ApplicationPid (Spring Boot API)

java.lang.Object
- org.springframework.boot.system.ApplicationPid

```
public class ApplicationPid
extends Object
```
An application process ID.
从以下版本开始:
2.0.0

- 构造器概要
  构造器
  限定符构造器说明
  ApplicationPid()
  protected ApplicationPid(String pid)
- 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
  boolean equals(Object obj)
  int hashCode()
  String toString()
  void write(File file)
  Write the PID to the specified file.
  - 从类继承的方法 java.lang.Object
    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- 构造器详细资料
  - ApplicationPid
```
public ApplicationPid()
```
  - ApplicationPid
```
protected ApplicationPid(String pid)
```
- 方法详细资料
  - equals
```
public boolean equals(Object obj)
```
    覆盖:
    equals 在类中 Object
  - hashCode
```
public int hashCode()
```
    覆盖:
    hashCode 在类中 Object
  - toString
```
public String toString()
```
    覆盖:
    toString 在类中 Object
  - write
```
public void write(File file)
           throws IOException
```
    Write the PID to the specified file.
    参数:
    file - the PID file
    抛出:
    IllegalStateException - if no PID is available.
    IOException - if the file cannot be written