com.viaoa.datasource.jdbc.connection

Class OAConnection

java.lang.Object

com.viaoa.datasource.jdbc.connection.OAConnection

public class OAConnection
extends Object

Used to wrap functionality around a java.sql.Connection to offer Statement and PreparedStatement Pooling. Mostly used internally by ConnectionPool.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	bAvailable
protected boolean	bGettingStatement
protected Connection	connection
protected Vector<com.viaoa.datasource.jdbc.connection.OAConnection.Pool>	vecStatement
protected Vector<PreparedStatement>	vecUsedBatchPreparedStatement
protected Vector<PreparedStatement>	vecUsedPreparedStatement

Constructor Summary

Constructors

Constructor and Description
OAConnection(Connection con)

Method Summary

Modifier and Type	Method and Description
protected void	clearOpenBatches()
protected void	executeOpenBatches()
PreparedStatement	getBatchPreparedStatement(String sql) Must be in an OATransaction that has allowBatch=true
Statement	getBatchStatement(String message) Must be in an OATransaction that has allowBatch=true
Connection	getConnection()
protected int	getCurrentlyUsedStatementCount()
void	getInfo(Vector vec)
PreparedStatement	getPreparedStatement(String sql, boolean bHasAutoGenerated)
Statement	getStatement(String message)
int	getTotalPreparedStatements()
int	getTotalUsed()
boolean	isAllowingBatch()
boolean	releasePreparedStatement(PreparedStatement ps, boolean bCanBeReused)
boolean	releaseStatement(Statement statement) returns true if found

Methods inherited from class java.lang.Object

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

Field Detail

connection

protected final Connection connection

vecStatement

protected final Vector<com.viaoa.datasource.jdbc.connection.OAConnection.Pool> vecStatement

vecUsedPreparedStatement

protected final Vector<PreparedStatement> vecUsedPreparedStatement

vecUsedBatchPreparedStatement

protected final Vector<PreparedStatement> vecUsedBatchPreparedStatement

bAvailable

protected volatile boolean bAvailable

bGettingStatement

protected volatile boolean bGettingStatement

Constructor Detail

OAConnection

public OAConnection(Connection con)

Method Detail

isAllowingBatch

public boolean isAllowingBatch()

getConnection

public Connection getConnection()

getBatchStatement

public Statement getBatchStatement(String message)
                            throws SQLException

Must be in an OATransaction that has allowBatch=true

Throws:

SQLException

getStatement

public Statement getStatement(String message)
                       throws SQLException

Throws:

SQLException

releaseStatement

public boolean releaseStatement(Statement statement)

returns true if found

executeOpenBatches

protected void executeOpenBatches()
                           throws SQLException

Throws:

SQLException

clearOpenBatches

protected void clearOpenBatches()
                         throws SQLException

Throws:

SQLException

getBatchPreparedStatement

public PreparedStatement getBatchPreparedStatement(String sql)
                                            throws SQLException

Must be in an OATransaction that has allowBatch=true

Throws:

SQLException

getPreparedStatement

public PreparedStatement getPreparedStatement(String sql,
                                              boolean bHasAutoGenerated)
                                       throws SQLException

Throws:

SQLException

releasePreparedStatement

public boolean releasePreparedStatement(PreparedStatement ps,
                                        boolean bCanBeReused)

getTotalUsed

public int getTotalUsed()

getCurrentlyUsedStatementCount

protected int getCurrentlyUsedStatementCount()

getInfo

public void getInfo(Vector vec)

getTotalPreparedStatements

public int getTotalPreparedStatements()