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/*
* Copyright 2016 The gRPC Authors
*
* 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.grpc.internal;
import io.grpc.HandlerRegistry;
import io.grpc.ServerMethodDefinition;
import io.grpc.ServerServiceDefinition;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.Nullable;
final class InternalHandlerRegistry extends HandlerRegistry {
private final List<ServerServiceDefinition> services;
private final Map<String, ServerMethodDefinition<?, ?>> methods;
private InternalHandlerRegistry(
List<ServerServiceDefinition> services, Map<String, ServerMethodDefinition<?, ?>> methods) {
this.services = services;
this.methods = methods;
}
/**
* Returns the service definitions in this registry.
*/
@Override
public List<ServerServiceDefinition> getServices() {
return services;
}
@Nullable
@Override
public ServerMethodDefinition<?, ?> lookupMethod(String methodName, @Nullable String authority) {
// TODO (carl-mastrangelo): honor authority header.
return methods.get(methodName);
}
static final class Builder {
// Store per-service first, to make sure services are added/replaced atomically.
private final HashMap<String, ServerServiceDefinition> services =
new LinkedHashMap<String, ServerServiceDefinition>();
Builder addService(ServerServiceDefinition service) {
services.put(service.getServiceDescriptor().getName(), service);
return this;
}
InternalHandlerRegistry build() {
Map<String, ServerMethodDefinition<?, ?>> map =
new HashMap<String, ServerMethodDefinition<?, ?>>();
for (ServerServiceDefinition service : services.values()) {
for (ServerMethodDefinition<?, ?> method : service.getMethods()) {
map.put(method.getMethodDescriptor().getFullMethodName(), method);
}
}
return new InternalHandlerRegistry(
Collections.unmodifiableList(new ArrayList<>(services.values())),
Collections.unmodifiableMap(map));
}
}
}
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