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Oral Surgery Associates is an Oral Surgeon located in Shreveport, LA. An Oral Surgeon is trained to diagnose, treat, and prevent diseases of the gums, teeth, and jaw. They can provide dental implants, wisdom tooth removal, jaw surgery, orthognathic surgery, tumor resection, revision procedures for TMJ, anatomical modeling, oral sedation and Rembrandt whitening.
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Q: Did this provider answer all of your questions?
A: Yes
Q: Was this provider's staff friendly?
A: Yes
Q: Did you leave the office feeling satisfied with your visit?
A: Yes
Q: Was this provider's office easy to locate?
A: Absolutely! It couldn't have been easier!
Q: Are you going to visit this provider again?
A: Without a doubt!
Dr. David Clark, DDS--specialist in oral & maxillofacial surgery--currently sees patients in Shreveport, Louisiana and Ruston, Louisiana.
Dr. Clark is licensed to treat patients in Louisiana.
In addition to having active medical licenses, Dr. Clark has been found to hold one or more active medical licenses, and successfully passed a malpractice history screening.
Oral & Maxillofacial Surgery, Oral Surgery Associates, Board Certified
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20 Games Like Star Wars The Clone Wars: Republic Heroes()
Star Wars: Battlefront II
Become a hero in Star Wars Battlefront II. Experience rich and living Star Wars multiplayer battlegrounds across prequels, original trilogy, and the new era. Customize and upgrade iconic characters such as Yoda or Darth Maul, starfighters, or troopers. Plus, play an emotionally-gripping single player story.
Anthem is a shared-world action RPG, where players can delve into a vast landscape teeming with amazing technology and forgotten treasures. This is a world where Freelancers are called upon to defeat savage beasts, ruthless marauders, and forces plotting to conquer humanity.
Splatoon 2
Splatoon 2 is a multiplayer third-person shooter in which players control characters known as Inklings and use colored ink to attack opponents and clear goals. Inklings can alternate between humanoid form, during which they can fire ink with their weapons, and squid form, which allows them to swim through ink of their own color in order to move quickly and replenish ink supplies.
Beat gravity into submission in LawBreakers, an exhilarating new first-person shooter where even the laws of physics can be shattered, creating unprecedented gravity-based combat across a bloody rebuilt American landscape.
Far Cry 5
Welcome to Hope County, Montana, land of the free and the brave, but also home to a fanatical doomsday cult known as The Project at Eden's Gate that is threatening the community's freedom. Stand up to the cult's leader, Joseph Seed and the Heralds, and spark the fires of resistance that will liberate the besieged community.
In this expansive world, your limits and creativity will be tested against the biggest and most ruthless baddest enemy Far Cry has ever seen. It'll be wild and it'll get weird, but as long as you keep your wits about you, the residents of Hope County can rest assured knowing you're their beacon of hope.
DESYNC is an intense, single-player first person shooter that begs you to play dangerously and creatively. Eliminate your opponents as you perform violent attack sequences using the explosive digital weaponry and lethal side-arms at your disposal. Switch weapons and move masterfully to unleash Attack Sequences – special moves that deal bonus damage and effects. Launch an enemy into a trap with a well-placed shotgun blast, then destroy another while they're in the air. Think quickly and discover new combinations to maximize your score and decimate the leaderboards.
Fortnite is the living, action building game from the developer formerly known as Epic MegaGames. You and your friends will lead a group of Heroes to reclaim and rebuild a homeland that has been left empty by mysterious darkness only known as "the Storm".
Band together online to build extravagant forts, find or build insane weapons and traps and protect your towns from the strange monsters that emerge during the Storm. In an action experience from the only company smart enough to attach chainsaws to guns, get out there to push back the Storm and save the world. And don't forget to loot all the things.
Rise & Shine
Rise is a small kid of Gamearth, the world where the classic videogame characters live. He finds himself lost in the middle of a war against the Space Grunts, the bald muscular soldiers with big guns that just invaded his world. Only with the help of the legendary gun, Shine, he'll be able to stay alive and just maybe, incredibly, save his planet from the invaders.
The game mixes pure shooting arcade with the use of different bullets to solve all the situations Rise will find on his path. Think of a more arcadey Another World, also with a very tight relationship between gameplay and story.
76 / 10053.8
Sonic Mania
"It's the ultimate Sonic celebration! Sonic returns in a new 2D platforming high speed adventure, and he's not alone!
Developed in collaboration between SEGA, Christian Whitehead, Headcannon, and PagodaWest Games, experience new zones and remixed classic levels with Sonic, Tails, and Knuckles!"
Star Wars Battlefront II
Star Wars: Battlefront II is the sequel to Star Wars: Battlefront. It is a high-selling Star Wars video game following the many adventures of several characters. The two games are very similar, as both revolve around troopers from various factions fighting in different locales. Battlefront II, however, includes elements and missions from Star Wars: Episode III Revenge of the Sith, as well as enhanced aspects of gameplay including space combat and the ability to play as Jedi characters or other heroes.
The game's campaign mode is entitled Rise of the Empire. The story takes the player on different missions throughout the galaxy as part of the Galactic Empire's 501st Legion known as Vader's Fist.
Other game modes include "Instant Action" where the player can fight on any battleground, land or space, and "Galactic Conquest" where the player fights as a certain faction for control of the galaxy.
The game was released on November 1, 2005, for the PC, Xbox, PlayStation Portable, and PlayStation 2, the same day that Revenge of the Sith was released on DVD.
Source: http://starwars.wikia.com/wiki/Star_Wars:_Battlefront_II
89 / 1001844.45
Days Gone
Days Gone is an open-world action-adventure game set in a harsh wilderness two years after a devastating global pandemic. Play as Deacon St. John, a Drifter and bounty hunter who rides the broken road, fighting to survive while searching for a reason to live.
At its core, Days Gone is about survivors and what makes them human: desperation, loss, madness, betrayal, friendship, brotherhood, regret, love – and hope. It's about how even when confronted with such enormous tragedy they find a reason to live. Hope never dies.
The Evil Within 2
The Evil Within 2 is the latest evolution of survival horror. Detective Sebastian Castellanos has lost it all. But when given a chance to save his daughter, he must descend once more into the nightmarish world of STEM. Horrifying threats emerge from every corner as the world twists and warps around him. Will Sebastian face adversity head on with weapons and traps, or sneak through the shadows to survive.
Osiris: New Dawn
After crash-landing on an unknown planet you must survive hostile alien conditions through ingenuity and technology. Craft a modest outpost then expand systematically to grow food, build vehicles, and craft helpful droids and powerful mechs. Form a colony with your friends and battle others or explore the system alone prospecting for immeasurable riches. Discover, fight, and tame indigenous alien creatures and search for lost human expeditions.
PLAYERUNKNOWN'S BATTLEGROUNDS is a last-man-standing shooter being developed with community feedback. Starting with nothing, players must fight to locate weapons and supplies in a battle to be the lone survivor. This realistic, high tension game is set on a massive 8x8 km island with a level of detail that showcases Unreal Engine 4's capabilities.
Mass Effect: Andromeda
A new adventure awaits in the Mass Effect universe. With stunning visuals and a new galaxy to discover, BioWare delivers the next generation of space exploration.
Commander Shepard's story may be over, but there are many more stories to tell in the Mass Effect universe. Mass Effect Andromeda will be set in a new galaxy, with new characters, new quests and a whole load of new consequence-laden decisions to make.
Mass Effect: Andromeda takes you to the Andromeda galaxy, far beyond the Milky Way. There, you'll lead our fight for a new home in hostile territory - where WE are the aliens.
Play as the Pathfinder - a leader of a squad of military-trained explorers - with deep progression and customisation systems. This is the story of humanity's next chapter, and your choices throughout the game will ultimately determine our survival in the Andromeda Galaxy.
As you unfold the mysteries of the Andromeda Galaxy and the hope for humanity lies on your shoulders – You must ask yourself… How far will you go?
Key Features:
Return to the Mass Effect universe. Lead the first humans in Andromeda on a desperate search for our new home. In this new chapter of Mass Effect, meet and recruit all-new, interesting characters caught up in an epic space saga filled with mystery and galactic conflict.
Fight for survival. Battle with your Pathfinder team against terrifying enemies and creatures. New additions like destructible environments, boosted jumps for added verticality, and all-new weapons and Biotics make combat more thrilling than ever.
Build your hero. Create a formidable hero with amazing weapons, powers and tech. A much more flexible skill and weapon progression tree means you can replicate your play style to make you unstoppable against new, powerful alien enemies.
Explore a new galaxy. Chart your own course in a dangerous new region. Unravel the mysteries of the Andromeda galaxy as you discover rich, alien worlds in the search for humanity's new home.
75 / 100353.75
Gears of War 4
A new saga begins for one of the most acclaimed video game franchises in history. After narrowly escaping an attack on their village, JD Fenix and his friends, Kait and Del, must rescue the ones they love and discover the source of a monstrous new enemy.
80 / 100124.0
Hyper Light Drifter
Hyper Light Drifter is a 2D Action RPG in the vein of the best 8-bit and 16-bit classics, and is considered a combination of The Legend of Zelda: A Link to the Past and Diablo.

subset: commoncrawl


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Long Beach
Briscoe Tops Friday Practice At Long Beach, Leads Team Penske Top-Two Sweep
LONG BEACH, Calif. (April 15, 2011) – Led by Ryan Briscoe, Team Penske had three of the six fastest laps Friday during the first day of practice for Sunday's Toyota Grand Prix of Long Beach.
Briscoe recorded the top time of the day – 1:10.740 – around the 1.9-mile, 11-turn street course in the No. 6 Penske Truck Rental Dallara/Honda. Team Penske's Will Power owned the second-fastest lap, while Helio Castroneves checked in with the sixth-fastest time on Friday during IZOD IndyCar Series practice.
"It's great to end the day on top," said Briscoe, who was fifth in the morning practice session after an early spin on course. "We made some good changes over lunch time. We got that spin out of the way this morning. We changed the wing and were able to get the fast one on there now."
After suffering disappointing finishes in the first two races of the season due to contact, Briscoe has stayed positive with a fast car and productive practice and qualifying sessions. The native of Sydney, Australia said it could be another incident-filled race with the new double-file restarts on the tight street circuit, putting even more emphasis on qualifying up front.
"It's going to be really hairy in Turn 1 on every start and restart on Sunday," said Briscoe. "Certainly, the big goal is to start at the front and it's going to help a lot. From the third, fourth row back it's going to be such a big bottleneck, and there's going to be some impatient guys out there. We're certainly working hard at getting some speed out of the Penske Truck Rental car today."
Power, coming off his first win of the season last weekend in Alabama, had the fastest lap in the morning session before clocking the second-quickest time overall with a late run in the second practice. His effort of 1:10.898 in the No. 12 Verizon Team Penske Dallara/Honda just missed knocking Briscoe from the top spot on the timing charts.
It's great to end the day on top.
"It is very competitive around this track," said Power, the current series points leader who will be looking for his third consecutive pole position at Long Beach on Saturday. "You can see how close the times are together. We were running on new tires and it turned into a really good session for us. We will make a few changes for tomorrow and see if we can get another pole."
Castroneves also had a solid run around the difficult street circuit, clocking a lap of 1:11.362 in the No. 3 Automobile Club of Southern California Team Penske Dallara/Honda.
"We improved our Automobile Club of Southern California car between the first and second practice sessions today," said Castroneves, the 2001 Long Beach winner. "We will be sure to take advantage of what my teammates are learning about the track and then apply it to my car for tomorrow. We have some work to do, but we will continue to improve and look forward to a better result on Saturday."
-source: team penske


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The Gambia holidays
Although The Gambia is the smallest African country, it has plenty to offer, with the limitless bird-watching opportunities, excellent local guides and the Gambia river flowing through the country – all best explored by boat.
We have highlighted the standard of accommodation featured on a tour immediately above the tour itinerary.
In some cases, tours include some departures in one category and some in another: you can see and select the different tour types under 'tour variations'. For these tours, the itinerary is generally the same and just the standard of accommodation varies. However, if there are any variations in the excursions included, these are shown within the itinerary.
Superior: Most Cox & Kings tours fall under this category and are based in 4- or 5-star accommodation, or the best available.
Luxury: These tours will usually feature 5-star de luxe accommodation throughout.
Standard: Simpler in emphasis, these itineraries typically feature 3- and 4-star accommodation throughout.
Discovery: This type of holiday is best suited to the hardier traveller, as it will typically include some quite basic accommodation, possibly longer and rougher road journeys and, in some cases, more arduous activities, such as trekking.


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"If there ever was a time when the hearings are going to make a huge difference, it's now."
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- Sen. Charles Schumer, D-N.Y., on the nomination of presidential counsel Harriet Miers for the U.S. Supreme Court. Democrats said Miers, with no judicial record, will need to answer more questions than John Roberts did during his confirmation hearing.
"It's very, very difficult now. They don't like it here anymore. One guy, we didn't hear from him until he called from the highway. He said, 'I'm in California. I'm never coming back.'"
- Stephen Cotsoradis, owner of Gulf Marine & Industrial Supplies in New Orleans, in a Chicago Tribune story on the difficulty the city's businesses are facing in the wake of Hurricane Katrina. Less than a third of Cotsoradis' 75 employees have come back to their jobs.
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Adrian Gonzalez has had a rough go of things since last year's All-Star Break.
His production fell off on the field, and his care-free attitude didn't sit well in Boston.
You know about the shocking trade that sent him, Josh Beckett, and Carl Crawford to L.A. weeks ago, but is L.A. already getting tired of Gonzo?
He hasn't been hitting well, and that same care-free way about him could be getting on some nerves out there.
WEEI's Rob Bradford joins Gary Tanguay and Andy Gresh in studio to discuss.


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Ca is Calcium's atomic symbol.
She looks so Majestic,beautiful and creepy at the same time
This is really cool.....and creepy!!
orianna what are you doing there?!
you're stuff is so cool
Hey there, I not originally a fan of vocaloid but that bacterial contamination song was really something! I loved the overall tone but the character calne looked really cool!
question, if the ca stands for calcium then are her "abnormalities" made of bone? On another note amazing job on this character concept, looks amazing~
If it wasn't for the boobs, this would be on my wall. Might be anyways.
Actually Calne Ca is a derivative of Hatsune Miku, being a fan made character based on a established character.
Look it up. Even Wikipedia has this right!
Look it up. Even Wikipedia has this right!
Who are you saying this to? The creator? Deino is the creator of Calne Ca.
But yeah you're right. I hate it when people get it wrong and say that Calne Ca and Miku are one and the same. They're not.
But yeah you're right. I hate it when people get it wrong and say that Calne Ca and Miku are one and the same. They're not.
i simply love your work!!
<3 she rules!
Dayum she is..
freakishly awesome. XD
freakishly awesome. XD
Perfect Background Picture! x3
awesome! i love calne ca!
OMG where to download this model??
has anyone seen the music video bacterial contamination by hatsune miku? its pretty creepy but the song is awesome!
i did, i did!! i love the song!
Yeah, it's actually Miku's voice, look it up on Vocaloid wikia please.
I looked it up. It's not her.
Then something's wrong with your eyes.
No, you're just ignorant to the truth. Too obsessed with being right with your own false statements in some childish attempt to prove something that does not exist. ^-^
Check with Vocaloid.wikia.
I did. It clearly states that they are two different people. However, it is up to the fan to interpret whether or not it is an individual, or a distorted Miku. Personally, being an actual fan of Miku, I like to think that she STAYS as Miku, and not a distorted robot. But I guess for people like you, who apparently don't like or respect Miku, you WANT her to be deformed. Good on you. But you're wrong. ;3
True, You are perfectly Right, Its NOT Miku, You have no Idea how many times Poeple like us have to tell people its a DIFFRENT Voicebank!
Uh, the opposite is true, actually Calne Ca is just the character in the video, and Miku is the one who sings the actual song.
She's really cool. owo
She´s quite often wearing not too much...but, well, come on, it´s just her exoskeleton, so why care how much she wears as long as it´s awesome? ^^
Hey I think I've seen this pic on Osu!
She gives me a Necromorph vibe with all those extra long limbs coming off her more human body, particularly calling a Slasher to mind. She even has the mandibles in place of a lower jaw some Slashers have. Decidedly creepy, but I wonder if she has an overall nice personality.
Loved Bacterial Contamination.
Loved Bacterial Contamination.
Calne Ca 美しいです <3
Very nice pastel coloring in this one.
OMG She doesn't wear pants! ><
Calne Ca 初音ミクが最も美しいのバージョンです!
Calne Ca is really pretty OwO


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|Publication number
|Publication type
|Application number
|Publication date
|Dec 29, 2009
|Filing date
|Apr 5, 2005
|Priority date
|Apr 5, 2005
|Fee status
|Also published as
|Publication number
|Jonathan D. Bennett, William G. O'Farrell
|Original Assignee
|International Business Machines Corporation
|Export Citation
|BiBTeX, EndNote, RefMan
|Patent Citations (12), Non-Patent Citations (1), Referenced by (14), Classifications (6), Legal Events (4)
|External Links: USPTO, USPTO Assignment, Espacenet
1. Statement of the Technical Field
The present invention relates to the field of business process programming and more particularly to the debugging of a business process program.
2. Description of the Related Art
The business process program paradigm represents a revolutionary approach to wide-scale, distributed data processing. Business process programs utilize a loosely coupled integration model to allow flexible integration of heterogeneous systems in a variety of domains including business-to-consumer, business-to-business and enterprise application integration. Through the use of a messaging protocol, a common grammar for describing business process logic and an infrastructure for publishing and discovering services in a systematic way, business processes can "find" each other and can interact with one another following a loosely coupled, platform-independent model.
Presently, the interaction model of the business process program can be viewed as a stateless model of synchronous or uncorrelated asynchronous interactions. Models for business interactions typically assume sequences of peer-to-peer message exchanges, both synchronous and asynchronous, within stateful, long-running interactions involving two or more parties. Nevertheless, systems integration requires more than the mere ability to conduct simple interactions by using standard protocols. Rather, the full potential of the business process program paradigm as an integration platform can be achieved only when applications and business processes are able to integrate their complex interactions by using a standard process integration model.
Workflow languages fulfill many if not all of the aspects of a standard process integration model. In this regard, typical workflow language specifications define a technology for integrating cross-enterprise business processes. By coordinating stateful interactions of loosely coupled services across enterprise boundaries, the workflow language can provide a means of modeling the interactions between an enterprise and its business partners, suppliers and customers and thus the value chain of the enterprise. Most importantly, a workflow language can define a notation for specifying business process behavior for use in a business process program.
Workflow languages differ from older, more traditional procedural programming languages in that workflow languages concentrate on allowing the applications developer to specify the interactions between existing processing logic in a business process program rather than requiring the developer to design a business process program and its accompanying processing logic from scratch. As a result, in the workflow paradigm, execution environments partition the program instructions into a number of disjoint tasks, often referred to as activities, which can be coupled together through a description of dependencies between the activities, often referred to as links.
Generally, an activity can include program logic which can invoked by a process engine. For example, the program logic can be a locally or remotely invokable program object which can be activated by the process engine. The process engine can determine a sequence for invoking program logic based upon the links specified for different program objects. Consequently, a business process program can be conceptually viewed as a grouping of activities and links which are executed in run-time environment. Notably, unlike conventional procedural program logic, the processing logic or program objects of a business process program need not be invoked in the exact order specified by the developer. Rather, the process engine can remain free to execute program objects in any order so long as the constraints of the relationship links are satisfied.
The clear distinction between the procedural programming paradigm and the workflow programming paradigm can lead to difficulties in performing common debugging tasks known in the procedural programming paradigm. In the conventional, procedural paradigm, the developer can step through the instructions of an application according to the ordered instructions produced by the compiler. Even where threading adds a layer of complexity to the compiled application, the individual threads of execution can be reduced to a series of time sequenced instructions which can be filed through "stepping over" and "tracing into" operations.
In contrast, the notion of a thread of execution has not been applied to the workflow paradigm. In fact, to the extent that the workflow paradigm implicates multiple independently acting business processes executing across different execution environments, the element of time slicing modeled by threads simply does not exist. In the prototypical business process program, a process portion of the program can be passed to the processing engine as an activity. Selected activities can be handled for execution through the operation of a message queue which may or may not take selected activities in the prescribed order. Different activities can be executed in different environments having different capacities and execution capabilities. Consequently, different chunks of work can be performed concurrently in an unpredictable order.
The present invention addresses the deficiencies of the art in respect to debugging business process programs and provides a novel and non-obvious method, system and apparatus for applying virtual threads in debugging a business process program. In a method of the invention, for each group of activities in the business process program which are related to each other by way of a link, a unique virtual thread identifier can be assigned to the group. Utilizing each assigned unique virtual thread identifier, debugging operations can be performed on the business process program.
Notably, each activity and link can be specified in a workflow language common grammar. Moreover, the assigning step can be performed synchronously in a business process engine. Finally, to facilitate the performance of debugging operations, a directed graph of the business process program can be generated based upon different activities linked to selected other activities by way of links. Moreover, each assigned unique virtual thread identifier can be utilized to merge virtual threads in the directed graph.
A system for debugging a business process program can include a debug runtime configured for coupling to a business process engine and a debug tool communicatively coupled to the debug runtime. The debug runtime can include logic for managing a directed graph of nodes representing activities related to one another by different links specified by the business process program. Moreover, the debug tool can include logic for performing debug operations selected from the group consisting of establishing and enforcing breakpoints, step over debugging and converting actual breakpoints to flow breakpoints in a mixed stack frame. The execution environment for the business process program can be a message driven environment.
Additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The aspects of the invention will be realized and attained by means of the elements and combinations particularly pointed out in the appended claims. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
The accompanying drawings, which are incorporated in and constitute part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. The embodiments illustrated herein are presently preferred, it being understood, however, that the invention is not limited to the precise arrangements and instrumentalities shown, wherein:
The present invention is a method, system and apparatus for applying virtual threads in debugging a business process program. In accordance with the present invention, different activities in a business process can be associated with corresponding virtual thread identifiers where groups of the activities related to one another through corresponding links can be assigned a single virtual thread identifier. In this regard, the virtual thread identifier can identify a virtual thread. A virtual thread can refer to a connected sequence of continuations which have a definable state when suspended.
Thus, a sequence of activities related to one another along a definable flow can be associated with a single virtual thread. As a virtual thread reaches activities which generate concurrency, the concurrency can be represented through the spawning of a new virtual thread. In any event, based upon the association of activities with corresponding virtual thread identifiers, a directed graph of different activities of different virtual thread identifiers can be generated. Accordingly, debug operations including applying breakpoints, step over debugging and the like can be applied to a business process program regardless of the host platform for any one activity in the business process program.
In more particular illustration of the inventive embodiments,
Specifically, before and after each activity or link to an activity is evaluated in the process engine 110, the process engine 110 can forward information regarding the activity or link in the form of an event 150 to the debug runtime 120. The information can include the process instance affected by the event 150, the type of event 150 which has occurred, and the details regarding the event 150. Using the information in the event 150, the debug runtime 120 can determine which activities are related to one another in a single virtual thread of execution and which activities are related to one another in other virtual threads of execution. The determinations of the debug runtime 120 can be used to generate a directed graph of the different activities and links of the business process program.
The debug runtime 120 can be communicatively coupled to a debug tooling 130. The debug tooling 130 can provide logic for performing one or more debug operations upon the business process program including breakpoint establishment and enforcement, step over debugging and the like. In this regard, the debug tooling 130 can provide a user interface through which an end user 140 can access the debug operations of the debug tooling 130. To perform the debug operations, the debug tooling 130 can interact with the debug runtime 120 to access the information 180 in the directed graph for the business process program based upon questions/directives 170 provided to the debug runtime 120.
Once the debug runtime 120 becomes aware of a running business process program, the debug runtime 120 can ensure that a record system is generated to record information regarding the various levels of the process. An exemplary record system can be specified according to the object diagram of
More specifically, the FlowDebugDirector 210 can encapsulate information regarding the deployed flows and running processes of the business process program. A FlowDebugType 220, by comparison, can encapsulate information regarding a deployed process template. A FlowInstance 230 can encapsulate information regarding a single running process. Finally, a DebugModel 240 can encapsulate a directed graph that describes the current and past state of a single process. In each of the FlowDebugDirector 210, FlowDebugType 220, FlowInstance 230 and DebugModel 240, suitable methods can be provided for accessing the information encapsulated in the FlowDebugDirector 210, FlowDebugType 220, FlowInstance 230 and DebugModel 240.
Returning now to
When the debug runtime 120 receives an event 150, the debug runtime 120 can look up a FlowInstance object associated with the business program process running in the process engine 110. The received event 150 then can be passed to the identified FlowInstance object so that the event 150 can be analyzed and recorded in a directed graph structure. More specifically, the FlowInstance object can analyze and record the event 150 by utilizing debug graph logic which, for exemplary purposes only, can be constructed according to a model-view-controller architecture shown in
As shown in
As a business process program interacts with a process engine, the directed graph can grow in size generating an ongoing model of the business process program. In particular, as the directed graph grows, the relationships between the activities of the business process program can become apparent. Notably, the debug runtime can classify two nodes in the directed graph as belonging to the same virtual thread if and only if there is a path between the two nodes as specified by one or more links coupling the nodes either directly or indirectly through other nodes. To the extent that two nodes can do not share a path between the nodes, the nodes can be viewed as residing in different virtual threads of execution.
As the directed graph can allow the identification of the execution of one or more virtual threads in a business process program, sophisticated debug operations of conventional procedural and object oriented programming tools can be implemented to the business process program defined by one or more workflow documents. For instance, calls from the process engine to register information with the debug runtime can be synchronous. As such, process engine execution cannot continue on the specified node until the call returns. Consequently, breakpoints can be established by not returning control to the engine until an end user has had an opportunity to inspect and alter the program state before instructing the process engine to continue as the case may be.
More complex debugging operations also can be provided. As an example,
Notably, because workflow languages often invoke other, existing computer programs, the flow of the business process program can become interrupted by the low-level debugging operations of the other, existing computer programs. Accordingly, it can be helpful to provide a mixed call stack leading to the low-level breakpoint. In this regard,
Utilizing the actual thread identifier, the directed graph can be searched for other nodes sharing the same actual thread identifier in block 550. When a node is located which shares the same actual thread identifier, the matching virtual thread identifier can be computed in block 560 and returned to the end user as though a breakpoint has been enforced in the flow of the virtual thread. Subsequently, in block 570, a marker can be set at the activity or link at the node associated with the actual thread identifier indicating that the user has paused at the specified location in the directed graph in order to maintain the consistency of the virtual thread identifiers.
Finally, the virtual threads of the present invention can be pooled and garbage collected where appropriate so as to emulate the merger of child threads into parent threads. In this regard, whenever the debug runtime halts the execution of a business process program at a specified node, the debug runtime can analyze the directed graph to determine whether a virtual thread identifier already has been assigned to the specified node and whether the virtual thread identifier is available for assignment. If so, the virtual thread identifier can be reused. Otherwise, a new virtual thread identifier can be assigned. In contrast, if more than one virtual thread identifier is available, the debug runtime can use the first located virtual thread identifier and the remaining thread identifiers can be garbage collected thereby providing the appearance of merging threads.
The present invention can be realized in hardware, software, or a combination of hardware and software. An implementation of the method and system of the present invention can be realized in a centralized fashion in one computer system, or in a distributed fashion where different elements are spread across several interconnected computer systems. Any kind of computer system, or other apparatus adapted for carrying out the methods described herein, is suited to perform the functions described herein.
A typical combination of hardware and software could be a general purpose computer system with a computer program that, when being loaded and executed, controls the computer system such that it carries out the methods described herein. The present invention can also be embedded in a computer program product, which comprises all the features enabling the implementation of the methods described herein, and which, when loaded in a computer system is able to carry out these methods.
Computer program or application in the present context means any expression, in any language, code or notation, of a set of instructions intended to cause a system having an information processing capability to perform a particular function either directly or after either or both of the following a) conversion to another language, code or notation; b) reproduction in a different material form. Significantly, this invention can be embodied in other specific forms without departing from the spirit or essential attributes thereof, and accordingly, reference should be had to the following claims, rather than to the foregoing specification, as indicating the scope of the invention.
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|U.S. Classification
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Owner name: INTERNATIONAL BUSINESS MACHINES CORPORATION, NEW Y
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BENNETT, JONATHAN D;O'FARRELL, WILLIAM G;REEL/FRAME:015978/0310
Effective date: 20050401
|Nov 9, 2010
|Certificate of correction
|Mar 29, 2013
|Fee payment
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|May 11, 2017
|Fee payment
Year of fee payment: 8


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