Package scriptella.jdbc

Class ResultSetAdapter

java.lang.Object

scriptella.jdbc.ResultSetAdapter

All Implemented Interfaces:

Closeable, AutoCloseable, ParametersCallback

public class ResultSetAdapter
extends Object
implements ParametersCallback, Closeable

Represents SQL query result set as ParametersCallback.

This class exposes pseudo column rownum -current row number starting at 1.

Version:

1.0

Author:

Fyodor Kupolov

Constructor Summary

Constructors

Constructor	Description
ResultSetAdapter(ResultSet resultSet, ParametersCallback parametersCallback, scriptella.jdbc.JdbcTypesConverter converter)	Instantiates an adapter, prepares a cache and builds a map of column names.

Method Summary

Modifier and Type	Method	Description
void	close()	Closes the underlying resultset.
Object	getParameter(String name)	Returns the value of parameter specified by name.
boolean	next()

Methods inherited from class java.lang.Object

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

Constructor Details

ResultSetAdapter

public ResultSetAdapter(ResultSet resultSet,
 ParametersCallback parametersCallback,
 scriptella.jdbc.JdbcTypesConverter converter)

Instantiates an adapter, prepares a cache and builds a map of column names.

Parameters:

resultSet - resultset to adapt.

parametersCallback - parent parameter callback.

converter - type converter to use for getting column values as object.

Method Details

next

public boolean next()

Returns:

true if the new current row is valid; false if there are no more rows

See Also:

• ResultSet.next()

getParameter

public Object getParameter(String name)

Description copied from interface: ParametersCallback

Returns the value of parameter specified by name.

The callback internally delegates a call to parent callbacks if the parameter cannot be found.

Specified by:

getParameter in interface ParametersCallback

Parameters:

name - parameter name. Providers are allowed (but not required) to ignore a case of the name parameter to comply with their internal model. For example JDBC drivers are case-insensitive to column names.

Returns:

parameter value or null if parameter doesn't exist.

close

public void close()

Closes the underlying resultset.

This method should operate without raising exceptions.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable