333

schangxiang@126.com

2025-09-19 18966e02fb573c7e2bb0c6426ed792b38b910940

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'use strict';
 
const OperationBase = require('./operation').OperationBase;
const deleteCallback = require('./common_functions').deleteCallback;
const removeDocuments = require('./common_functions').removeDocuments;
 
class DeleteOneOperation extends OperationBase {
  constructor(collection, filter, options) {
    super(options);
 
    this.collection = collection;
    this.filter = filter;
  }
 
  execute(callback) {
    const coll = this.collection;
    const filter = this.filter;
    const options = this.options;
 
    options.single = true;
    removeDocuments(coll, filter, options, (err, r) => deleteCallback(err, r, callback));
  }
}
 
module.exports = DeleteOneOperation;