@itwin/ecschema-metadata/lib/cjs/Deserialization/SchemaGraphUtil.d.ts

ECObjects core concepts in typescript

import type { SchemaInfo } from "../Interfaces";
import type { Schema } from "../Metadata/Schema";
/**
 * Utility class for working with Schema graphs.
 * @internal
 */
export declare class SchemaGraphUtil {
    /**
     * Creates a flattened list of schemas in topological order, typically used before schema import
     * so that dependent schemas are processed after their references.
     * @param insertSchema The schema to be imported.
     * @param schemas The schema collection that will hold the ordered schemas. If null, the collection
     * will be created internally and passed along during recursive calls.
     */
    static buildDependencyOrderedSchemaList(insertSchema: Schema, schemas?: Schema[]): Schema[];
    /**
     * Returns a flat list of schemas in topological order, typically used before schema import
     * so that dependent schemas are processed after their references. This method does not alter
     * the original schemaInfos array.
     * @param schemaInfos   The schema collection that will hold the ordered schemas.
     * @returns             A list of schemas in topological order.
     */
    static buildDependencyOrderedSchemaInfoList(schemaInfos: ReadonlyArray<SchemaInfo>): ReadonlyArray<SchemaInfo>;
    /**
     * Indicates if the given Schema references the possibleDependency Schema.
     * @param schema The possible dependent schema.
     * @param possibleDependency The possible Schema dependency.
     */
    private static dependsOn;
    /**
     * Indicates if the given Schema directly references the possiblyReferencedSchema Schema.
     * @param schema The possible parent schema.
     * @param possibleDependency The Schema that may be referenced.
     */
    private static directlyReferences;
    /**
     * Helper method that manages the insertion of a Schema into the schemas collection
     * based on the topological ordering algorithm.
     * @param schemas The ordered collection.
     * @param insert  The instance to insert.
     */
    private static insertSchemaInDependencyOrderedList;
}
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