org.geotools.jdbc

Interface JDBCReaderCallback

public interface JDBCReaderCallback

Callback for JDBCFeatureReader.

Field Summary

Fields

Modifier and Type	Field and Description
static JDBCReaderCallback	NULL Null callback.

Method Summary

Modifier and Type	Method and Description
default void	afterNext(ResultSet rs, boolean hasMore) Called after the reader makes a call to ResultSet.next().
default void	afterQuery(Statement st) Called directly after the reader makes it's initial query to the database.
default void	beforeNext(ResultSet rs) Called before the reader makes a call to ResultSet.next().
default void	beforeQuery(Statement st) Called directly before the reader makes it's initial query to the database.
default void	finish(JDBCFeatureReader reader) Called after the last row from the reader ResultSet is read.
default void	init(JDBCFeatureReader reader) Called when the reader is created.
default void	queryError(Exception e) Called when an error occurs making the initial query to the database.
default void	rowError(Exception e) Called when an error occurs fetching the next row in the result set.

Field Detail

NULL

static final JDBCReaderCallback NULL

Null callback.

Method Detail

init

default void init(JDBCFeatureReader reader)

Called when the reader is created.

Parameters:

reader - The feature reader.

beforeQuery

default void beforeQuery(Statement st)

Called directly before the reader makes it's initial query to the database.

Parameters:

st - The query statement being executed.

afterQuery

default void afterQuery(Statement st)

Called directly after the reader makes it's initial query to the database.

Parameters:

st - The query statement that was executed.

queryError

default void queryError(Exception e)

Called when an error occurs making the initial query to the database.

beforeNext

default void beforeNext(ResultSet rs)

Called before the reader makes a call to ResultSet.next().

Parameters:

rs - The result set.

afterNext

default void afterNext(ResultSet rs,
                       boolean hasMore)

Called after the reader makes a call to ResultSet.next().

Parameters:

rs - The result set.

hasMore - Whether or not any more rows exist in the ResultSet

rowError

default void rowError(Exception e)

Called when an error occurs fetching the next row in the result set.

Parameters:

e - The error thrown.

finish

default void finish(JDBCFeatureReader reader)

Called after the last row from the reader ResultSet is read.

Parameters:

reader - The feature reader.