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40 lines
1.8 KiB
JavaScript
40 lines
1.8 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.isSharded = exports.getReadPreference = void 0;
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const error_1 = require("../../error");
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const read_preference_1 = require("../../read_preference");
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const common_1 = require("../../sdam/common");
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const topology_description_1 = require("../../sdam/topology_description");
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function getReadPreference(options) {
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// Default to command version of the readPreference
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let readPreference = options?.readPreference ?? read_preference_1.ReadPreference.primary;
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// If we have an option readPreference override the command one
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if (options?.readPreference) {
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readPreference = options.readPreference;
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}
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if (typeof readPreference === 'string') {
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readPreference = read_preference_1.ReadPreference.fromString(readPreference);
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}
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if (!(readPreference instanceof read_preference_1.ReadPreference)) {
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throw new error_1.MongoInvalidArgumentError('Option "readPreference" must be a ReadPreference instance');
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}
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return readPreference;
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}
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exports.getReadPreference = getReadPreference;
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function isSharded(topologyOrServer) {
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if (topologyOrServer == null) {
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return false;
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}
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if (topologyOrServer.description && topologyOrServer.description.type === common_1.ServerType.Mongos) {
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return true;
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}
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// NOTE: This is incredibly inefficient, and should be removed once command construction
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// happens based on `Server` not `Topology`.
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if (topologyOrServer.description && topologyOrServer.description instanceof topology_description_1.TopologyDescription) {
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const servers = Array.from(topologyOrServer.description.servers.values());
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return servers.some((server) => server.type === common_1.ServerType.Mongos);
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}
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return false;
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}
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exports.isSharded = isSharded;
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//# sourceMappingURL=shared.js.map
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