| /* |
| * 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.servicecomb.codec.protobuf.definition; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Objects; |
| |
| import javax.ws.rs.core.Response.Status; |
| |
| import org.apache.servicecomb.codec.protobuf.utils.ScopedProtobufSchemaManager; |
| import org.apache.servicecomb.core.Invocation; |
| import org.apache.servicecomb.core.definition.MicroserviceMeta; |
| import org.apache.servicecomb.swagger.invocation.InvocationType; |
| |
| import com.fasterxml.jackson.databind.JavaType; |
| import com.google.common.annotations.VisibleForTesting; |
| |
| public final class ProtobufManager { |
| public static final String EXT_ID = "protobuf"; |
| |
| private static final Object LOCK = new Object(); |
| |
| static class RuntimeCacheKey { |
| final InvocationType invocationType; |
| |
| final String uniqueOperationId; |
| |
| // Using response type as the cache key. |
| // May consider request type as well, but now not implemented |
| final JavaType responseType; |
| |
| public RuntimeCacheKey(InvocationType invocationType, String operationId, JavaType responseType) { |
| this.invocationType = invocationType; |
| this.uniqueOperationId = operationId; |
| this.responseType = responseType; |
| } |
| |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| |
| RuntimeCacheKey that = (RuntimeCacheKey) o; |
| |
| if (invocationType != that.invocationType) { |
| return false; |
| } |
| if (!uniqueOperationId.equals(that.uniqueOperationId)) { |
| return false; |
| } |
| return Objects.equals(responseType, that.responseType); |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = invocationType.hashCode(); |
| result = 31 * result + uniqueOperationId.hashCode(); |
| result = 31 * result + (responseType != null ? responseType.hashCode() : 0); |
| return result; |
| } |
| } |
| |
| private static final Map<RuntimeCacheKey, OperationProtobuf> RUNTIME_CACHE = new HashMap<>(); |
| |
| public static OperationProtobuf getOrCreateOperation(Invocation invocation) { |
| RuntimeCacheKey cacheKey = new RuntimeCacheKey(invocation.getInvocationType(), |
| invocation.getOperationMeta().getMicroserviceQualifiedName(), |
| invocation.findResponseType(Status.OK.getStatusCode())); |
| OperationProtobuf operationProtobuf = RUNTIME_CACHE.get(cacheKey); |
| if (operationProtobuf == null) { |
| synchronized (LOCK) { |
| MicroserviceMeta microserviceMeta = invocation.getMicroserviceMeta(); |
| ScopedProtobufSchemaManager scopedProtobufSchemaManager = microserviceMeta.getExtData(EXT_ID); |
| if (scopedProtobufSchemaManager == null) { |
| scopedProtobufSchemaManager = new ScopedProtobufSchemaManager(); |
| microserviceMeta.putExtData(EXT_ID, scopedProtobufSchemaManager); |
| } |
| |
| operationProtobuf = RUNTIME_CACHE.get(cacheKey); |
| if (operationProtobuf == null) { |
| operationProtobuf = new OperationProtobuf(scopedProtobufSchemaManager, invocation); |
| RUNTIME_CACHE.put(cacheKey, operationProtobuf); |
| } |
| } |
| } |
| |
| return operationProtobuf; |
| } |
| |
| @VisibleForTesting |
| public static void clear() { |
| RUNTIME_CACHE.clear(); |
| } |
| } |