Re: svn commit: r707569 - in /cayenne/main/trunk/framework/cayenne-jdk1.5-unpublished/src: main/java/org/apache/cayenne/ObjectContextStateLog.java test/java/org/apache/cayenne/remote/CayenneContextDeletionTest.java

From: Tore Halset (halse..vv.ntnu.no)
Date: Fri Oct 24 2008 - 07:26:48 EDT

  • Next message: Andrey Razumovsky: "Re: svn commit: r707569 - in /cayenne/main/trunk/framework/cayenne-jdk1.5-unpublished/src: main/java/org/apache/cayenne/ObjectContextStateLog.java test/java/org/apache/cayenne/remote/CayenneContextDeletionTest.java"

    Hello.

    I do not know if there is a List in java.util.concurrent, but it would
    be nice if we could use one from there.

    Another option that seem to be preferred over Vector these days is

                 Collections.synchronizedList(new ArrayList())

    Regards,
      - Tore.

    On Oct 24, 2008, at 13:20 , Kevin Menard wrote:

    > Just as a heads up, we can use the new Java5 concurrent classes. I
    > don't think we have in the codebase, yet, but there's nothing stopping
    > us from doing so. Note that I haven't really looked at the problem
    > and if a Vector is the best fit, then that's fine, too.
    >
    > --
    > Kevin
    >
    >
    >
    > On Fri, Oct 24, 2008 at 3:13 AM, <andre..pache.org> wrote:
    >
    >> Modified: cayenne/main/trunk/framework/cayenne-jdk1.5-unpublished/
    >> src/main/java/org/apache/cayenne/ObjectContextStateLog.java
    >> URL: http://svn.apache.org/viewvc/cayenne/main/trunk/framework/cayenne-jdk1.5-unpublished/src/main/java/org/apache/cayenne/ObjectContextStateLog.java?rev=707569&r1=707568&r2=707569&view=diff
    >> =
    >> =
    >> =
    >> =
    >> =
    >> =
    >> =
    >> =
    >> =
    >> =====================================================================
    >> --- cayenne/main/trunk/framework/cayenne-jdk1.5-unpublished/src/
    >> main/java/org/apache/cayenne/ObjectContextStateLog.java (original)
    >> +++ cayenne/main/trunk/framework/cayenne-jdk1.5-unpublished/src/
    >> main/java/org/apache/cayenne/ObjectContextStateLog.java Fri Oct 24
    >> 00:13:36 2008
    >>.. -23,7 +23,9 @@
    >> import java.util.Collection;
    >> import java.util.Collections;
    >> import java.util.HashSet;
    >> +import java.util.List;
    >> import java.util.Set;
    >> +import java.util.Vector;
    >>
    >> import org.apache.cayenne.graph.GraphChangeHandler;
    >> import org.apache.cayenne.graph.GraphManager;
    >>.. -52,6 +54,11 @@
    >> * Updates dirty objects state and clears dirty ids map.
    >> */
    >> void graphCommitted() {
    >> + /**
    >> + * Array for deleted ids, to avoid concurrent modification
    >> + */
    >> + List deletedIds = new Vector();
    >> +
    >> for (Object id : dirtyIds) {
    >> Object node = graphManager.getNode(id);
    >> if (node instanceof Persistent) {
    >>.. -62,11 +69,19 @@
    >>
    >> persistentNode.setPersistenceState(PersistenceState.COMMITTED);
    >> break;
    >> case PersistenceState.DELETED:
    >> + deletedIds.add(id);
    >>
    >> persistentNode.setPersistenceState(PersistenceState.TRANSIENT);
    >> break;
    >> }
    >> }
    >> }
    >> +
    >> + /**
    >> + * Now unregister all deleted objects
    >> + */
    >> + for (Object id : deletedIds) {
    >> + graphManager.unregisterNode(id);
    >> + }
    >>
    >> clear();
    >> }
    >



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