elemental.html.IDBIndex Maven / Gradle / Ivy
/*
* 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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);
}