DICE API Documentation/com.embabel.dice.proposition/ProjectionFailureReason

ProjectionFailureReason

sealed interface ProjectionFailureReason

Why a proposition could not be projected (or was skipped). Use describe for a human-readable summary, or branch on the concrete subtype to react programmatically without parsing text.

Inheritors

Types

NoMatchingPredicate

data class NoMatchingPredicate(val detail: String) : ProjectionFailureReason

No predicate in the schema or relations matched the proposition.

PolicyRejected

data class PolicyRejected(val detail: String) : ProjectionFailureReason

The proposition was rejected by the projection policy.

TypeMismatch

data class TypeMismatch(val role: MentionRole, val actual: String, val expected: String) : ProjectionFailureReason

A mention's declared type did not match the relation's expected type.

UnresolvedMention

data class UnresolvedMention(val role: MentionRole, val span: String? = null) : ProjectionFailureReason

A subject or object mention could not be resolved to an entity id.

Functions

describe

abstract fun describe(): String

A concise human-readable rendering of this failure reason.