com.jcabi.dynamo

Interface Valve

All Known Implementing Classes:

QueryValve, ReValve, ScanValve

@Immutable
public interface Valve

Provider of dosages of DynamoDB items.

Since:

0.7.21

Version:

$Id$

Author:

Yegor Bugayenko (yegor@tpc2.com)

Method Summary

Methods

Modifier and Type	Method and Description
Dosage	fetch(Credentials credentials, String table, Map<String,com.amazonaws.services.dynamodbv2.model.Condition> conditions, Collection<String> keys) Fetch the first dosage.

Method Detail

fetch

@NotNull(message="dosage is never NULL")
Dosage fetch(@NotNull(message="creds can\'t be NULL")
                          Credentials credentials,
                          @NotNull(message="table name can\'t be NULL")
                          String table,
                          @NotNull(message="conditions can\'t be NULL")
                          Map<String,com.amazonaws.services.dynamodbv2.model.Condition> conditions,
                          @NotNull(message="keys can\'t be NULL")
                          Collection<String> keys)

Fetch the first dosage.

Parameters:

credentials - Credentials to AWS

table - Table name

conditions - Conditions

keys - Keys of the table

Returns:

Dosage

Suppressed Checkstyle violations:

ParameterNumber (5 lines)