387 lines
8.9 KiB
Java
387 lines
8.9 KiB
Java
/*
|
|
Copyright (C) 2009, 2011 Volker Berlin (i-net software)
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it
|
|
freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not
|
|
claim that you wrote the original software. If you use this software
|
|
in a product, an acknowledgment in the product documentation would be
|
|
appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be
|
|
misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
|
|
Jeroen Frijters
|
|
jeroen@frijters.net
|
|
|
|
*/
|
|
package sun.jdbc.odbc;
|
|
|
|
import java.sql.*;
|
|
|
|
import cli.System.Data.*;
|
|
import cli.System.Data.Common.*;
|
|
import cli.System.Data.Odbc.*;
|
|
|
|
/**
|
|
* This JDBC Driver is a wrapper to the ODBC.NET Data Provider.
|
|
*/
|
|
public class JdbcOdbcStatement implements Statement{
|
|
|
|
private final JdbcOdbcConnection jdbcConn;
|
|
|
|
protected final OdbcCommand command;
|
|
|
|
private final int resultSetType;
|
|
|
|
private final int resultSetConcurrency;
|
|
|
|
private DbDataReader reader;
|
|
|
|
private ResultSet rs;
|
|
|
|
private int updateCount;
|
|
|
|
private boolean isClosed;
|
|
|
|
private ResultSet moreResults;
|
|
|
|
public JdbcOdbcStatement(JdbcOdbcConnection jdbcConn, OdbcCommand command, int resultSetType, int resultSetConcurrency){
|
|
this.jdbcConn = jdbcConn;
|
|
this.command = command;
|
|
this.resultSetType = resultSetType;
|
|
this.resultSetConcurrency = resultSetConcurrency;
|
|
}
|
|
|
|
|
|
public void addBatch(String sql) throws SQLException{
|
|
// TODO Auto-generated method stub
|
|
|
|
}
|
|
|
|
|
|
public void cancel() throws SQLException{
|
|
try{
|
|
command.Cancel();
|
|
}catch(Throwable ex){
|
|
throw JdbcOdbcUtils.createSQLException(ex);
|
|
}
|
|
}
|
|
|
|
|
|
public void clearBatch() throws SQLException{
|
|
// TODO Auto-generated method stub
|
|
|
|
}
|
|
|
|
|
|
public void clearWarnings() throws SQLException{
|
|
// TODO Auto-generated method stub
|
|
|
|
}
|
|
|
|
|
|
public void close() throws SQLException{
|
|
isClosed = true;
|
|
if(rs != null){
|
|
rs.close();
|
|
}
|
|
if(reader != null){
|
|
reader.Close();
|
|
}
|
|
command.Dispose();
|
|
}
|
|
|
|
|
|
public boolean execute(String sql) throws SQLException{
|
|
try{
|
|
if(sql != null){
|
|
command.set_CommandText(sql);
|
|
}
|
|
command.ExecuteNonQuery();
|
|
return false;
|
|
}catch(Throwable ex){
|
|
throw JdbcOdbcUtils.createSQLException(ex);
|
|
}
|
|
}
|
|
|
|
|
|
public boolean execute(String sql, int autoGeneratedKeys){
|
|
throw new UnsupportedOperationException();
|
|
}
|
|
|
|
|
|
public boolean execute(String sql, int[] columnIndexes){
|
|
throw new UnsupportedOperationException();
|
|
}
|
|
|
|
|
|
public boolean execute(String sql, String[] columnNames){
|
|
throw new UnsupportedOperationException();
|
|
}
|
|
|
|
|
|
public int[] executeBatch() throws SQLException{
|
|
// TODO Auto-generated method stub
|
|
return null;
|
|
}
|
|
|
|
|
|
public ResultSet executeQuery(String sql) throws SQLException{
|
|
try{
|
|
if(sql != null){
|
|
command.set_CommandText(sql);
|
|
}
|
|
if(resultSetConcurrency == ResultSet.CONCUR_UPDATABLE){
|
|
rs = new JdbcOdbcUpdateableResultSet(command);
|
|
}else{
|
|
if(resultSetType == ResultSet.TYPE_FORWARD_ONLY){
|
|
reader = command.ExecuteReader();
|
|
rs = new JdbcOdbcResultSet(this, reader);
|
|
}else{
|
|
OdbcDataAdapter da = new OdbcDataAdapter(command);
|
|
DataTable dt = new DataTable();
|
|
da.Fill(dt);
|
|
rs = new JdbcOdbcDTResultSet(dt);
|
|
}
|
|
}
|
|
return rs;
|
|
}catch(Throwable ex){
|
|
throw JdbcOdbcUtils.createSQLException(ex);
|
|
}
|
|
}
|
|
|
|
|
|
public int executeUpdate(String sql) throws SQLException{
|
|
try{
|
|
if(sql != null){
|
|
command.set_CommandText(sql);
|
|
}
|
|
updateCount = command.ExecuteNonQuery();
|
|
return updateCount;
|
|
}catch(Throwable ex){
|
|
throw JdbcOdbcUtils.createSQLException(ex);
|
|
}
|
|
}
|
|
|
|
|
|
public int executeUpdate(String sql, int autoGeneratedKeys){
|
|
throw new UnsupportedOperationException();
|
|
}
|
|
|
|
|
|
public int executeUpdate(String sql, int[] columnIndexes){
|
|
throw new UnsupportedOperationException();
|
|
}
|
|
|
|
|
|
public int executeUpdate(String sql, String[] columnNames){
|
|
throw new UnsupportedOperationException();
|
|
}
|
|
|
|
|
|
public Connection getConnection(){
|
|
return jdbcConn;
|
|
}
|
|
|
|
|
|
public int getFetchDirection(){
|
|
return ResultSet.FETCH_UNKNOWN;
|
|
}
|
|
|
|
|
|
public int getFetchSize(){
|
|
return 0;
|
|
}
|
|
|
|
|
|
public ResultSet getGeneratedKeys(){
|
|
throw new UnsupportedOperationException();
|
|
}
|
|
|
|
|
|
public int getMaxFieldSize() throws SQLException{
|
|
// TODO Auto-generated method stub
|
|
return 0;
|
|
}
|
|
|
|
|
|
public int getMaxRows() throws SQLException{
|
|
// TODO Auto-generated method stub
|
|
return 0;
|
|
}
|
|
|
|
|
|
public boolean getMoreResults() throws SQLException{
|
|
try{
|
|
if(moreResults != null){
|
|
rs = moreResults;
|
|
moreResults = null;
|
|
return true;
|
|
}
|
|
boolean isNext = reader.NextResult();
|
|
if(isNext){
|
|
rs = new JdbcOdbcResultSet(this, reader);
|
|
return true;
|
|
}
|
|
rs = null;
|
|
return false;
|
|
}catch(Throwable th){
|
|
throw JdbcOdbcUtils.createSQLException(th);
|
|
}
|
|
}
|
|
|
|
|
|
public boolean getMoreResults(int current) throws SQLException{
|
|
// TODO Auto-generated method stub
|
|
return false;
|
|
}
|
|
|
|
|
|
public int getQueryTimeout(){
|
|
return command.get_CommandTimeout();
|
|
}
|
|
|
|
|
|
public ResultSet getResultSet(){
|
|
return rs;
|
|
}
|
|
|
|
|
|
public int getResultSetConcurrency(){
|
|
return resultSetConcurrency;
|
|
}
|
|
|
|
|
|
public int getResultSetHoldability() throws SQLException{
|
|
// TODO Auto-generated method stub
|
|
return 0;
|
|
}
|
|
|
|
|
|
public int getResultSetType(){
|
|
return resultSetType;
|
|
}
|
|
|
|
|
|
public int getUpdateCount(){
|
|
return updateCount;
|
|
}
|
|
|
|
|
|
public SQLWarning getWarnings() throws SQLException{
|
|
// TODO Auto-generated method stub
|
|
return null;
|
|
}
|
|
|
|
|
|
public boolean isClosed(){
|
|
return isClosed;
|
|
}
|
|
|
|
|
|
public void setCursorName(String name) throws SQLException{
|
|
// TODO Auto-generated method stub
|
|
|
|
}
|
|
|
|
|
|
public void setEscapeProcessing(boolean enable) throws SQLException{
|
|
// TODO Auto-generated method stub
|
|
|
|
}
|
|
|
|
|
|
public void setFetchDirection(int direction){
|
|
// ignore it
|
|
}
|
|
|
|
|
|
public void setFetchSize(int rows){
|
|
// ignore it
|
|
}
|
|
|
|
|
|
public void setMaxFieldSize(int max) throws SQLException{
|
|
// TODO Auto-generated method stub
|
|
|
|
}
|
|
|
|
|
|
public void setMaxRows(int max) throws SQLException{
|
|
// TODO Auto-generated method stub
|
|
|
|
}
|
|
|
|
|
|
public boolean isPoolable(){
|
|
return false;
|
|
}
|
|
|
|
|
|
public void setPoolable(boolean poolable) throws SQLException{
|
|
// ignore it
|
|
}
|
|
|
|
|
|
public void setQueryTimeout(int seconds){
|
|
command.set_CommandTimeout(seconds);
|
|
}
|
|
|
|
|
|
public boolean isWrapperFor(Class<?> iface){
|
|
return iface.isAssignableFrom(this.getClass());
|
|
}
|
|
|
|
|
|
public <T>T unwrap(Class<T> iface) throws SQLException{
|
|
if(isWrapperFor(iface)){
|
|
return (T)this;
|
|
}
|
|
throw new SQLException(this.getClass().getName() + " does not implements " + iface.getName() + ".", "01000");
|
|
}
|
|
|
|
/**
|
|
* Close the DbDataReader if there are no more results.
|
|
* This give some blocking free without calling close() explicit.
|
|
* If there are more results then we need to save it.
|
|
*/
|
|
void closeReaderIfPossible(){
|
|
ResultSet currentRs = rs;
|
|
boolean isMoreResults;
|
|
try{
|
|
isMoreResults = getMoreResults();
|
|
}catch(SQLException ex){
|
|
isMoreResults = false;
|
|
}
|
|
if(!isMoreResults){
|
|
reader.Close(); //this give the ODBC cursor free
|
|
}else{
|
|
moreResults = rs;
|
|
}
|
|
rs = currentRs;
|
|
}
|
|
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
public void closeOnCompletion() throws SQLException {
|
|
}
|
|
|
|
|
|
/**
|
|
* {@inheritDoc}
|
|
*/
|
|
public boolean isCloseOnCompletion() throws SQLException {
|
|
return false;
|
|
}
|
|
|
|
}
|