// Copyright 2016 Twitter. All rights reserved.
//
// 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 com.twitter.heron.scheduler.dryrun;
import com.twitter.heron.spi.common.Context;
/**
* Dry-run renderer that renders update dry-run response in table format
*/
public class UpdateRawDryRunRenderer {
private final UpdateDryRunResponse response;
public UpdateRawDryRunRenderer(UpdateDryRunResponse response) {
this.response = response;
}
public String render() {
StringBuilder builder = new StringBuilder();
String topologyName = response.getTopology().getName();
String packingClassName = Context.packingClass(response.getConfig());
builder.append("Packing class: " + packingClassName + "\n");
builder.append("Topology: " + topologyName + "\n");
builder.append("New packing plan:\n");
builder.append(response.getPackingPlan().toString() + "\n");
builder.append("Old packing plan:\n");
builder.append(response.getOldPackingPlan().toString() + "\n");
return builder.toString();
}
}