Package org.ametys.plugins.core.impl.user.directory

Class JdbcUserDirectory.AbstractJdbcQueryExecutor<T>

java.lang.Object

org.ametys.plugins.core.impl.user.directory.JdbcUserDirectory.AbstractJdbcQueryExecutor<T>

Type Parameters:

T - The type of the queried object

Direct Known Subclasses:

JdbcUserDirectory.SelectUserJdbcQueryExecutor, JdbcUserDirectory.SelectUsersJdbcQueryExecutor

Enclosing class:

JdbcUserDirectory

protected abstract class JdbcUserDirectory.AbstractJdbcQueryExecutor<T>
extends Object

An internal query executor.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractJdbcQueryExecutor()

Method Summary

Modifier and Type	Method	Description
protected ResultSet	executeQuery(PreparedStatement stmt)	Execute the prepared statement and retrieves the result set.
protected abstract String	getSqlQuery(Connection connection)	Must return the SQL query to execute
protected PreparedStatement	prepareStatement(Connection connection, String sql)	Prepare the statement to execute
protected T	processResultSet(ResultSet rs)	Process the result set
T	run()	Main function, run the query process.
T	runWithException()	Main function, run the query process.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractJdbcQueryExecutor

protected AbstractJdbcQueryExecutor()

Method Detail

run

public T run()

Main function, run the query process. Will not throw exception. Use runWithException to catch non SQL exception thrown by processResultSet(ResultSet)

Returns:

The queried object or null

runWithException

public T runWithException()
                   throws Exception

Main function, run the query process.

Returns:

The queried object or null

Throws:

Exception - All non SQLException will be thrown

getSqlQuery

protected abstract String getSqlQuery(Connection connection)

Must return the SQL query to execute

Parameters:

connection - The pool connection

Returns:

The SQL query

prepareStatement

protected PreparedStatement prepareStatement(Connection connection,
                                             String sql)
                                      throws SQLException

Prepare the statement to execute

Parameters:

connection - The pool connection

sql - The SQL query

Returns:

The prepared statement, ready to be executed

Throws:

SQLException - If an SQL Exception occurs

executeQuery

protected ResultSet executeQuery(PreparedStatement stmt)
                          throws SQLException

Execute the prepared statement and retrieves the result set.

Parameters:

stmt - The prepared statement

Returns:

The result set

Throws:

SQLException - If an SQL Exception occurs

processResultSet

protected T processResultSet(ResultSet rs)
                      throws SQLException,
                             Exception

Process the result set

Parameters:

rs - The result set

Returns:

The queried object or null

Throws:

SQLException - If an SQL exception occurs

Exception - Other exception will be thrown when using runWithException()