Struct Meta 

pub struct Meta {
    pub resource_type: String,
    pub created: DateTime<Utc>,
    pub last_modified: DateTime<Utc>,
    pub location: Option<String>,
    pub version: Option<String>,
}

A validated SCIM meta attribute.

Meta represents the common metadata for SCIM resources as defined in RFC 7643. It enforces validation rules at construction time, ensuring that only valid meta attributes can exist in the system.

Validation Rules

• Resource type must not be empty
• Created timestamp must be valid ISO 8601 format
• Last modified timestamp must be valid ISO 8601 format
• Last modified must not be before created timestamp
• Location URI, if provided, must be valid format
• Version, if provided, must follow ETag format

Examples

use scim_server::resource::value_objects::Meta;
use chrono::Utc;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let now = Utc::now();
    let meta = Meta::new(
        "User".to_string(),
        now,
        now,
        Some("https://example.com/Users/123".to_string()),
        Some("123-456".to_string())
    )?;
    println!("Resource type: {}", meta.resource_type());

    Ok(())
}

Fields

resource_type: String

created: DateTime<Utc>

last_modified: DateTime<Utc>

location: Option<String>

version: Option<String>

Implementations

impl Meta

pub fn new( resource_type: String, created: DateTime<Utc>, last_modified: DateTime<Utc>, location: Option<String>, version: Option<String>, ) -> ValidationResult<Self>

Create a new Meta with full attributes.

This is the primary constructor that enforces all validation rules. Use this method when creating Meta instances from untrusted input.

Arguments

• resource_type - The SCIM resource type (e.g., “User”, “Group”)
• created - The resource creation timestamp
• last_modified - The resource last modification timestamp
• location - Optional location URI for the resource
• version - Optional version identifier (raw format)

Returns

• Ok(Meta) - If all values are valid
• Err(ValidationError) - If any value violates validation rules

pub fn new_simple( resource_type: String, created: DateTime<Utc>, last_modified: DateTime<Utc>, ) -> ValidationResult<Self>

Create a simple Meta with just resource type and timestamps.

Convenience constructor for creating meta attributes without optional fields.

Arguments

• resource_type - The SCIM resource type
• created - The resource creation timestamp
• last_modified - The resource last modification timestamp

Returns

• Ok(Meta) - If the values are valid
• Err(ValidationError) - If any value violates validation rules

pub fn new_for_creation(resource_type: String) -> ValidationResult<Self>

Create a Meta for a new resource with current timestamp.

Convenience constructor for creating meta attributes for new resources. Sets both created and last_modified to the current time.

Arguments

• resource_type - The SCIM resource type

Returns

• Ok(Meta) - If the resource type is valid
• Err(ValidationError) - If the resource type violates validation rules

pub fn resource_type(&self) -> &str

Get the resource type.

pub fn created(&self) -> DateTime<Utc>

Get the created timestamp.

pub fn last_modified(&self) -> DateTime<Utc>

Get the last modified timestamp.

pub fn location(&self) -> Option<&str>

Get the location URI.

pub fn version(&self) -> Option<&str>

Get the version identifier.

pub fn with_updated_timestamp(&self) -> Self

Create a new Meta with updated last modified timestamp.

This method creates a new Meta instance with the last_modified timestamp updated to the current time, preserving all other attributes.

pub fn with_location(self, location: String) -> ValidationResult<Self>

Create a new Meta with a specific location.

This method creates a new Meta instance with the location set to the provided value, preserving all other attributes.

pub fn with_version(self, version: String) -> ValidationResult<Self>

Create a new Meta with a specific version.

This method creates a new Meta instance with the version set to the provided value, preserving all other attributes.

pub fn generate_location( base_url: &str, resource_type: &str, resource_id: &str, ) -> String

Generate a location URI for the resource.

Creates a standard SCIM location URI based on the base URL, resource type, and resource ID.

Trait Implementations

impl Clone for Meta

fn clone(&self) -> Meta

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Meta

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Meta

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for Meta

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

Formats the value using the given formatter.

impl PartialEq for Meta

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for Meta

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Eq for Meta

impl StructuralPartialEq for Meta