code: /*
   * Copyright © 2014-2017 EntIT Software LLC, a Micro Focus company (L.P.)
   *
   * Licensed 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 io.cloudslang.engine.partitions.services;
  
  import io.cloudslang.engine.partitions.entities.PartitionGroup;
  
  /**
   * Date: 4/22/12
   *
   *
   * This service is responsible for handling tables partiotions.
   * Partition tables are rolled to the next partition when passing a certian treshold
   *
   */
  public interface PartitionService {
  
      /**
       * creates a partition group and store it to the DB
       *
       * @param groupName the desired name of the group
       * @param groupSize the size of partitions
       * @param timeThreshold a time threshold to roll to the next partition
       * @param sizeThreshold a size threshold to roll to the next partition
       */
      void createPartitionGroup(String groupName, int groupSize, long timeThreshold, long sizeThreshold);
  
      /**
       * updates a partition group and store it to the DB
       *
       * @param groupName the desired name of the group
       * @param groupSize the size of partitions
       * @param timeThreshold a time threshold to roll to the next partition
       * @param sizeThreshold a size threshold to roll to the next partition
       */
      void updatePartitionGroup(String groupName, int groupSize, long timeThreshold, long sizeThreshold);
  
      /**
       *
       * Returns a group of the given name.
       *
       * @param groupName the group name to read
       * @return a {@link io.cloudslang.engine.partitions.entities.PartitionGroup} of the given name
       */
  	PartitionGroup readPartitionGroup(String groupName);
  
      /**
       *
       * Rolls a partition 
       *
       * @param groupName the group name to roll
       * @return true if roll was successful
       */
  	boolean rollPartitions(String groupName);
  }
  