lenso-app-plan 0.1.0

Immutable application plans for the Lenso vNext runtime.
Documentation 
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//! Execution Adapter class identities preserved in the Resolved App Plan.

use std::fmt;

use serde::{Deserialize, Serialize};

/// Stable App-local identity of one single-owner Kernel execution lane.
#[derive(Clone, Debug, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
pub struct ExecutionLaneId(String);

impl ExecutionLaneId {
    /// Creates an App-local lane identity selected by App Composition.
    pub fn new(value: impl Into<String>) -> Self {
        Self(value.into())
    }

    /// Returns the conventional one-lane placement used when none is authored.
    pub fn main() -> Self {
        Self::new("main")
    }

    /// Returns the stable App-local identity.
    pub fn as_str(&self) -> &str {
        &self.0
    }
}

impl Default for ExecutionLaneId {
    fn default() -> Self {
        Self::main()
    }
}

impl fmt::Display for ExecutionLaneId {
    fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
        formatter.write_str(self.as_str())
    }
}

/// One Plan-declared single-owner Kernel lane.
#[derive(Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
pub struct ExecutionLanePlan {
    id: ExecutionLaneId,
}

impl ExecutionLanePlan {
    /// Declares one execution lane.
    pub fn new(id: impl Into<String>) -> Self {
        Self {
            id: ExecutionLaneId::new(id),
        }
    }

    /// Returns the App-local lane identity.
    pub const fn id(&self) -> &ExecutionLaneId {
        &self.id
    }
}

/// Stable, open identity of the execution mechanism selected for a Module
/// Instance.
///
/// Execution Adapter packages own these IDs. The Plan preserves them as opaque
/// authoring data so third-party Adapters do not require changes to this crate.
#[derive(Clone, Debug, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
pub struct ExecutionClassId(String);

impl ExecutionClassId {
    /// Creates an execution-class identity selected by App Composition.
    pub fn new(value: impl Into<String>) -> Self {
        Self(value.into())
    }

    /// Returns the official statically linked Rust execution class.
    pub fn native_rust() -> Self {
        Self::new("lenso.native-rust@1")
    }

    /// Returns the official trusted Bun child-process execution class.
    pub fn bun_child_process() -> Self {
        Self::new("lenso.bun-process@1")
    }

    /// Returns the stable execution-class identity.
    pub fn as_str(&self) -> &str {
        &self.0
    }
}

impl fmt::Display for ExecutionClassId {
    fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
        formatter.write_str(self.as_str())
    }
}