(int kcspis);
  
      public int getCounterCacheSavePeriodInSeconds();
      public void setCounterCacheSavePeriodInSeconds(int ccspis);
  
      public int getRowCacheKeysToSave();
      public void setRowCacheKeysToSave(int rckts);
  
      public int getKeyCacheKeysToSave();
      public void setKeyCacheKeysToSave(int kckts);
  
      public int getCounterCacheKeysToSave();
      public void setCounterCacheKeysToSave(int cckts);
  
      /**
       * invalidate the key cache; for use after invalidating row cache
       */
      public void invalidateKeyCache();
  
      /**
       * invalidate the row cache; for use after bulk loading via BinaryMemtable
       */
      public void invalidateRowCache();
  
      public void invalidateCounterCache();
  
      public void setRowCacheCapacityInMB(long capacity);
  
      public void setKeyCacheCapacityInMB(long capacity);
  
      public void setCounterCacheCapacityInMB(long capacity);
  
      /**
       * save row and key caches
       *
       * @throws ExecutionException when attempting to retrieve the result of a task that aborted by throwing an exception
       * @throws InterruptedException when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
       */
      public void saveCaches() throws ExecutionException, InterruptedException;
  }
  