A guide to Los Angeles architecture including buildings and styles

design patterns gang of four

This is useful when we want to change the behavior of an object based on its state. The Composite pattern allows us to compose objects into tree structures to represent part-whole hierarchies. This is useful when we want to treat individual objects and groups of objects in the same way. The Singleton pattern ensures that only one instance of a class is created in the system. This is useful when we need to limit the number of instances of a class, such as a database connection or a configuration object.

Behavioral patterns

Behavioral Design Patterns focus on the communication between objects. These patterns ensure that if we need to change the behavior of one part of the system (like assigning a new task to a developer), it won’t disrupt the entire system. They hide the complicated details of how we manage interactions, just like a project manager who seamlessly coordinates various team members to achieve project goals.

A guide to Los Angeles architecture

Design Patterns: Magic or Myth? - InfoQ.com

Design Patterns: Magic or Myth?.

Posted: Sat, 04 Jan 2014 08:00:00 GMT [source]

Overlapping terracotta pantiles co-ordinate with pale yellow or ochre exteriors. Stucco exteriors are often painted in bright, earthy tones, and flat roofs reflect the excessive summer heat. Roof terraces and balconies are sometimes seen, and there is a definite focus on integrating exterior and interior spaces. Owners often incorporate old-world details such as stained glass, stone flagstones, or mullioned windows. Arches and curves add geometric interest to these homes’ exteriors, which often reveal their interior structure. Hybrid cottage styles might include small porches and gabled dormers in attic stories.

Common terms and phrases

When developers use these patterns, it’s like building a puzzle where the pieces fit together easily, making the software more organized, easy to change, and less likely to break when we need to add or change things. So it’s like having a guide to make sure all the parts of your software work together smoothly. A Structural Design pattern is like a recipe for putting together different objects and classes to build a bigger structure.

design patterns gang of four

These homes can be quite tall with steeply sloped roofs and multiple floors. They are often half-timbered, with wood paneling on the upper levels and stone or brickwork below. The large covered front porches of these Craftsman-style homes are a crucial attribute, emphasizing relaxation and welcome. Much larger footprints characterize contemporary homes built from the 1980s to the present as living areas swelled in square footage.

Gated Communities in Los Angeles

The Strategy pattern defines a family of algorithms, encapsulates each one, and makes them interchangeable. This is useful when we want to allow clients to choose from a set of algorithms dynamically. The State pattern allows an object to alter its behavior when its internal state changes.

Structural Design Patterns

The Command pattern encapsulates a request as an object, which allows us to decouple the sender of the request from the receiver.

design patterns gang of four

LA architecture experts pick the city's most beautiful buildings

Structural patterns provide a manner to define relationships between classes or objects. In their book, the authors give their thoughts on how to build software following the object-oriented programming paradigm. This includes focusing on the use of interfaces to design how classes should appear to function to an outside observer, while leaving the actual implementation details hidden within the class. Likewise, they favor the use of object composition over inheritance - instead of inheriting functionality from another class, simply store an internal instance of that class and use the public methods it contains.

GoF Design Pattern Types

Red brick exteriors are common but always partnered with pastel-colored stonework or decorative painted wood. Original houses in this style are in huge demand, but modern variants continue to be built, which retain the cool, charming qualities that are essential to this type of home. In the 1940s, Frank Lloyd Wright, in particular, popularized a more accessible and site-specific style of Modern architecture, which softened some of the brutalism of earlier incarnations. Modern versions of this style usually keep the low-angled, projecting eaves and large porches, whilst substituting more modern materials, exteriors with light colors, and additional upper floor space. Natural materials such as stone and wood are preferred, with a focus on a high degree of craftsmanship and easy integration into natural surroundings.

Comfortable open-plan interiors were softened with designer furnishings, and these homes were often intended to be admired as works of art and showcases for design collections. Decorative arches and shady terraces are common features, as are projecting porches over heavy wooden front doors. Windows often are tall with shutters on either side, and where roofs are sloped, the angle tends to be shallow.

The Iterator pattern provides a way to access the elements of an aggregate object sequentially without exposing its underlying representation. This is useful when we want to traverse a collection of objects without knowing its internal structure. Victorian is something of a catch-all term for a number of styles, including Gothic Revival, Italianate, Second Empire, Romanesque, Stick Style, and Folk-Victorian, amongst others. These home styles have in common their highly decorative, even fussy, exteriors and their eclectic remodeling of English and European romanticism. Landscaping in the grander residences in this style might incorporate English-flavored elements such as rose-beds, walled gardens, and fruit trees. These homes are not for shrinking violets and definitely make a bold architectural statement.

Structural class-creation patterns use inheritance to compose interfaces. Structural object patterns define ways to compose objects to obtain new functionality. They can make the software design more flexible, reusable, and understandable. These patterns make sure that we create things in a way that’s not only easy but also flexible, so we can change them later if we need too.

It is a truly American style, originating in the 20s but becoming popular from the 40s to 70s. A post-war baby boom made it necessary to build many new homes quickly, and the simple construction and homely detailing of these houses made them popular with post-war homeowners. Normandy's provincial homes featured narrow-eave, steep-hipped roofs, with side-facing gables and sometimes an L-shaped plan placing the front door at the junction of the two wings. Dormer windows often project through the eaves, and these rustic-styled homes are finished in stucco, stone, or brick. Stonework window surrounds, louvered shutters, and delicate wrought iron touches are other signatures of this style. Cottage styles often incorporate idiosyncratic layouts, cozier rooms, and curving roof eaves sometimes finished with brickwork or mock-thatch.

Peaking in the 1920s and 1930s but still popular today, Mediterranean Revival style draws from an eclectic blend of Spanish Renaissance and Spanish Colonial, Italian Renaissance, Andalusian and Beaux-Arts influences. Commonly found in Florida and Southern California, these homes offer comfort and often integrate interior courtyards and landscaped gardens. Popular in America between 1915 and 1945, French-inspired styles were popularized by soldiers returning home from the World Wars. French Revival is really a cover-all term for several sub-styles, including Norman Cottage, Chateauesque, and French Eclectic. Inside, ceilings often feature exposed interior beams in a rustic style.

Anyone familiar with a city like Chicago and its grid-based street pattern may justifiably believe that Los Angeles was never planned. Still, the original designs of smaller planned communities in outlying areas such as Westwood and Palos Verdes Estates have achieved acclaim. Creational patterns often used in place of direct instantiation with constructors. In particular, they can provide a great deal of flexibility about which objects are created, how those objects are created, and how they are initialized.

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