001/* 002 * Copyright 2010-2018 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.springframework.batch.core; 017 018import org.springframework.lang.Nullable; 019 020/** 021 * Strategy interface for a {@link Job} to use in validating its parameters for 022 * an execution. 023 * 024 * @author Dave Syer 025 * @author Mahmoud Ben Hassine 026 * 027 */ 028public interface JobParametersValidator { 029 030 /** 031 * Check the parameters meet whatever requirements are appropriate, and 032 * throw an exception if not. 033 * 034 * @param parameters some {@link JobParameters} (can be {@code null}) 035 * @throws JobParametersInvalidException if the parameters are invalid 036 */ 037 void validate(@Nullable JobParameters parameters) throws JobParametersInvalidException; 038 039}