MainThreadValidatorUtil (Flink : RPC : Core 2.0.0 API)

java.lang.Object
- org.apache.flink.runtime.rpc.MainThreadValidatorUtil

```
public final class MainThreadValidatorUtil
extends Object
```
This utility exists to bridge between the visibility of the currentMainThread field in the RpcEndpoint.
The currentMainThread can be hidden from RpcEndpoint implementations and only be accessed via this utility from other packages.

Constructor Summary

Constructors
Constructor Description

MainThreadValidatorUtil(RpcEndpoint endpoint)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`enterMainThread()`
`void`	`exitMainThread()`
`static boolean`	`isRunningInExpectedThread(Thread expected)`	Returns true iff the current thread is equals to the provided expected thread and logs violations.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MainThreadValidatorUtil
```
public MainThreadValidatorUtil(RpcEndpoint endpoint)
```
- Method Detail
  - enterMainThread
```
public void enterMainThread()
```
  - exitMainThread
```
public void exitMainThread()
```
  - isRunningInExpectedThread
```
public static boolean isRunningInExpectedThread(@Nullable
                                                Thread expected)
```
    Returns true iff the current thread is equals to the provided expected thread and logs violations.
    
    Parameters:
    
    expected - the expected main thread.
    
    Returns:
    
    true iff the current thread is equals to the provided expected thread.