'use strict';
const Long = require('mongodb-core').BSON.Long;
const MongoError = require('mongodb-core').MongoError;
const toError = require('../utils').toError;
const handleCallback = require('../utils').handleCallback;
const applyRetryableWrites = require('../utils').applyRetryableWrites;
const applyWriteConcern = require('../utils').applyWriteConcern;
const ObjectID = require('mongodb-core').BSON.ObjectID;
const BSON = require('mongodb-core').BSON;
// Error codes
const UNKNOWN_ERROR = 8;
const INVALID_BSON_ERROR = 22;
const WRITE_CONCERN_ERROR = 64;
const MULTIPLE_ERROR = 65;
// Insert types
const INSERT = 1;
const UPDATE = 2;
const REMOVE = 3;
const bson = new BSON([
BSON.Binary,
BSON.Code,
BSON.DBRef,
BSON.Decimal128,
BSON.Double,
BSON.Int32,
BSON.Long,
BSON.Map,
BSON.MaxKey,
BSON.MinKey,
BSON.ObjectId,
BSON.BSONRegExp,
BSON.Symbol,
BSON.Timestamp
]);
/**
* Keeps the state of a unordered batch so we can rewrite the results
* correctly after command execution
* @ignore
*/
class Batch {
constructor(batchType, originalZeroIndex) {
this.originalZeroIndex = originalZeroIndex;
this.currentIndex = 0;
this.originalIndexes = [];
this.batchType = batchType;
this.operations = [];
this.size = 0;
this.sizeBytes = 0;
}
}
/**
* Wraps a legacy operation so we can correctly rewrite it's error
* @ignore
*/
class LegacyOp {
constructor(batchType, operation, index) {
this.batchType = batchType;
this.index = index;
this.operation = operation;
}
}
/**
* Create a new BulkWriteResult instance (INTERNAL TYPE, do not instantiate directly)
*
* @class
* @return {BulkWriteResult} a BulkWriteResult instance
*/
class BulkWriteResult {
constructor(bulkResult) {
this.result = bulkResult;
}
/**
* @return {boolean} ok Did bulk operation correctly execute
*/
get ok() {
return this.result.ok;
}
/**
* @return {number} nInserted number of inserted documents
*/
get nInserted() {
return this.result.nInserted;
}
/**
* @return {number} nUpserted Number of upserted documents
*/
get nUpserted() {
return this.result.nUpserted;
}
/**
* @return {number} nMatched Number of matched documents
*/
get nMatched() {
return this.result.nMatched;
}
/**
* @return {number} nModified Number of documents updated physically on disk
*/
get nModified() {
return this.result.nModified;
}
/**
* @return {number} nRemoved Number of removed documents
*/
get nRemoved() {
return this.result.nRemoved;
}
/**
* Return an array of inserted ids
*
* @return {object[]}
*/
getInsertedIds() {
return this.result.insertedIds;
}
/**
* Return an array of upserted ids
*
* @return {object[]}
*/
getUpsertedIds() {
return this.result.upserted;
}
/**
* Return the upserted id at position x
*
* @param {number} index the number of the upserted id to return, returns undefined if no result for passed in index
* @return {object}
*/
getUpsertedIdAt(index) {
return this.result.upserted[index];
}
/**
* Return raw internal result
*
* @return {object}
*/
getRawResponse() {
return this.result;
}
/**
* Returns true if the bulk operation contains a write error
*
* @return {boolean}
*/
hasWriteErrors() {
return this.result.writeErrors.length> 0;
}
/**
* Returns the number of write errors from the bulk operation
*
* @return {number}
*/
getWriteErrorCount() {
return this.result.writeErrors.length;
}
/**
* Returns a specific write error object
*
* @param {number} index of the write error to return, returns null if there is no result for passed in index
* @return {WriteError}
*/
getWriteErrorAt(index) {
if (index < this.result.writeErrors.length) {
return this.result.writeErrors[index];
}
return null;
}
/**
* Retrieve all write errors
*
* @return {object[]}
*/
getWriteErrors() {
return this.result.writeErrors;
}
/**
* Retrieve lastOp if available
*
* @return {object}
*/
getLastOp() {
return this.result.lastOp;
}
/**
* Retrieve the write concern error if any
*
* @return {WriteConcernError}
*/
getWriteConcernError() {
if (this.result.writeConcernErrors.length === 0) {
return null;
} else if (this.result.writeConcernErrors.length === 1) {
// Return the error
return this.result.writeConcernErrors[0];
} else {
// Combine the errors
let errmsg = '';
for (let i = 0; i < this.result.writeConcernErrors.length; i++) {
const err = this.result.writeConcernErrors[i];
errmsg = errmsg + err.errmsg;
// TODO: Something better
if (i === 0) errmsg = errmsg + ' and ';
}
return new WriteConcernError({ errmsg: errmsg, code: WRITE_CONCERN_ERROR });
}
}
/**
* @return {BulkWriteResult} a BulkWriteResult instance
*/
toJSON() {
return this.result;
}
/**
* @return {string}
*/
toString() {
return `BulkWriteResult(${this.toJSON(this.result)})`;
}
/**
* @return {boolean}
*/
isOk() {
return this.result.ok === 1;
}
}
/**
* Create a new WriteConcernError instance (INTERNAL TYPE, do not instantiate directly)
*
* @class
* @return {WriteConcernError} a WriteConcernError instance
*/
class WriteConcernError {
constructor(err) {
this.err = err;
}
/**
* @return {number} code Write concern error code.
*/
get code() {
return this.err.code;
}
/**
* @return {string} errmsg Write concern error message.
*/
get errmsg() {
return this.err.errmsg;
}
/**
* @return {object}
*/
toJSON() {
return { code: this.err.code, errmsg: this.err.errmsg };
}
/**
* @return {string}
*/
toString() {
return `WriteConcernError(${this.err.errmsg})`;
}
}
/**
* Create a new WriteError instance (INTERNAL TYPE, do not instantiate directly)
*
* @class
* @return {WriteConcernError} a WriteConcernError instance
*/
class WriteError {
constructor(err) {
this.err = err;
}
/**
* @return {number} code Write concern error code.
*/
get code() {
return this.err.code;
}
/**
* @return {number} index Write concern error original bulk operation index.
*/
get index() {
return this.err.index;
}
/**
* @return {string} errmsg Write concern error message.
*/
get errmsg() {
return this.err.errmsg;
}
/**
* Define access methods
* @return {object}
*/
getOperation() {
return this.err.op;
}
/**
* @return {object}
*/
toJSON() {
return { code: this.err.code, index: this.err.index, errmsg: this.err.errmsg, op: this.err.op };
}
/**
* @return {string}
*/
toString() {
return `WriteError(${JSON.stringify(this.toJSON())})`;
}
}
/**
* Merges results into shared data structure
* @ignore
*/
function mergeBatchResults(ordered, batch, bulkResult, err, result) {
// If we have an error set the result to be the err object
if (err) {
result = err;
} else if (result && result.result) {
result = result.result;
} else if (result == null) {
return;
}
// Do we have a top level error stop processing and return
if (result.ok === 0 && bulkResult.ok === 1) {
bulkResult.ok = 0;
const writeError = {
index: 0,
code: result.code || 0,
errmsg: result.message,
op: batch.operations[0]
};
bulkResult.writeErrors.push(new WriteError(writeError));
return;
} else if (result.ok === 0 && bulkResult.ok === 0) {
return;
}
// Deal with opTime if available
if (result.opTime || result.lastOp) {
const opTime = result.lastOp || result.opTime;
let lastOpTS = null;
let lastOpT = null;
// We have a time stamp
if (opTime && opTime._bsontype === 'Timestamp') {
if (bulkResult.lastOp == null) {
bulkResult.lastOp = opTime;
} else if (opTime.greaterThan(bulkResult.lastOp)) {
bulkResult.lastOp = opTime;
}
} else {
// Existing TS
if (bulkResult.lastOp) {
lastOpTS =
typeof bulkResult.lastOp.ts === 'number'
? Long.fromNumber(bulkResult.lastOp.ts)
: bulkResult.lastOp.ts;
lastOpT =
typeof bulkResult.lastOp.t === 'number'
? Long.fromNumber(bulkResult.lastOp.t)
: bulkResult.lastOp.t;
}
// Current OpTime TS
const opTimeTS = typeof opTime.ts === 'number' ? Long.fromNumber(opTime.ts) : opTime.ts;
const opTimeT = typeof opTime.t === 'number' ? Long.fromNumber(opTime.t) : opTime.t;
// Compare the opTime's
if (bulkResult.lastOp == null) {
bulkResult.lastOp = opTime;
} else if (opTimeTS.greaterThan(lastOpTS)) {
bulkResult.lastOp = opTime;
} else if (opTimeTS.equals(lastOpTS)) {
if (opTimeT.greaterThan(lastOpT)) {
bulkResult.lastOp = opTime;
}
}
}
}
// If we have an insert Batch type
if (batch.batchType === INSERT && result.n) {
bulkResult.nInserted = bulkResult.nInserted + result.n;
}
// If we have an insert Batch type
if (batch.batchType === REMOVE && result.n) {
bulkResult.nRemoved = bulkResult.nRemoved + result.n;
}
let nUpserted = 0;
// We have an array of upserted values, we need to rewrite the indexes
if (Array.isArray(result.upserted)) {
nUpserted = result.upserted.length;
for (let i = 0; i < result.upserted.length; i++) {
bulkResult.upserted.push({
index: result.upserted[i].index + batch.originalZeroIndex,
_id: result.upserted[i]._id
});
}
} else if (result.upserted) {
nUpserted = 1;
bulkResult.upserted.push({
index: batch.originalZeroIndex,
_id: result.upserted
});
}
// If we have an update Batch type
if (batch.batchType === UPDATE && result.n) {
const nModified = result.nModified;
bulkResult.nUpserted = bulkResult.nUpserted + nUpserted;
bulkResult.nMatched = bulkResult.nMatched + (result.n - nUpserted);
if (typeof nModified === 'number') {
bulkResult.nModified = bulkResult.nModified + nModified;
} else {
bulkResult.nModified = null;
}
}
if (Array.isArray(result.writeErrors)) {
for (let i = 0; i < result.writeErrors.length; i++) {
const writeError = {
index: batch.originalZeroIndex + result.writeErrors[i].index,
code: result.writeErrors[i].code,
errmsg: result.writeErrors[i].errmsg,
op: batch.operations[result.writeErrors[i].index]
};
bulkResult.writeErrors.push(new WriteError(writeError));
}
}
if (result.writeConcernError) {
bulkResult.writeConcernErrors.push(new WriteConcernError(result.writeConcernError));
}
}
/**
* handles write concern error
*
* @param {object} batch
* @param {object} bulkResult
* @param {boolean} ordered
* @param {WriteConcernError} err
* @param {function} callback
*/
function handleMongoWriteConcernError(batch, bulkResult, ordered, err, callback) {
mergeBatchResults(ordered, batch, bulkResult, null, err.result);
const wrappedWriteConcernError = new WriteConcernError({
errmsg: err.result.writeConcernError.errmsg,
code: err.result.writeConcernError.result
});
return handleCallback(
callback,
new BulkWriteError(toError(wrappedWriteConcernError), new BulkWriteResult(bulkResult)),
null
);
}
/**
* Creates a new BulkWriteError
*
* @class
* @param {Error|string|object} message The error message
* @param {BulkWriteResult} result The result of the bulk write operation
* @return {BulkWriteError} A BulkWriteError instance
* @extends {MongoError}
*/
class BulkWriteError extends MongoError {
constructor(error, result) {
const message = error.err || error.errmsg || error.errMessage || error;
super(message);
Object.assign(this, error);
this.name = 'BulkWriteError';
this.result = result;
}
}
/**
* Handles the find operators for the bulk operations
* @class
*/
class FindOperators {
/**
* @param {OrderedBulkOperation|UnorderedBulkOperation} bulkOperation
*/
constructor(bulkOperation) {
this.s = bulkOperation.s;
}
/**
* Add a single update document to the bulk operation
*
* @method
* @param {object} updateDocument update operations
* @throws {MongoError}
* @return {OrderedBulkOperation|UnordedBulkOperation}
*/
update(updateDocument) {
// Perform upsert
const upsert = typeof this.s.currentOp.upsert === 'boolean' ? this.s.currentOp.upsert : false;
// Establish the update command
const document = {
q: this.s.currentOp.selector,
u: updateDocument,
multi: true,
upsert: upsert
};
// Clear out current Op
this.s.currentOp = null;
return this.s.options.addToOperationsList(this, UPDATE, document);
}
/**
* Add a single update one document to the bulk operation
*
* @method
* @param {object} updateDocument update operations
* @throws {MongoError}
* @return {OrderedBulkOperation|UnordedBulkOperation}
*/
updateOne(updateDocument) {
// Perform upsert
const upsert = typeof this.s.currentOp.upsert === 'boolean' ? this.s.currentOp.upsert : false;
// Establish the update command
const document = {
q: this.s.currentOp.selector,
u: updateDocument,
multi: false,
upsert: upsert
};
// Clear out current Op
this.s.currentOp = null;
return this.s.options.addToOperationsList(this, UPDATE, document);
}
/**
* Add a replace one operation to the bulk operation
*
* @method
* @param {object} updateDocument the new document to replace the existing one with
* @throws {MongoError}
* @return {OrderedBulkOperation|UnorderedBulkOperation}
*/
replaceOne(updateDocument) {
this.updateOne(updateDocument);
}
/**
* Upsert modifier for update bulk operation
*
* @method
* @throws {MongoError}
* @return {FindOperators}
*/
upsert() {
this.s.currentOp.upsert = true;
return this;
}
/**
* Add a delete one operation to the bulk operation
*
* @method
* @throws {MongoError}
* @return {OrderedBulkOperation|UnordedBulkOperation}
*/
deleteOne() {
// Establish the update command
const document = {
q: this.s.currentOp.selector,
limit: 1
};
// Clear out current Op
this.s.currentOp = null;
return this.s.options.addToOperationsList(this, REMOVE, document);
}
/**
* Add a delete operation to the bulk operation
*
* @method
* @throws {MongoError}
* @return {OrderedBulkOperation|UnordedBulkOperation}
*/
delete() {
// Establish the update command
const document = {
q: this.s.currentOp.selector,
limit: 0
};
// Clear out current Op
this.s.currentOp = null;
return this.s.options.addToOperationsList(this, REMOVE, document);
}
/**
* backwards compatability for deleteOne
*/
removeOne() {
return this.deleteOne();
}
/**
* backwards compatability for delete
*/
remove() {
return this.delete();
}
}
/**
* Parent class to OrderedBulkOperation and UnorderedBulkOperation
* @class
*/
class BulkOperationBase {
/**
* Create a new OrderedBulkOperation or UnorderedBulkOperation instance (INTERNAL TYPE, do not instantiate directly)
* @class
* @property {number} length Get the number of operations in the bulk.
* @return {OrderedBulkOperation|UnordedBulkOperation}
*/
constructor(topology, collection, options, isOrdered) {
// determine whether bulkOperation is ordered or unordered
this.isOrdered = isOrdered;
options = options == null ? {} : options;
// TODO Bring from driver information in isMaster
// Get the namespace for the write operations
const namespace = collection.collectionName;
// Used to mark operation as executed
const executed = false;
// Current item
const currentOp = null;
// Handle to the bson serializer, used to calculate running sizes
const bson = topology.bson;
// Set max byte size
const isMaster = topology.lastIsMaster();
const maxBatchSizeBytes =
isMaster && isMaster.maxBsonObjectSize ? isMaster.maxBsonObjectSize : 1024 * 1024 * 16;
const maxWriteBatchSize =
isMaster && isMaster.maxWriteBatchSize ? isMaster.maxWriteBatchSize : 1000;
// Calculates the largest possible size of an Array key, represented as a BSON string
// element. This calculation:
// 1 byte for BSON type
// # of bytes = length of (string representation of (maxWriteBatchSize - 1))
// + 1 bytes for null terminator
const maxKeySize = (maxWriteBatchSize - 1).toString(10).length + 2;
// Final options for retryable writes and write concern
let finalOptions = Object.assign({}, options);
finalOptions = applyRetryableWrites(finalOptions, collection.s.db);
finalOptions = applyWriteConcern(finalOptions, { collection: collection }, options);
const writeConcern = finalOptions.writeConcern;
// Get the promiseLibrary
const promiseLibrary = options.promiseLibrary || Promise;
// Final results
const bulkResult = {
ok: 1,
writeErrors: [],
writeConcernErrors: [],
insertedIds: [],
nInserted: 0,
nUpserted: 0,
nMatched: 0,
nModified: 0,
nRemoved: 0,
upserted: []
};
// Internal state
this.s = {
// Final result
bulkResult: bulkResult,
// Current batch state
currentBatch: null,
currentIndex: 0,
// ordered specific
currentBatchSize: 0,
currentBatchSizeBytes: 0,
// unordered specific
currentInsertBatch: null,
currentUpdateBatch: null,
currentRemoveBatch: null,
batches: [],
// Write concern
writeConcern: writeConcern,
// Max batch size options
maxBatchSizeBytes: maxBatchSizeBytes,
maxWriteBatchSize: maxWriteBatchSize,
maxKeySize,
// Namespace
namespace: namespace,
// BSON
bson: bson,
// Topology
topology: topology,
// Options
options: finalOptions,
// Current operation
currentOp: currentOp,
// Executed
executed: executed,
// Collection
collection: collection,
// Promise Library
promiseLibrary: promiseLibrary,
// Fundamental error
err: null,
// check keys
checkKeys: typeof options.checkKeys === 'boolean' ? options.checkKeys : true
};
// bypass Validation
if (options.bypassDocumentValidation === true) {
this.s.bypassDocumentValidation = true;
}
}
/**
* Add a single insert document to the bulk operation
*
* @param {object} document the document to insert
* @throws {MongoError}
* @return {OrderedBulkOperation|UnorderedBulkOperation}
*/
insert(document) {
if (this.s.collection.s.db.options.forceServerObjectId !== true && document._id == null)
document._id = new ObjectID();
return this.s.options.addToOperationsList(this, INSERT, document);
}
/**
* Initiate a find operation for an update/updateOne/remove/removeOne/replaceOne
*
* @method
* @param {object} selector The selector for the bulk operation.
* @throws {MongoError}
*/
find(selector) {
if (!selector) {
throw toError('Bulk find operation must specify a selector');
}
// Save a current selector
this.s.currentOp = {
selector: selector
};
return new FindOperators(this);
}
/**
* Raw performs the bulk operation
*
* @method
* @param {object} op operation
* @return {OrderedBulkOperation|UnorderedBulkOperation}
*/
raw(op) {
const key = Object.keys(op)[0];
// Set up the force server object id
const forceServerObjectId =
typeof this.s.options.forceServerObjectId === 'boolean'
? this.s.options.forceServerObjectId
: this.s.collection.s.db.options.forceServerObjectId;
// Update operations
if (
(op.updateOne && op.updateOne.q) ||
(op.updateMany && op.updateMany.q) ||
(op.replaceOne && op.replaceOne.q)
) {
op[key].multi = op.updateOne || op.replaceOne ? false : true;
return this.s.options.addToOperationsList(this, UPDATE, op[key]);
}
// Crud spec update format
if (op.updateOne || op.updateMany || op.replaceOne) {
const multi = op.updateOne || op.replaceOne ? false : true;
const operation = {
q: op[key].filter,
u: op[key].update || op[key].replacement,
multi: multi
};
if (this.isOrdered) {
operation.upsert = op[key].upsert ? true : false;
if (op.collation) operation.collation = op.collation;
} else {
if (op[key].upsert) operation.upsert = true;
}
if (op[key].arrayFilters) operation.arrayFilters = op[key].arrayFilters;
return this.s.options.addToOperationsList(this, UPDATE, operation);
}
// Remove operations
if (
op.removeOne ||
op.removeMany ||
(op.deleteOne && op.deleteOne.q) ||
(op.deleteMany && op.deleteMany.q)
) {
op[key].limit = op.removeOne ? 1 : 0;
return this.s.options.addToOperationsList(this, REMOVE, op[key]);
}
// Crud spec delete operations, less efficient
if (op.deleteOne || op.deleteMany) {
const limit = op.deleteOne ? 1 : 0;
const operation = { q: op[key].filter, limit: limit };
if (this.isOrdered) {
if (op.collation) operation.collation = op.collation;
}
return this.s.options.addToOperationsList(this, REMOVE, operation);
}
// Insert operations
if (op.insertOne && op.insertOne.document == null) {
if (forceServerObjectId !== true && op.insertOne._id == null)
op.insertOne._id = new ObjectID();
return this.s.options.addToOperationsList(this, INSERT, op.insertOne);
} else if (op.insertOne && op.insertOne.document) {
if (forceServerObjectId !== true && op.insertOne.document._id == null)
op.insertOne.document._id = new ObjectID();
return this.s.options.addToOperationsList(this, INSERT, op.insertOne.document);
}
if (op.insertMany) {
for (let i = 0; i < op.insertMany.length; i++) {
if (forceServerObjectId !== true && op.insertMany[i]._id == null)
op.insertMany[i]._id = new ObjectID();
this.s.options.addToOperationsList(this, INSERT, op.insertMany[i]);
}
return;
}
// No valid type of operation
throw toError(
'bulkWrite only supports insertOne, insertMany, updateOne, updateMany, removeOne, removeMany, deleteOne, deleteMany'
);
}
/**
* Execute next write command in a chain
*
* @method
* @param {class} bulk either OrderedBulkOperation or UnorderdBulkOperation
* @param {object} writeConcern
* @param {object} options
* @param {function} callback
*/
bulkExecute(_writeConcern, options, callback) {
if (typeof options === 'function') (callback = options), (options = {});
options = options || {};
if (this.s.executed) {
const executedError = toError('batch cannot be re-executed');
return typeof callback === 'function'
? callback(executedError, null)
: this.s.promiseLibrary.reject(executedError);
}
if (typeof _writeConcern === 'function') {
callback = _writeConcern;
} else if (_writeConcern && typeof _writeConcern === 'object') {
this.s.writeConcern = _writeConcern;
}
// If we have current batch
if (this.isOrdered) {
if (this.s.currentBatch) this.s.batches.push(this.s.currentBatch);
} else {
if (this.s.currentInsertBatch) this.s.batches.push(this.s.currentInsertBatch);
if (this.s.currentUpdateBatch) this.s.batches.push(this.s.currentUpdateBatch);
if (this.s.currentRemoveBatch) this.s.batches.push(this.s.currentRemoveBatch);
}
// If we have no operations in the bulk raise an error
if (this.s.batches.length === 0) {
const emptyBatchError = toError('Invalid Operation, no operations specified');
return typeof callback === 'function'
? callback(emptyBatchError, null)
: this.s.promiseLibrary.reject(emptyBatchError);
}
return { options, callback };
}
/**
* Handles final options before executing command
*
* @param {object} config
* @param {object} config.options
* @param {number} config.batch
* @param {function} config.resultHandler
* @param {function} callback
*/
finalOptionsHandler(config, callback) {
const finalOptions = Object.assign({ ordered: this.isOrdered }, config.options);
if (this.s.writeConcern != null) {
finalOptions.writeConcern = this.s.writeConcern;
}
if (finalOptions.bypassDocumentValidation !== true) {
delete finalOptions.bypassDocumentValidation;
}
// Set an operationIf if provided
if (this.operationId) {
config.resultHandler.operationId = this.operationId;
}
// Serialize functions
if (this.s.options.serializeFunctions) {
finalOptions.serializeFunctions = true;
}
// Ignore undefined
if (this.s.options.ignoreUndefined) {
finalOptions.ignoreUndefined = true;
}
// Is the bypassDocumentValidation options specific
if (this.s.bypassDocumentValidation === true) {
finalOptions.bypassDocumentValidation = true;
}
// Is the checkKeys option disabled
if (this.s.checkKeys === false) {
finalOptions.checkKeys = false;
}
if (finalOptions.retryWrites) {
if (config.batch.batchType === UPDATE) {
finalOptions.retryWrites =
finalOptions.retryWrites && !config.batch.operations.some(op => op.multi);
}
if (config.batch.batchType === REMOVE) {
finalOptions.retryWrites =
finalOptions.retryWrites && !config.batch.operations.some(op => op.limit === 0);
}
}
try {
if (config.batch.batchType === INSERT) {
this.s.topology.insert(
this.s.collection.namespace,
config.batch.operations,
finalOptions,
config.resultHandler
);
} else if (config.batch.batchType === UPDATE) {
this.s.topology.update(
this.s.collection.namespace,
config.batch.operations,
finalOptions,
config.resultHandler
);
} else if (config.batch.batchType === REMOVE) {
this.s.topology.remove(
this.s.collection.namespace,
config.batch.operations,
finalOptions,
config.resultHandler
);
}
} catch (err) {
// Force top level error
err.ok = 0;
// Merge top level error and return
handleCallback(
callback,
null,
mergeBatchResults(false, config.batch, this.s.bulkResult, err, null)
);
}
}
/**
* Handles the write error before executing commands
*
* @param {function} callback
* @param {BulkWriteResult} writeResult
* @param {class} self either OrderedBulkOperation or UnorderdBulkOperation
*/
handleWriteError(callback, writeResult) {
if (this.s.bulkResult.writeErrors.length> 0) {
if (this.s.bulkResult.writeErrors.length === 1) {
handleCallback(
callback,
new BulkWriteError(toError(this.s.bulkResult.writeErrors[0]), writeResult),
null
);
return true;
}
handleCallback(
callback,
new BulkWriteError(
toError({
message: 'write operation failed',
code: this.s.bulkResult.writeErrors[0].code,
writeErrors: this.s.bulkResult.writeErrors
}),
writeResult
),
null
);
return true;
} else if (writeResult.getWriteConcernError()) {
handleCallback(
callback,
new BulkWriteError(toError(writeResult.getWriteConcernError()), writeResult),
null
);
return true;
}
}
}
Object.defineProperty(BulkOperationBase.prototype, 'length', {
enumerable: true,
get: function() {
return this.s.currentIndex;
}
});
// Exports symbols
module.exports = {
Batch,
BulkOperationBase,
BulkWriteError,
BulkWriteResult,
bson,
FindOperators,
handleMongoWriteConcernError,
LegacyOp,
mergeBatchResults,
INVALID_BSON_ERROR: INVALID_BSON_ERROR,
MULTIPLE_ERROR: MULTIPLE_ERROR,
UNKNOWN_ERROR: UNKNOWN_ERROR,
WRITE_CONCERN_ERROR: WRITE_CONCERN_ERROR,
INSERT: INSERT,
UPDATE: UPDATE,
REMOVE: REMOVE,
WriteError,
WriteConcernError
};