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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;
- }
-};