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What is waiting?

Waiting is a lightweight library crafted to simplify the task of waiting for certain conditions to be fulfilled. It essentially halts execution until a specified function evaluates to True, providing a variety of operational modes to choose from. Furthermore, Waiting integrates smoothly with flux for simulating timelines, making it even more versatile. The most straightforward way to use it involves supplying a function for monitoring, and it is easy to wait indefinitely; if your predicate produces a result, that result becomes the output of wait(). Additionally, you can establish a timeout period, and if this time elapses without the predicate being satisfied, an exception will be raised. By default, the library checks the predicate every second, but this interval can be modified using the sleep_seconds parameter. When working with multiple predicates, Waiting presents two effective aggregation methods: any and all. These methods resemble Python's built-in any() and all(), but they ensure that a predicate is not called more often than necessary, which is especially advantageous for predicates that are resource-heavy and time-consuming. By optimizing these functions, Waiting significantly improves both the efficiency of asynchronous operations and the overall user experience, making it an essential tool for developers. In summary, this library not only simplifies waiting processes but also enhances performance through its thoughtful design.

What is FF4J?

Streamlining feature flags in Java facilitates the dynamic toggling of features without requiring a redeployment of the application. This approach allows for the execution of different code paths through predicates evaluated during runtime, thus enabling more sophisticated conditional logic (if/then/else). Features can be activated based on flag values, as well as through role and group access controls, making it ideal for methodologies such as Canary Releases. It is compatible with multiple frameworks, starting with Spring Security, and allows for the development of custom predicates using the Strategy Pattern to ascertain whether a feature is operational. Numerous built-in predicates are provided, including whitelists, blacklists, time-based conditions, and expression evaluations. Furthermore, the system can connect to external sources like a Drools rule engine to improve decision-making processes. To ensure code remains clean and easy to read, it promotes the use of annotations to prevent complex nested if statements. Utilizing Spring AOP allows the target implementation to be dynamically defined at runtime, depending on the feature statuses. Each time a feature is executed, ff4j assesses the corresponding predicate, which enables the gathering of events and metrics for visualization in dashboards or tracking trends over time. This methodology not only simplifies the management of features but also significantly improves the monitoring and analytical capabilities of applications, ultimately leading to better operational insights and decision-making. Additionally, this flexibility allows developers to experiment with new functionalities in a controlled manner, promoting innovation while minimizing risks.

Media

Media

Integrations Supported

Amazon DynamoDB
Apache HBase
ArangoDB
Couchbase
Docker
Drools
Eureka ERP
Flux
HashiCorp Consul
Hazelcast
Ignite
MariaDB
MongoDB
Neo4j
Oracle Database
PostgreSQL
Python
Redis
SQL Server
Terracotta

Integrations Supported

Amazon DynamoDB
Apache HBase
ArangoDB
Couchbase
Docker
Drools
Eureka ERP
Flux
HashiCorp Consul
Hazelcast
Ignite
MariaDB
MongoDB
Neo4j
Oracle Database
PostgreSQL
Python
Redis
SQL Server
Terracotta

API Availability

Has API

API Availability

Has API

Pricing Information

Free
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Python Software Foundation

Company Location

United States

Company Website

pypi.org/project/waiting/

Company Facts

Organization Name

FF4J

Company Website

ff4j.org

Categories and Features

Categories and Features

Feature Management

A/B Testing
Entitlement Management
Feature Alerts
Feature Flag / Toggle
Feature Rollout Management
KPI Monitoring
Kill Switch
Multivariate Testing
Product Experimentation
Whitelist Creation

Popular Alternatives

Popular Alternatives

waiting Reviews & Ratings

waiting

Python Software Foundation