| /* |
| * 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.wayang.apps.util |
| |
| import java.util.Objects |
| |
| /** |
| * Utility for printing to the stdout. |
| */ |
| object StdOut { |
| |
| def printLimited[T](iterable: Iterable[T], |
| limit: Int = 10, |
| formatter: T => String = (t: T) => Objects.toString(t)): Unit = { |
| iterable.take(limit).map(formatter).foreach(println) |
| val numRemainders = iterable.size - limit |
| if (numRemainders > 0) { |
| println(f"...and $numRemainders%,d more.") |
| } |
| } |
| |
| } |