goog.db.openDatabase
to set up the connection.
goog.Disposable | |
goog.events.EventTarget | goog.Disposable |
goog.db.IndexedDb | goog.events.EventTarget |
db
: !IDBDatabase
Underlying IndexedDB database object.
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Closes the database connection. Metadata queries can still be made after this
method is called, but otherwise this wrapper should not be used further.
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Creates an object store in this database. Can only be called inside a
goog.db.UpgradeNeededCallback or the callback for the Deferred
returned from #setVersion.
Arguments:
Returns: !goog.db.ObjectStore
The newly created object store.
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Creates a new transaction.
Arguments:
Returns: !goog.db.Transaction
The wrapper for the newly created transaction.
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Deletes an object store. Can only be called inside a
goog.db.UpgradeNeededCallback or the callback for the Deferred
returned from #setVersion.
Arguments:
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Dispatches a wrapped error event based on the given event.
Arguments:
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Dispatches a wrapped version change event based on the given event.
Arguments:
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No description.
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No description.
Returns: string
The name of this database.
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No description.
Returns: DOMStringList
List of object stores in this database.
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No description.
Returns: string
The current database version.
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No description.
Returns: boolean
Whether a connection is open and the database can be used.
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Updates the version of the database and returns a Deferred transaction.
The database's structure can be changed inside this Deferred's callback, but
nowhere else. This means adding or deleting object stores, and adding or
deleting indexes. The version change will not succeed unless there are no
other connections active for this database anywhere. A new database
connection should be opened after the version change is finished to pick
up changes.
This is deprecated, and only supported on Chrome prior to version 25. New
applications should use the version parameter to
goog.db.openDatabase
instead.
Arguments:
Returns: !goog.async.Deferred
The deferred transaction for changing the
version.
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Use
#listen instead, when possible. Otherwise, use
goog.events.listen if you are passing Object
(instead of Function) as handler.
Adds an event listener to the event target. The same handler can only be
added once per the type. Even if you add the same handler multiple times
using the same type then it will only be called once when the event is
dispatched.
Arguments:
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Asserts that the event target instance is initialized properly.
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No description.
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Removes listeners from this object. Classes that extend EventTarget may
need to override this method in order to remove references to DOM Elements
and additional listeners.
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No description.
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No description.
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Returns the parent of this event target to use for bubbling.
Returns: goog.events.EventTarget
The parent EventTarget or null if
there is no parent.
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No description.
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Use
#unlisten instead, when possible. Otherwise, use
goog.events.unlisten if you are passing Object
(instead of Function) as handler.
Removes an event listener from the event target. The handler must be the
same object as the one added. If the handler has not been added then
nothing is done.
Arguments:
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Sets the parent of this event target to use for capture/bubble
mechanism.
Arguments:
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Sets the target to be used for
event.target when firing
event. Mainly used for testing. For example, see
goog.testing.events.mixinListenable .
Arguments:
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No description.
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No description.
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Invokes a callback function when this object is disposed. Callbacks are
invoked in the order in which they were added.
Arguments:
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Disposes of the object. If the object hasn't already been disposed of, calls
#disposeInternal . Classes that extend goog.Disposable should
override #disposeInternal in order to delete references to COM
objects, DOM nodes, and other disposable objects. Reentrant.
Returns: void
Nothing.
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Deletes or nulls out any references to COM objects, DOM nodes, or other
disposable objects. Classes that extend
goog.Disposable should
override this method.
Not reentrant. To avoid calling it twice, it must only be called from the
subclass' disposeInternal method. Everywhere else the public
dispose method must be used.
For example:
mypackage.MyClass = function() { mypackage.MyClass.base(this, 'constructor'); // Constructor logic specific to MyClass. ... }; goog.inherits(mypackage.MyClass, goog.Disposable); mypackage.MyClass.prototype.disposeInternal = function() { // Dispose logic specific to MyClass. ... // Call superclass's disposeInternal at the end of the subclass's, like // in C++, to avoid hard-to-catch issues. mypackage.MyClass.base(this, 'disposeInternal'); }; |
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Use
#isDisposed instead.
No description.
Returns: boolean
Whether the object has been disposed of.
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No description.
Returns: boolean
Whether the object has been disposed of.
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Associates a disposable object with this object so that they will be disposed
together.
Arguments:
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The object to use for event.target. Useful when mixing in an
EventTarget to another object.
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No description.
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Maps of event type to an array of listeners.
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Parent event target, used during event bubbling.
TODO(user): Change this to goog.events.Listenable. This
currently breaks people who expect getParentEventTarget to return
goog.events.EventTarget.
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No description.
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Event types fired by a database.
Constants:
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