@itwin/ecschema-metadata/lib/esm/IncrementalLoading/IncrementalSchemaReader.d.ts

ECObjects core concepts in typescript

import { SchemaContext } from "../Context";
import { SchemaReadHelper } from "../Deserialization/Helper";
import { Schema } from "../Metadata/Schema";
import { SchemaItem } from "../Metadata/SchemaItem";
/**
 * Internal helper class to read schema information incrementally. It's based on the [[SchemaReadHelper]]
 * but overrides a few methods to support the incremental schema loading case.
 * @internal
 */
export declare class IncrementalSchemaReader extends SchemaReadHelper {
    private readonly _incremental;
    /**
     * Initializes a new [[IncrementalSchemaReader]] instance.
     * @param schemaContext The [[SchemaContext]] used to load the schemas.
     * @param incremental Indicates that the Schema should be read incrementally.
     * Pass false to load the full schema without an incremental/partial load.
     */
    constructor(schemaContext: SchemaContext, incremental: boolean);
    /**
     * Indicates that a given [[SchemaItem]] has been fully loaded.
     * @param schemaItem The SchemaItem to check.
     * @returns True if the item has been loaded, false if still in progress.
     */
    protected isSchemaItemLoaded(schemaItem: SchemaItem | undefined): boolean;
    /**
     * Starts loading the [[SchemaItem]] identified by the given name and itemType.
     * @param schema The [[Schema]] that contains the SchemaItem.
     * @param name The name of the SchemaItem to load.
     * @param itemType The SchemaItem type name of the item to load.
     * @param schemaItemObject The object accepting the SchemaItem data.
     * @returns A promise that resolves to the loaded SchemaItem instance. Can be undefined.
     */
    loadSchemaItem(schema: Schema, name: string, itemType: string, schemaItemObject: Readonly<unknown>): Promise<SchemaItem | undefined>;
    private schemaItemLoading;
}
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