fjtirado commented on code in PR #3784:
URL:
https://github.com/apache/incubator-kie-kogito-runtimes/pull/3784#discussion_r1883938656
##########
addons/common/persistence/jdbc/src/main/java/org/kie/kogito/persistence/jdbc/GenericRepository.java:
##########
@@ -160,74 +160,33 @@ Optional<Record> findByBusinessKey(String processId,
String processVersion, Stri
}
}
- private static class CloseableWrapper implements Runnable {
-
- private Deque<AutoCloseable> wrapped = new ArrayDeque<>();
-
- public <T extends AutoCloseable> T nest(T c) {
- wrapped.addFirst(c);
- return c;
- }
-
- @Override
- public void run() {
- try {
- close();
- } catch (Exception ex) {
- throw new RuntimeException("Error closing resources", ex);
- }
- }
-
- public void close() throws Exception {
- Exception exception = null;
- for (AutoCloseable wrap : wrapped) {
- try {
- wrap.close();
- } catch (Exception ex) {
- if (exception != null) {
- ex.addSuppressed(exception);
- }
- exception = ex;
- }
- }
- if (exception != null) {
- throw exception;
- }
- }
- }
-
@Override
Stream<Record> findAllInternal(String processId, String processVersion) {
- CloseableWrapper close = new CloseableWrapper();
- try {
- Connection connection = close.nest(dataSource.getConnection());
- PreparedStatement statement =
close.nest(connection.prepareStatement(sqlIncludingVersion(FIND_ALL,
processVersion)));
+ try (Connection connection = dataSource.getConnection();
+ PreparedStatement statement =
connection.prepareStatement(sqlIncludingVersion(FIND_ALL, processVersion))) {
statement.setString(1, processId);
if (processVersion != null) {
statement.setString(2, processVersion);
}
- ResultSet resultSet = close.nest(statement.executeQuery());
- return StreamSupport.stream(new
Spliterators.AbstractSpliterator<Record>(
- Long.MAX_VALUE, Spliterator.ORDERED) {
+ List<Record> record = new ArrayList<>();
Review Comment:
Hi, the point of returning a stream was to not go through the whole list
returning by the JDBC driver, avoiding a perfomrance issue is the list of
process instances is huge.
Cant we fix the leak in closeablewrapper (whatever is it) without changing
this?
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