Package com.j_spaces.jdbc.driver

Class GStatement

java.lang.Object

com.j_spaces.jdbc.driver.GStatement

All Implemented Interfaces:

AutoCloseable, Statement, Wrapper

Direct Known Subclasses:

GPreparedStatement

public class GStatement
extends Object
implements Statement

The Statement implementation using a GConnection and a GResultSet

Author:

Michael Mitrani, 2Train4

Field Summary

Fields

Modifier and Type	Field	Description
protected List<String>	_queriesBatch
protected final GConnection	connection
static final String	IGNORE_UNSUPPORTED_OPTIONS_PROP
protected boolean	ignoreUnsupportedOptions
protected ResponsePacket	packet
protected ResultSet	resultSet
protected int	updateCount

Fields inherited from interface java.sql.Statement

CLOSE_ALL_RESULTS, CLOSE_CURRENT_RESULT, EXECUTE_FAILED, KEEP_CURRENT_RESULT, NO_GENERATED_KEYS, RETURN_GENERATED_KEYS, SUCCESS_NO_INFO

Constructor Summary

Constructors

Constructor	Description
GStatement(GConnection connection)

Method Summary

Modifier and Type	Method	Description
void	addBatch(String sql)
protected void	buildResultSet(ResponsePacket response)
void	cancel()
void	clearBatch()
void	clearWarnings()
void	close()	This statement is not connected to the QueryProcessor, only the GConnection is.
void	closeOnCompletion()
boolean	execute(String sql)
boolean	execute(String sql, int autoGeneratedKeys)
boolean	execute(String sql, int[] columnIndexes)
boolean	execute(String sql, String[] columnNames)
int[]	executeBatch()
protected boolean	executePacket()
ResultSet	executeQuery(String sql)
int	executeUpdate(String sql)	Execute non-select queries
int	executeUpdate(String sql, int autoGeneratedKeys)
int	executeUpdate(String sql, int[] columnIndexes)
int	executeUpdate(String sql, String[] columnNames)
Connection	getConnection()
int	getFetchDirection()	Only ResultSet.FETCH_FORWARD is supported
int	getFetchSize()	this is just a hint method, so pay no attention to the returned value
ResultSet	getGeneratedKeys()
int	getMaxFieldSize()	Max field size.
int	getMaxRows()	Returns the max rows allowed
boolean	getMoreResults()
boolean	getMoreResults(int current)
int	getQueryTimeout()	No limit here.
ResultSet	getResultSet()
int	getResultSetConcurrency()	This statement will always return a read only ResultSet
int	getResultSetHoldability()
int	getResultSetType()
int	getUpdateCount()
SQLWarning	getWarnings()	No warnings are kept in this implementation which means it will always return null.
boolean	isClosed()
boolean	isCloseOnCompletion()
boolean	isPoolable()
boolean	isWrapperFor(Class<?> iface)
void	setCursorName(String name)
void	setEscapeProcessing(boolean enable)
void	setFetchDirection(int direction)
void	setFetchSize(int rows)
void	setMaxFieldSize(int max)	Currently there shouldn't be any size limit.
void	setMaxRows(int max)	Currently there shouldn't be any limit.
void	setPoolable(boolean poolable)
void	setQueryTimeout(int seconds)	Timeout is ignored.
<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 java.sql.Statement

enquoteIdentifier, enquoteLiteral, enquoteNCharLiteral, executeLargeBatch, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, getLargeMaxRows, getLargeUpdateCount, isSimpleIdentifier, setLargeMaxRows

Field Details

connection

protected final GConnection connection

updateCount

protected int updateCount

resultSet

protected ResultSet resultSet

_queriesBatch

protected List<String> _queriesBatch

ignoreUnsupportedOptions

protected boolean ignoreUnsupportedOptions

packet

protected ResponsePacket packet

IGNORE_UNSUPPORTED_OPTIONS_PROP

public static final String IGNORE_UNSUPPORTED_OPTIONS_PROP

See Also:

• Constant Field Values

Constructor Details

GStatement

public GStatement(GConnection connection)

Method Details

getFetchDirection

public int getFetchDirection()
                      throws SQLException

Only ResultSet.FETCH_FORWARD is supported

Specified by:

getFetchDirection in interface Statement

Throws:

SQLException

See Also:

• Statement.getFetchDirection()

getFetchSize

public int getFetchSize()
                 throws SQLException

this is just a hint method, so pay no attention to the returned value

Specified by:

getFetchSize in interface Statement

Throws:

SQLException

See Also:

• Statement.getFetchSize()

getMaxFieldSize

public int getMaxFieldSize()
                    throws SQLException

Max field size. No limit in this case.

Specified by:

getMaxFieldSize in interface Statement

Throws:

SQLException

See Also:

• Statement.getMaxFieldSize()

getMaxRows

public int getMaxRows()
               throws SQLException

Returns the max rows allowed

Specified by:

getMaxRows in interface Statement

Throws:

SQLException

See Also:

• Statement.getMaxRows()

getQueryTimeout

public int getQueryTimeout()
                    throws SQLException

No limit here.

Specified by:

getQueryTimeout in interface Statement

Throws:

SQLException

See Also:

• Statement.getQueryTimeout()

getResultSetConcurrency

public int getResultSetConcurrency()
                            throws SQLException

This statement will always return a read only ResultSet

Specified by:

getResultSetConcurrency in interface Statement

Throws:

SQLException

See Also:

• Statement.getResultSetConcurrency()

getResultSetHoldability

public int getResultSetHoldability()
                            throws SQLException

Specified by:

getResultSetHoldability in interface Statement

Throws:

SQLException

getResultSetType

public int getResultSetType()
                     throws SQLException

Specified by:

getResultSetType in interface Statement

Throws:

SQLException

getUpdateCount

public int getUpdateCount()
                   throws SQLException

Specified by:

getUpdateCount in interface Statement

Throws:

SQLException

cancel

public void cancel()
            throws SQLException

Specified by:

cancel in interface Statement

Throws:

SQLException

clearBatch

public void clearBatch()
                throws SQLException

Specified by:

clearBatch in interface Statement

Throws:

SQLException

clearWarnings

public void clearWarnings()
                   throws SQLException

Specified by:

clearWarnings in interface Statement

Throws:

SQLException

close

public void close()
           throws SQLException

This statement is not connected to the QueryProcessor, only the GConnection is. so this call is silently ignored

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Statement

Throws:

SQLException

See Also:

• Statement.close()

getMoreResults

public boolean getMoreResults()
                       throws SQLException

Specified by:

getMoreResults in interface Statement

Throws:

SQLException

executeBatch

public int[] executeBatch()
                   throws SQLException

Specified by:

executeBatch in interface Statement

Throws:

SQLException

setFetchDirection

public void setFetchDirection(int direction)
                       throws SQLException

Specified by:

setFetchDirection in interface Statement

Throws:

SQLException

setFetchSize

public void setFetchSize(int rows)
                  throws SQLException

Specified by:

setFetchSize in interface Statement

Throws:

SQLException

setMaxFieldSize

public void setMaxFieldSize(int max)
                     throws SQLException

Currently there shouldn't be any size limit.

Specified by:

setMaxFieldSize in interface Statement

Throws:

SQLException

See Also:

• Statement.setMaxFieldSize(int)

setMaxRows

public void setMaxRows(int max)
                throws SQLException

Currently there shouldn't be any limit.

Specified by:

setMaxRows in interface Statement

Throws:

SQLException

See Also:

• Statement.setMaxRows(int)

setQueryTimeout

public void setQueryTimeout(int seconds)
                     throws SQLException

Timeout is ignored.

Specified by:

setQueryTimeout in interface Statement

Throws:

SQLException

See Also:

• Statement.setQueryTimeout(int)

getMoreResults

public boolean getMoreResults(int current)
                       throws SQLException

Specified by:

getMoreResults in interface Statement

Throws:

SQLException

setEscapeProcessing

public void setEscapeProcessing(boolean enable)
                         throws SQLException

Specified by:

setEscapeProcessing in interface Statement

Throws:

SQLException

executeUpdate

public int executeUpdate(String sql)
                  throws SQLException

Execute non-select queries

Specified by:

executeUpdate in interface Statement

Throws:

SQLException

See Also:

• Statement.executeUpdate(java.lang.String)

addBatch

public void addBatch(String sql)
              throws SQLException

Specified by:

addBatch in interface Statement

Throws:

SQLException

setCursorName

public void setCursorName(String name)
                   throws SQLException

Specified by:

setCursorName in interface Statement

Throws:

SQLException

execute

public boolean execute(String sql)
                throws SQLException

Specified by:

execute in interface Statement

Throws:

SQLException

executePacket

protected boolean executePacket()

executeUpdate

public int executeUpdate(String sql,
 int autoGeneratedKeys)
                  throws SQLException

Specified by:

executeUpdate in interface Statement

Throws:

SQLException

execute

public boolean execute(String sql,
 int autoGeneratedKeys)
                throws SQLException

Specified by:

execute in interface Statement

Throws:

SQLException

executeUpdate

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

Specified by:

executeUpdate in interface Statement

Throws:

SQLException

execute

public boolean execute(String sql,
 int[] columnIndexes)
                throws SQLException

Specified by:

execute in interface Statement

Throws:

SQLException

getConnection

public Connection getConnection()
                         throws SQLException

Specified by:

getConnection in interface Statement

Throws:

SQLException

getGeneratedKeys

public ResultSet getGeneratedKeys()
                           throws SQLException

Specified by:

getGeneratedKeys in interface Statement

Throws:

SQLException

getResultSet

public ResultSet getResultSet()
                       throws SQLException

Specified by:

getResultSet in interface Statement

Throws:

SQLException

getWarnings

public SQLWarning getWarnings()
                       throws SQLException

No warnings are kept in this implementation which means it will always return null.

Specified by:

getWarnings in interface Statement

Throws:

SQLException

See Also:

• Statement.getWarnings()

executeUpdate

public int executeUpdate(String sql,
 String[] columnNames)
                  throws SQLException

Specified by:

executeUpdate in interface Statement

Throws:

SQLException

execute

public boolean execute(String sql,
 String[] columnNames)
                throws SQLException

Specified by:

execute in interface Statement

Throws:

SQLException

executeQuery

public ResultSet executeQuery(String sql)
                       throws SQLException

Specified by:

executeQuery in interface Statement

Throws:

SQLException

buildResultSet

protected void buildResultSet(ResponsePacket response)

isClosed

public boolean isClosed()
                 throws SQLException

Specified by:

isClosed in interface Statement

Throws:

SQLException

isPoolable

public boolean isPoolable()
                   throws SQLException

Specified by:

isPoolable in interface Statement

Throws:

SQLException

setPoolable

public void setPoolable(boolean poolable)
                 throws SQLException

Specified by:

setPoolable in interface Statement

Throws:

SQLException

isWrapperFor

public boolean isWrapperFor(Class<?> iface)
                     throws SQLException

Specified by:

isWrapperFor in interface Wrapper

Throws:

SQLException

unwrap

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

Specified by:

unwrap in interface Wrapper

Throws:

SQLException

closeOnCompletion

public void closeOnCompletion()
                       throws SQLException

Specified by:

closeOnCompletion in interface Statement

Throws:

SQLException

isCloseOnCompletion

public boolean isCloseOnCompletion()
                            throws SQLException

Specified by:

isCloseOnCompletion in interface Statement

Throws:

SQLException