import graphql.DirectivesUtil;

import graphql.PublicApi;

import graphql.PublicSpi;

import graphql.collect.ImmutableKit;

import graphql.execution.ValuesResolver;

import graphql.language.AstPrinter;

import graphql.language.Node;

import static graphql.schema.GraphQLNonNull.nonNull;

import static graphql.schema.GraphQLObjectType.newObject;

import static graphql.util.TraversalControl.CONTINUE;

import static java.util.stream.Collectors.toList;

/**

* The graphql specification does not allow you to retrieve the directives and their argument values that

}

private GraphQLSchema addDirectiveDefinitionFilter(GraphQLSchema schema) {

DataFetcher<?> df = env -> {

DataFetcher<?> df = env -> {

List<GraphQLDirective> definedDirectives = env.getGraphQLSchema().getDirectives();

return filterDirectives(schema,true, null, definedDirectives);

return filterDirectives(schema, true, null, definedDirectives);

};

GraphQLCodeRegistry codeRegistry = schema.getCodeRegistry().transform(bld ->

bld.dataFetcher(coordinates(__Schema, "directives"), df));

DataFetcher<?> argsDF = env -> {

final GraphQLAppliedDirective directive = env.getSource();

// we only show directive arguments that have values set on them

return directive.getArguments().stream()

.filter(arg -> arg.getArgumentValue().isSet());

return ImmutableKit.filter(directive.getArguments(),

arg -> arg.getArgumentValue().isSet());

};

DataFetcher<?> argValueDF = env -> {

final GraphQLAppliedDirectiveArgument argument = env.getSource();

}

private List<GraphQLDirective> filterDirectives(GraphQLSchema schema, boolean isDefinedDirective, GraphQLDirectiveContainer container, List<GraphQLDirective> directives) {

return directives.stream().filter(directive -> {

DirectivePredicateEnvironment env = buildDirectivePredicateEnv(schema, isDefinedDirective, container, directive.getName());

return directivePredicate.isDirectiveIncluded(env);

}).collect(toList());

return ImmutableKit.filter(directives,

directive -> {

DirectivePredicateEnvironment env = buildDirectivePredicateEnv(schema, isDefinedDirective, container, directive.getName());

return directivePredicate.isDirectiveIncluded(env);

});

}

private List<GraphQLAppliedDirective> filterAppliedDirectives(GraphQLSchema schema, boolean isDefinedDirective, GraphQLDirectiveContainer container, List<GraphQLAppliedDirective> directives) {

return directives.stream().filter(directive -> {

DirectivePredicateEnvironment env = buildDirectivePredicateEnv(schema, isDefinedDirective, container, directive.getName());

return directivePredicate.isDirectiveIncluded(env);

}).collect(toList());

return ImmutableKit.filter(directives,

directive -> {

DirectivePredicateEnvironment env = buildDirectivePredicateEnv(schema, isDefinedDirective, container, directive.getName());

return directivePredicate.isDirectiveIncluded(env);

});

}

@NonNull