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org.sqlite.jdbc3.JDBC3Connection Maven / Gradle / Ivy
package org.sqlite.jdbc3;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Savepoint;
import java.sql.Statement;
import java.sql.Struct;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.atomic.AtomicInteger;
import org.sqlite.SQLiteConnection;
import org.sqlite.SQLiteOpenMode;
public abstract class JDBC3Connection
extends SQLiteConnection
{
private final AtomicInteger savePoint = new AtomicInteger(0);
private Map> typeMap;
protected JDBC3Connection(String url, String fileName, Properties prop)
throws SQLException
{
super(url, fileName, prop);
}
/**
* @see java.sql.Connection#getCatalog()
*/
public String getCatalog()
throws SQLException
{
checkOpen();
return null;
}
/**
* @see java.sql.Connection#setCatalog(java.lang.String)
*/
public void setCatalog(String catalog)
throws SQLException
{
checkOpen();
}
/**
* @see java.sql.Connection#getHoldability()
*/
public int getHoldability()
throws SQLException
{
checkOpen();
return ResultSet.CLOSE_CURSORS_AT_COMMIT;
}
/**
* @see java.sql.Connection#setHoldability(int)
*/
public void setHoldability(int h)
throws SQLException
{
checkOpen();
if (h != ResultSet.CLOSE_CURSORS_AT_COMMIT) {
throw new SQLException("SQLite only supports CLOSE_CURSORS_AT_COMMIT");
}
}
/**
* @see java.sql.Connection#getTypeMap()
*/
public Map> getTypeMap()
throws SQLException
{
synchronized (this) {
if (this.typeMap == null) {
this.typeMap = new HashMap>();
}
return this.typeMap;
}
}
/**
* @see java.sql.Connection#setTypeMap(java.util.Map)
*/
public void setTypeMap(Map map)
throws SQLException
{
synchronized (this) {
this.typeMap = map;
}
}
/**
* @see java.sql.Connection#isReadOnly()
*/
public boolean isReadOnly()
throws SQLException
{
return (getDatabase().getConfig().getOpenModeFlags() & SQLiteOpenMode.READONLY.flag) != 0;
}
/**
* @see java.sql.Connection#setReadOnly(boolean)
*/
public void setReadOnly(boolean ro)
throws SQLException
{
// trying to change read-only flag
if (ro != isReadOnly()) {
throw new SQLException(
"Cannot change read-only flag after establishing a connection." +
" Use SQLiteConfig#setReadOnly and SQLiteConfig.createConnection().");
}
}
/**
* @see java.sql.Connection#nativeSQL(java.lang.String)
*/
public String nativeSQL(String sql)
{
return sql;
}
/**
* @see java.sql.Connection#clearWarnings()
*/
public void clearWarnings()
throws SQLException
{
}
/**
* @see java.sql.Connection#getWarnings()
*/
public SQLWarning getWarnings()
throws SQLException
{
return null;
}
/**
* @see java.sql.Connection#createStatement()
*/
public Statement createStatement()
throws SQLException
{
return createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY,
ResultSet.CLOSE_CURSORS_AT_COMMIT);
}
/**
* @see java.sql.Connection#createStatement(int, int)
*/
public Statement createStatement(int rsType, int rsConcurr)
throws SQLException
{
return createStatement(rsType, rsConcurr, ResultSet.CLOSE_CURSORS_AT_COMMIT);
}
/**
* @see java.sql.Connection#createStatement(int, int, int)
*/
public abstract Statement createStatement(int rst, int rsc, int rsh)
throws SQLException;
/**
* @see java.sql.Connection#prepareCall(java.lang.String)
*/
public CallableStatement prepareCall(String sql)
throws SQLException
{
return prepareCall(sql, ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY,
ResultSet.CLOSE_CURSORS_AT_COMMIT);
}
/**
* @see java.sql.Connection#prepareCall(java.lang.String, int, int)
*/
public CallableStatement prepareCall(String sql, int rst, int rsc)
throws SQLException
{
return prepareCall(sql, rst, rsc, ResultSet.CLOSE_CURSORS_AT_COMMIT);
}
/**
* @see java.sql.Connection#prepareCall(java.lang.String, int, int, int)
*/
public CallableStatement prepareCall(String sql, int rst, int rsc, int rsh)
throws SQLException
{
throw new SQLException("SQLite does not support Stored Procedures");
}
/**
* @see java.sql.Connection#prepareStatement(java.lang.String)
*/
public PreparedStatement prepareStatement(String sql)
throws SQLException
{
return prepareStatement(sql, ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
}
/**
* @see java.sql.Connection#prepareStatement(java.lang.String, int)
*/
public PreparedStatement prepareStatement(String sql, int autoC)
throws SQLException
{
return prepareStatement(sql);
}
/**
* @see java.sql.Connection#prepareStatement(java.lang.String, int[])
*/
public PreparedStatement prepareStatement(String sql, int[] colInds)
throws SQLException
{
return prepareStatement(sql);
}
/**
* @see java.sql.Connection#prepareStatement(java.lang.String, java.lang.String[])
*/
public PreparedStatement prepareStatement(String sql, String[] colNames)
throws SQLException
{
return prepareStatement(sql);
}
/**
* @see java.sql.Connection#prepareStatement(java.lang.String, int, int)
*/
public PreparedStatement prepareStatement(String sql, int rst, int rsc)
throws SQLException
{
return prepareStatement(sql, rst, rsc, ResultSet.CLOSE_CURSORS_AT_COMMIT);
}
/**
* @see java.sql.Connection#prepareStatement(java.lang.String, int, int, int)
*/
public abstract PreparedStatement prepareStatement(String sql, int rst, int rsc, int rsh)
throws SQLException;
/**
* @see java.sql.Connection#setSavepoint()
*/
public Savepoint setSavepoint()
throws SQLException
{
checkOpen();
if(getAutoCommit()) {
// when a SAVEPOINT is the outermost savepoint and not
// with a BEGIN...COMMIT then the behavior is the same
// as BEGIN DEFERRED TRANSACTION
// http://www.sqlite.org/lang_savepoint.html
getConnectionConfig().setAutoCommit(false);
}
Savepoint sp = new JDBC3Savepoint(savePoint.incrementAndGet());
getDatabase().exec(String.format("SAVEPOINT %s", sp.getSavepointName()), false);
return sp;
}
/**
* @see java.sql.Connection#setSavepoint(java.lang.String)
*/
public Savepoint setSavepoint(String name)
throws SQLException
{
checkOpen();
if(getAutoCommit()) {
// when a SAVEPOINT is the outermost savepoint and not
// with a BEGIN...COMMIT then the behavior is the same
// as BEGIN DEFERRED TRANSACTION
// http://www.sqlite.org/lang_savepoint.html
getConnectionConfig().setAutoCommit(false);
}
Savepoint sp = new JDBC3Savepoint(savePoint.incrementAndGet(), name);
getDatabase().exec(String.format("SAVEPOINT %s", sp.getSavepointName()), false);
return sp;
}
/**
* @see java.sql.Connection#releaseSavepoint(java.sql.Savepoint)
*/
public void releaseSavepoint(Savepoint savepoint)
throws SQLException
{
checkOpen();
if (getAutoCommit()) {
throw new SQLException("database in auto-commit mode");
}
getDatabase().exec(String.format("RELEASE SAVEPOINT %s", savepoint.getSavepointName()), false);
}
/**
* @see java.sql.Connection#rollback(java.sql.Savepoint)
*/
public void rollback(Savepoint savepoint)
throws SQLException
{
checkOpen();
if (getAutoCommit()) {
throw new SQLException("database in auto-commit mode");
}
getDatabase().exec(String.format("ROLLBACK TO SAVEPOINT %s", savepoint.getSavepointName()), getAutoCommit());
}
// UNUSED FUNCTIONS /////////////////////////////////////////////
public Struct createStruct(String t, Object[] attr)
throws SQLException
{
throw new SQLException("unsupported by SQLite");
}
}
