io.fluxcapacitor.common.handling.ParameterResolver Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of common Show documentation

Library with common components for Flux Capacitor clients and service.

There is a newer version: 0.1072.0

/*
 * Copyright (c) Flux Capacitor IP B.V. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.fluxcapacitor.common.handling;

import java.lang.annotation.Annotation;
import java.lang.reflect.Parameter;
import java.util.function.Function;

@FunctionalInterface
public interface ParameterResolver {

    Function resolve(Parameter parameter, Annotation methodAnnotation);

    default boolean matches(Parameter parameter, Annotation methodAnnotation, M value) {
        Function function = resolve(parameter, methodAnnotation);
        if (function == null) {
            return false;
        }
        Object parameterValue = function.apply(value);
        return parameterValue == null || parameter.getType().isAssignableFrom(parameterValue.getClass());
    }

    default boolean determinesSpecificity() {
        return false;
    }

    default boolean filterMessage(M message, Parameter parameter) {
        return true;
    }

}