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1   /*
2    * Copyright 2006-2007 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.springframework.batch.core.launch.support;
17  
18  /**
19   * Interface for exiting the JVM.  This abstraction is only
20   * useful in order to allow classes that make System.exit calls
21   * to be testable, since calling System.exit during a unit 
22   * test would cause the entire jvm to finish.
23   * 
24   * @author Lucas Ward
25   *
26   */
27  public interface SystemExiter {
28  
29  	/**
30  	 * Terminate the currently running Java Virtual Machine.
31  	 * 
32  	 * @param status exit status.
33  	 * @throws SecurityException
34  	 * 		if a security manager exists and its <code>checkExit</code>
35       *        	method doesn't allow exit with the specified status.
36       * @see System#exit(int)
37  	 */
38  	void exit(int status);
39  }