/* * 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.storm.util; import org.apache.storm.tuple.Tuple; public class TupleOutputFormatter implements OutputFormatter { private static final long serialVersionUID = -599665757723851761L; @Override public String format(final Tuple input) { final StringBuilder stringBuilder = new StringBuilder(); stringBuilder.append("("); for (final Object attribute : input.getValues()) { stringBuilder.append(attribute); stringBuilder.append(","); } stringBuilder.replace(stringBuilder.length() - 1, stringBuilder.length(), ")"); return stringBuilder.toString(); } }