ceph/src/arrow/java/vector/src/main/java/org/apache/arrow/vector/validate/ValidateUtil.java

   1 /*
   2  * Licensed to the Apache Software Foundation (ASF) under one or more
   3  * contributor license agreements.  See the NOTICE file distributed with
   4  * this work for additional information regarding copyright ownership.
   5  * The ASF licenses this file to You under the Apache License, Version 2.0
   6  * (the "License"); you may not use this file except in compliance with
   7  * the License.  You may obtain a copy of the License at
   8  *
   9  *    http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 package org.apache.arrow.vector.validate;
  19
  20 /**
  21  * Utilities for vector validation.
  22  */
  23 public class ValidateUtil {
  24
  25   private ValidateUtil() {
  26   }
  27
  28   /**
  29    * Validate the expression.
  30    * @param expression the expression to validate.
  31    * @param errorMessage the error message.
  32    * @throws ValidateException if the expression evaluates to false.
  33    */
  34   public static void validateOrThrow(boolean expression, String errorMessage) {
  35     if (!expression) {
  36       throw new ValidateException(errorMessage);
  37     }
  38   }
  39
  40   /**
  41    * Validate the expression.
  42    * @param expression the expression to validate.
  43    * @param errorMessage the error message template.
  44    * @param args the error message arguments.
  45    * @throws ValidateException if the expression evaluates to false.
  46    */
  47   public static void validateOrThrow(boolean expression, String errorMessage, Object... args) {
  48     if (!expression) {
  49       throw new ValidateException(String.format(errorMessage, args));
  50     }
  51   }
  52
  53   /**
  54    * A exception that is thrown when the vector validation fails.
  55    */
  56   public static class ValidateException extends RuntimeException {
  57     public ValidateException(String message) {
  58       super(message);
  59     }
  60   }
  61 }