BatchResult (Google Cloud Core 2.15.0 API)

java.lang.Object
- com.google.cloud.BatchResult<T,E>

Type Parameters:

T - the type of the result

E - the type of the service-dependent exception thrown when a processing error occurs
```
public abstract class BatchResult<T,E extends BaseServiceException>
extends Object
```
This class holds a single result of a batch call. The class is not thread-safe.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static interface BatchResult.Callback<T,E>
An interface for the batch callbacks.

Constructor Summary

Constructors
Modifier Constructor Description

protected BatchResult()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`completed()`	Returns `true` if the batch has been completed and the result is available; `false` otherwise.
`protected void`	`error(E error)`	Sets an error and status as completed.
`T`	`get()`	Returns the result of this call.
`void`	`notify(BatchResult.Callback<T,E> callback)`	Adds a callback for the batch operation.
`protected void`	`success(T result)`	Sets a result and status as completed.

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

- Constructor Detail
  - BatchResult
```
@InternalApi("This class should only be extended within google-cloud-java")
protected BatchResult()
```
- Method Detail
  - completed
```
public boolean completed()
```
    Returns true if the batch has been completed and the result is available; false otherwise.
  - get
```
public T get()
      throws E extends BaseServiceException
```
    Returns the result of this call.
    
    Throws:
    
    IllegalStateException - if the batch has not been completed yet
    
    E - if an error occurred when processing the batch request
    
    E extends BaseServiceException
  - notify
```
public void notify(BatchResult.Callback<T,E> callback)
```
    Adds a callback for the batch operation.
    
    Throws:
    
    IllegalStateException - if the batch has been completed already
  - error
```
protected void error(E error)
```
    Sets an error and status as completed. Notifies all callbacks.
  - success
```
protected void success(T result)
```
    Sets a result and status as completed. Notifies all callbacks.