org.grouplens.lenskit.data.sql

Class CachedPreparedStatement

java.lang.Object

org.grouplens.lenskit.data.sql.CachedPreparedStatement

All Implemented Interfaces:

Closeable, AutoCloseable, Callable<PreparedStatement>

public class CachedPreparedStatement
extends Object
implements Callable<PreparedStatement>, Closeable

A simple object that wraps a lazy initialized PreparedStatement.

Constructor Summary

Constructors

Constructor and Description
CachedPreparedStatement(Connection dbc, String sql) Create a new cached prepared statement.

Method Summary

Modifier and Type	Method and Description
PreparedStatement	call() Get the prepared statement, creating one if necessary.
void	close() Close the prepared statement.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CachedPreparedStatement

public CachedPreparedStatement(Connection dbc,
                               String sql)

Create a new cached prepared statement.

Parameters:

dbc - The database connection.

sql - The SQL string.

Method Detail

call

public PreparedStatement call()
                       throws SQLException

Get the prepared statement, creating one if necessary.

Specified by:

call in interface Callable<PreparedStatement>

Returns:

The prepared statement.

Throws:

SQLException - if there is an error preparing the statement.

close

public void close()
           throws IOException

Close the prepared statement.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException - if there is an error closing the statement.