OperationSnapshot (gax-java 2.19.5 API)

All Known Implementing Classes:

HttpJsonOperationSnapshot
```
public interface OperationSnapshot
```
A snapshot of a long-running operation.
The metadata and response will have a structure defined by the particular long-running operation that was initiated.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`StatusCode`	`getErrorCode()`	If the operation is done and it failed, returns the failure status code; if the operation is not done or if it succeeded, returns null.
`java.lang.String`	`getErrorMessage()`	If the operation is done and it failed, returns the error message; if the operation is not done or if it succeeded, returns null.
`java.lang.Object`	`getMetadata()`	Get metadata for the operation, which can change over the course of the operation.
`java.lang.String`	`getName()`	The name of the operation.
`java.lang.Object`	`getResponse()`	If the operation is done and successful, returns the response; if the operation is not done or if it is failed, returns null.
`boolean`	`isDone()`	Returns true if the operation is complete or failed, false otherwise.

- Method Detail
  - getName
```
java.lang.String getName()
```
    The name of the operation. This is used for identifying the operation on the server.
  - getMetadata
```
java.lang.Object getMetadata()
```
    Get metadata for the operation, which can change over the course of the operation.
  - isDone
```
boolean isDone()
```
    Returns true if the operation is complete or failed, false otherwise.
  - getResponse
```
java.lang.Object getResponse()
```
    If the operation is done and successful, returns the response; if the operation is not done or if it is failed, returns null.
  - getErrorCode
```
StatusCode getErrorCode()
```
    If the operation is done and it failed, returns the failure status code; if the operation is not done or if it succeeded, returns null.
  - getErrorMessage
```
java.lang.String getErrorMessage()
```
    If the operation is done and it failed, returns the error message; if the operation is not done or if it succeeded, returns null.