Struct PayloadTransform 

pub struct PayloadTransform {
    pub operations: Vec<TransformOperation>,
    pub start_empty: bool,
    pub strict: bool,
}

Payload transformation configuration

Fields

operations: Vec<TransformOperation>

Ordered list of transformation operations

start_empty: bool

Whether to start with empty object (true) or clone input (false)

strict: bool

Fail on any error (true) or continue and skip failed operations (false)

Implementations

impl PayloadTransform

pub fn new() -> Self

Create a new empty transform

pub fn empty() -> Self

Create a transform that starts with an empty object

pub fn strict(self, strict: bool) -> Self

Set strict mode

pub fn extract_field(self, source_path: &str, target_field: &str) -> Self

Add an extract operation

pub fn extract_field_or( self, source_path: &str, target_field: &str, default: Value, ) -> Self

Add an optional extract operation with default

pub fn rename_field(self, from: &str, to: &str) -> Self

Add a rename operation

pub fn add_default(self, field: &str, value: Value) -> Self

Add a constant value

pub fn remove_fields(self, fields: &[&str]) -> Self

Remove specific fields

pub fn filter_fields(self, fields: &[&str]) -> Self

Keep only specific fields

pub fn string_transform( self, source_path: &str, target_field: &str, transform: StringTransformType, ) -> Self

Add a string transform operation

pub fn map_value( self, source_path: &str, target_field: &str, mappings: HashMap<String, Value>, default: Option<Value>, ) -> Self

Add a value mapping operation

pub fn template(self, target_field: &str, template: &str) -> Self

Add a template operation

pub fn wrap(self, wrapper_field: &str) -> Self

Add a wrap operation

pub fn flatten( self, source_path: &str, prefix: Option<&str>, separator: &str, ) -> Self

Add a flatten operation

pub fn add_operation(self, operation: TransformOperation) -> Self

Add a custom operation

pub fn apply(&self, input: &Value) -> Result<Value, PayloadTransformError>

Apply the transformation to a payload

Trait Implementations

impl Clone for PayloadTransform

fn clone(&self) -> PayloadTransform

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PayloadTransform

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for PayloadTransform

fn default() -> PayloadTransform

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for PayloadTransform

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for PayloadTransform

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.