org.mmbase.module.database

Class ConnectionWrapper

java.lang.Object

org.mmbase.module.database.ConnectionWrapper

Direct Known Subclasses:

MultiConnectionImplementation

public abstract class ConnectionWrapper
extends Object

Wraps a java.sql.Connection object. Extending this makes it possible to intercept calls.

Since:

MMBase-1.8

Version:

$Id$

Author:

Michiel Meeuwissen

Field Summary

Fields

Modifier and Type	Field and Description
protected Connection	con The wrapped connection

Constructor Summary

Constructors

Constructor and Description
ConnectionWrapper(Connection c)

Method Summary

Modifier and Type	Method and Description
void	clearWarnings() clear Warnings
void	close()
void	commit()
Array	createArrayOf(String typeName, Object[] elements)
Statement	createStatement()
Statement	createStatement(int resultSetType, int resultSetConcurrency)
Statement	createStatement(int type, int concurrency, int holdability)
Struct	createStruct(String typeName, Object[] attributes)
boolean	getAutoCommit()
String	getCatalog()
Properties	getClientInfo()
String	getClientInfo(String name)
int	getHoldability()
DatabaseMetaData	getMetaData()
int	getTransactionIsolation()
Map<String,Class<?>>	getTypeMap()
SQLWarning	getWarnings()
boolean	isClosed()
boolean	isReadOnly()
boolean	isValid(int i)
boolean	isWrapperFor(Class<?> iface)
String	nativeSQL(String query)
CallableStatement	prepareCall(String sql)
CallableStatement	prepareCall(String sql, int i, int y)
CallableStatement	prepareCall(String sql, int type, int concurrency, int holdability)
PreparedStatement	prepareStatement(String sql)
PreparedStatement	prepareStatement(String sql, int autoGeneratedKeys)
PreparedStatement	prepareStatement(String sql, int[] columnIndexes)
PreparedStatement	prepareStatement(String sql, int i, int y)
PreparedStatement	prepareStatement(String sql, int type, int concurrency, int holdability)
PreparedStatement	prepareStatement(String sql, String[] columnNames)
void	releaseSavepoint(Savepoint savepoint)
void	rollback()
void	rollback(Savepoint savepoint)
void	setAutoCommit(boolean enableAutoCommit)
void	setCatalog(String catalog)
void	setHoldability(int holdability)
protected void	setLastSQL(String sql) Called just before every prepare statement.
void	setReadOnly(boolean readOnly)
Savepoint	setSavepoint()
Savepoint	setSavepoint(String name)
void	setTransactionIsolation(int level)
void	setTypeMap(Map<String,Class<?>> mp)
<T> T	unwrap(Class<T> iface)

Methods inherited from class java.lang.Object

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

Field Detail

con

protected Connection con

The wrapped connection

Constructor Detail

ConnectionWrapper

public ConnectionWrapper(Connection c)

Method Detail

setLastSQL

protected void setLastSQL(String sql)

Called just before every prepare statement. Can be overridden, because this default implementation is empty.

createStatement

public Statement createStatement()
                          throws SQLException

Throws:

SQLException

See Also:

Connection.createStatement()

createStatement

public Statement createStatement(int resultSetType,
                                 int resultSetConcurrency)
                          throws SQLException

Throws:

SQLException

See Also:

Connection.createStatement(int, int)

createStatement

public Statement createStatement(int type,
                                 int concurrency,
                                 int holdability)
                          throws SQLException

Throws:

SQLException

See Also:

Connection.createStatement(int, int, int)

prepareStatement

public PreparedStatement prepareStatement(String sql)
                                   throws SQLException

Throws:

SQLException

See Also:

Connection.prepareStatement(String)

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                          int autoGeneratedKeys)
                                   throws SQLException

Throws:

SQLException

See Also:

Connection.prepareStatement(String, int)

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                          int[] columnIndexes)
                                   throws SQLException

Throws:

SQLException

See Also:

Connection.prepareStatement(String, int[])

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                          String[] columnNames)
                                   throws SQLException

Throws:

SQLException

See Also:

Connection.prepareStatement(String, String[])

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                          int type,
                                          int concurrency,
                                          int holdability)
                                   throws SQLException

Throws:

SQLException

See Also:

Connection.prepareStatement(String, int, int, int)

prepareCall

public CallableStatement prepareCall(String sql)
                              throws SQLException

Throws:

SQLException

See Also:

Connection.prepareCall(String)

nativeSQL

public String nativeSQL(String query)
                 throws SQLException

Throws:

SQLException

See Also:

Connection.nativeSQL(String)

setAutoCommit

public void setAutoCommit(boolean enableAutoCommit)
                   throws SQLException

Throws:

SQLException

See Also:

Connection.setAutoCommit(boolean)

getAutoCommit

public boolean getAutoCommit()
                      throws SQLException

Throws:

SQLException

See Also:

Connection.getAutoCommit()

commit

public void commit()
            throws SQLException

Throws:

SQLException

See Also:

Connection.commit()

rollback

public void rollback()
              throws SQLException

Throws:

SQLException

See Also:

Connection.rollback()

close

public void close()
           throws SQLException

Throws:

SQLException

See Also:

Connection.close()

isClosed

public boolean isClosed()
                 throws SQLException

Throws:

SQLException

See Also:

Connection.isClosed()

getMetaData

public DatabaseMetaData getMetaData()
                             throws SQLException

Throws:

SQLException

See Also:

Connection.getMetaData()

setReadOnly

public void setReadOnly(boolean readOnly)
                 throws SQLException

Throws:

SQLException

See Also:

Connection.setReadOnly(boolean)

isReadOnly

public boolean isReadOnly()
                   throws SQLException

Throws:

SQLException

See Also:

Connection.isReadOnly()

setCatalog

public void setCatalog(String catalog)
                throws SQLException

Throws:

SQLException

See Also:

Connection.setCatalog(String)

getCatalog

public String getCatalog()
                  throws SQLException

Throws:

SQLException

See Also:

Connection.getCatalog()

setTransactionIsolation

public void setTransactionIsolation(int level)
                             throws SQLException

Throws:

SQLException

See Also:

Connection.setTransactionIsolation(int)

getTransactionIsolation

public int getTransactionIsolation()
                            throws SQLException

Throws:

SQLException

See Also:

Connection.getTransactionIsolation()

getWarnings

public SQLWarning getWarnings()
                       throws SQLException

Throws:

SQLException

See Also:

Connection.getWarnings()

clearWarnings

public void clearWarnings()
                   throws SQLException

clear Warnings

Throws:

SQLException

See Also:

Connection.clearWarnings()

prepareCall

public CallableStatement prepareCall(String sql,
                                     int i,
                                     int y)
                              throws SQLException

Throws:

SQLException

See Also:

Connection.prepareCall(String, int, int)

setTypeMap

public void setTypeMap(Map<String,Class<?>> mp)
                throws SQLException

Throws:

SQLException

See Also:

Connection.setTypeMap(Map)

getTypeMap

public Map<String,Class<?>> getTypeMap()
                                throws SQLException

Throws:

SQLException

See Also:

Connection.getTypeMap()

prepareStatement

public PreparedStatement prepareStatement(String sql,
                                          int i,
                                          int y)
                                   throws SQLException

Throws:

SQLException

See Also:

Connection.prepareStatement(String, int, int)

setHoldability

public void setHoldability(int holdability)
                    throws SQLException

Throws:

SQLException

See Also:

Connection.setHoldability(int)

getHoldability

public int getHoldability()
                   throws SQLException

Throws:

SQLException

See Also:

Connection.getHoldability()

setSavepoint

public Savepoint setSavepoint()
                       throws SQLException

Throws:

SQLException

See Also:

Connection.setSavepoint()

setSavepoint

public Savepoint setSavepoint(String name)
                       throws SQLException

Throws:

SQLException

See Also:

Connection.setSavepoint(String)

rollback

public void rollback(Savepoint savepoint)
              throws SQLException

Throws:

SQLException

See Also:

Connection.rollback(Savepoint)

releaseSavepoint

public void releaseSavepoint(Savepoint savepoint)
                      throws SQLException

Throws:

SQLException

See Also:

Connection.releaseSavepoint(Savepoint)

prepareCall

public CallableStatement prepareCall(String sql,
                                     int type,
                                     int concurrency,
                                     int holdability)
                              throws SQLException

Throws:

SQLException

See Also:

Connection.prepareCall(String, int, int, int)

isValid

public boolean isValid(int i)
                throws SQLException

Throws:

SQLException

getClientInfo

public String getClientInfo(String name)
                     throws SQLException

Throws:

SQLException

getClientInfo

public Properties getClientInfo()
                         throws SQLException

Throws:

SQLException

createArrayOf

public Array createArrayOf(String typeName,
                           Object[] elements)
                    throws SQLException

Throws:

SQLException

createStruct

public Struct createStruct(String typeName,
                           Object[] attributes)
                    throws SQLException

Throws:

SQLException

unwrap

public <T> T unwrap(Class<T> iface)

isWrapperFor

public boolean isWrapperFor(Class<?> iface)