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java.lang.Objectorg.apache.commons.dbutils.handlers.ScalarHandler
ResultSetHandler
implementation that converts one
ResultSet
column into an Object. This class is thread safe.
ResultSetHandler
Field Summary | |
private int |
columnIndex
The column number to retrieve. |
private String |
columnName
The column name to retrieve. |
Constructor Summary | |
ScalarHandler()
Creates a new instance of ScalarHandler. |
|
ScalarHandler(int columnIndex)
Creates a new instance of ScalarHandler. |
|
ScalarHandler(String columnName)
Creates a new instance of ScalarHandler. |
Method Summary | |
Object |
handle(ResultSet rs)
Returns one ResultSet column as an object via the
ResultSet.getObject() method that performs type
conversions. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
private int columnIndex
private String columnName
Constructor Detail |
public ScalarHandler()
handle()
.
public ScalarHandler(int columnIndex)
columnIndex
- The index of the column to retrieve from the
ResultSet
.public ScalarHandler(String columnName)
columnName
- The name of the column to retrieve from the
ResultSet
.Method Detail |
public Object handle(ResultSet rs) throws SQLException
ResultSet
column as an object via the
ResultSet.getObject()
method that performs type
conversions.
handle
in interface ResultSetHandler
rs
- The ResultSet
to handle. It has not been touched
before being passed to this method.
null
if there are no rows in
the ResultSet
.
SQLException
ResultSetHandler.handle(java.sql.ResultSet)
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