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/*
 * Copyright 2013 the original author or authors.
 *
 * 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.springframework.yarn.launch;

/**
 * This interface should be implemented when an environment calling the batch
 * framework has specific requirements regarding the operating system process
 * return status.
 *
 * @author Janne Valkealahti
 *
 */
public interface ExitCodeMapper {

	public static int JVM_EXITCODE_COMPLETED = 0;

	public static int JVM_EXITCODE_GENERIC_ERROR = 1;

	// we keep below codes here as a reservation
	// because these exist in yarn
	public static int JVM_EXITCODE_INVALID_USER_NAME = 2;
	public static int JVM_EXITCODE_UNABLE_TO_EXECUTE_CONTAINER_SCRIPT = 7;
	public static int JVM_EXITCODE_INVALID_CONTAINER_PID = 9;
	public static int JVM_EXITCODE_INVALID_CONTAINER_EXEC_PERMISSIONS = 22;
	public static int JVM_EXITCODE_INVALID_CONFIG_FILE = 24;
	public static int JVM_EXITCODE_WRITE_CGROUP_FAILED = 27;
	public static int JVM_EXITCODE_FORCE_KILLED = 137;
	public static int JVM_EXITCODE_TERMINATED = 143;

	/**
	 * Convert the exit code from String into an integer that the calling
	 * environment as an operating system can interpret as an exit status.
	 *
	 * @param exitCode The exit code which is used internally.
	 * @return The corresponding exit status as known by the calling
	 *         environment.
	 */
	int intValue(String exitCode);

	/**
	 * Convert the exit code from Boolean into an integer that the calling
	 * environment as an operating system can interpret as an exit status.
	 *
	 * @param exitCode The exit code which is used internally.
	 * @return The corresponding exit status as known by the calling
	 *         environment.
	 */
	int intValue(Boolean exitCode);

}