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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.dubbo.rpc.model;

import java.lang.reflect.Method;
import java.lang.reflect.Type;

public interface MethodDescriptor {

    String getMethodName();

    String getParamDesc();

    /**
     * duplicate filed as paramDesc, but with different format.
     */
    String[] getCompatibleParamSignatures();

    Class[] getParameterClasses();

    Class getReturnClass();

    Type[] getReturnTypes();

    RpcType getRpcType();

    boolean isGeneric();

    /**
     * Only available for ReflectionMethod
     *
     * @return method
     */
    Method getMethod();

    void addAttribute(String key, Object value);

    Object getAttribute(String key);

    enum RpcType {
        UNARY, CLIENT_STREAM, SERVER_STREAM, BI_STREAM
    }
}