orElseTry
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"
}
}