297967 – Provide a CDOTransaction that temporarily commits to local storage (aka Push Mode)

Some Eclipse Foundation services are deprecated, or will be soon. Please ensure you've read this important communication.

Bug 297967 - Provide a CDOTransaction that temporarily commits to local storage (aka Push Mode)

Summary: Provide a CDOTransaction that temporarily commits to local storage (aka Push ...

Status:	CLOSED FIXED

Alias:	None

Product:	EMF
Classification:	Modeling
Component:	cdo.core (show other bugs)
Version:	3.0
Hardware:	PC All

Importance:	P3 enhancement (vote)
Target Milestone:	---
Assignee:	Eike Stepper
QA Contact:	Eike Stepper

URL:
Whiteboard:
Keywords:

Depends on:	298334
Blocks:	298568
	Show dependency tree

Reported:	2009-12-16 10:10 EST by Eike Stepper
Modified:	2010-06-29 09:22 EDT (History)
CC List:	3 users (show)

See Also:

Flags:	stepper: documentation+

Attachments
Patch v1 - just a temp save (21.51 KB, patch) 2009-12-17 07:02 EST, Eike Stepper	no flags	Details \| Diff
Patch v2 - initial tests passing (38.97 KB, patch) 2009-12-17 13:18 EST, Eike Stepper	no flags	Details \| Diff
Patch v3 (42.98 KB, patch) 2009-12-18 14:53 EST, Eike Stepper	no flags	Details \| Diff
Patch v4 - depends on patch in bug 298334 (15.84 KB, patch) 2009-12-21 13:58 EST, Eike Stepper	no flags	Details \| Diff
A test case for the push transaction (8.63 KB, patch) 2009-12-28 11:30 EST, Gonzague Reydet	stepper: iplog+	Details \| Diff
Some other tests for the addition of new objects in a push transaction (8.84 KB, patch) 2009-12-28 11:44 EST, Gonzague Reydet	stepper: iplog+	Details \| Diff
Some other test cases regarding objects removal (5.54 KB, patch) 2009-12-28 12:06 EST, Gonzague Reydet	stepper: iplog+	Details \| Diff
Show Obsolete (3) View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.

Description Eike Stepper

2009-12-16 10:10:59 EST

- Add exportChanges(OutputStream) and importChanges(InputStream) to CDOTransaction.
- Provide a CDOFileSystemTransaction that redefines the commit() semantics to use exportChanges()
- Add push() to CDOFileSystemTransaction.

Comment 1 Eike Stepper

2009-12-17 07:02:13 EST

Created attachment 154649 [details]
Patch v1 - just a temp save

Comment 2 Eike Stepper

2009-12-17 13:18:25 EST

Created attachment 154683 [details]
Patch v2 - initial tests passing

Open issues:
- CDOPushSavepoint
- rollback()

Comment 3 Eike Stepper

2009-12-18 14:53:54 EST

Created attachment 154813 [details]
Patch v3

I added CDOResource.OPTION_SAVE_OVERRIDE_TRANSACTION. Used by CDOEditor.

Comment 4 Eike Stepper

2009-12-21 13:58:51 EST

Created attachment 154894 [details]
Patch v4 - depends on patch in bug 298334

Comment 5 Eike Stepper

2009-12-28 05:28:02 EST

Committed to HEAD

Comment 6 Gonzague Reydet

2009-12-28 11:30:38 EST

Created attachment 155093 [details]
A test case for the push transaction

I confirm that I'm the only author and I apply the EPL.

Comment 7 Eike Stepper

2009-12-28 11:36:55 EST

Committed test case to HEAD

Comment 8 Gonzague Reydet

2009-12-28 11:44:29 EST

Created attachment 155094 [details]
Some other tests for the addition of new objects in a push transaction

I confirm that I'm the only author and I apply the EPL.

Comment 9 Eike Stepper

2009-12-28 11:52:05 EST

Committed to HEAD

Comment 10 Gonzague Reydet

2009-12-28 12:06:44 EST

Created attachment 155095 [details]
Some other test cases regarding objects removal

I confirm that I'm the only author and I apply the EPL.

Comment 11 Eike Stepper

2009-12-28 12:17:57 EST

Committed to HEAD

Comment 12 Eike Stepper

2010-05-08 04:55:46 EDT

Example:

    File file = new File("changes.bin");
    file.delete();

    // Open a new transaction and wrap it in a push transaction
    CDOPushTransaction transaction1 = new CDOPushTransaction(session.openTransaction(), file);

    // Commit to local file
    transaction1.commit();
    transaction1.close();

    // Open a new push transaction and load changes from local file
    CDOPushTransaction transaction2 = new CDOPushTransaction(session.openTransaction(), file);

    // Push changes to the repository
    transaction2.push();
    transaction2.close();

Comment 13 Eike Stepper

2010-06-29 04:40:16 EDT

Available in 3.0 GA:
http://download.eclipse.org/modeling/emf/cdo/updates/3.0-releases/