SystemAdapter.java

/* Copyright 2012 Google, Inc.
 *
 * Licensed 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.arbeitspferde.groningen.common;

/**
 * Since {@link System} exposes the JVM to a server by means of static methods, testing is
 * extremely difficult.  For the piecemeal parts of {@link System} that Groningen uses, those
 * components shall be provided by an implementation of this.
 */
public interface SystemAdapter {
  /**
   * A test-friendly analogue of {@link System#exit(int)}.
   *
   * @param status The emitted error code.
   */
  public void exit(final int status);
}