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43 lines
1.2 KiB
43 lines
1.2 KiB
5 years ago
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'use strict';
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const Aspect = require('./operation').Aspect;
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const defineAspects = require('./operation').defineAspects;
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const CommandOperation = require('./command');
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const applyWriteConcern = require('../utils').applyWriteConcern;
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const handleCallback = require('../utils').handleCallback;
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class DropIndexOperation extends CommandOperation {
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constructor(collection, indexName, options) {
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super(collection.s.db, options, collection);
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this.collection = collection;
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this.indexName = indexName;
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}
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_buildCommand() {
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const collection = this.collection;
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const indexName = this.indexName;
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const options = this.options;
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let cmd = { dropIndexes: collection.collectionName, index: indexName };
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// Decorate command with writeConcern if supported
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cmd = applyWriteConcern(cmd, { db: collection.s.db, collection }, options);
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return cmd;
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}
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execute(callback) {
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// Execute command
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super.execute((err, result) => {
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if (typeof callback !== 'function') return;
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if (err) return handleCallback(callback, err, null);
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handleCallback(callback, null, result);
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});
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}
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}
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defineAspects(DropIndexOperation, Aspect.WRITE_OPERATION);
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module.exports = DropIndexOperation;
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