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// Copyright 2011 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview Error classes for the IndexedDB wrapper.
*
*/
goog.provide('goog.db.Error');
goog.provide('goog.db.Error.ErrorCode');
goog.provide('goog.db.Error.VersionChangeBlockedError');
goog.require('goog.debug.Error');
/**
* A database error. Since the stack trace can be unhelpful in an asynchronous
* context, the error provides a message about where it was produced.
*
* @param {number} code The error code.
* @param {string} context A description of where the error occured.
* @param {string=} opt_message Additional message.
* @constructor
* @extends {goog.debug.Error}
*/
goog.db.Error = function(code, context, opt_message) {
var msg = 'Error ' + context + ': ' + goog.db.Error.getMessage(code);
if (opt_message) {
msg += ', ' + opt_message;
}
goog.base(this, msg);
/**
* The code for this error.
*
* @type {number}
*/
this.code = code;
};
goog.inherits(goog.db.Error, goog.debug.Error);
/**
* A specific kind of database error. If a Version Change is unable to proceed
* due to other open database connections, it will block and this error will be
* thrown.
*
* @constructor
* @extends {goog.debug.Error}
*/
goog.db.Error.VersionChangeBlockedError = function() {
goog.base(this, 'Version change blocked');
};
goog.inherits(goog.db.Error.VersionChangeBlockedError, goog.debug.Error);
/**
* Synthetic error codes for database errors, for use when IndexedDB
* support is not available. This numbering differs in practice
* from the browser implementations, but it is not meant to be reliable:
* this object merely ensures that goog.db.Error is loadable on platforms
* that do not support IndexedDB.
*
* @enum {number}
* @private
*/
goog.db.Error.DatabaseErrorCode_ = {
UNKNOWN_ERR: 1,
NON_TRANSIENT_ERR: 2,
NOT_FOUND_ERR: 3,
CONSTRAINT_ERR: 4,
DATA_ERR: 5,
NOT_ALLOWED_ERR: 6,
TRANSACTION_INACTIVE_ERR: 7,
ABORT_ERR: 8,
READ_ONLY_ERR: 9,
TRANSIENT_ERR: 11,
TIMEOUT_ERR: 10,
QUOTA_ERR: 11,
INVALID_ACCESS_ERR: 12
};
/**
* Error codes for database errors.
* @see http://www.w3.org/TR/IndexedDB/#idl-def-IDBDatabaseException
*
* @enum {number}
*/
goog.db.Error.ErrorCode = {
UNKNOWN_ERR: (goog.global.IDBDatabaseException ||
goog.global.webkitIDBDatabaseException ||
goog.db.Error.DatabaseErrorCode_).UNKNOWN_ERR,
NON_TRANSIENT_ERR: (goog.global.IDBDatabaseException ||
goog.global.webkitIDBDatabaseException ||
goog.db.Error.DatabaseErrorCode_).NON_TRANSIENT_ERR,
NOT_FOUND_ERR: (goog.global.IDBDatabaseException ||
goog.global.webkitIDBDatabaseException ||
goog.db.Error.DatabaseErrorCode_).NOT_FOUND_ERR,
CONSTRAINT_ERR: (goog.global.IDBDatabaseException ||
goog.global.webkitIDBDatabaseException ||
goog.db.Error.DatabaseErrorCode_).CONSTRAINT_ERR,
DATA_ERR: (goog.global.IDBDatabaseException ||
goog.global.webkitIDBDatabaseException ||
goog.db.Error.DatabaseErrorCode_).DATA_ERR,
NOT_ALLOWED_ERR: (goog.global.IDBDatabaseException ||
goog.global.webkitIDBDatabaseException ||
goog.db.Error.DatabaseErrorCode_).NOT_ALLOWED_ERR,
TRANSACTION_INACTIVE_ERR: (goog.global.IDBDatabaseException ||
goog.global.webkitIDBDatabaseException ||
goog.db.Error.DatabaseErrorCode_).TRANSACTION_INACTIVE_ERR,
ABORT_ERR: (goog.global.IDBDatabaseException ||
goog.global.webkitIDBDatabaseException ||
goog.db.Error.DatabaseErrorCode_).ABORT_ERR,
READ_ONLY_ERR: (goog.global.IDBDatabaseException ||
goog.global.webkitIDBDatabaseException ||
goog.db.Error.DatabaseErrorCode_).READ_ONLY_ERR,
TIMEOUT_ERR: (goog.global.IDBDatabaseException ||
goog.global.webkitIDBDatabaseException ||
goog.db.Error.DatabaseErrorCode_).TIMEOUT_ERR,
QUOTA_ERR: (goog.global.IDBDatabaseException ||
goog.global.webkitIDBDatabaseException ||
goog.db.Error.DatabaseErrorCode_).QUOTA_ERR,
INVALID_ACCESS_ERR: (goog.global.DOMException ||
goog.db.Error.DatabaseErrorCode_).INVALID_ACCESS_ERR
};
/**
* Translates an error code into a more useful message.
*
* @param {number} code Error code.
* @return {string} A debug message.
*/
goog.db.Error.getMessage = function(code) {
switch (code) {
case goog.db.Error.ErrorCode.UNKNOWN_ERR:
return 'Unknown error';
case goog.db.Error.ErrorCode.NON_TRANSIENT_ERR:
return 'Invalid operation';
case goog.db.Error.ErrorCode.NOT_FOUND_ERR:
return 'Required database object not found';
case goog.db.Error.ErrorCode.CONSTRAINT_ERR:
return 'Constraint unsatisfied';
case goog.db.Error.ErrorCode.DATA_ERR:
return 'Invalid data';
case goog.db.Error.ErrorCode.NOT_ALLOWED_ERR:
return 'Operation disallowed';
case goog.db.Error.ErrorCode.TRANSACTION_INACTIVE_ERR:
return 'Transaction not active';
case goog.db.Error.ErrorCode.ABORT_ERR:
return 'Request aborted';
case goog.db.Error.ErrorCode.READ_ONLY_ERR:
return 'Modifying operation not allowed in a read-only transaction';
case goog.db.Error.ErrorCode.TIMEOUT_ERR:
return 'Transaction timed out';
case goog.db.Error.ErrorCode.QUOTA_ERR:
return 'Database storage space quota exceeded';
case goog.db.Error.ErrorCode.INVALID_ACCESS_ERR:
return 'Invalid operation';
default:
return 'Unrecognized exception with code ' + code;
}
};
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