org.apache.hudi.common.util.ValidationUtils Maven / Gradle / Ivy
/*
* 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.hudi.common.util;
/**
* Simple utility to test validation conditions (to replace Guava's PreConditions)
*/
public class ValidationUtils {
/**
* Ensures the truth of an expression.
*/
public static void checkArgument(final boolean expression) {
if (!expression) {
throw new IllegalArgumentException();
}
}
/**
* Ensures the truth of an expression, throwing the custom errorMessage otherwise.
*/
public static void checkArgument(final boolean expression, final String errorMessage) {
if (!expression) {
throw new IllegalArgumentException(errorMessage);
}
}
/**
* Ensures the truth of an expression involving the state of the calling instance, but not
* involving any parameters to the calling method.
*
* @param expression a boolean expression
* @throws IllegalStateException if {@code expression} is false
*/
public static void checkState(final boolean expression) {
if (!expression) {
throw new IllegalStateException();
}
}
/**
* Ensures the truth of an expression involving the state of the calling instance, but not
* involving any parameters to the calling method.
*
* @param expression a boolean expression
* @param errorMessage - error message
* @throws IllegalStateException if {@code expression} is false
*/
public static void checkState(final boolean expression, String errorMessage) {
if (!expression) {
throw new IllegalStateException(errorMessage);
}
}
}