Class jet.datasource.JRResultSet

o JRResultSet 


 public JRResultSet()
01 Constructs an uninitialized JRResultSet.

o initialize 


 public abstract void initialize(JRColDesc colDescs[],

                                 String args[]) throws JRResultSetException
02 Initialize this JRResultSet.
Parameters:
colDescs - the descriptions of columns in the result set.
args - the arguments of this class.
Throws: JRResultSetException
when a data source error occurs.

o next 


 public abstract boolean next() throws JRResultSetException
03 Fetches a new row of data and returns true if it is OK.
Returns:
s false if no more data.
Throws: JRResultSetException
when a data source error occurs.

o close 


 public abstract void close() throws JRResultSetException
04 Close the JResultSet and release the resources.
Throws: JRResultSetException
when a data source error occurs.

o wasNull 


 public abstract boolean wasNull() throws JRResultSetException
05 To judge whether the last column read had NULL value.
Returns:
true if last column read was SQL NULL.
Throws: JRResultSetException
when a data source error occurs.

o getString 


 public abstract String getString(int columnIndex) throws JRResultSetException
06 Get the value of a column in the current row as a Java String.
Parameters:
columnIndex - the index number of the column.
Returns:
the column value as Java String.
Throws: JRResultSetException
if a data source error occurs.

o getBoolean 


 public abstract boolean getBoolean(int columnIndex) throws JRResultSetException
07 Get the value of a column in the current row as a Java boolean.
Parameters:
columnIndex - the index number of the column.
Returns:
the column value, if the value is NULL, return false.
Throws: JRResultSetException
if a data source error occurs.

o getByte 


 public abstract byte getByte(int columnIndex) throws JRResultSetException
08 Get the value of a column in the current row as a Java byte.
Parameters:
columnIndex - the index number of the column.
Returns:
the column value, if the value is NULL,return 0.
Throws: JRResultSetException
if a data source error occurs.

o getShort 


 public abstract short getShort(int columnIndex) throws JRResultSetException
09 Get the value of a column in the current row as a Java short.
Parameters:
columnIndex - the index number of the column.
Returns:
the column value, if the value is NULL,return 0.
Throws: JRResultSetException
if a data source error occurs.

o getInt 


 public abstract int getInt(int columnIndex) throws JRResultSetException
10 Get the value of a column in the current row as a Java int.
Parameters:
columnIndex - the index number of the column.
Returns:
the column value, if the value is NULL,return 0.
Throws: JRResultSetException
if a data source error occurs.

o getLong 


 public abstract long getLong(int columnIndex) throws JRResultSetException
11 Get the value of a column in the current row as a Java long
Parameters:
columnIndex - the index number of the column.
Returns:
the column value, if the value is NULL,return 0.
Throws: JRResultSetException
if a data source error occurs.

o getFloat 


 public abstract float getFloat(int columnIndex) throws JRResultSetException
12 Get the value of a column in the current row as a Java float.
Parameters:
columnIndex - the index number of the column.
Returns:
the column value, if the value is NULL,return 0.
Throws: JRResultSetException
if a data source error occurs.

o getDouble 


 public abstract double getDouble(int columnIndex) throws JRResultSetException
13 Get the value of a column in the current row as a Java double.
Parameters:
columnIndex - the index number of the column.
Returns:
the column value, if the value is NULL,return 0.
Throws: JRResultSetException
if a data source error occurs.

o getBigDecimal 


 public abstract BigDecimal getBigDecimal(int columnIndex,

                                          int scale) throws JRResultSetException
14 Get the value of a column in the current row as a java.lang.BigDecimal object.
Parameters:
columnIndex - the index number of the column.
scale - the number of digits to the right of the decimal.
Returns:
the column value, if the value is NULL,return null.
Throws: JRResultSetException
if a data source error occurs.

o getDate 


 public abstract Date getDate(int columnIndex) throws JRResultSetException
15 Get the value of a column in the current row as a java.sql.Date object.
Parameters:
columnIndex - the index number of the column.
Returns:
the column value, if the value is NULL,return null.
Throws: JRResultSetException
if a data source error occurs.

o getTime 


 public abstract Time getTime(int columnIndex) throws JRResultSetException
16 Get the value of a column in the current row as a java.sql.Time object.
Parameters:
columnIndex - the index number of the column.
Returns:
the column value, if the value is NULL,return null.
Throws: JRResultSetException
if a data source error occurs.

o getTimestamp 


 public abstract Timestamp getTimestamp(int columnIndex) throws JRResultSetException
17 Get the value of a column in the current row as a java.sql.Timestamp object.
Parameters:
columnIndex - the index number of the column.
Returns:
the column value, if the value is NULL,return null.
Throws: JRResultSetException
if a data source error occurs.

o getBinaryStream 


 public abstract InputStream getBinaryStream(int columnIndex) throws JRResultSetException
18 Get the value of a column in the current row as a stream of uninterpreted bytes, then this column value can be read in chunks from the this stream.
Parameters:
columnIndex - the index number of the column.
Returns:
the column value, if the value is NULL,return null.
Throws: JRResultSetException
if a data source error occurs.