| // 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.impala.analysis; |
| |
| import org.apache.impala.common.AnalysisException; |
| |
| import java.util.Collection; |
| |
| class AnalysisUtils { |
| |
| static <T> void throwIfNotNull(T o, String message) throws AnalysisException { |
| if (o != null) throw new AnalysisException(message); |
| } |
| |
| static void throwIfNotEmpty(Collection<?> c, String message) |
| throws AnalysisException { |
| if (c != null && !c.isEmpty()) throw new AnalysisException(message); |
| } |
| |
| static <T> void throwIfNull(T o, String message) throws AnalysisException { |
| if (o == null) throw new AnalysisException(message); |
| } |
| |
| static void throwIfNullOrEmpty(Collection<?> c, String message) |
| throws AnalysisException { |
| if (c == null || c.isEmpty()) throw new AnalysisException(message); |
| } |
| } |