maosuhan commented on a change in pull request #14376: URL: https://github.com/apache/flink/pull/14376#discussion_r553095717
########## File path: flink-formats/flink-protobuf/src/main/java/org/apache/flink/formats/protobuf/PbSchemaValidator.java ########## @@ -0,0 +1,148 @@ +/* + * 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.flink.formats.protobuf; + +import org.apache.flink.table.api.ValidationException; +import org.apache.flink.table.types.logical.ArrayType; +import org.apache.flink.table.types.logical.LogicalType; +import org.apache.flink.table.types.logical.LogicalTypeRoot; +import org.apache.flink.table.types.logical.MapType; +import org.apache.flink.table.types.logical.RowType; + +import com.google.protobuf.Descriptors; +import com.google.protobuf.Descriptors.FieldDescriptor; +import com.google.protobuf.Descriptors.FieldDescriptor.JavaType; + +import java.util.Arrays; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +public class PbSchemaValidator { + private Descriptors.Descriptor descriptor; + private RowType rowType; + private Map<JavaType, List<LogicalTypeRoot>> typeMatchMap = new HashMap(); + + public PbSchemaValidator(Descriptors.Descriptor descriptor, RowType rowType) { + this.descriptor = descriptor; + this.rowType = rowType; + typeMatchMap.put(JavaType.BOOLEAN, Collections.singletonList(LogicalTypeRoot.BOOLEAN)); + typeMatchMap.put( + JavaType.BYTE_STRING, + Arrays.asList(LogicalTypeRoot.BINARY, LogicalTypeRoot.VARBINARY)); + typeMatchMap.put(JavaType.DOUBLE, Collections.singletonList(LogicalTypeRoot.DOUBLE)); + typeMatchMap.put(JavaType.FLOAT, Collections.singletonList(LogicalTypeRoot.FLOAT)); + typeMatchMap.put( + JavaType.ENUM, + Arrays.asList(LogicalTypeRoot.VARCHAR, LogicalTypeRoot.CHAR)); + typeMatchMap.put( + JavaType.STRING, + Arrays.asList(LogicalTypeRoot.VARCHAR, LogicalTypeRoot.CHAR)); + typeMatchMap.put(JavaType.INT, Collections.singletonList(LogicalTypeRoot.INTEGER)); + typeMatchMap.put(JavaType.LONG, Collections.singletonList(LogicalTypeRoot.BIGINT)); + } + + public Descriptors.Descriptor getDescriptor() { + return descriptor; + } + + public void setDescriptor(Descriptors.Descriptor descriptor) { + this.descriptor = descriptor; + } + + public RowType getRowType() { + return rowType; + } + + public void setRowType(RowType rowType) { + this.rowType = rowType; + } + + public void validate() { + validateTypeMatch(descriptor, rowType); + if (!descriptor.getFile().getOptions().getJavaPackage() + .equals(descriptor.getFile().getPackage())) { + throw new IllegalArgumentException( + "java_package and package must be the same in proto definition"); + } + if (!descriptor.getFile().getOptions().getJavaMultipleFiles()) { Review comment: If someone can tell me how to get the real java class name from com.google.protobuf.Descriptors.Descriptor, the problem can be solved. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
