| /* |
| * |
| * 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.metron.profiler.storm.integration; |
| |
| import org.json.simple.JSONObject; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * Enables simple creation of telemetry messages for testing. |
| */ |
| public class MessageBuilder { |
| |
| private Map<Object, Object> fields; |
| |
| /** |
| * Create a new {@link MessageBuilder}. |
| */ |
| public MessageBuilder() { |
| this.fields = new HashMap<>(); |
| } |
| |
| /** |
| * Adds all of the fields from a message to this message. |
| * |
| * @param prototype The other message that is treated as a prototype. |
| * @return A {@link MessageBuilder} |
| */ |
| public MessageBuilder withFields(JSONObject prototype) { |
| prototype.forEach((key, val) -> this.fields.put(key, val)); |
| return this; |
| } |
| |
| /** |
| * Adds a field to the message. |
| * |
| * @param key The field name. |
| * @param value The field value. |
| * @return A {@link MessageBuilder} |
| */ |
| public MessageBuilder withField(String key, Object value) { |
| this.fields.put(key, value); |
| return this; |
| } |
| |
| /** |
| * Build the message. |
| * |
| * <p>This should be called after defining all of the message fields. |
| * |
| * @return A {@link MessageBuilder}. |
| */ |
| public JSONObject build() { |
| return new JSONObject(fields); |
| } |
| } |