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.

Author:

Andrei Adamchik

Field Summary

protected ResultIterator

resultIterator

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

DEFAULT_LOG_LEVEL, globalExceptions, queryExceptions

Constructor Summary

IteratedSelectObserver()

Method Summary

ResultIterator	getResultIterator()
boolean	isIteratedResult() Returns false.
void	nextDataRows(Query query, java.util.List dataRows) Callback method invoked for each processed ResultSet.
void	nextDataRows(Query q, ResultIterator it) Closes ResultIterator without reading its data.

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

getGlobalExceptions, getLoggingLevel, getQueryExceptions, hasExceptions, nextBatchCount, nextCount, nextGeneratedDataRows, nextGlobalException, nextQueryException, printExceptions, setLoggingLevel

Methods inherited from class java.lang.Object

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

Field Detail

resultIterator

protected ResultIterator resultIterator

Constructor Detail

IteratedSelectObserver

public IteratedSelectObserver()

Method Detail

isIteratedResult

public boolean isIteratedResult()

Description copied from class: DefaultOperationObserver

Returns false.

Specified by:

isIteratedResult in interface OperationHints

Overrides:

isIteratedResult in class DefaultOperationObserver

nextDataRows

public void nextDataRows(Query query,
                         java.util.List dataRows)

Description copied from interface: OperationObserver

Callback method invoked for each processed ResultSet.

Specified by:

nextDataRows in interface OperationObserver

Overrides:

nextDataRows in class DefaultOperationObserver

nextDataRows

public void nextDataRows(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:

nextDataRows in interface OperationObserver

Overrides:

nextDataRows in class DefaultOperationObserver

getResultIterator

public ResultIterator getResultIterator()
                                 throws CayenneException

Throws:

CayenneException