io.shardingsphere.core.merger

Class JDBCQueryResult

java.lang.Object

io.shardingsphere.core.merger.JDBCQueryResult

All Implemented Interfaces:

QueryResult

public final class JDBCQueryResult
extends Object
implements QueryResult

Query result form database for JDBC.

Author:

zhangliang

Constructor Summary

Constructors

Constructor and Description
JDBCQueryResult()

Method Summary

Modifier and Type	Method and Description
Object	getCalendarValue(int columnIndex, Class<?> type, Calendar calendar) Get calendar value.
Object	getCalendarValue(String columnLabel, Class<?> type, Calendar calendar) Get calendar value.
int	getColumnCount() Get column count.
String	getColumnLabel(int columnIndex) Get column label.
InputStream	getInputStream(int columnIndex, String type) Get InputStream.
InputStream	getInputStream(String columnLabel, String type) Get InputStream.
Object	getValue(int columnIndex, Class<?> type) Get data value.
Object	getValue(String columnLabel, Class<?> type) Get data value.
boolean	next() iterate next data.
boolean	wasNull() Adjust ResultSet is null or not.

Methods inherited from class java.lang.Object

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

Constructor Detail

JDBCQueryResult

public JDBCQueryResult()

Method Detail

next

public boolean next()
             throws SQLException

Description copied from interface: QueryResult

iterate next data.

Specified by:

next in interface QueryResult

Returns:

has next data

Throws:

SQLException - SQL Exception

getValue

public Object getValue(int columnIndex,
                       Class<?> type)
                throws SQLException

Description copied from interface: QueryResult

Get data value.

Specified by:

getValue in interface QueryResult

Parameters:

columnIndex - column index

type - class type of data value

Returns:

data value

Throws:

SQLException - SQL Exception

getValue

public Object getValue(String columnLabel,
                       Class<?> type)
                throws SQLException

Description copied from interface: QueryResult

Get data value.

Specified by:

getValue in interface QueryResult

Parameters:

columnLabel - column label

type - class type of data value

Returns:

data value

Throws:

SQLException - SQL Exception

getCalendarValue

public Object getCalendarValue(int columnIndex,
                               Class<?> type,
                               Calendar calendar)
                        throws SQLException

Description copied from interface: QueryResult

Get calendar value.

Specified by:

getCalendarValue in interface QueryResult

Parameters:

columnIndex - column index

type - class type of data value

calendar - calendar

Returns:

calendar value

Throws:

SQLException - SQL Exception

getCalendarValue

public Object getCalendarValue(String columnLabel,
                               Class<?> type,
                               Calendar calendar)
                        throws SQLException

Description copied from interface: QueryResult

Get calendar value.

Specified by:

getCalendarValue in interface QueryResult

Parameters:

columnLabel - column label

type - class type of data value

calendar - calendar

Returns:

calendar value

Throws:

SQLException - SQL Exception

getInputStream

public InputStream getInputStream(int columnIndex,
                                  String type)
                           throws SQLException

Description copied from interface: QueryResult

Get InputStream.

Specified by:

getInputStream in interface QueryResult

Parameters:

columnIndex - column index

type - class type of data value

Returns:

InputStream

Throws:

SQLException - SQL Exception

getInputStream

public InputStream getInputStream(String columnLabel,
                                  String type)
                           throws SQLException

Description copied from interface: QueryResult

Get InputStream.

Specified by:

getInputStream in interface QueryResult

Parameters:

columnLabel - column label

type - class type of data value

Returns:

InputStream

Throws:

SQLException - SQL Exception

wasNull

public boolean wasNull()
                throws SQLException

Description copied from interface: QueryResult

Adjust ResultSet is null or not.

Specified by:

wasNull in interface QueryResult

Returns:

ResultSet is null or not

Throws:

SQLException - SQL Exception

getColumnCount

public int getColumnCount()
                   throws SQLException

Description copied from interface: QueryResult

Get column count.

Specified by:

getColumnCount in interface QueryResult

Returns:

column count

Throws:

SQLException - SQL Exception

getColumnLabel

public String getColumnLabel(int columnIndex)
                      throws SQLException

Description copied from interface: QueryResult

Get column label.

Specified by:

getColumnLabel in interface QueryResult

Parameters:

columnIndex - column index

Returns:

column label

Throws:

SQLException - SQL Exception