| /** |
| * 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.heron.scheduler.dryrun; |
| |
| import com.fasterxml.jackson.core.JsonProcessingException; |
| |
| import org.apache.heron.spi.common.Context; |
| import org.apache.heron.spi.packing.PackingPlan; |
| |
| /** |
| * Dry-run renderer that renders submit dry-run response in raw format |
| */ |
| public class UpdateJsonDryRunRenderer { |
| private final UpdateDryRunResponse response; |
| |
| public UpdateJsonDryRunRenderer(UpdateDryRunResponse response) { |
| this.response = response; |
| } |
| |
| public String render() { |
| StringBuilder builder = new StringBuilder(); |
| JsonFormatterUtils newFormatter = new JsonFormatterUtils(); |
| JsonFormatterUtils oldFormatter = new JsonFormatterUtils(); |
| |
| String topologyName = response.getTopology().getName(); |
| String packingClassName = Context.packingClass(response.getConfig()); |
| PackingPlan newPackingPlan = response.getPackingPlan(); |
| PackingPlan oldPackingPlan = response.getOldPackingPlan(); |
| |
| try { |
| String newPackingPlanJson = newFormatter.renderPackingPlan(topologyName, packingClassName, |
| newPackingPlan); |
| String oldPackingPlanJson = oldFormatter.renderPackingPlan(topologyName, packingClassName, |
| oldPackingPlan); |
| |
| builder.append("New packing plan:\n"); |
| builder.append(newPackingPlanJson).append("\n"); |
| builder.append("Old packing plan:\n"); |
| builder.append(oldPackingPlanJson).append("\n"); |
| |
| return builder.toString(); |
| } catch (JsonProcessingException e) { |
| return "ERROR: " + e.getMessage(); |
| } |
| } |
| } |