orElseTry
|
DataWeave 2.2 is compatible and bundled with Mule 4.2. This version of Mule reached its End of Life on May 2, 2023, when Extended Support ended. Deployments of new applications to CloudHub that use this version of Mule are no longer allowed. Only in-place updates to applications are permitted. MuleSoft recommends that you upgrade to the latest version of Mule 4 that is in Standard Support so that your applications run with the latest fixes and security enhancements. |
orElseTry(TryResult<T>, () -> R): TryResult<T | R>
Function to be use with try in order to chain multiple try
Introduced in DataWeave 2.2.0. Supported by Mule 4.2 and later.
Parameters
| Name | Description |
|---|---|
|
Previous try result |
|
The next option to try if the previous fails |
Example
This example waits shows how to chain different try
Source
%dw 2.0
import * from dw::Runtime
var user = {}
var otherUser = {}
output application/json
---
{
a: try(() -> user.name!) orElseTry otherUser.name!,
b: try(() -> user.name!) orElseTry "No User Name"
}Output
{
"a": {
"success": false,
"error": {
"kind": "KeyNotFoundException",
"message": "There is no key named 'name'",
"location": "\n9| a: try(() -> user.name!) orElseTry otherUser.name!,\n ^^^^^^^^^^^^^^",
"stack": [
"main (org::mule::weave::v2::engine::transform:9:40)"
]
}
},
"b": {
"success": true,
"result": "No User Name"
}
}