org.apache.openjpa.jdbc.kernel
Class SelectResultObjectProvider

java.lang.Object
  org.apache.openjpa.jdbc.kernel.SelectResultObjectProvider

All Implemented Interfaces:

ResultObjectProvider, Closeable

Direct Known Subclasses:

InstanceResultObjectProvider, PagingResultObjectProvider, ProjectionResultObjectProvider

public abstract class SelectResultObjectProvider
extends Object
implements ResultObjectProvider

Abstract provider implementation wrapped around a Select.

Author:

Abe White

Field Summary

protected Result

_res

Constructor Summary

SelectResultObjectProvider(SelectExecutor sel, JDBCStore store, JDBCFetchConfiguration fetch)
Constructor.

Method Summary

boolean	absolute(int pos)
void	close()
JDBCFetchConfiguration	getFetchConfiguration()
Result	getResult()
SelectExecutor	getSelect()
JDBCStore	getStore()
void	handleCheckedException(Exception e)
boolean	next()
void	open()
void	reset()
protected void	setSize(int size) Allow subclasses that know the size to set it; otherwise we calculate it internally.
int	size()
boolean	supportsRandomAccess()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.openjpa.lib.rop.ResultObjectProvider

getResultObject

Field Detail

_res

protected Result _res

Constructor Detail

SelectResultObjectProvider

public SelectResultObjectProvider(SelectExecutor sel,
                                  JDBCStore store,
                                  JDBCFetchConfiguration fetch)

Constructor.

Parameters:

sel - the select to execute

store - the store to delegate loading to

fetch - the fetch configuration, or null for the default

Method Detail

getSelect

public SelectExecutor getSelect()

getStore

public JDBCStore getStore()

getFetchConfiguration

public JDBCFetchConfiguration getFetchConfiguration()

getResult

public Result getResult()

supportsRandomAccess

public boolean supportsRandomAccess()

Specified by:

supportsRandomAccess in interface ResultObjectProvider

open

public void open()
          throws SQLException

Specified by:

open in interface ResultObjectProvider

Throws:

SQLException

next

public boolean next()
             throws SQLException

Specified by:

next in interface ResultObjectProvider

Throws:

SQLException

absolute

public boolean absolute(int pos)
                 throws SQLException

Specified by:

absolute in interface ResultObjectProvider

Throws:

SQLException

size

public int size()
         throws SQLException

Specified by:

size in interface ResultObjectProvider

Throws:

SQLException

setSize

protected void setSize(int size)

Allow subclasses that know the size to set it; otherwise we calculate it internally.

reset

public void reset()
           throws SQLException

Specified by:

reset in interface ResultObjectProvider

Throws:

SQLException

close

public void close()

Specified by:

close in interface ResultObjectProvider

Specified by:

close in interface Closeable

handleCheckedException

public void handleCheckedException(Exception e)

Specified by:

handleCheckedException in interface ResultObjectProvider