org.mmbase.module.database
Class ConnectionWrapper

java.lang.Object
  org.mmbase.module.database.ConnectionWrapper

All Implemented Interfaces:

Wrapper, MultiConnection

Direct Known Subclasses:

MultiConnectionImplementation

public abstract class ConnectionWrapper
extends Object
implements MultiConnection

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

Since:

MMBase-1.8

Version:

$Id: ConnectionWrapper.java 45322 2011-02-21 10:13:16Z michiel $

Author:

Michiel Meeuwissen

Field Summary

protected Connection

con The wrapped connection

Constructor Summary

ConnectionWrapper(Connection c)

Method Summary

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)
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

Methods inherited from interface org.mmbase.module.database.MultiConnection

checkAfterException, claim, getLastSQL, getParent, getStackTrace, getStartTime, getStartTimeMillis, getStateString, getUsage, realclose, release, resetUsage, wrap

Field Detail

con

protected Connection con

The wrapped connection

Constructor Detail

ConnectionWrapper

public ConnectionWrapper(Connection c)

Method Detail

setLastSQL

public void setLastSQL(String sql)

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

Specified by:

setLastSQL in interface MultiConnection

createStatement

public Statement createStatement()
                          throws SQLException

Specified by:

createStatement in interface MultiConnection

Throws:

SQLException

See Also:

Connection.createStatement()

createStatement

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

Specified by:

createStatement in interface MultiConnection

Throws:

SQLException

See Also:

Connection.createStatement(int, int)

createStatement

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

Specified by:

createStatement in interface MultiConnection

Throws:

SQLException

See Also:

Connection.createStatement(int, int, int)

prepareStatement

public PreparedStatement prepareStatement(String sql)
                                   throws SQLException

Specified by:

prepareStatement in interface MultiConnection

Throws:

SQLException

See Also:

Connection.prepareStatement(String)

prepareStatement

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

Specified by:

prepareStatement in interface MultiConnection

Throws:

SQLException

See Also:

Connection.prepareStatement(String, int)

prepareStatement

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

Specified by:

prepareStatement in interface MultiConnection

Throws:

SQLException

See Also:

Connection.prepareStatement(String, int[])

prepareStatement

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

Specified by:

prepareStatement in interface MultiConnection

Throws:

SQLException

See Also:

Connection.prepareStatement(String, String[])

prepareStatement

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

Specified by:

prepareStatement in interface MultiConnection

Throws:

SQLException

See Also:

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

prepareCall

public CallableStatement prepareCall(String sql)
                              throws SQLException

Specified by:

prepareCall in interface MultiConnection

Throws:

SQLException

See Also:

Connection.prepareCall(String)

nativeSQL

public String nativeSQL(String query)
                 throws SQLException

Specified by:

nativeSQL in interface MultiConnection

Throws:

SQLException

See Also:

Connection.nativeSQL(String)

setAutoCommit

public void setAutoCommit(boolean enableAutoCommit)
                   throws SQLException

Specified by:

setAutoCommit in interface MultiConnection

Throws:

SQLException

See Also:

Connection.setAutoCommit(boolean)

getAutoCommit

public boolean getAutoCommit()
                      throws SQLException

Specified by:

getAutoCommit in interface MultiConnection

Throws:

SQLException

See Also:

Connection.getAutoCommit()

commit

public void commit()
            throws SQLException

Specified by:

commit in interface MultiConnection

Throws:

SQLException

See Also:

Connection.commit()

rollback

public void rollback()
              throws SQLException

Specified by:

rollback in interface MultiConnection

Throws:

SQLException

See Also:

Connection.rollback()

close

public void close()
           throws SQLException

Specified by:

close in interface MultiConnection

Throws:

SQLException

See Also:

Connection.close()

isClosed

public boolean isClosed()
                 throws SQLException

Specified by:

isClosed in interface MultiConnection

Throws:

SQLException

See Also:

Connection.isClosed()

getMetaData

public DatabaseMetaData getMetaData()
                             throws SQLException

Specified by:

getMetaData in interface MultiConnection

Throws:

SQLException

See Also:

Connection.getMetaData()

setReadOnly

public void setReadOnly(boolean readOnly)
                 throws SQLException

Specified by:

setReadOnly in interface MultiConnection

Throws:

SQLException

See Also:

Connection.setReadOnly(boolean)

isReadOnly

public boolean isReadOnly()
                   throws SQLException

Specified by:

isReadOnly in interface MultiConnection

Throws:

SQLException

See Also:

Connection.isReadOnly()

setCatalog

public void setCatalog(String catalog)
                throws SQLException

Specified by:

setCatalog in interface MultiConnection

Throws:

SQLException

See Also:

Connection.setCatalog(String)

getCatalog

public String getCatalog()
                  throws SQLException

Specified by:

getCatalog in interface MultiConnection

Throws:

SQLException

See Also:

Connection.getCatalog()

setTransactionIsolation

public void setTransactionIsolation(int level)
                             throws SQLException

Specified by:

setTransactionIsolation in interface MultiConnection

Throws:

SQLException

See Also:

Connection.setTransactionIsolation(int)

getTransactionIsolation

public int getTransactionIsolation()
                            throws SQLException

Specified by:

getTransactionIsolation in interface MultiConnection

Throws:

SQLException

See Also:

Connection.getTransactionIsolation()

getWarnings

public SQLWarning getWarnings()
                       throws SQLException

Specified by:

getWarnings in interface MultiConnection

Throws:

SQLException

See Also:

Connection.getWarnings()

clearWarnings

public void clearWarnings()
                   throws SQLException

clear Warnings

Specified by:

clearWarnings in interface MultiConnection

Throws:

SQLException

See Also:

Connection.clearWarnings()

prepareCall

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

Specified by:

prepareCall in interface MultiConnection

Throws:

SQLException

See Also:

Connection.prepareCall(String, int, int)

setTypeMap

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

Specified by:

setTypeMap in interface MultiConnection

Throws:

SQLException

See Also:

Connection.setTypeMap(Map)

getTypeMap

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

Specified by:

getTypeMap in interface MultiConnection

Throws:

SQLException

See Also:

Connection.getTypeMap()

prepareStatement

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

Specified by:

prepareStatement in interface MultiConnection

Throws:

SQLException

See Also:

Connection.prepareStatement(String, int, int)

setHoldability

public void setHoldability(int holdability)
                    throws SQLException

Specified by:

setHoldability in interface MultiConnection

Throws:

SQLException

See Also:

Connection.setHoldability(int)

getHoldability

public int getHoldability()
                   throws SQLException

Specified by:

getHoldability in interface MultiConnection

Throws:

SQLException

See Also:

Connection.getHoldability()

setSavepoint

public Savepoint setSavepoint()
                       throws SQLException

Specified by:

setSavepoint in interface MultiConnection

Throws:

SQLException

See Also:

Connection.setSavepoint()

setSavepoint

public Savepoint setSavepoint(String name)
                       throws SQLException

Specified by:

setSavepoint in interface MultiConnection

Throws:

SQLException

See Also:

Connection.setSavepoint(String)

rollback

public void rollback(Savepoint savepoint)
              throws SQLException

Specified by:

rollback in interface MultiConnection

Throws:

SQLException

See Also:

Connection.rollback(Savepoint)

releaseSavepoint

public void releaseSavepoint(Savepoint savepoint)
                      throws SQLException

Specified by:

releaseSavepoint in interface MultiConnection

Throws:

SQLException

See Also:

Connection.releaseSavepoint(Savepoint)

prepareCall

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

Specified by:

prepareCall in interface MultiConnection

Throws:

SQLException

See Also:

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

isValid

public boolean isValid(int i)

getClientInfo

public String getClientInfo(String name)

getClientInfo

public Properties getClientInfo()

createArrayOf

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

createStruct

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

unwrap

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

Specified by:

unwrap in interface Wrapper

isWrapperFor

public boolean isWrapperFor(Class<?> iface)

Specified by:

isWrapperFor in interface Wrapper