SequentialProcessor (common 0.9.0 API)

java.lang.Object
- io.pravega.common.concurrent.SequentialProcessor

All Implemented Interfaces:

java.lang.AutoCloseable
```
public class SequentialProcessor
extends java.lang.Object
implements java.lang.AutoCloseable
```
Async processor that serializes the execution of tasks such that no two tasks execute at the same time.

Constructor Summary

Constructors
Constructor Description

SequentialProcessor(@NonNull java.util.concurrent.Executor executor)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<ReturnType> java.util.concurrent.CompletableFuture<ReturnType>`	`add(java.util.function.Supplier<java.util.concurrent.CompletableFuture<? extends ReturnType>> toRun)`	Queues up a new task to execute.
`void`	`close()`

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

- Constructor Detail
  - SequentialProcessor
```
@ConstructorProperties("executor")
public SequentialProcessor(@NonNull
                           @NonNull java.util.concurrent.Executor executor)
```
- Method Detail
  - close
```
public void close()
```
    Specified by:
    
    close in interface java.lang.AutoCloseable
  - add
```
public <ReturnType> java.util.concurrent.CompletableFuture<ReturnType> add(java.util.function.Supplier<java.util.concurrent.CompletableFuture<? extends ReturnType>> toRun)
```
    Queues up a new task to execute. This task will not begin execution until all previous tasks have finished. In addition, no subsequent task will begin executing until this task has finished executing.
    
    Type Parameters:
    
    ReturnType - Return type.
    
    Parameters:
    
    toRun - A Supplier that will be invoked when it is this task's turn to run. It will return a CompletableFuture that will complete when this task completes.
    
    Returns:
    
    A CompletableFuture that will complete with the result from the CompletableFuture returned by toRun, when toRun completes executing.