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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.protocol.tri.service;
import com.google.protobuf.Descriptors.Descriptor;
import com.google.protobuf.Descriptors.FieldDescriptor;
import com.google.protobuf.Descriptors.FileDescriptor;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
public class SchemaDescriptorRegistry {
private static final Map DESCRIPTORS_BY_SYMBOL = new ConcurrentHashMap<>();
private static final Map> EXTENSIONS = new ConcurrentHashMap<>();
private static final Set SERVICES = new HashSet<>();
public static void addSchemaDescriptor(String serviceName, FileDescriptor fd) {
SERVICES.add(serviceName);
DESCRIPTORS_BY_SYMBOL.put(serviceName, fd);
for (Descriptor messageType : fd.getMessageTypes()) {
addType(messageType);
}
for (FieldDescriptor extension : fd.getExtensions()) {
addExtension(extension, fd);
}
}
private static void addType(Descriptor descriptor) {
DESCRIPTORS_BY_SYMBOL.put(descriptor.getFullName(), descriptor.getFile());
for (Descriptor nestedType : descriptor.getNestedTypes()) {
addType(nestedType);
}
}
private static void addExtension(FieldDescriptor extension, FileDescriptor fd) {
String name = extension.getContainingType().getFullName();
int number = extension.getNumber();
if (!EXTENSIONS.containsKey(name)) {
EXTENSIONS.put(name, new HashMap<>());
}
Map fdMap = EXTENSIONS.get(name);
fdMap.put(number, fd);
}
public static FileDescriptor getFileDescriptorByExtensionAndNumber(String extension,
int number) {
return EXTENSIONS.getOrDefault(extension, Collections.emptyMap()).get(number);
}
public static Set getExtensionNumbers(String extension) {
Map ret = EXTENSIONS.get(extension);
if (ret == null) {
return null;
} else {
return ret.keySet();
}
}
public static FileDescriptor getSchemaDescriptor(String serviceName) {
return DESCRIPTORS_BY_SYMBOL.get(serviceName);
}
public static List listServiceNames() {
return new ArrayList<>(SERVICES);
}
}