From f009bea3b0d5173ef666b7d86997c2087c59984f Mon Sep 17 00:00:00 2001 From: Tamer Tas Date: Tue, 13 Sep 2016 15:41:40 +0300 Subject: [PATCH] README: include implementation status for patterns --- README.md | 147 +++++++++++++++++++++++++++--------------------------- 1 file changed, 74 insertions(+), 73 deletions(-) diff --git a/README.md b/README.md index f426e70..93d84ad 100644 --- a/README.md +++ b/README.md @@ -13,106 +13,107 @@ A curated collection of idiomatic design & application patterns for Go language. ## Creational Patterns -| Pattern | Description | -|:-------:| :---------- | -| TODO: [Abstract Factory](creational/abstract_factory.md) | Provides an interface for creating families of releated objects | -| TODO: [Builder](creational/builder.md) | Builds a complex object using simple objects | -| TODO: [Factory Method](creational/factory.md) | Defers instantiation of an object to a specialized function for creating instances | -| [Object Pool](creational/object_pool.md) | Instantiates and maintains a group of objects instances of the same type | -| [Singleton](creational/singleton.md) | Restricts instantiation of a type to one object | +| Pattern | Description | Status | +|:-------:|:----------- |:------:| +| [Abstract Factory](creational/abstract_factory.md) | Provides an interface for creating families of releated objects | ✘ | +| [Builder](creational/builder.md) | Builds a complex object using simple objects | ✘ | +| [Factory Method](creational/factory.md) | Defers instantiation of an object to a specialized function for creating instances | ✘ | +| [Object Pool](creational/object_pool.md) | Instantiates and maintains a group of objects instances of the same type | ✔ | +| [Singleton](creational/singleton.md) | Restricts instantiation of a type to one object | ✔ | ## Structural Patterns -| Pattern | Description | -|:-------:| :---------- | -| TODO: [Adapter](structural/.md) | Adapts otherwise incompatible interfaces to work together by adapting one to the other | -| TODO: [Bridge](structural/bridge.md) | Decouples an interface from its implementation so that the two can vary independently | -| TODO: [Composite](structural/composite.md) | Encapsulates and provides access to a number of different objects | -| [Decorator](structural/decorator.md) | Adds behavior to an object, statically or dynamically | -| TODO: [Facade](structural/facade.md) | Uses one type as an API to a number of others | -| TODO: [Flyweight](structural/flyweight.md) | Reuses existing instances of objects with similar/identical state to minimize resource usage | -| TODO: [Model View Controller](structural/model_view_controller.md) | Divides an app into three interconnected parts to separate internal representation from presentation to user | -| TODO: [Proxy](structural/proxy.md) | Provides a surrogate for an object to control it's actions | +| Pattern | Description | Status | +|:-------:|:----------- |:------:| +| [Adapter](structural/.md) | Adapts otherwise incompatible interfaces to work together by adapting one to the other | ✘ | +| [Bridge](structural/bridge.md) | Decouples an interface from its implementation so that the two can vary independently | ✘ | +| [Composite](structural/composite.md) | Encapsulates and provides access to a number of different objects | ✘ | +| [Decorator](structural/decorator.md) | Adds behavior to an object, statically or dynamically | ✔ | +| [Facade](structural/facade.md) | Uses one type as an API to a number of others | ✘ | +| [Flyweight](structural/flyweight.md) | Reuses existing instances of objects with similar/identical state to minimize resource usage | ✘ | +| [Model View Controller](structural/model_view_controller.md) | Divides an app into three interconnected parts to separate internal representation from presentation to user | ✘ | +| [Proxy](structural/proxy.md) | Provides a surrogate for an object to control it's actions | ✘ | ## Behavioral Patterns -| Pattern | Description | -|:-------:| :---------- | -| TODO: [Chain of Responsibility](behavioral/chain_of_responsibility.md) | Avoids coupling a sender to receiver by giving more than object a chance to handle the request | -| TODO: [Command](behavioral/command.md) | Bundles a command and arguments to call later | -| TODO: [Mediator](behavioral/mediator.md) | Connects objects and acts as a proxy | -| TODO: [Memento](behavioral/memento.md) | Generate an opaque token that can be used to go back to a previous state | -| [Observer](behavioral/observer.md) | Provide a callback for notification of events/changes to data | -| TODO: [Registry](behavioral/registry.md) | Keep track of all subclasses of a given class | -| TODO: [State](behavioral/state.md) | Encapsulates varying behavior for the same object based on its internal state | -| [Strategy](behavioral/strategy.md) | Enables an algorithm's behavior to be selected at runtime | -| TODO: [Template](behavioral/template.md) | Defines a skeleton class which defers some methods to subclasses | -| TODO: [Visitor](behavioral/visitor.md) | Separates an algorithm from an object on which it operates | +| Pattern | Description | Status | +|:-------:|:----------- |:------:| +| [Chain of Responsibility](behavioral/chain_of_responsibility.md) | Avoids coupling a sender to receiver by giving more than object a chance to handle the request | ✘ | +| [Command](behavioral/command.md) | Bundles a command and arguments to call later | ✘ | +| [Mediator](behavioral/mediator.md) | Connects objects and acts as a proxy | ✘ | +| [Memento](behavioral/memento.md) | Generate an opaque token that can be used to go back to a previous state | ✘ | +| [Observer](behavioral/observer.md) | Provide a callback for notification of events/changes to data | ✔ | +| [Registry](behavioral/registry.md) | Keep track of all subclasses of a given class | ✘ | +| [State](behavioral/state.md) | Encapsulates varying behavior for the same object based on its internal state | ✘ | +| [Strategy](behavioral/strategy.md) | Enables an algorithm's behavior to be selected at runtime | ✔ | +| [Template](behavioral/template.md) | Defines a skeleton class which defers some methods to subclasses | ✘ | +| [Visitor](behavioral/visitor.md) | Separates an algorithm from an object on which it operates | ✘ | ## Synchronization Patterns -| Pattern | Description | -|:-------:| :---------- | -| TODO: [Condition Variable](synchronization/condition_variable.md) | Provides a mechanism for threads to temporarily give up access in order to wait for some condition | -| TODO: [Lock/Mutex](synchronization/mutex.md) | Enforces mutual exclusion limit on a resource to gain exclusive access | -| TODO: [Monitor](synchronization/monitor.md) | Combination of mutex and condition variable patterns | -| TODO: [Read-Write Lock](synchronization/read_write_lock.md) | Allows parallel read access, but only exclusive access on write operations to a resource | -| [Semaphore](synchronization/semaphore.md) | Allows controlling access to a common resource | +| Pattern | Description | Status | +|:-------:|:----------- |:------:| +| [Condition Variable](synchronization/condition_variable.md) | Provides a mechanism for threads to temporarily give up access in order to wait for some condition | ✘ | +| [Lock/Mutex](synchronization/mutex.md) | Enforces mutual exclusion limit on a resource to gain exclusive access | ✘ | +| [Monitor](synchronization/monitor.md) | Combination of mutex and condition variable patterns | ✘ | +| [Read-Write Lock](synchronization/read_write_lock.md) | Allows parallel read access, but only exclusive access on write operations to a resource | ✘ | +| [Semaphore](synchronization/semaphore.md) | Allows controlling access to a common resource | ✔ | ## Concurrency Patterns -| Pattern | Description | -|:-------:| :---------- | -| TODO: [N-Barrier](concurrency/barrier.md) | Prevents a process from proceeding until all N processes reach to the barrier | -| [Bounded Parallelism](concurrency/bounded_parallelism.md) | Completes large number of independent tasks with resource limits | -| TODO: [Broadcast](concurrency/broadcast.md) | Transfers a message to all recipients simultaneously | -| TODO: [Coroutines](concurrency/coroutine.md) | Subroutines that allow suspending and resuming execution at certain locations | -| TODO: [Generators](concurrency/generator.md) | Yields a sequence of values one at a time | -| TODO: [Reactor](concurrency/reactor.md) | Demultiplexes service requests delivered concurrently to a service handler and dispatches them syncronously to the associated request handlers | -| [Parallelism](concurrency/parallelism.md) | Completes large number of independent tasks | -| TODO: [Producer Consumer](concurrency/producer_consumer.md) | Separates tasks from task executions | -| TODO: [Scheduler](concurrency/scheduler.md) | Orchestrates steps to be performed as part of a task | +| Pattern | Description | Status | +|:-------:|:----------- |:------:| +| [N-Barrier](concurrency/barrier.md) | Prevents a process from proceeding until all N processes reach to the barrier | ✘ | +| [Bounded Parallelism](concurrency/bounded_parallelism.md) | Completes large number of independent tasks with resource limits | ✔ | +| [Broadcast](concurrency/broadcast.md) | Transfers a message to all recipients simultaneously | ✘ | +| [Coroutines](concurrency/coroutine.md) | Subroutines that allow suspending and resuming execution at certain locations | ✘ | +| [Generators](concurrency/generator.md) | Yields a sequence of values one at a time | ✘ | +| [Reactor](concurrency/reactor.md) | Demultiplexes service requests delivered concurrently to a service handler and dispatches them syncronously to the associated request handlers | ✘ | +| [Parallelism](concurrency/parallelism.md) | Completes large number of independent tasks | ✔ | +| [Producer Consumer](concurrency/producer_consumer.md) | Separates tasks from task executions | ✘ | +| [Scheduler](concurrency/scheduler.md) | Orchestrates steps to be performed as part of a task | ✘ | ## Messaging Patterns -| Pattern | Description | -|:-------:| :---------- | -| [Fan-In](messaging/fan_in.md) | Funnels tasks to a work sink (e.g. server) | -| [Fan-Out](messaging/fan_out.md) | Distributes tasks among workers (e.g. producer) | -| TODO: [Futures & Promises](messaging/futures_promises.md) | Acts as a place-holder of a result that is initially unknown for synchronization purposes | -| [Publish/Subscribe](messaging/publish_subscribe.md) | Passes information to a collection of recipients who subscribed to a topic | -| TODO: [Push & Pull](messaging/push_pull.md) | Distributes messages to multiple workers, arranged in a pipeline | +| Pattern | Description | Status | +|:-------:|:----------- |:------:| +| [Fan-In](messaging/fan_in.md) | Funnels tasks to a work sink (e.g. server) | ✔ | +| [Fan-Out](messaging/fan_out.md) | Distributes tasks among workers (e.g. producer) | ✔ | +| [Futures & Promises](messaging/futures_promises.md) | Acts as a place-holder of a result that is initially unknown for synchronization purposes | ✘ | +| [Publish/Subscribe](messaging/publish_subscribe.md) | Passes information to a collection of recipients who subscribed to a topic | ✔ | +| [Push & Pull](messaging/push_pull.md) | Distributes messages to multiple workers, arranged in a pipeline | ✘ | ## Stability Patterns -| Pattern | Description | -|:-------:| :---------- | -| TODO: [Bulkheads](stability/bulkhead.md) | Enforces a principle of failure containment (i.e. prevents cascading failures) | -| [Circuit-Breaker](stability/circuit_breaker.md) | Stops the flow of the requests when requests are likely to fail | -| TODO: [Deadline](stability/deadline.md) | Allows clients to stop waiting for a response once the probability of response becomes low (e.g. after waiting 10 seconds for a page refresh)| -| TODO: [Fail-Fast](stability/fail_fast.md) | Checks the availability of required resources at the start of a request and fails if the requirements are not satisfied | -| TODO: [Handshaking](stability/handshaking.md) | Asks a component if it can take any more load, if it can't the request is declined | -| TODO: [Steady-State](stability/steady_state.md) | For every service that accumulates a resource, some other service must recycle that resource | +| Pattern | Description | Status | +|:-------:|:----------- |:------:| +| [Bulkheads](stability/bulkhead.md) | Enforces a principle of failure containment (i.e. prevents cascading failures) | ✘ | +| [Circuit-Breaker](stability/circuit_breaker.md) | Stops the flow of the requests when requests are likely to fail | ✔ | +| [Deadline](stability/deadline.md) | Allows clients to stop waiting for a response once the probability of response becomes low (e.g. after waiting 10 seconds for a page refresh) | ✘ | +| [Fail-Fast](stability/fail_fast.md) | Checks the availability of required resources at the start of a request and fails if the requirements are not satisfied | ✘ | +| [Handshaking](stability/handshaking.md) | Asks a component if it can take any more load, if it can't the request is declined | ✘ | +| [Steady-State](stability/steady_state.md) | For every service that accumulates a resource, some other service must recycle that resource | ✘ | ## Profiling Patterns -| Pattern | Description | -|:-------:| :---------- | -| TODO: [Timing Functions](profiling/timing.md) | Wraps a function and logs the execution | +| Pattern | Description | Status | +|:-------:|:----------- |:------:| +| [Timing Functions](profiling/timing.md) | Wraps a function and logs the execution | ✘ | ## Idioms -| Pattern | Description | -|:-------:| :---------- | -| [Functional Options](idiom/functional-options.md) | Allows creating clean APIs with sane defaults and idiomatic overrides | +| Pattern | Description | Status | +|:-------:|:----------- |:------:| +| [Functional Options](idiom/functional-options.md) | Allows creating clean APIs with sane defaults and idiomatic overrides | ✔ | ## Anti-Patterns -| Pattern | Description | -|:-------:| :---------- | -| TODO: [Cascading Failures](antipatterns/cascading_failures.md) | A failure in a system of interconnected parts in which the failure of a part causes a domino effect | +| Pattern | Description | Status | +|:-------:|:----------- |:------:| +| [Cascading Failures](antipatterns/cascading_failures.md) | A failure in a system of interconnected parts in which the failure of a part causes a domino effect | ✘ | ## Other Patterns -| Pattern | Description | -|:-------:| :---------- | +| Pattern | Description | Status | +|:-------:|:----------- |:------:| +| | | | |