Package io.github.qubitpi.athena.example.books.application

Class SQLMutationDataFetcher

java.lang.Object

io.github.qubitpi.athena.example.books.application.SQLMutationDataFetcher

All Implemented Interfaces:

graphql.schema.DataFetcher<MetaData>

public class SQLMutationDataFetcher
extends Object
implements graphql.schema.DataFetcher<MetaData>

SQLMutationDataFetcher saves file meta data into a SQL data storage via a DataSource.

Constructor Summary

Constructors

Constructor	Description
SQLMutationDataFetcher(DataSource dataSource)	Constructor.

Method Summary

Modifier and Type	Method	Description
MetaData	get(graphql.schema.DataFetchingEnvironment dataFetchingEnvironment)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SQLMutationDataFetcher

@Inject
public SQLMutationDataFetcher(DataSource dataSource)

Constructor.

Parameters:

dataSource - a client object against a SQL database to save meta data into

Throws:

NullPointerException - if dataSource is null

Method Details

get

public MetaData get(graphql.schema.DataFetchingEnvironment dataFetchingEnvironment)
             throws Exception

Specified by:

get in interface graphql.schema.DataFetcher<MetaData>

Throws:

Exception