| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| Valve |
|
| 1.0;1 |
| 1 | /** | |
| 2 | * Copyright (c) 2012-2016, jcabi.com | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: 1) Redistributions of source code must retain the above | |
| 8 | * copyright notice, this list of conditions and the following | |
| 9 | * disclaimer. 2) Redistributions in binary form must reproduce the above | |
| 10 | * copyright notice, this list of conditions and the following | |
| 11 | * disclaimer in the documentation and/or other materials provided | |
| 12 | * with the distribution. 3) Neither the name of the jcabi.com nor | |
| 13 | * the names of its contributors may be used to endorse or promote | |
| 14 | * products derived from this software without specific prior written | |
| 15 | * permission. | |
| 16 | * | |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT | |
| 19 | * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL | |
| 21 | * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| 22 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 26 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 28 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 | */ | |
| 30 | package com.jcabi.dynamo; | |
| 31 | ||
| 32 | import com.amazonaws.services.dynamodbv2.model.Condition; | |
| 33 | import com.jcabi.aspects.Immutable; | |
| 34 | import java.io.IOException; | |
| 35 | import java.util.Collection; | |
| 36 | import java.util.Map; | |
| 37 | ||
| 38 | /** | |
| 39 | * Provider of dosages of DynamoDB items. | |
| 40 | * | |
| 41 | * @author Yegor Bugayenko (yegor@tpc2.com) | |
| 42 | * @version $Id: 3daac014a2684728aa91e15dc3f9e53927477153 $ | |
| 43 | * @since 0.7.21 | |
| 44 | */ | |
| 45 | @Immutable | |
| 46 | public interface Valve { | |
| 47 | ||
| 48 | /** | |
| 49 | * Fetch the first dosage. | |
| 50 | * @param credentials Credentials to AWS | |
| 51 | * @param table Table name | |
| 52 | * @param conditions Conditions | |
| 53 | * @param keys Keys of the table | |
| 54 | * @return Dosage | |
| 55 | * @throws IOException In case of DynamoDB failure | |
| 56 | * @checkstyle ParameterNumber (5 lines) | |
| 57 | */ | |
| 58 | Dosage fetch(Credentials credentials, String table, | |
| 59 | Map<String, Condition> conditions, Collection<String> keys) | |
| 60 | throws IOException; | |
| 61 | ||
| 62 | /** | |
| 63 | * Count items. | |
| 64 | * @param credentials Credentials to AWS | |
| 65 | * @param table Table name | |
| 66 | * @param conditions Conditions | |
| 67 | * @return Total count of the | |
| 68 | * @throws IOException In case of DynamoDB failure | |
| 69 | */ | |
| 70 | int count(Credentials credentials, String table, | |
| 71 | Map<String, Condition> conditions) throws IOException; | |
| 72 | ||
| 73 | } |