/**
    * Copyright © 2018 spring-data-dynamodb (https://github.com/derjust/spring-data-dynamodb)
    *
    * 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 org.socialsignin.spring.data.dynamodb.core;
  
  import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapper.FailedBatch;
  import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBMapperTableModel;
  import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBQueryExpression;
  import com.amazonaws.services.dynamodbv2.datamodeling.DynamoDBScanExpression;
  import com.amazonaws.services.dynamodbv2.datamodeling.KeyPair;
  import com.amazonaws.services.dynamodbv2.datamodeling.PaginatedQueryList;
  import com.amazonaws.services.dynamodbv2.datamodeling.PaginatedScanList;
  import com.amazonaws.services.dynamodbv2.model.QueryRequest;
  
  import java.util.List;
  import java.util.Map;
  
  /**
   * Interface to DynmaoDB - as seen from the Spring-Data world
   */
  public interface DynamoDBOperations {
  
  	<T> int count(Class<T> domainClass, DynamoDBQueryExpression<T> queryExpression);
  	<T> int count(Class<T> domainClass, DynamoDBScanExpression scanExpression);
  	<T> int count(Class<T> clazz, QueryRequest mutableQueryRequest);
  
  	<T> PaginatedQueryList<T> query(Class<T> clazz, QueryRequest queryRequest);
  	<T> PaginatedQueryList<T> query(Class<T> domainClass, DynamoDBQueryExpression<T> queryExpression);
  	<T> PaginatedScanList<T> scan(Class<T> domainClass, DynamoDBScanExpression scanExpression);
  
  	<T> T load(Class<T> domainClass, Object hashKey, Object rangeKey);
  	<T> T load(Class<T> domainClass, Object hashKey);
  	<T> List<T> batchLoad(Map<Class<?>, List<KeyPair>> itemsToGet);
  
  	<T> T save(T entity);
  	List<FailedBatch> batchSave(Iterable<?> entities);
  
  	<T> T delete(T entity);
  	List<FailedBatch> batchDelete(Iterable<?> entities);
  
  	<T> String getOverriddenTableName(Class<T> domainClass, String tableName);
  
  	/**
  	 * Provides access to the DynamoDB mapper table model of the underlying domain
  	 * type.
  	 *
  	 * @param <T>
  	 *            The type of the domain type itself
  	 * @param domainClass
  	 *            A domain type
  	 * @return Corresponding DynamoDB table model
  	 */
  	<T> DynamoDBMapperTableModel<T> getTableModel(Class<T> domainClass);
  }