Examples with GraphQLNonNull graphql.schema.GraphQLNonNull used on opensource projects

Example 1 with GraphQLNonNull

use of graphql.schema.GraphQLNonNull in project graphql-java by graphql-java.

the class FunWithStringsSchemaFactory method createSchema.

GraphQLSchema createSchema() {
    GraphQLObjectType stringObjectType = newObject().name("StringObject").field(newFieldDefinition().name("value").type(GraphQLString).dataFetcher(stringObjectValueFetcher)).field(newFieldDefinition().name("nonNullValue").type(new GraphQLNonNull(GraphQLString)).dataFetcher(stringObjectValueFetcher)).field(newFieldDefinition().name("veryNonNullValue").type(new GraphQLNonNull(new GraphQLNonNull(GraphQLString))).dataFetcher(stringObjectValueFetcher)).field(newFieldDefinition().name("throwException").type(GraphQLString).dataFetcher(throwExceptionFetcher)).field(newFieldDefinition().name("returnBadList").type(GraphQLString).dataFetcher(returnBadListFetcher)).field(newFieldDefinition().name("anyIterable").type(new GraphQLList(GraphQLString)).dataFetcher(anyIterableFetcher)).field(newFieldDefinition().name("shatter").type(new GraphQLNonNull(new GraphQLList(new GraphQLNonNull(new GraphQLTypeReference("StringObject"))))).dataFetcher(shatterFetcher)).field(newFieldDefinition().name("wordsAndLetters").type(new GraphQLNonNull(new GraphQLList(new GraphQLNonNull(new GraphQLList(new GraphQLNonNull(new GraphQLNonNull(new GraphQLTypeReference("StringObject")))))))).dataFetcher(wordsAndLettersFetcher)).field(newFieldDefinition().name("split").description("String#split(regex) but replace empty strings with nulls to help us test null behavior in lists").type(new GraphQLList(new GraphQLTypeReference("StringObject"))).argument(GraphQLArgument.newArgument().name("regex").type(GraphQLString)).dataFetcher(splitFetcher)).field(newFieldDefinition().name("splitNotNull").description("String#split(regex) but replace empty strings with nulls to help us test null behavior in lists").type(new GraphQLList(new GraphQLNonNull(new GraphQLTypeReference("StringObject")))).argument(GraphQLArgument.newArgument().name("regex").type(GraphQLString)).dataFetcher(splitFetcher)).field(newFieldDefinition().name("append").type(new GraphQLTypeReference("StringObject")).argument(GraphQLArgument.newArgument().name("text").type(GraphQLString)).dataFetcher(appendFetcher)).field(newFieldDefinition().name("emptyOptional").type(GraphQLString).argument(GraphQLArgument.newArgument().name("text").type(GraphQLString)).dataFetcher(emptyOptionalFetcher)).field(newFieldDefinition().name("optional").type(GraphQLString).argument(GraphQLArgument.newArgument().name("text").type(GraphQLString)).dataFetcher(optionalFetcher)).field(newFieldDefinition().name("completableFuture").type(GraphQLString).argument(GraphQLArgument.newArgument().name("text").type(GraphQLString)).dataFetcher(completableFutureFetcher)).build();
    GraphQLEnumType enumDayType = newEnum().name("Day").value("MONDAY").value("TUESDAY").description("Day of the week").build();
    GraphQLObjectType simpleObjectType = newObject().name("SimpleObject").field(newFieldDefinition().name("value").type(GraphQLString)).build();
    GraphQLInterfaceType interfaceType = newInterface().name("InterfaceType").field(newFieldDefinition().name("value").type(GraphQLString)).typeResolver(env -> {
        // always this for testing
        return simpleObjectType;
    }).build();
    GraphQLObjectType queryType = newObject().name("StringQuery").field(newFieldDefinition().name("string").type(stringObjectType).argument(GraphQLArgument.newArgument().name("value").type(GraphQLString)).dataFetcher(env -> env.getArgument("value"))).field(newFieldDefinition().name("interface").type(interfaceType).argument(GraphQLArgument.newArgument().name("value").type(GraphQLString)).dataFetcher(env -> CompletableFuture.completedFuture(new SimpleObject()))).field(newFieldDefinition().name("nullEnum").type(enumDayType).dataFetcher(env -> null)).build();
    return GraphQLSchema.newSchema().query(queryType).build();
}

Example 2 with GraphQLNonNull

use of graphql.schema.GraphQLNonNull in project graphql-java by graphql-java.

the class SchemaPrinter method typeString.

String typeString(GraphQLType rawType) {
    StringBuilder sb = new StringBuilder();
    Stack<String> stack = new Stack<>();
    GraphQLType type = rawType;
    while (true) {
        if (type instanceof GraphQLNonNull) {
            type = ((GraphQLNonNull) type).getWrappedType();
            stack.push("!");
        } else if (type instanceof GraphQLList) {
            type = ((GraphQLList) type).getWrappedType();
            sb.append("[");
            stack.push("]");
        } else {
            sb.append(type.getName());
            break;
        }
    }
    while (!stack.isEmpty()) {
        sb.append(stack.pop());
    }
    return sb.toString();
}

Example 3 with GraphQLNonNull

use of graphql.schema.GraphQLNonNull in project graphql-java by graphql-java.

the class TypeInfo method decorate.

/**
 * This will decorate a graphql type with the original hierarchy of non null and list'ness
 * it originally contained in its definition type
 *
 * @param objectType this should be a graphql type that was originally built from this raw type
 * @param <T>        the type
 *
 * @return the decorated type
 */
public <T extends GraphQLType> T decorate(GraphQLType objectType) {
    GraphQLType out = objectType;
    Stack<Class<?>> wrappingStack = new Stack<>();
    wrappingStack.addAll(this.decoration);
    while (!wrappingStack.isEmpty()) {
        Class<?> clazz = wrappingStack.pop();
        if (clazz.equals(NonNullType.class)) {
            out = new GraphQLNonNull(out);
        }
        if (clazz.equals(ListType.class)) {
            out = new GraphQLList(out);
        }
    }
    // noinspection unchecked
    return (T) out;
}

Example 4 with GraphQLNonNull

use of graphql.schema.GraphQLNonNull in project graphql-java by graphql-java.

the class VariableDefaultValuesOfCorrectType method checkVariableDefinition.

@Override
public void checkVariableDefinition(VariableDefinition variableDefinition) {
    GraphQLInputType inputType = getValidationContext().getInputType();
    if (inputType == null)
        return;
    if (inputType instanceof GraphQLNonNull && variableDefinition.getDefaultValue() != null) {
        String message = "Missing value for non null type";
        addError(ValidationErrorType.DefaultForNonNullArgument, variableDefinition.getSourceLocation(), message);
    }
    if (variableDefinition.getDefaultValue() != null && !getValidationUtil().isValidLiteralValue(variableDefinition.getDefaultValue(), inputType, getValidationContext().getSchema())) {
        String message = String.format("Bad default value %s for type %s", variableDefinition.getDefaultValue(), inputType.getName());
        addError(ValidationErrorType.BadValueForDefaultArg, variableDefinition.getSourceLocation(), message);
    }
}

Example 5 with GraphQLNonNull

use of graphql.schema.GraphQLNonNull in project graphql-java by graphql-java.

the class NoUnbrokenInputCycles method check.

private void check(GraphQLInputObjectType type, Set<GraphQLType> seen, List<String> path, SchemaValidationErrorCollector validationErrorCollector) {
    if (seen.contains(type)) {
        validationErrorCollector.addError(new SchemaValidationError(SchemaValidationErrorType.UnbrokenInputCycle, getErrorMessage(path)));
        return;
    }
    seen.add(type);
    for (GraphQLInputObjectField field : type.getFieldDefinitions()) {
        if (field.getType() instanceof GraphQLNonNull) {
            GraphQLType unwrapped = unwrapNonNull((GraphQLNonNull) field.getType());
            if (unwrapped instanceof GraphQLInputObjectType) {
                path = new ArrayList<>(path);
                path.add(field.getName() + "!");
                check((GraphQLInputObjectType) unwrapped, new HashSet<>(seen), path, validationErrorCollector);
            }
        }
    }
}