@azure/cosmos
Version:
Microsoft Azure Cosmos DB Service Node.js SDK for NOSQL API
46 lines • 2.35 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.PartitionKeyRangeCache = void 0;
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
const CosmosDiagnostics_js_1 = require("../CosmosDiagnostics.js");
const helper_js_1 = require("../common/helper.js");
const diagnostics_js_1 = require("../utils/diagnostics.js");
const CollectionRoutingMapFactory_js_1 = require("./CollectionRoutingMapFactory.js");
/** @hidden */
class PartitionKeyRangeCache {
constructor(clientContext) {
this.clientContext = clientContext;
this.collectionRoutingMapByCollectionId = {};
}
/**
* Finds or Instantiates the requested Collection Routing Map
* @param collectionLink - Requested collectionLink
* @hidden
*/
async onCollectionRoutingMap(collectionLink, diagnosticNode, forceRefresh = false) {
const collectionId = (0, helper_js_1.getIdFromLink)(collectionLink);
if (this.collectionRoutingMapByCollectionId[collectionId] === undefined || forceRefresh) {
this.collectionRoutingMapByCollectionId[collectionId] = this.requestCollectionRoutingMap(collectionLink, diagnosticNode);
}
return this.collectionRoutingMapByCollectionId[collectionId];
}
/**
* Given the query ranges and a collection, invokes the callback on the list of overlapping partition key ranges
* @hidden
*/
async getOverlappingRanges(collectionLink, queryRange, diagnosticNode, forceRefresh = false) {
const crm = await this.onCollectionRoutingMap(collectionLink, diagnosticNode, forceRefresh);
return crm.getOverlappingRanges(queryRange);
}
async requestCollectionRoutingMap(collectionLink, diagnosticNode) {
const { resources } = await (0, diagnostics_js_1.withMetadataDiagnostics)(async (metadataDiagnostics) => {
return this.clientContext
.queryPartitionKeyRanges(collectionLink)
.fetchAllInternal(metadataDiagnostics);
}, diagnosticNode, CosmosDiagnostics_js_1.MetadataLookUpType.PartitionKeyRangeLookUp);
return (0, CollectionRoutingMapFactory_js_1.createCompleteRoutingMap)(resources.map((r) => [r, true]));
}
}
exports.PartitionKeyRangeCache = PartitionKeyRangeCache;
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