org.apache.sling.graphql.core.schema

Class RankedSchemaProviders

java.lang.Object

org.apache.sling.graphql.core.schema.RankedSchemaProviders

All Implemented Interfaces:

SchemaProvider

public class RankedSchemaProviders
extends Object
implements SchemaProvider

Uses multiple registered SchemaProvider services to get a schema, using the first one that returns non-null.

Constructor Summary

Constructors

Constructor and Description
RankedSchemaProviders()

Method Summary

Modifier and Type	Method and Description
protected void	bindSchemaProvider(SchemaProvider service, Map<String,Object> props)
@Nullable String	getSchema(@NotNull org.apache.sling.api.resource.Resource r, @Nullable String[] selectors) Get a GraphQL Schema definition for the given resource and optional selectors
protected void	unbindSchemaProvider(SchemaProvider service, Map<String,Object> props)

Methods inherited from class java.lang.Object

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

Constructor Detail

RankedSchemaProviders

public RankedSchemaProviders()

Method Detail

getSchema

@Nullable
public @Nullable String getSchema(@NotNull
                                            @NotNull org.apache.sling.api.resource.Resource r,
                                            @Nullable
                                            @Nullable String[] selectors)
                                     throws IOException

Description copied from interface: SchemaProvider

Get a GraphQL Schema definition for the given resource and optional selectors

Specified by:

getSchema in interface SchemaProvider

Parameters:

r - The Resource to which the schema applies

selectors - Optional set of Request Selectors that can influence the schema selection

Returns:

a GraphQL schema that can be annotated to define the data fetchers to use, see this module's documentation. Can return null if a schema cannot be provided, in which case a different provider should be used.

Throws:

IOException

bindSchemaProvider

protected void bindSchemaProvider(SchemaProvider service,
                                  Map<String,Object> props)

unbindSchemaProvider

protected void unbindSchemaProvider(SchemaProvider service,
                                    Map<String,Object> props)