harperdb/resources/tracked.d.ts

HarperDB is a distributed database, caching service, streaming broker, and application development platform focused on performance and ease of use.

/**
 *	A tracked class cacheable, (potentially) frozen read-only record, designed to facilitate record updates,
 *	and tracks property (and sub-object/array) changes so that on commit, any property changes can be written as part of
 *	the commit. This will also track specific updates so can record information in CRDTs.
 */
/**
 * assignObjectAccessors add methods to the prototype of the provided Target class to make
 * it a tracked object.
 * @param Target Class to add accessors to
 * @param type_def Type definition for determining property
 */
export declare function assignTrackedAccessors(Target: any, type_def: any): void;
export declare class GenericTrackedObject {
    #private;
    constructor(source_object: any);
    getRecord(): any;
    setRecord(record: any): void;
    getChanges(): any;
    _setChanges(changes: any): void;
}
/**
 * Collapse the changed and transitive and source/record data into single object that
 * can be directly serialized. Performed recursively
 * @param target
 * @returns
 */
export declare function collapseData(target: any): any;
/**
 * Collapse the changed data and source/record data into single object
 * that is frozen and suitable for storage and caching
 * @param target
 * @returns
 */
export declare function updateAndFreeze(target: any, changes?: any): any;
/**
 * Determine if any changes have been made to this tracked object
 * @param target
 * @returns
 */
export declare function hasChanges(target: any): boolean;
export declare function copyRecord(record: any, target_resource: any, attributes: any): void;
export declare const NOT_COPIED_YET: {};
export declare function withoutCopying(callback: any): any;
export declare class Addition {
    value: any;
    __op__: string;
    constructor(value: any);
    update(previous_value: any): any;
}