org.apache.openjpa.jdbc.kernel
Class ProjectionResultObjectProvider

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

All Implemented Interfaces:

ResultObjectProvider, Closeable

Direct Known Subclasses:

PreparedProjectionResultObjectProvider

 class ProjectionResultObjectProvider
extends SelectResultObjectProvider

Object provider implementation wrapped around a projection select.

Author:

Abe White

Field Summary

Fields inherited from class org.apache.openjpa.jdbc.kernel.SelectResultObjectProvider

_res

Constructor Summary

ProjectionResultObjectProvider(SelectExecutor sel, QueryExpressions[] exps, QueryExpressionsState[] state, ExpContext ctx)
Constructor.

ProjectionResultObjectProvider(SelectExecutor sel, QueryExpressions exps, QueryExpressionsState state, ExpContext ctx)
Constructor.

Method Summary

Object

getResultObject() Instantiate the current result object.

Methods inherited from class org.apache.openjpa.jdbc.kernel.SelectResultObjectProvider

absolute, close, getFetchConfiguration, getResult, getSelect, getStore, handleCheckedException, next, open, reset, setSize, size, supportsRandomAccess

Methods inherited from class java.lang.Object

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

Constructor Detail

ProjectionResultObjectProvider

public ProjectionResultObjectProvider(SelectExecutor sel,
                                      QueryExpressions exps,
                                      QueryExpressionsState state,
                                      ExpContext ctx)

Constructor.

Parameters:

sel - the select to execute

exps - the query expressions

states - the query expression states

ctx - the query execution context

ProjectionResultObjectProvider

public ProjectionResultObjectProvider(SelectExecutor sel,
                                      QueryExpressions[] exps,
                                      QueryExpressionsState[] state,
                                      ExpContext ctx)

Constructor.

Parameters:

sel - the select to execute

exps - the query expressions

states - the query expression states

ctx - the query execution context

Method Detail

getResultObject

public Object getResultObject()
                       throws Exception

Description copied from interface: ResultObjectProvider

Instantiate the current result object. This method will only be called after ResultObjectProvider.next() or ResultObjectProvider.absolute(int).

Throws:

Exception