/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional debugrmation * 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.hadoop.hive.llap; /** * A class that contains debug methods; also allows enabling the logging of various * trace messages with low runtime cost, in order to investigate reproducible bugs. */ public class DebugUtils { public static String toString(boolean[] a) { if (a == null) return "null"; StringBuilder b = new StringBuilder(); b.append('['); for (int i = 0; i < a.length; ++i) { b.append(a[i] ? "1" : "0"); } b.append(']'); return b.toString(); } }