Enum ProjectionInvalidation 

pub enum ProjectionInvalidation {
    Model {
        model: String,
    },
    Relationship {
        source_model: String,
        relationship: String,
        target_model: String,
    },
}

Read-model inventory that a mutation invalidates for derived consumers.

Variants

Model

Invalidate selections of a whole logical model.

Fields

model: String

Stable logical model name.

Relationship

Invalidate one named relationship surface.

Fields

source_model: String

Stable source model.

relationship: String

Stable relationship name.

target_model: String

Stable target model.

Implementations

impl ProjectionInvalidation

pub fn model(model: impl Into<String>) -> Result<Self, ProjectionProgramError>

Construct a model invalidation.

Errors

Rejects an empty model name.

pub fn relationship( source_model: impl Into<String>, relationship: impl Into<String>, target_model: impl Into<String>, ) -> Result<Self, ProjectionProgramError>

Construct a relationship invalidation.

Errors

Rejects empty model and relationship names.

Trait Implementations

impl Clone for ProjectionInvalidation

fn clone(&self) -> ProjectionInvalidation

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ProjectionInvalidation

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

Formats the value using the given formatter.

impl Eq for ProjectionInvalidation

impl Hash for ProjectionInvalidation

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for ProjectionInvalidation

fn cmp(&self, other: &ProjectionInvalidation) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for ProjectionInvalidation

fn eq(&self, other: &ProjectionInvalidation) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl PartialOrd for ProjectionInvalidation

fn partial_cmp(&self, other: &ProjectionInvalidation) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Serialize for ProjectionInvalidation

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ProjectionInvalidation