Package org.apache.cayenne.access.util

Class IteratedSelectObserver

java.lang.Object

org.apache.cayenne.access.util.DefaultOperationObserver

org.apache.cayenne.access.util.IteratedSelectObserver

All Implemented Interfaces:

OperationHints, OperationObserver

public class IteratedSelectObserver
extends DefaultOperationObserver

OperationObserver that is used to track the execution of SelectQueries with results returned as ResultIterator.

Field Summary

Fields

Modifier and Type	Field	Description
protected ResultIterator	resultIterator

Fields inherited from class org.apache.cayenne.access.util.DefaultOperationObserver

globalExceptions, queryExceptions

Constructor Summary

Constructors

Constructor	Description
IteratedSelectObserver()

Method Summary

Modifier and Type	Method	Description
ResultIterator	getResultIterator()
boolean	isIteratedResult()	Returns false.
void	nextRows(Query query, List<?> dataRows)	Callback method invoked for each processed ResultSet.
void	nextRows(Query q, ResultIterator it)	Closes ResultIterator without reading its data.

Methods inherited from class org.apache.cayenne.access.util.DefaultOperationObserver

getGlobalExceptions, getQueryExceptions, hasExceptions, nextBatchCount, nextCount, nextGeneratedRows, nextGlobalException, nextQueryException, printExceptions

Methods inherited from class java.lang.Object

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

Field Details

resultIterator

protected ResultIterator resultIterator

Constructor Details

IteratedSelectObserver

public IteratedSelectObserver()

Method Details

isIteratedResult

public boolean isIteratedResult()

Description copied from class: DefaultOperationObserver

Returns false.

Specified by:

isIteratedResult in interface OperationHints

Overrides:

isIteratedResult in class DefaultOperationObserver

nextRows

public void nextRows(Query query,
List<?> dataRows)

Description copied from interface: OperationObserver

Callback method invoked for each processed ResultSet.

Specified by:

nextRows in interface OperationObserver

Overrides:

nextRows in class DefaultOperationObserver

nextRows

public void nextRows(Query q,
ResultIterator it)

Description copied from class: DefaultOperationObserver

Closes ResultIterator without reading its data. If you implement a custom subclass, only call super if closing the iterator is what you need.

Specified by:

nextRows in interface OperationObserver

Overrides:

nextRows in class DefaultOperationObserver

getResultIterator

public ResultIterator getResultIterator()