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hibernate-orm
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HHH-2728 : session.clear() while retrieving objects via an iterator fix that should work for all dialects 

git-svn-id: https://svn.jboss.org/repos/hibernate/core/trunk@13962 1b8cb986-b30d-0410-93ca-fae66ebed9b2
This commit is contained in:
Gail Badner 2007-08-29 23:00:41 +00:00
parent 50a010566b
commit 9e08a9b134
1 changed files with 8 additions and 10 deletions
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18
core/src/main/java/org/hibernate/impl/IteratorImpl.java
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@ -1,4 +1,4 @@
//$Id: IteratorImpl.java 11651 2007-06-07 18:22:50Z steve.ebersole@jboss.com $
//$Id: IteratorImpl.java 13956 2007-08-29 00:47:06Z gbadner $
package org.hibernate.impl;
import java.sql.PreparedStatement;
@ -54,12 +54,7 @@ public final class IteratorImpl implements HibernateIterator {
single = types.length==1;
// rs.isBeforeFirst() will return false if rs contains no rows
hasNext = this.rs.isBeforeFirst();
if ( !hasNext ) {
log.debug("ResultSet contains no rows");
close();
}
postNext();
}
public void close() throws JDBCException {
@ -92,11 +87,15 @@ public final class IteratorImpl implements HibernateIterator {
}
private void postNext() throws SQLException {
this.hasNext = !rs.isLast();
log.debug("attempting to retrieve next results");
this.hasNext = rs.next();
if (!hasNext) {
log.debug("exhausted results");
close();
}
else {
log.debug("retrieved next results");
}
}
public boolean hasNext() {
@ -106,10 +105,9 @@ public final class IteratorImpl implements HibernateIterator {
public Object next() throws HibernateException {
if ( !hasNext ) throw new NoSuchElementException("No more results");
try {
log.debug("retrieving next results");
rs.next();
boolean isHolder = holderInstantiator.isRequired();
log.debug("assembling results");
if ( single && !isHolder ) {
currentResult = types[0].nullSafeGet( rs, names[0], session, null );
}