JobStepBuilder (Spring Batch 4.1.4.RELEASE API)

java.lang.Object
- org.springframework.batch.core.step.builder.StepBuilderHelper<JobStepBuilder>
- - org.springframework.batch.core.step.builder.JobStepBuilder

```
public class JobStepBuilder
extends StepBuilderHelper<JobStepBuilder>
```
A step builder for JobStep instances. A job step executes a nested Job with parameters taken from the parent job or from the step execution.
从以下版本开始:
2.2
作者:
Dave Syer

嵌套类概要
- 从类继承的嵌套类/接口 org.springframework.batch.core.step.builder.StepBuilderHelper
  StepBuilderHelper.CommonStepProperties

字段概要
- 从类继承的字段 org.springframework.batch.core.step.builder.StepBuilderHelper
  logger, properties

构造器概要
构造器
构造器说明
JobStepBuilder(StepBuilderHelper<?> parent)
Create a new builder initialized with any properties in the parent.

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
`Step`	`build()`	Build a step from the job provided.
`JobStepBuilder`	`job(Job job)`	Provide a job to execute during the step.
`JobStepBuilder`	`launcher(JobLauncher jobLauncher)`	Add a job launcher.
`JobStepBuilder`	`parametersExtractor(JobParametersExtractor jobParametersExtractor)`	Provide a job parameters extractor.

从类继承的方法 org.springframework.batch.core.step.builder.StepBuilderHelper
allowStartIfComplete, enhance, getJobRepository, getName, getTransactionManager, isAllowStartIfComplete, listener, listener, repository, startLimit, transactionManager

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
  - JobStepBuilder
```
public JobStepBuilder(StepBuilderHelper<?> parent)
```
    Create a new builder initialized with any properties in the parent. The parent is copied, so it can be re-used.
    参数:
    parent - a parent helper containing common step properties
- 方法详细资料
  - job
```
public JobStepBuilder job(Job job)
```
    Provide a job to execute during the step.
    参数:
    job - the job to execute
    返回:
    this for fluent chaining
  - launcher
```
public JobStepBuilder launcher(JobLauncher jobLauncher)
```
    Add a job launcher. Defaults to a simple job launcher.
    参数:
    jobLauncher - the job launcher to use
    返回:
    this for fluent chaining
  - parametersExtractor
```
public JobStepBuilder parametersExtractor(JobParametersExtractor jobParametersExtractor)
```
    Provide a job parameters extractor. Useful for extracting job parameters from the parent step execution context or job parameters.
    参数:
    jobParametersExtractor - the job parameters extractor to use
    返回:
    this for fluent chaining
  - build
```
public Step build()
```
    Build a step from the job provided.
    返回:
    a new job step