27 lines
776 B
JavaScript
27 lines
776 B
JavaScript
'use strict';
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var LruCache = require('lru-cache');
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function LayergroupAffectedTables() {
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// dbname + layergroupId -> affected tables cache
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this.cache = new LruCache({ max: 2000 });
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}
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module.exports = LayergroupAffectedTables;
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LayergroupAffectedTables.prototype.hasAffectedTables = function(dbName, layergroupId) {
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return this.cache.has(createKey(dbName, layergroupId));
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};
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LayergroupAffectedTables.prototype.set = function(dbName, layergroupId, affectedTables) {
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this.cache.set(createKey(dbName, layergroupId), affectedTables);
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};
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LayergroupAffectedTables.prototype.get = function(dbName, layergroupId) {
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return this.cache.get(createKey(dbName, layergroupId));
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};
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function createKey(dbName, layergroupId) {
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return dbName + ':' + layergroupId;
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}
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