net.morimekta.providence.graphql.utils

Class FieldFieldProvider

java.lang.Object

net.morimekta.providence.graphql.utils.FieldFieldProvider

All Implemented Interfaces:

GQLFieldProvider<net.morimekta.providence.graphql.introspection.Field>

public class FieldFieldProvider
extends Object
implements GQLFieldProvider<net.morimekta.providence.graphql.introspection.Field>

Constructor Summary

Constructors

Constructor and Description
FieldFieldProvider(GQLDefinition definition)

Method Summary

Modifier and Type	Method and Description
net.morimekta.providence.descriptor.PMessageDescriptor<net.morimekta.providence.graphql.introspection.Field>	getDescriptor() Get the type descriptor this mutator is for.
Collection<net.morimekta.providence.descriptor.PField<net.morimekta.providence.graphql.introspection.Field>>	getFields() Get the set of fields that can be mutated with this mutator.
net.morimekta.providence.graphql.introspection.Type	provide(net.morimekta.providence.graphql.introspection.Field message, net.morimekta.providence.descriptor.PField<net.morimekta.providence.graphql.introspection.Field> field, GQLField selection) Mutate the message according to the field selection.

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldFieldProvider

public FieldFieldProvider(@Nonnull
                          GQLDefinition definition)

Method Detail

getDescriptor

public net.morimekta.providence.descriptor.PMessageDescriptor<net.morimekta.providence.graphql.introspection.Field> getDescriptor()

Description copied from interface: GQLFieldProvider

Get the type descriptor this mutator is for. This may be an interface type. Only used for error messages. This type must be indicative of the fields accepted by the provider.

Specified by:

getDescriptor in interface GQLFieldProvider<net.morimekta.providence.graphql.introspection.Field>

Returns:

The message type being mutated.

getFields

@Nonnull
public Collection<net.morimekta.providence.descriptor.PField<net.morimekta.providence.graphql.introspection.Field>> getFields()

Description copied from interface: GQLFieldProvider

Get the set of fields that can be mutated with this mutator.

Specified by:

getFields in interface GQLFieldProvider<net.morimekta.providence.graphql.introspection.Field>

Returns:

Collection of mutating fields.

provide

public net.morimekta.providence.graphql.introspection.Type provide(@Nonnull
                                                                   net.morimekta.providence.graphql.introspection.Field message,
                                                                   @Nonnull
                                                                   net.morimekta.providence.descriptor.PField<net.morimekta.providence.graphql.introspection.Field> field,
                                                                   @Nonnull
                                                                   GQLField selection)

Description copied from interface: GQLFieldProvider

Mutate the message according to the field selection. The field selection will represent a single field in the base message, and will be called for each requested field.

Specified by:

provide in interface GQLFieldProvider<net.morimekta.providence.graphql.introspection.Field>

Parameters:

message - The base message builder to be mutated.

field - The source field requested.

selection - The field selection to be filled or changed.

Returns:

The mutated value for the field.