/*
 * 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.config.invoker;

import org.apache.dubbo.common.URL;
import org.apache.dubbo.config.ServiceConfig;
import org.apache.dubbo.rpc.Invocation;
import org.apache.dubbo.rpc.Invoker;
import org.apache.dubbo.rpc.Result;
import org.apache.dubbo.rpc.RpcException;

/**
 * An invoker wrapper that wrap the invoker and all the metadata (ServiceConfig)
 */
public class DelegateProviderMetaDataInvoker<T> implements Invoker {
    protected final Invoker<T> invoker;
    private ServiceConfig<?> metadata;

    public DelegateProviderMetaDataInvoker(Invoker<T> invoker, ServiceConfig<?> metadata) {
        this.invoker = invoker;
        this.metadata = metadata;
    }

    @Override
    public Class<T> getInterface() {
        return invoker.getInterface();
    }

    @Override
    public URL getUrl() {
        return invoker.getUrl();
    }

    @Override
    public boolean isAvailable() {
        return invoker.isAvailable();
    }

    @Override
    public Result invoke(Invocation invocation) throws RpcException {
        return invoker.invoke(invocation);
    }

    @Override
    public void destroy() {
        invoker.destroy();
    }

    public ServiceConfig<?> getMetadata() {
        return metadata;
    }
}
