Release Notes Top-Logic

Release notes

Version 4.0

Serialisation of Object was partially fixed. (To allow failover on some web containers)
Build Process
Knowledge Base:
- Added generic KnowledgBasEvents
- Support for "removed" Objects that can be revived. Part of generic Lifecylcle of KnowledgeObjects
- New RemoteKnowledgeBase using SOAP
- Support for KnowledgeAssociations between Knowledgebases (BridgeAssociation).
- Security on Access to KnowledgeObjects from KnowledgeAssociations was enhanced.
Trees now use a TreeModel
Some Fixes on UI, work remains for 4.1.
DisplayBean was removed in favour of DefaultDisplayBean.
Wrappers better subclassable.
We can detect the Clients Browser and can create different pages based on this.
Clarified usage of Properties with DataSourceAdaptors.
Recreated Searchengines.

Embedded Workflow Engine (EWE)

Implemented interfaces that allow interaction of Top-Logic with jWorkflow. jWorkflow needs to live in an EJB server, currently only JBOSS is supported. To use the EWE, a special manual installation process is required; automatic installation is not yet supported.

Version 3.2 (internal release only)

Now using JDK 1.4:
- Change CORBA Implementation to JDK 1.4 ORB.
- Use Regular Expressions from JDK 1.4
New Ticket System (TSE)
Trees now use a TreeModel
Reviewed and extended DataSourceAdaptors
- String DataSourceAdaptor.createUniqueEntry()
- boolean DataSourceAdaptor.close()
- String[] DataSourceAdaptor.getVersions()
- DataObject DataSourceAdaptor.getProperties(String aVersion)
Cleanup of old Classes

Version 3.1

Raised overall performance of system (many performance issues).
Optimized startup time of application.
Optimized memory footprint of application.
Optimized menu handling (IE and Netscape).
Speed up WebDAV access.
Moved WebDAV into the application context.
Direct link from WebDAV-Explorer into Browser.
Usage of new (faster, smaller, more configurable) tree component.
Enabled I18N (Translations) for JavaScript parts.
Added capability for user profiles.
Added clipboard functionality for copying any knowledgeobject to the clipboard.
New, purely socket based multi-upload service
Changes to Presentation Utility Package:

Enabled search function.
Changed ordering of contents from names to normal sorting order of NavigationNodes.
Optimized handling of browsers.
Moved header image to the top node of the PUP.

Changes to the application:

All application relevant parts are located in application context now.
Moved all configuration to WEB-INF.
Moved all JAR files to WEB-INF/lib.
Only one small JAR file with dependencies to Catalina (for Valves).
Removed the "file.home" variable.
Added (configurable) TLContext object as cental location for current User, current KnowledgeObject and Tree handling

Changes to the framework:

New basic sortable and filterable table
DispatcherServlet is gone (was never really needed)
Changed setSuperUser() to pushSuperUser()/popSuperUser().
Cleanup query implementation from old classes.
Added language hierachies for resources.
Added generic import/export of meta- and data-objects.
Added instanceof(String) to DataObject.
Extended the test area by many new test cases.
Split of Constants into Session and ThreadConstants
MIME-Handling centralised (still more to do here)
Reloadable mechanism:

Central manager for reloading configuration in a running system.
Added UI for the selective reloading.
Added automatic reloading of "top-logic.xml" when a reloadable service uses XMLProperties.
Make I18N part, DisplayService, MimeTypes and others reloadable.

Content Assistant:

Added interface to communication between frontend and backend.
Added new database backend (RDBMS).
Added caching mechanism for better performance.
Added new kind of images (with size and position).
Added clipboard to lists inputs.

Knowledge base:

Allow for more than one Knowledge Base at the same time.
Added wrapper concept for different basic knowledge objects.
Make cache part of KnowledgeBase for faster commit.
Added indexing capability for faster search.
Allow (configurable) Preload of Knowledgebase
added getKO by Type, and by Attribute value.
Split import/export of meta data and content.
Unified Metadata so special file for OPF is not needed anymore
Converter to allow intelligent import/merge of Knowledgebases

Data access:

Review of specification.
Added Adaptor for SAP (BAPIs).
Added Adaptor for Mail.
Cleanup of DataAccessProxy.
Cleanup of DataSourceAdaptor.
Rewritten repository implementation: allows deletion, includes converter form old format.
Moved Mimetypes from DataSourceAdaptor to MimeTypes.
From now on directories are without tailing '/'.

Security handling:

Optimized handling.
Make security checks pluggable.
Explicit use of ACLs for security checks.

Solutions:

Added MultiXMLProperties for overloading solution properties.
Added overloading mechnism to Resources for solutions.

Fixed many known bugs.

Added migration utility from 3.0 to 3.1.
Most JSP Pages with standard header, so source of generated HTML can be found.

Version 3.0

Added associative search in display of documents.
Display keywords of document.
Generic Bus-System for System Wide Event notification:
- Login/Logout of users is tracked.
- Changes of Documents are tracked.
Trouble Ticket System (TTS) as optional Solution.
Completly new, Javascript based MenuHandling:
- Menuentries bases on Knowledgeobjects (this way configurable).
- Menuhandling based on current, active Object.
Web Content Assistant, internally known as Web CMS:
- Allows template based creation of HTML-Pages by any user.
- Defined special views for Projects, Offices and OrgUnits.
Cleanup of duplicate code, mostly from com.top_logic.util to com.top_logic.mig.util.
Some unused and obsolete Objects removed.
Many Bugs in OPF removed, now is default Knowledgebase.
Unified setup of Knowledgebases via KnowledgeBaseFactory.
New but mostly compatible Implementation of Queries.
Query KO in Knowledgebases are gone, use simple query strings instead.
Dublin core attributes are now support via a common Subclass for KOs.
Many (but still not enough) JUnit Testcases.
A few HTTPUnit Testcases, more to come.
Optional, untestet Componentens, use at your own risk:
- Clipboard, not yet supported by UI.
- XML-based, shared Blackboard.

Version 2.1

Enabled access to associative search (using "MindAccess").
Enabled new persistence for knowledge base via Object Persistency Framework.
Administration GUI
- Disabled change of user name and password if using Active Directory (should be made via Windows Tools).
- Re added the "View log files" application to Admin Tools.
- Several optimizations to the Admin Tools.
NewsCenter
- German special characters will be encoded while saving news.
- Changed layout of news.
Security Component
- Cleaned up the whole component.
- Different implementations hide behind the service classes.
- Synchronized the whole application with the service classes.
Adaptors
- Changed behavior of initialize adaptors via configuration.
- Special features (like classify content of adaptor) can be appended to every adaptor now (via listener interface).
- Generalized several file adaptors.
Object Persistency Framework
- Reviewed the whole framework.
- Sped up the response time by using iterator instead of list.
- Minimized the footprint of objects.
- Optimized the internal handling.
- Added transparent transactions.
Documentation
- Built up a new documentation structure.
- Written documentation for users, administrators, managers, architects and developers.
- Extended the JavaDoc of the application.
Removed Apache from the system.
Use Tomcat V3.2.3 for security and performance issues.
Enabled two systems running independend on one machine.
Bugfixes in different components.
Several minor changes to the previous version.
Sped up performance.