com.conveyal.gtfs.graphql.fetchers

Class MapFetcher

java.lang.Object

com.conveyal.gtfs.graphql.fetchers.MapFetcher

All Implemented Interfaces:

graphql.schema.DataFetcher

public class MapFetcher
extends Object
implements graphql.schema.DataFetcher

This just grabs an entry out of a Map It allows pulling a single field out of the result of a DataFetcher that always returns all fields (like our JDBC SQL fetcher).

Constructor Summary

Constructors

Constructor and Description
MapFetcher(String key)

Method Summary

Modifier and Type	Method and Description
static graphql.schema.GraphQLFieldDefinition	field(String name)
static graphql.schema.GraphQLFieldDefinition	field(String name, graphql.schema.GraphQLOutputType type)
Object	get(graphql.schema.DataFetchingEnvironment dataFetchingEnvironment)

Methods inherited from class java.lang.Object

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

Constructor Detail

MapFetcher

public MapFetcher(String key)

Method Detail

get

public Object get(graphql.schema.DataFetchingEnvironment dataFetchingEnvironment)

Specified by:

get in interface graphql.schema.DataFetcher

field

public static graphql.schema.GraphQLFieldDefinition field(String name)

field

public static graphql.schema.GraphQLFieldDefinition field(String name,
                                                          graphql.schema.GraphQLOutputType type)