DSL

DSM acts as the front end of DSL, allowing the user to express constructs through a visual representation.

Also in the Philippines, Bayan Telecommunications Inc. said the quake disrupted some of its digital-subscriber-line services.

In essence, profiles were a way of producing what are now commonly referred to as domain specific languages (DSLs).

This makes it a good starting point for a large number of possible DSLs.

The modem is usually connected to a cable or DSL line, and is then connected to your computer through an Ethernet cable and network adapter.

Domains in DSL and DSM are often captured in the form of a metamodel, as shown in Figure 1.

A domain-specific programming language (DSL) is a programming language designed to be useful for a specific set of tasks.

Your correspondent is admittedly near the end of the road for a digital subscriber line (DSL) connection.

If yes: What are the implications of DSL evolution on software engineers in terms of their responsibilities and activities?

In the next installment, I'll continue discussing DSL techniques as a mechanism for harvesting idiomatic patterns in emergent design.

A similar approach can be used for the application architecture, i. e. the instances of the DSL.

To set up a Digital Subscriber Line (DSL) or cable connection, you first need an account with an Internet service provider (ISP).

This Recommendation provides the necessary guidance and an overview of the DSL family of Recommendations and is therefore informative.

The new properties handle the first part of my DSL, leaving the of method as the only remaining part.

As you can probably guess, each line of this definition file is a Ruby-based DSL.

It is anticipated that future DSL Recommendations will also be able to make use of this Recommendation.

However, most of us have already used a DSL for execution, like you suggest, though we probably never thought of it that way.

You can see that the methods -- state, transition, and event -- combined with closures and hash maps, make a nice DSL.

JES: You can think of a DSL as a means to communicate an idea or a concept in its own specific terms.

Rather than building a framework on top of an existing language, mobl started with a clean slate as an external DSL.

Arguments against Embedded DSLs are manifold. Like the idea that they make code harder to read.

A major advantage of a DSL is that it requires significantly less time to understand and to communicate details of a domain.

An SDK component is also part of DSL with a piece of software that developers interact with is a local web server called Chiron.

Perlmutter: The first products were fixed. It was a good value proposition, but the networks we are going to use now are mobile.

For DSL, the ISP is usually a phone company; for cable, it's usually a cable TV provider.

Language techniques for constructing DSLs frequently use clever tricks to supply wrapping context for your code implicitly.

From his DSL, I realized how powerful Ruby could be at expressing GUI applications.

For information about establishing an Internet connection with a broadband modem, see Set up a DSL or cable connection.

With XDSL technology (the X represents all the DSL variations), the telephone companies are in a position to leapfrog the cable TV industry.

The kind of speed delivered by DSL technology will change the way we think about working at home.

To set up your DSL connection, you need a few basic pieces of information from your Internet service provider (ISP).

Gareth Jones however believes that " many DSL authors won't test a very high number of language variants against their code generators. "

I really like having a DSL to develop integration flows in. The disadvantage of ServiceMix is pretty much tied to its advantages.

One of the main reasons I'm using the DSL is to enhance readability, so I would like to get rid of extra noise.

And the trendy technique of behavior-driven development (BDD) required a strong DSL base to achieve its popularity.

The alternative is an "external" DSL that requires an external compiler and generator, making the integration much more difficult.

All the things that need to be expressed in the defined scope of the domain can be expressed using the language (DSL).

Calls travel over the Internet , though, so you need a stable, active cable or DSL Internet connection for this to work .

Being able to evaluate a DSL script in multiple contexts begins to blur the line between code and data.

In the last couple of years, DSL and cable modems have opened up new alternatives to Web designers and developers.

With the metamodel, tool friendliness refers to how easy it is to design and develop a tool for a specific metamodel (DSL).

Domain-Specific Languages, or DSLs, provide a convenient syntactical means for expressing goals in a given problem domain.

Our DSL exists in an Erlang module called "dsl" , consisting of a single file called dsl. erl.

mobl can be described as a domain-specific language (DSL), a language aimed at a particular application domain.

The next section discusses the DSL tool designed for modeling domain-specific issues for AUTOSAR.

A DSL enables you to abstract the software solution and hide the implementation details.

When building DSLs that feature quantities, you must decide on your units and (optionally) add them to the DSL to make it more readable.

In other words, DSLs try to "hide" noisy syntax using features of the underlying language to make your code more readable.

Operational data is utilized to determine the FEXT interference induced by one line into the other DSL line.

Sequel provides thread safety, connection pooling and a concise DSL for constructing database queries and table schemas.

Effectively, an internal DSL is a very high-level API to a general-purpose programming language.

Unfortunately, after hours of searching there were no black women to be found; only DSL and local phone service.

This is a high-speed connection using either a cable modem, DSL or LAN connection. It is always active, and doesn't require you to sign in.

You want to enhance the fluency of your DSLs as much as possible, suggesting that you should handle cases like pluralization.

The RF bypass supports data rates of up to 311 Megabits per second, more than 200 times faster than most cable or DSL connections.

Traditionally, DSLs have had fairly limited domains.

A domain specific language is a language-oriented tool designed to solve a specific set of programming tasks.

It's her favorite color, she has a pink DS Lite, but I think she just settled -- I just wanted to put in that request.

Shopping around for a better package of telephone services might also save you on your Internet access if you use DSL.

However, when it comes to detailed design, you need to transform the model into a DSL model.

With this architecture, DSL gets invoked for every data access operation or transaction initiated by a business service.

Additionally, because DSLs are defined for particular problem domains, they capture and consequently reuse specific domain knowledge.

A real DSL implementation would obviously do more than just print to the standard out stream.

RJP: This depends a great deal on the target user set of the DSL.

Decomposing a DSL solution into smaller building blocks (separate tiers) presents some interesting architectural options.

Domains for DSL can be defined in many different ways using different notations, techniques, and tools.

IT-related DSL examples include HTML, SQL, WS-* standards, Business Process Execution Language (BPEL), and POV scene description language.

Naked DSL is a digital subscriber line without a PSTN (Public Switched Telephone Network) service.

It talked about the limitations of UML and the related requirement for a DSL for detailed modeling of different AUTOSAR templates.

That config file is actually a DSL designed by the framework author and developers use it to configure a running system.

In the following section, you apply stereotypes for the Skyway DSL transformation and for the LDM transformation.

Using open classes to add new methods to a built-in class is a common technique for adding expressiveness to DSLs.

Integrating Certicom's security technology enables faster performance for the DSL modem products and VPN solutions.

As the above example shows, by executing the DSL in various contexts you can generate multiple behaviors from the same business rule.

DSL acts as a common bridge between the Business Services layer and the Data Persistency layer (see Figure 3).

mobl is not the only DSL for mobile development.

For cable modem and DSL installations, it's the battle in the streets: roads need to be dug up, permits pulled and off-duty police hired.

Using an entity-relationship model is one form of defining a DSL.

InfoQ: What do you think about the role that Domain Specific Languages (DSLs) can play in modeling and executing the software architectures?

Is mobl still a DSL, considering the fact that it has GPL features?

The concepts and abstractions of a DSL are related to a particular domain.

In regular DSL, a wire runs from the telephone switch to a POTS (Plain Old Telephone Service) splitter.

Defining a DSL is valuable because DSLs help to focus on a specific area by setting a very specific scope.

You'll notice many of these DSL techniques achieve that same effect using language syntactic tricks.

A domain specific language (DSL) is used to describe the (possibly narrow) elements of a single domain.

And such approach allows to "redistribute responsibilities" , moving the testing burden onto DSL authors.

DSL provides an abstraction (and integration) of all the data sources of interest to business services.

The index can quantify the level of linkage disequilibrium (LD) between the marker and the disease susceptibility locus (DSL) of genes.

DSL will continue to dominate as the broadband access technology carrying the IPTV services.

NET Entity Framework uses a DSL called conceptual schema definition language ( CSDL) to define conceptual models.

Groovy offers several features that make building DSLs easier. Support for quantities is a common requirement in DSLs.

This paper attempts to analyze the cross-layer capacity from the DSL systems of military field phone line under DMT(Discrete Multi-Tone) .

The DSL being built here is a simple calculator language, designed to take mathematical expressions and evaluate them.

A "DSL" light on your modem usually shows that the line is synchronized.

Residential gateways (often called routers) are frequently used in homes to connect to a broadband service, such as IP over cable or DSL.

In other words, only a standalone DSL internet service is provided on the local loop.

It is a common DSL antipattern to make fundamental (possibly breaking) changes to core classes of the language.

A Groovy configuration file is almost a domain-specific language (DSL) for storing your configuration settings.

To address these issues, the focus of this part of the series is on the Data Services Layer (DSL).

But Naked DSL the portion of cable from the switch to the POTS splitter is removed, therefore removing dial tone from the line.

One common technique many DSLs use (especially those targeting nondevelopers) is to leverage spoken languages.

Crosstalk is the basis information for dynamic spectrum management or crosstalk cancellation in DSL sys-tem.

A DSL is a focused, processable language for describing a specific concern when building a system in a specific domain.

The cord fairy could, alternately, wave a wand and forever free my laptop, printer, lamp, router, and DSL modem from all wires.

By encoding the operations in a DSL, I can take extra actions (like beneficial side effects) in addition to populating data structures.

A DSL, or domain-specific language, is a scripted language designed to solve a specific programming problem.

The ability to create a DSL like Builder illustrates why expressiveness and power in languages are so critical.

Running the transformation populates the Spring DSL folder of the Skyway project with the domain objects from the UML model.

When you hear this process discussed today, it's usually in reference to domain-specific languages, or DSLs (see Resources).

If you want fast access from home, your only hopes are cable-modem and DSL services. Or are they?

dsl-x. x. x-embedded. zip is for running DSL Linux from within the Windows or Linux environment.

Also illustrations of the data service presentation options using the DSL Recommendations is provided.

No matter what your particular reason, all DSLs should deliver a clear value to your project.

All of these new networks allow Internet access at about the speed of a slow home DSL line, which is a big boost for cellphones.

DSLs often need to express some basic behavior which can be combersome when done in a pure declarative way.

This element of a DSL implementation is on of the most critical design elements.

A DSL imposes a well-defined set of types of elements and relations.

These DSLs may be implemented separately using text or xml to represent the language.

This technique is recommended to be adopted using the following two open source textual DSLs: Chef and Puppet.

Brian Guthrie and Fabio Akita - well known on the ruby community - also contributed with both code and dsl ideas.

The domain specific language is more structured and is easier to make quick edits and changes in than the natural language.

You can also use DSL Linux as a means of system restoration.

ChocTop has a DSL-ish configuration system and adds a few task to your rake file.

The DSL development increased productivity by a factor of 10 with a ROI of more than 100 percent.

So, we've made it very convenient to figure out what's in the DSL you've created via auto-complete.

Figure 1 illustrates how the DSL supports this high degree of traceability.

Marko proudly says that even over a basic DSL connection one can get HDTV without glitches.

It should be implemented in DSL's, one or many depending on the needs of the system.

Because of this, DSLs often are considered (executable) specification, not programming languages.

DSL and ISDN are methods for providing high-speed last-mile data service through twisted-pair copper wires.

Many Grails plugins also provide DSLs to interact with the libraries or frameworks they wrap.

For instance, you might want to consider implementing an ESB as a frontend to your DSL.

A special type of DSL line where the upload speed is different from the download speed.

Next we call load_biz_rules, another public function of the dsl module.

Why should you use DSLs instead of a general purposed language (GPL)?

Several design considerations need addressing when planning a DSL.

He also had one coop rotation at Alcatel Networks working for DSL Hardware design and testing team.

One convenient mechanism in languages that commonly host DSLs is method missing.

I became a wireless Internet service provider because my neighborhood had no DSL or cable Internet service.

Eclipse's EMF project is also following the entity-relationship modeling technique to capture DSLs.

Ruby also includes another handy DSL mechanism: the alias_method class method.

Grails uses this feature to provide DSLs for ORM mapping, wiring Spring beans, and other configurations.

But one can use a general modeling language like UML to document the design even if you're using DSLs.

InfoQ: You've talked about domain-specific languages and explained their role in the software factory initiative.

A DSL can also use the vocabulary from the business domain and provide the translation for the IT domain.

In a DSL world, there's not a whole lot of waiting going on.

Nevertheless, we feel it does already show the potential of using DSLs in the mobile space.

Figure 6 illustrates how the DSL is populated using the products and procedures just described.

DSLs tend to create more compact code, boiling away needless verbose syntax.

Documentation is not a DSL, and it is most certainly not understandable in many cases.

The approach explored in the presentation was to create a JRuby DSL that is utilized from within Java classes.

However, these DSLs have limited flexibility.

GPLs, compared with DSLs, use a vocabulary that is simple and basic enough to describe any domain without the specifics.

Metamodels are self-describing, using DSL to capture the metamodel (domain) for the DSL.

The best way to start a DSL is to doodle around and sketch something that looks right.

I recently used it while developing a DSL to represent SQL. I started with the following syntax.

Ruby is currently the most popular language for building internal DSLs.

Remember that I'm using the DSL to capture a domain idiomatic pattern, which means that nondevelopers might read it.

In this sense, DSLs are extremely useful in configuring a DI framework.

MPS is also useful in creating DSLs where you can define custom language editors and other constraints for any new language.

Broadband modems connect to either a cable or Digital Subscriber Line (DSL), and they provide high-speed Internet access.

Even putting aside the reality that we live in a DSL, cable modem, T1, even T3 world, this argument is silly (and that's being kind).

Finally, there is no canonical text on how you should create an internal DSL with any language.

For instance, HTML is a DSL for defining structured web pages.

Obviously, a DSL is not required in every case.

Second is its simple DSL-like syntax for defining endpoints.

XPath is a domain-specific language (DSL) that is quickly becoming an important part of other more general-purpose languages.

Nowadays, it is best practice to generate code from a DSL, which is simpler to use than a general purpose language like UML.

To the user they see an XML schema-based DSL that offers rapid development of service flows.

InfoQ: What role does Groovy play in creating the Domain Specific Languages (DSLs)?

A hardware appliance is best for installing at each entry point to your corporate network(such as your cable or DSL connection).

Another reason for preferring Ruby is the ability to create DSLs.

The ability to preview a DSL before printing has been added to the DSL designer.

Why did you choose this picture for your DSL book?

Well, let's try to implement an Embedded DSL.

For developers, DSLs are another tool that can be utilized.

To add this to the language requires some simple steps.

You must follow this rule for any hosts on dial-up, DSL, cable services or LAN through some broadband router.

The changes made grant significant speed improvements for users on slower broadband connections such as lower-end DSL connections.

Because I was creating an internal DSL, which in my case is a Ruby API, the creation of the DSL could be purely test driven.

The first command in our erl session compiles and loads this module with the built in c function.

But in some cases it's warranted to have an external DSL that can be interacted with.

3G mobile broadband can bring Internet access to places where you can't get Wi-Fi or don't have DSL, Cable, and other services.

The above code also shows the first few steps towards defining a DSL.

The three most common ways to connect to the Internet from home are dial-up, DSL, and cable.

A way to specify my class methods, which are required for the DSL.

Now, Java (and the JVM) need to grow (and shrink) in interesting ways to support DSLs.

How do we handle evolution of DSL meta-models and models?

You may cancel your current service when your iTalkBB account is active.

Note the the grammar is a really good baseline.

It is common in internal DSLs to stylize the use of the base language to make the DSL more readable.

Using DSLs in order to reduce the testing burden requires a thorough testing of the DSL itself.

With Guice 2. 0 we even support a DSL to intuitively map servlets and filters to URL paths in web applications.

For things such as business rules, you can define a DSL that directly express these rules and use a rules engine to evaluate them.

dsl-x. x. x-syslinux. iso is for older machines.

Figure 4 depicts a conceptual architecture of DSL.

It is a Java DSL that makes extensive use of XPath to query, analyze and manipulate graphs.

You people have trouble reaching your own moon, and even you have cell phones, satellite TV, and high-speed DSL.

It can mainly read three flavours of process definitions : a Ruby DSL, a XML and plain trees (usually as JSON).

That business model is based on wholesale costs of $9 per household passed and $30 per business passed for DSL-like rates.

Familiar with network devices, such as DSL device, fiber module, server, router. Etc.

In this DSL, the unit of measurement is hours, which means that I need to return 15 for 3. pm.

In order to cache objects of the DSL, you need to define a cache policy using the element to identify uniquely objects you want to cache.

With DSLs, it's valid to question how many domains should be identified.

Now it's time to add the class methods that form the DSL.

But there is also effort to define domain-specific languages (DSLs) using the MDA framework.

Can the use of DSLs reduce the testing burden?

Broadband service is based on DSL, cable modem, telephone (T1 and T3 lines), and satellite technologies.

The article also talked about model-to-model transformation support, which provides you the option to work in UML or in DSL.

If you're into DSLs, you *have* to watch this video.

We'll see other examples later and learn how to write our own as we get more advanced (see Chapter 11, Domain-Specific Languages in Scala).

DSLs, on the other hand, enforce reuse of the libraries that are utilized by the DSL implementation.

This is required if you are directly connected to internet (cable, DSL, T1).

This is because there is typically a lot of commonality even between diverse DSLs.

This is used heavily in DSLs that build internal data structures.

This is where DSL plays a large role.

For example, to create a recipe DSL, you need a way to capture quantities.

If you have a dial-up connection, it takes a lot longer to download files than if you have a broadband connection, such as DSL or cable.

On the other hand, DSLs written in generic languages just work.

Once installed you'll be able to generate easily PDF with a DSL-ish approach (example excerpted from a Prawn sample)

DSL with too many elements (often a result of not identifying patterns) or the model element instances end up in the metamodel

Keep the scope limited; address a small part of your domain and don't try to make the DSL a general programming language

The benefit in this approach is in creating the DSL, and several JRuby language techniques were presented to make developing DSLs easier

These DSLs could be combinations of UML profiles, little languages or full DSLs implemented specifically for the service domain

The Application of DSL Comprehensive Business Platform Technique in the Communication Guarantee

A DSL is a language, that is, a collection of sentences in a textual or visual notation with a formally defined syntax and semantics

Operator overloading - overloading operator allows the DSL to provide a natural syntax

Now that you've seen how to implement time in the calendar DSL, the Appointment class, shown in Listing 5, is straightforward

ion: Essentially modeling with particular focus on IT resource modeling and DSL support

To take full advantage of using JRuby in creating the DSL, tips on style were provided

Universal Bit-loading Algorithm for DSL Communication Systems

Development Status and Market Foreground of European Wireless DSL

Application of DSL technology to the data transmission of VSP well logging

Modelling, but in particular, Xtext as a textual modelling language and DSL

Common Questions and Their Solutions in DSL Maintenance

Development and Application of DSL Type Bucket Conveyor for Hot Dregs

Design and implementation of DSL-Based access solutions

New time delay algorithm of time domain equalizer for DSL systems

Bi-directional transformation of AUTOSAR UML and DSL models

Testing and Analysis Methods of Twisted Pairs Cable in DSL Systems

UML-based domain-specific language (DSL) support

Bi-directional transformation of DSL models to UML models

Active termination in DSL driver circuit design

Development Situation of Global DSL Market

The following DSL config was found on your system

Challenges from New DSL Hotspot for BBN Operators

DSL with the wrong context, with failure to separate concerns (such as mixing persistence details and user interface details)

Offers a DSL for UI definition, actions, and testing

DSL with too many constraints, a result of rigid structure (for example, configuration details for a complex application)

Research and implementation of DSL network based on soft switch environment