/usr/lib/nodejs/abstract-leveldown/abstract-chained-batch.js is in node-abstract-leveldown 2.4.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | /* Copyright (c) 2013 Rod Vagg, MIT License */
function AbstractChainedBatch (db) {
this._db = db
this._operations = []
this._written = false
}
AbstractChainedBatch.prototype._checkWritten = function () {
if (this._written)
throw new Error('write() already called on this batch')
}
AbstractChainedBatch.prototype.put = function (key, value) {
this._checkWritten()
var err = this._db._checkKey(key, 'key', this._db._isBuffer)
if (err)
throw err
if (!this._db._isBuffer(key)) key = String(key)
if (!this._db._isBuffer(value)) value = String(value)
if (typeof this._put == 'function' )
this._put(key, value)
else
this._operations.push({ type: 'put', key: key, value: value })
return this
}
AbstractChainedBatch.prototype.del = function (key) {
this._checkWritten()
var err = this._db._checkKey(key, 'key', this._db._isBuffer)
if (err) throw err
if (!this._db._isBuffer(key)) key = String(key)
if (typeof this._del == 'function' )
this._del(key)
else
this._operations.push({ type: 'del', key: key })
return this
}
AbstractChainedBatch.prototype.clear = function () {
this._checkWritten()
this._operations = []
if (typeof this._clear == 'function' )
this._clear()
return this
}
AbstractChainedBatch.prototype.write = function (options, callback) {
this._checkWritten()
if (typeof options == 'function')
callback = options
if (typeof callback != 'function')
throw new Error('write() requires a callback argument')
if (typeof options != 'object')
options = {}
this._written = true
if (typeof this._write == 'function' )
return this._write(callback)
if (typeof this._db._batch == 'function')
return this._db._batch(this._operations, options, callback)
process.nextTick(callback)
}
module.exports = AbstractChainedBatch
|