Enum PlanResolutionError 

pub enum PlanResolutionError {
    UnsupportedTerminalPolicy,
    InvalidTerminalPolicy {
        detail: String,
    },
    InvalidAuthoring {
        instance_key: String,
    },
    InvalidRequirementId {
        consumer_instance: String,
        requirement_id: String,
    },
    DuplicateRequirementId {
        consumer_instance: String,
        requirement_id: String,
    },
    UnsupportedSchemaVersion {
        expected: u32,
        actual: u32,
    },
    DuplicatePluginInstance {
        instance_key: String,
    },
    MissingExecutionLane,
    InvalidExecutionLane {
        execution_lane: String,
    },
    DuplicateExecutionLane {
        execution_lane: String,
    },
    UndeclaredExecutionLane {
        instance_key: String,
        execution_lane: String,
    },
    InvalidPluginEntrypoint {
        instance_key: String,
    },
    DuplicateProvidedCapability {
        provider_instance: String,
        capability_id: String,
    },
    DuplicateOperation {
        provider_instance: String,
        capability_id: String,
        operation: String,
    },
    DuplicateRequiredCapability {
        consumer_instance: String,
        capability_id: String,
    },
    InvalidConsumerReference {
        consumer_instance: String,
        capability_id: String,
    },
    InvalidProviderReference {
        consumer_instance: String,
        capability_id: String,
        provider_instance: String,
    },
    UndeclaredCapabilityRequirement {
        consumer_instance: String,
        capability_id: String,
    },
    IncompatibleCapabilityVersion {
        consumer_instance: String,
        capability_id: String,
        required: String,
        provided: String,
        provider_instance: String,
    },
    CrossLaneTransferUnsupported {
        consumer_instance: String,
        provider_instance: String,
        capability_id: String,
    },
    CrossLaneInteractionUnsupported {
        capability_id: String,
        operation: String,
        interaction: CapabilityOperationKind,
    },
    MissingOneBinding {
        consumer_instance: String,
        capability_id: String,
    },
    AmbiguousOneBinding {
        consumer_instance: String,
        capability_id: String,
        providers: usize,
    },
    AmbiguousOptionalBinding {
        consumer_instance: String,
        capability_id: String,
        providers: usize,
    },
    DuplicateBinding {
        consumer_instance: String,
        capability_id: String,
        provider_instance: String,
    },
    InvalidRequestAdmission {
        capability_id: String,
        operation: String,
        queue_capacity: usize,
        max_concurrency: usize,
    },
    UnknownAdmissionOperation {
        capability_id: String,
        operation: String,
    },
    UnknownOperationInteraction {
        capability_id: String,
        operation: String,
    },
    InvalidRestartPolicy {
        instance_key: String,
        max_attempts: usize,
        window: Duration,
    },
    ActivationCycle {
        instances: Vec<String>,
    },
}

A reason App Composition could not be materialized into a Plan.

Variants

UnsupportedTerminalPolicy

This Kernel does not yet execute the selected terminal policy.

InvalidTerminalPolicy

Host-essential roots or their materialized closure are invalid.

Fields

detail: String

InvalidAuthoring

Contract version or selected runtime profile is invalid.

Fields

instance_key: String

InvalidRequirementId

A requirement identity is invalid for the selected authoring version.

Fields

consumer_instance: String

requirement_id: String

DuplicateRequirementId

Two declarations share one consumer-local identity.

Fields

consumer_instance: String

requirement_id: String

UnsupportedSchemaVersion

The Plan schema cannot be executed by this Kernel version.

Fields

expected: u32

actual: u32

DuplicatePluginInstance

Two Plugin Instances use the same App-local key.

Fields

instance_key: String

MissingExecutionLane

Every App must declare at least one Execution Lane.

InvalidExecutionLane

An Execution Lane identity is empty or whitespace-only.

Fields

execution_lane: String

DuplicateExecutionLane

Two Execution Lanes use the same App-local identity.

Fields

execution_lane: String

UndeclaredExecutionLane

A Plugin Instance names an Execution Lane absent from the Plan.

Fields

instance_key: String

execution_lane: String

InvalidPluginEntrypoint

A Plugin Instance has no executable entrypoint identity.

Fields

instance_key: String

DuplicateProvidedCapability

A Plugin declares the same provided Capability more than once.

Fields

provider_instance: String

capability_id: String

DuplicateOperation

One endpoint declares an Operation more than once.

Fields

provider_instance: String

capability_id: String

operation: String

DuplicateRequiredCapability

A Plugin declares the same required Capability more than once.

Fields

consumer_instance: String

capability_id: String

InvalidConsumerReference

A binding names a consumer that is not in the Composition.

Fields

consumer_instance: String

capability_id: String

InvalidProviderReference

A binding names a provider that is not in the Composition or does not provide the Capability.

Fields

consumer_instance: String

capability_id: String

provider_instance: String

UndeclaredCapabilityRequirement

A binding exists without a matching consumer requirement.

Fields

consumer_instance: String

capability_id: String

IncompatibleCapabilityVersion

The provider and consumer selected different exact Descriptor versions.

Fields

consumer_instance: String

capability_id: String

required: String

provided: String

provider_instance: String

CrossLaneTransferUnsupported

A binding crosses Execution Lanes but its generated contract types are not transferable.

Fields

consumer_instance: String

provider_instance: String

capability_id: String

CrossLaneInteractionUnsupported

A host Runtime does not implement cross-lane transfer for the selected interaction kind.

Retained so downstream code can classify failures produced by older Runtime versions.

Fields

capability_id: String

operation: String

interaction: CapabilityOperationKind

MissingOneBinding

A one requirement has no explicit provider.

Fields

consumer_instance: String

capability_id: String

AmbiguousOneBinding

A one requirement has more than one explicit provider.

Fields

consumer_instance: String

capability_id: String

providers: usize

AmbiguousOptionalBinding

An optional requirement has more than one explicit provider.

Fields

consumer_instance: String

capability_id: String

providers: usize

DuplicateBinding

A provider is repeated for the same requirement.

Fields

consumer_instance: String

capability_id: String

provider_instance: String

InvalidRequestAdmission

A request Operation has an invalid bounded admission policy.

Fields

capability_id: String

operation: String

queue_capacity: usize

max_concurrency: usize

UnknownAdmissionOperation

Admission was configured for an Operation absent from the endpoint.

Fields

capability_id: String

operation: String

UnknownOperationInteraction

Interaction metadata was configured for an absent Operation.

Fields

capability_id: String

operation: String

InvalidRestartPolicy

A Plugin Instance selected an unusable finite restart policy.

Fields

instance_key: String

max_attempts: usize

window: Duration

ActivationCycle

Explicit Capability activation dependencies contain a cycle.

Fields

instances: Vec<String>

Trait Implementations

impl Clone for PlanResolutionError

fn clone(&self) -> PlanResolutionError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PlanResolutionError

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

Formats the value using the given formatter.

impl Display for PlanResolutionError

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

Formats the value using the given formatter.

impl Eq for PlanResolutionError

impl Error for PlanResolutionError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl PartialEq for PlanResolutionError

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for PlanResolutionError