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/**
* Copyright (c) 2012-2017, jcabi.com
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met: 1) Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer. 2) Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution. 3) Neither the name of the jcabi.com nor
* the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jcabi.dynamo;
import com.amazonaws.services.dynamodbv2.model.AttributeValue;
import com.jcabi.aspects.Immutable;
import java.io.IOException;
import java.util.Map;
/**
* Amazon DynamoDB table abstraction.
*
* To get data from the table use {@link Table#frame()} method. To
* create a new item in the table (or replace the existing one) use
* {@link Table#put(Attributes)} method. For example:
*
*
Region region = new Region.Simple(...);
* Table table = region.table("employees");
* table.put(new Attributes().with("name", "John Smith"));
* for (Item item : table.frame()) {
* System.out.println("Name: " + item.get("name").getS());
* }
* table.frame()
* .where("name", Conditions.equalTo("John Smith"))
* .iterator().next().remove();
*
* @author Yegor Bugayenko ([email protected])
* @version $Id: c24607b5a9fec64a670741085cc31c18a090de70 $
* @since 0.1
*/
@Immutable
public interface Table {
/**
* Put new item there.
*
* It is recommended to use {@link Attributes} supplementary class,
* instead of a raw {@link Map}.
*
* @param attributes Attributes to save
* @return Item just created
* @throws IOException In case of DynamoDB failure
* @see Attributes
*/
Item put(Map attributes) throws IOException;
/**
* Make a new frame, in order to retrieve items.
* @return Frame
*/
Frame frame();
/**
* Get back to the entire region.
* @return Region
*/
Region region();
/**
* Get real table name.
* @return Actual name of DynamoDB table
*/
String name();
/**
* Delete item from aws table.
* It is recommended to use {@link Attributes} supplementary class,
* instead of a raw {@link Map}.
* @param attributes Attributes containing item key and value
* @throws IOException In case of DynamoDB failure
* @see Attributes
*/
void delete(Map attributes) throws IOException;
}