elemental.html.IDBIndex Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of gwt-elemental Show documentation
There is a newer version: 2.8.2.vaadin2
/*
 * Copyright 2012 Google Inc.
 * 
 * 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.
 */
package elemental.html;

import elemental.events.*;
import elemental.util.*;
import elemental.dom.*;
import elemental.html.*;
import elemental.css.*;
import elemental.stylesheets.*;

import java.util.Date;

/**
  * The IDBIndex interface of the IndexedDB API provides asynchronous access to an index in a database. An index is a kind of object store for looking up records in another object store, called the referenced object store. You use this interface to retrieve data.
Inherits from: EventTarget
  */
public interface IDBIndex {

  Object getKeyPath();

  boolean isMultiEntry();

  String getName();

  IDBObjectStore getObjectStore();

  boolean isUnique();


  /**
    * Returns an IDBRequest object, and in a separate thread, returns the number of records within a key range. For example, if you want to see how many records are between keys 1000 and 2000 in an object store, you can write the following:  var req = store.count(IDBKeyRange.bound(1000, 2000));
IDBRequest count (
  in optional any key
) raises (IDBDatabaseException);

Parameters
 key
 The key or key range that identifies the record to be counted.
Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise a IDBDatabaseException with the following code:
   Attribute  Description  
 
   DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest count();


  /**
    * Returns an IDBRequest object, and in a separate thread, returns the number of records within a key range. For example, if you want to see how many records are between keys 1000 and 2000 in an object store, you can write the following:  var req = store.count(IDBKeyRange.bound(1000, 2000));
IDBRequest count (
  in optional any key
) raises (IDBDatabaseException);

Parameters
 key
 The key or key range that identifies the record to be counted.
Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise a IDBDatabaseException with the following code:
   Attribute  Description  
 
   DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest count(IDBKeyRange range);


  /**
    * Returns an IDBRequest object, and in a separate thread, returns the number of records within a key range. For example, if you want to see how many records are between keys 1000 and 2000 in an object store, you can write the following:  var req = store.count(IDBKeyRange.bound(1000, 2000));
IDBRequest count (
  in optional any key
) raises (IDBDatabaseException);

Parameters
 key
 The key or key range that identifies the record to be counted.
Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise a IDBDatabaseException with the following code:
   Attribute  Description  
 
   DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest count(Object key);


  /**
    * Returns an IDBRequest object, and, in a separate thread, finds either:
 The value in the referenced object store that corresponds to the given key.
 The first corresponding value, if key is a key range.

If a value is successfully found, then a structured clone of it is created and set as the result of the request object.
Note: This method produces the same result for: a) a record that doesn't exist in the database and b) a record that has an undefined value. To tell these situations apart, call the openCursor() method with the same key. That method provides a cursor if the record exists, and not if it does not.

IDBRequest get (
  in any key
) raises (IDBDatabaseException);

Parameters
 key
 The key or key range that identifies the record to be retrieved.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest get(IDBKeyRange key);

  IDBRequest getObject(Object key);


  /**
    * Returns an IDBRequest object, and, in a separate thread, finds either:
 The value in the index that corresponds to the given key
 The first corresponding value, if key is a key range.

If a value is successfully found, then a structured clone of it is created and set as the result of the request object.
Note: This method produces the same result for: a) a record that doesn't exist in the database and b) a record that has an undefined value. To tell these situations apart, call the openCursor() method with the same key. That method provides a cursor if the record exists, and not if it does not.

IDBRequest getKey (
  in any key
) raises (IDBDatabaseException);

Parameters
 key
 The key or key range that identifies the record to be retrieved.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise a IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest getKey(IDBKeyRange key);


  /**
    * Returns an IDBRequest object, and, in a separate thread, finds either:
 The value in the index that corresponds to the given key
 The first corresponding value, if key is a key range.

If a value is successfully found, then a structured clone of it is created and set as the result of the request object.
Note: This method produces the same result for: a) a record that doesn't exist in the database and b) a record that has an undefined value. To tell these situations apart, call the openCursor() method with the same key. That method provides a cursor if the record exists, and not if it does not.

IDBRequest getKey (
  in any key
) raises (IDBDatabaseException);

Parameters
 key
 The key or key range that identifies the record to be retrieved.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise a IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest getKey(Object key);


  /**
    * Returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range. The method sets the position of the cursor to the appropriate record, based on the specified direction.
 If the key range is not specified or is null, then the range includes all the records.
 If at least one record matches the key range, then a success event is fired on the result object, with its result set to the new IDBCursor object; the value of the cursor object is set to a structured clone of the referenced value.
 If no records match the key range, then then an error event is fired on the request object, with its code set to NOT_FOUND_ERR and a suitable message.

IDBRequest openCursor (
  in optional any? range, 
  in optional unsigned short direction
) raises (IDBDatabaseException);

Parameters
 range
 Optional. The key range to use as the cursor's range.
 direction
 Optional. The cursor's required direction. See IDBCursor Constants for possible values.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest openCursor();


  /**
    * Returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range. The method sets the position of the cursor to the appropriate record, based on the specified direction.
 If the key range is not specified or is null, then the range includes all the records.
 If at least one record matches the key range, then a success event is fired on the result object, with its result set to the new IDBCursor object; the value of the cursor object is set to a structured clone of the referenced value.
 If no records match the key range, then then an error event is fired on the request object, with its code set to NOT_FOUND_ERR and a suitable message.

IDBRequest openCursor (
  in optional any? range, 
  in optional unsigned short direction
) raises (IDBDatabaseException);

Parameters
 range
 Optional. The key range to use as the cursor's range.
 direction
 Optional. The cursor's required direction. See IDBCursor Constants for possible values.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest openCursor(IDBKeyRange range);


  /**
    * Returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range. The method sets the position of the cursor to the appropriate record, based on the specified direction.
 If the key range is not specified or is null, then the range includes all the records.
 If at least one record matches the key range, then a success event is fired on the result object, with its result set to the new IDBCursor object; the value of the cursor object is set to a structured clone of the referenced value.
 If no records match the key range, then then an error event is fired on the request object, with its code set to NOT_FOUND_ERR and a suitable message.

IDBRequest openCursor (
  in optional any? range, 
  in optional unsigned short direction
) raises (IDBDatabaseException);

Parameters
 range
 Optional. The key range to use as the cursor's range.
 direction
 Optional. The cursor's required direction. See IDBCursor Constants for possible values.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest openCursor(IDBKeyRange range, String direction);


  /**
    * Returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range. The method sets the position of the cursor to the appropriate record, based on the specified direction.
 If the key range is not specified or is null, then the range includes all the records.
 If at least one record matches the key range, then a success event is fired on the result object, with its result set to the new IDBCursor object; the value of the cursor object is set to a structured clone of the referenced value.
 If no records match the key range, then then an error event is fired on the request object, with its code set to NOT_FOUND_ERR and a suitable message.

IDBRequest openCursor (
  in optional any? range, 
  in optional unsigned short direction
) raises (IDBDatabaseException);

Parameters
 range
 Optional. The key range to use as the cursor's range.
 direction
 Optional. The cursor's required direction. See IDBCursor Constants for possible values.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest openCursor(Object key);


  /**
    * Returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range. The method sets the position of the cursor to the appropriate record, based on the specified direction.
 If the key range is not specified or is null, then the range includes all the records.
 If at least one record matches the key range, then a success event is fired on the result object, with its result set to the new IDBCursor object; the value of the cursor object is set to a structured clone of the referenced value.
 If no records match the key range, then then an error event is fired on the request object, with its code set to NOT_FOUND_ERR and a suitable message.

IDBRequest openCursor (
  in optional any? range, 
  in optional unsigned short direction
) raises (IDBDatabaseException);

Parameters
 range
 Optional. The key range to use as the cursor's range.
 direction
 Optional. The cursor's required direction. See IDBCursor Constants for possible values.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest openCursor(Object key, String direction);


  /**
    * Returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range. The method sets the position of the cursor to the appropriate record, based on the specified direction.
 If the key range is not specified or is null, then the range includes all the records.
 If at least one record matches the key range, then a success event is fired on the result object, with its result set to the new IDBCursor object; the value of the cursor object is set to a structured clone of the referenced value.
 If no records match the key range, then then an error event is fired on the request object, with its code set to NOT_FOUND_ERR and a suitable message.

IDBRequest openCursor (
  in optional any? range, 
  in optional unsigned short direction
) raises (IDBDatabaseException);

Parameters
 range
 Optional. The key range to use as the cursor's range.
 direction
 Optional. The cursor's required direction. See IDBCursor Constants for possible values.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest openCursor(IDBKeyRange range, int direction);


  /**
    * Returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range. The method sets the position of the cursor to the appropriate record, based on the specified direction.
 If the key range is not specified or is null, then the range includes all the records.
 If at least one record matches the key range, then a success event is fired on the result object, with its result set to the new IDBCursor object; the value of the cursor object is set to a structured clone of the referenced value.
 If no records match the key range, then then an error event is fired on the request object, with its code set to NOT_FOUND_ERR and a suitable message.

IDBRequest openCursor (
  in optional any? range, 
  in optional unsigned short direction
) raises (IDBDatabaseException);

Parameters
 range
 Optional. The key range to use as the cursor's range.
 direction
 Optional. The cursor's required direction. See IDBCursor Constants for possible values.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest openCursor(Object key, int direction);


  /**
    * Returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range, as arranged by this index. The method sets the position of the cursor to the appropriate record, based on the specified direction.
 If the key range is not specified or is null, then the range includes all the records.
 If at least one record matches the key range, then a success event is fired on the result object, with its result set to the new IDBCursor object; the value of the cursor object is set to the value of the found record.
 If no records match the key range, then then an error event is fired on the request object, with its code set to NOT_FOUND_ERR and a suitable message.

IDBRequest openKeyCursor (
  in optional any? range, 
  in optional unsigned short direction
) raises (IDBDatabaseException);

Parameters
 range
 Optional. The key range to use as the cursor's range.
 direction
 Optional. The cursor's required direction. See IDBCursor Constants for possible values.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest openKeyCursor();


  /**
    * Returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range, as arranged by this index. The method sets the position of the cursor to the appropriate record, based on the specified direction.
 If the key range is not specified or is null, then the range includes all the records.
 If at least one record matches the key range, then a success event is fired on the result object, with its result set to the new IDBCursor object; the value of the cursor object is set to the value of the found record.
 If no records match the key range, then then an error event is fired on the request object, with its code set to NOT_FOUND_ERR and a suitable message.

IDBRequest openKeyCursor (
  in optional any? range, 
  in optional unsigned short direction
) raises (IDBDatabaseException);

Parameters
 range
 Optional. The key range to use as the cursor's range.
 direction
 Optional. The cursor's required direction. See IDBCursor Constants for possible values.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest openKeyCursor(IDBKeyRange range);


  /**
    * Returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range, as arranged by this index. The method sets the position of the cursor to the appropriate record, based on the specified direction.
 If the key range is not specified or is null, then the range includes all the records.
 If at least one record matches the key range, then a success event is fired on the result object, with its result set to the new IDBCursor object; the value of the cursor object is set to the value of the found record.
 If no records match the key range, then then an error event is fired on the request object, with its code set to NOT_FOUND_ERR and a suitable message.

IDBRequest openKeyCursor (
  in optional any? range, 
  in optional unsigned short direction
) raises (IDBDatabaseException);

Parameters
 range
 Optional. The key range to use as the cursor's range.
 direction
 Optional. The cursor's required direction. See IDBCursor Constants for possible values.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest openKeyCursor(IDBKeyRange range, String direction);


  /**
    * Returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range, as arranged by this index. The method sets the position of the cursor to the appropriate record, based on the specified direction.
 If the key range is not specified or is null, then the range includes all the records.
 If at least one record matches the key range, then a success event is fired on the result object, with its result set to the new IDBCursor object; the value of the cursor object is set to the value of the found record.
 If no records match the key range, then then an error event is fired on the request object, with its code set to NOT_FOUND_ERR and a suitable message.

IDBRequest openKeyCursor (
  in optional any? range, 
  in optional unsigned short direction
) raises (IDBDatabaseException);

Parameters
 range
 Optional. The key range to use as the cursor's range.
 direction
 Optional. The cursor's required direction. See IDBCursor Constants for possible values.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest openKeyCursor(Object key);


  /**
    * Returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range, as arranged by this index. The method sets the position of the cursor to the appropriate record, based on the specified direction.
 If the key range is not specified or is null, then the range includes all the records.
 If at least one record matches the key range, then a success event is fired on the result object, with its result set to the new IDBCursor object; the value of the cursor object is set to the value of the found record.
 If no records match the key range, then then an error event is fired on the request object, with its code set to NOT_FOUND_ERR and a suitable message.

IDBRequest openKeyCursor (
  in optional any? range, 
  in optional unsigned short direction
) raises (IDBDatabaseException);

Parameters
 range
 Optional. The key range to use as the cursor's range.
 direction
 Optional. The cursor's required direction. See IDBCursor Constants for possible values.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest openKeyCursor(Object key, String direction);


  /**
    * Returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range, as arranged by this index. The method sets the position of the cursor to the appropriate record, based on the specified direction.
 If the key range is not specified or is null, then the range includes all the records.
 If at least one record matches the key range, then a success event is fired on the result object, with its result set to the new IDBCursor object; the value of the cursor object is set to the value of the found record.
 If no records match the key range, then then an error event is fired on the request object, with its code set to NOT_FOUND_ERR and a suitable message.

IDBRequest openKeyCursor (
  in optional any? range, 
  in optional unsigned short direction
) raises (IDBDatabaseException);

Parameters
 range
 Optional. The key range to use as the cursor's range.
 direction
 Optional. The cursor's required direction. See IDBCursor Constants for possible values.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest openKeyCursor(IDBKeyRange range, int direction);


  /**
    * Returns an IDBRequest object, and, in a separate thread, creates a cursor over the specified key range, as arranged by this index. The method sets the position of the cursor to the appropriate record, based on the specified direction.
 If the key range is not specified or is null, then the range includes all the records.
 If at least one record matches the key range, then a success event is fired on the result object, with its result set to the new IDBCursor object; the value of the cursor object is set to the value of the found record.
 If no records match the key range, then then an error event is fired on the request object, with its code set to NOT_FOUND_ERR and a suitable message.

IDBRequest openKeyCursor (
  in optional any? range, 
  in optional unsigned short direction
) raises (IDBDatabaseException);

Parameters
 range
 Optional. The key range to use as the cursor's range.
 direction
 Optional. The cursor's required direction. See IDBCursor Constants for possible values.

Returns
 IDBRequest

 A request object on which subsequent events related to this operation are fired.

Exceptions
This method can raise an IDBDatabaseException with the following code:
   Attribute  Description  
 
   TRANSACTION_INACTIVE_ERR  The index's transaction is not active.  
  DATA_ERR  The key parameter was not a valid value.  
  NOT_ALLOWED_ERR  The request was made on a source object that has been deleted or removed.  
 


    */
  IDBRequest openKeyCursor(Object key, int direction);
}
Attribute	Description
`DATA_ERR`	The `key` parameter was not a valid value.
`NOT_ALLOWED_ERR`	The request was made on a source object that has been deleted or removed.
Attribute	Description
`TRANSACTION_INACTIVE_ERR`	The index's transaction is not active.
`DATA_ERR`	The `key` parameter was not a valid value.
`NOT_ALLOWED_ERR`	The request was made on a source object that has been deleted or removed.