Operation (Google Cloud Spanner 6.30.0 API)

java.lang.Object
- com.google.cloud.spanner.Operation<R,M>

public class Operation<R,M>
extends Object

Represents a long running operation.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`M`	`getMetadata()`	Returns the metadata returned by the last refresh of this operation.
`String`	`getName()`	Returns the name of the operation.
`R`	`getResult()`	Returns result of the operation if the operation is complete and had a result.
`boolean`	`isDone()`	Returns true if the operation is done.
`boolean`	`isSuccessful()`	Returns true if the operation completed successfully.
`Operation<R,M>`	`reload()`	Fetches the current status of this operation.
`Operation<R,M>`	`waitFor(com.google.cloud.RetryOption... waitOptions)`	Blocks till the operation is complete or maximum time, if specified, has elapsed.

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

- Method Detail
  - reload
```
public Operation<R,M> reload()
                            throws SpannerException
```
    Fetches the current status of this operation.
    
    Throws:
    
    SpannerException
  - waitFor
```
public Operation<R,M> waitFor(com.google.cloud.RetryOption... waitOptions)
                             throws SpannerException
```
    Blocks till the operation is complete or maximum time, if specified, has elapsed.
    
    Returns:
    
    null if operation is not found otherwise the current operation.
    
    Throws:
    
    SpannerException
  - getMetadata
```
public M getMetadata()
```
    Returns the metadata returned by the last refresh of this operation. Returns null if no metadata was returned or if this operation has not been refreshed.
  - isDone
```
public boolean isDone()
```
    Returns true if the operation is done.
  - getResult
```
public R getResult()
            throws SpannerException
```
    Returns result of the operation if the operation is complete and had a result. Returns null if the operation is not complete or did not have a result.
    
    Throws:
    
    SpannerException - if the operation failed.
  - getName
```
public String getName()
```
    Returns the name of the operation.
  - isSuccessful
```
public boolean isSuccessful()
```
    Returns true if the operation completed successfully.