dubbo StubSuppliers 源码
dubbo StubSuppliers 代码
文件路径：/dubbo-rpc/dubbo-rpc-api/src/main/java/org/apache/dubbo/rpc/stub/StubSuppliers.java
/*
* 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.stub;
import org.apache.dubbo.common.utils.ReflectUtils;
import org.apache.dubbo.rpc.Invoker;
import org.apache.dubbo.rpc.model.ServiceDescriptor;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Function;
public class StubSuppliers {
private static final Map<String, Function<Invoker<?>, Object>> STUB_SUPPLIERS = new ConcurrentHashMap<>();
private static final Map<String, ServiceDescriptor> SERVICE_DESCRIPTOR_MAP = new ConcurrentHashMap<>();
public static void addDescriptor(String interfaceName, ServiceDescriptor serviceDescriptor) {
SERVICE_DESCRIPTOR_MAP.put(interfaceName, serviceDescriptor);
}
public static void addSupplier(String interfaceName, Function<Invoker<?>, Object> supplier) {
STUB_SUPPLIERS.put(interfaceName, supplier);
}
public static <T> T createStub(String interfaceName, Invoker<T> invoker) {
//TODO DO not hack here
if (!STUB_SUPPLIERS.containsKey(interfaceName)) {
ReflectUtils.forName(stubClassName(interfaceName));
if (!STUB_SUPPLIERS.containsKey(interfaceName)) {
throw new IllegalStateException(
"Can not find any stub supplier for " + interfaceName);
}
}
return (T) STUB_SUPPLIERS.get(interfaceName).apply(invoker);
}
private static String stubClassName(String interfaceName) {
int idx = interfaceName.lastIndexOf('.');
String pkg = interfaceName.substring(0, idx + 1);
String name = interfaceName.substring(idx + 1);
return pkg + "Dubbo" + name + "Triple";
}
public static ServiceDescriptor getServiceDescriptor(String interfaceName) {
//TODO DO not hack here
if (!SERVICE_DESCRIPTOR_MAP.containsKey(interfaceName)) {
ReflectUtils.forName(stubClassName(interfaceName));
if (!SERVICE_DESCRIPTOR_MAP.containsKey(interfaceName)) {
throw new IllegalStateException(
"Can not find any stub supplier for " + interfaceName);
}
}
return SERVICE_DESCRIPTOR_MAP.get(interfaceName);
}
}
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