java.lang.Object
- org.springframework.batch.core.step.job.DefaultJobParametersExtractor

所有已实现的接口:
JobParametersExtractor
```
public class DefaultJobParametersExtractor
extends java.lang.Object
implements JobParametersExtractor
```
Simple implementation of JobParametersExtractor which pulls parameters with named keys out of the step execution context and the job parameters of the surrounding job.
作者:
Dave Syer, Will Schipp

构造器概要
构造器
构造器说明
DefaultJobParametersExtractor()

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`JobParameters`	`getJobParameters(Job job, StepExecution stepExecution)`	Extract job parameters from the step execution, for example from the execution context or other properties.
`void`	`setKeys(java.lang.String[] keys)`	The key names to pull out of the execution context or job parameters, if they exist.
`void`	`setUseAllParentParameters(boolean useAllParentParameters)`	setter to support switching off all parent parameters

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - DefaultJobParametersExtractor
```
public DefaultJobParametersExtractor()
```
- 方法详细资料
  - setKeys
```
public void setKeys(java.lang.String[] keys)
```
    The key names to pull out of the execution context or job parameters, if they exist. If a key doesn't exist in the execution context then the job parameters from the enclosing job execution are tried, and if there is nothing there either then no parameter is extracted. Key names ending with (long), (int), (double), (date) or (string) will be assumed to refer to values of the respective type and assigned to job parameters accordingly (there will be an error if they are not of the right type). Without a special suffix in that form a parameter is assumed to be of type String.
    参数:
    keys - the keys to set
  - getJobParameters
```
public JobParameters getJobParameters(Job job,
                                      StepExecution stepExecution)
```
    从接口复制的说明: JobParametersExtractor
    Extract job parameters from the step execution, for example from the execution context or other properties.
    指定者:
    getJobParameters 在接口中 JobParametersExtractor
    参数:
    job - a Job
    stepExecution - a StepExecution
    返回:
    some JobParameters
    另请参阅:
    JobParametersExtractor.getJobParameters(Job, StepExecution)
  - setUseAllParentParameters
```
public void setUseAllParentParameters(boolean useAllParentParameters)
```
    setter to support switching off all parent parameters
    参数:
    useAllParentParameters - if false do not include parent parameters. True if all parent parameters need to be included.

类 DefaultJobParametersExtractor

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

DefaultJobParametersExtractor

方法详细资料

setKeys

getJobParameters

setUseAllParentParameters