spring-batch SimpleJvmExitCodeMapper 源码
spring-batch SimpleJvmExitCodeMapper 代码
文件路径：/spring-batch-core/src/main/java/org/springframework/batch/core/launch/support/SimpleJvmExitCodeMapper.java
/*
* Copyright 2006-2013 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
*
* https://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.batch.core.launch.support;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.batch.core.ExitStatus;
/**
* An implementation of {@link ExitCodeMapper} that can be configured through a map from
* batch exit codes (String) to integer results. Some default entries are set up to
* recognise common cases. Any that are injected are added to these.
*
* @author Stijn Maller
* @author Lucas Ward
* @author Dave Syer
*/
public class SimpleJvmExitCodeMapper implements ExitCodeMapper {
protected Log logger = LogFactory.getLog(getClass());
private Map<String, Integer> mapping;
public SimpleJvmExitCodeMapper() {
mapping = new HashMap<>();
mapping.put(ExitStatus.COMPLETED.getExitCode(), JVM_EXITCODE_COMPLETED);
mapping.put(ExitStatus.FAILED.getExitCode(), JVM_EXITCODE_GENERIC_ERROR);
mapping.put(ExitCodeMapper.JOB_NOT_PROVIDED, JVM_EXITCODE_JOB_ERROR);
mapping.put(ExitCodeMapper.NO_SUCH_JOB, JVM_EXITCODE_JOB_ERROR);
}
public Map<String, Integer> getMapping() {
return mapping;
}
/**
* Supply the ExitCodeMappings
* @param exitCodeMap A set of mappings between environment specific exit codes and
* batch framework internal exit codes
*/
public void setMapping(Map<String, Integer> exitCodeMap) {
mapping.putAll(exitCodeMap);
}
/**
* Get the operating system exit status that matches a certain Batch Framework exit
* code
* @param exitCode The exit code of the Batch Job as known by the Batch Framework
* @return The exitCode of the Batch Job as known by the JVM
*/
@Override
public int intValue(String exitCode) {
Integer statusCode = null;
try {
statusCode = mapping.get(exitCode);
}
catch (RuntimeException ex) {
// We still need to return an exit code, even if there is an issue
// with
// the mapper.
logger.fatal("Error mapping exit code, generic exit status returned.", ex);
}
return (statusCode != null) ? statusCode.intValue() : JVM_EXITCODE_GENERIC_ERROR;
}
}
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