matriv commented on a change in pull request #18479: URL: https://github.com/apache/flink/pull/18479#discussion_r794693019
########## File path: flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/nodes/exec/ExecNodeContext.java ########## @@ -0,0 +1,90 @@ +/* + * 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.table.planner.plan.nodes.exec; + +import org.apache.flink.table.planner.plan.utils.ExecNodeMetadataUtil; + +import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonCreator; +import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonValue; + +/** + * Helper Pojo that holds the necessary identifier fields that are used for JSON plan serialisation + * and de-serialisation. + */ +public class ExecNodeContext { + + private final int id; + private final String name; + private final Integer version; + + public ExecNodeContext(int id, String name, Integer version) { + this.id = id; + this.name = name; + this.version = version; + } + + public ExecNodeContext(int id) { + this(id, null, null); + } + + @JsonCreator + public ExecNodeContext(String value) { + String[] split = value.split("_"); + this.id = Integer.parseInt(split[0]); + this.name = split[1]; + this.version = Integer.valueOf(split[2]); + } + + /** The unique identifier for each ExecNode in the JSON plan. */ + public int getId() { + return id; + } + + /** The type identifying an ExecNode in the JSON plan. See {@link ExecNodeMetadata#name()}. */ + public String getName() { + return name; + } + + /** The version of the ExecNode in the JSON plan. See {@link ExecNodeMetadata#version()}. */ + public Integer getVersion() { + return version; + } + + @JsonValue + @Override + public String toString() { + return id + "_" + name + "_" + version; + } + + @SuppressWarnings("rawtypes") + public static ExecNodeContext newMetadata(Class<? extends ExecNode> execNode) { Review comment: thx! -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
