expression-engine

Zhuanzhuan Tech

Apr 28, 2025 · Backend Development

Design and Evolution of ZhiZhi Checkout Payment Routing System

This article presents an in‑depth analysis of the ZhiZhi checkout payment routing system, covering its historical evolution from basic configuration to rule‑engine and modular construction modes, detailing architecture, expression engine implementation, automatic anomaly detection, and future outlook for scalability and AI integration.

Exception Handlingbackend architectureexpression-engine

0 likes · 28 min read

Design and Evolution of ZhiZhi Checkout Payment Routing System

Code Ape Tech Column

Mar 24, 2025 · Backend Development

Overview of Common Java Expression Engines and Utility Classes

This article provides a comprehensive overview of popular Java expression engines—including Spring EL, OGNL, Aviator, MVEL2—and demonstrates how the Hutool facade unifies them with utility classes, offering developers a clear guide to choose and integrate the right engine for their backend applications.

HutoolJavaOGNL

0 likes · 16 min read

Overview of Common Java Expression Engines and Utility Classes

Code Ape Tech Column

Mar 12, 2025 · Backend Development

AviatorScript: Features, Usage, and Spring Boot Integration for Expression Evaluation and Validation

This article introduces AviatorScript, a lightweight high‑performance JVM‑based scripting language, outlines its core features and limitations, demonstrates how to add it to a Maven project, shows expression evaluation, variable handling, custom functions, script files, and provides a practical Spring Boot AOP validation example with full code snippets.

AOPJavaSpring Boot

0 likes · 18 min read

AviatorScript: Features, Usage, and Spring Boot Integration for Expression Evaluation and Validation

Java Tech Enthusiast

Jan 6, 2025 · Backend Development

Overview of Common Java Expression Engines and Utility Wrappers

The article surveys popular Java expression engines—including Spring Expression Language, OGNL, Aviator, and MVEL2—detailing their key features and providing lightweight utility wrappers, and highlights Hutool’s unified façade that can encapsulate these engines to simplify dynamic rule evaluation in backend applications.

HutoolJavaOGNL

0 likes · 12 min read

Overview of Common Java Expression Engines and Utility Wrappers

Selected Java Interview Questions

Nov 14, 2024 · Backend Development

AviatorScript: High‑Performance JVM‑Based Expression Engine and Scripting Language – Features and Usage Guide

This article introduces AviatorScript, a lightweight high‑performance expression engine and scripting language for the JVM (including Android), outlines its core features, demonstrates basic expression evaluation, variable handling, built‑in and custom functions, and shows how to run full scripts with code examples.

JVMJavaScripting Language

0 likes · 8 min read

AviatorScript: High‑Performance JVM‑Based Expression Engine and Scripting Language – Features and Usage Guide

Code Ape Tech Column

Nov 12, 2024 · Backend Development

A Quick Introduction to Aviator: A Lightweight JVM Expression Engine and Script Language

This article introduces Aviator, a high‑performance, lightweight JVM‑based expression engine that has evolved into AviatorScript, covering its core features, typical use cases, basic syntax, variable handling, built‑in and custom functions, and how to run scripts with code examples.

Javaaviatorbackend

0 likes · 9 min read

A Quick Introduction to Aviator: A Lightweight JVM Expression Engine and Script Language

Zhuanzhuan Tech

Jul 24, 2024 · Backend Development

Applying MVEL Expression Engine for Business Indicator Calculations: Design, Performance Comparison, and Migration Strategy

This article examines the challenges of scaling store settlement calculations, evaluates several Java expression engines, selects MVEL for its performance and community support, and details the architectural redesign, database schema, caching strategy, and step‑by‑step migration process for integrating the engine into a backend system.

CacheDatabase DesignJava

0 likes · 14 min read

Applying MVEL Expression Engine for Business Indicator Calculations: Design, Performance Comparison, and Migration Strategy

Java Tech Enthusiast

Oct 2, 2023 · Backend Development

AviatorScript: High‑Performance JVM Expression Engine – Features, Usage, and Examples

AviatorScript is a lightweight, high‑performance JVM expression engine and full‑featured scripting language that supports Java‑like operators, first‑class functions, closures, high‑precision arithmetic, script syntax, modularity, sandboxing, and can compile to bytecode for fast rule‑engine, formula, and ELT use cases.

JVMJavaaviator

0 likes · 8 min read

AviatorScript: High‑Performance JVM Expression Engine – Features, Usage, and Examples

Architecture Digest

Sep 20, 2023 · Backend Development

Aviator: A Lightweight High‑Performance JVM Expression Engine and Script Language

This article introduces Aviator, a lightweight high‑performance JVM‑based expression engine that evolved into AviatorScript, detailing its core features, typical use cases, basic syntax, variable handling, built‑in and custom functions, and how to run scripts and compile expressions.

JVMJavaaviator

0 likes · 8 min read

Aviator: A Lightweight High‑Performance JVM Expression Engine and Script Language

Code Ape Tech Column

Sep 4, 2023 · Backend Development

A Comprehensive Introduction to Aviator: Lightweight JVM Expression Engine and Script Language

This article introduces Aviator, a high‑performance lightweight JVM‑based expression engine and script language, detailing its features, usage scenarios, code examples for evaluating expressions, variables, custom functions, and script execution, making it suitable for rule engines and dynamic calculations.

Javaaviatorexpression-engine

0 likes · 9 min read

A Comprehensive Introduction to Aviator: Lightweight JVM Expression Engine and Script Language

DaTaobao Tech

Dec 14, 2022 · Fundamentals

Design and Implementation of a Functional Expression Engine Using Parser Combinators in Swift

The article presents a Swift‑based functional expression engine built with parser combinators and a monadic parser abstraction, detailing its layered architecture, grammar, expression‑tree representation, and performance benchmarks that replace NSPredicate limitations with a fast, composable solution for evaluating nested, configurable string expressions.

Functional ProgrammingMonadParser Combinators

0 likes · 21 min read

Design and Implementation of a Functional Expression Engine Using Parser Combinators in Swift

Zhuanzhuan Tech

Aug 3, 2022 · Backend Development

Rule Engine Definition, Execution, and Its Implementation in ZhiZhuan Risk Control

This article explains the concept and execution methods of rule engines, describes the forward‑link inference approach used by ZhiZhuan’s risk‑control engine, and details the evolution from hard‑coded rules to feature‑engineered expressions using the Aviator expression engine, highlighting configuration, data sources, and practical examples.

backend developmentexpression-enginefeature engineering

0 likes · 13 min read

Rule Engine Definition, Execution, and Its Implementation in ZhiZhuan Risk Control

Zhuanzhuan Tech

Mar 16, 2022 · Backend Development

Refactoring Zhaunzhuan App Backend Routing with the Aviator Expression Engine

The article describes how the Zhaunzhuan app backend team replaced a hard‑coded Map‑based routing configuration with a rule‑driven Aviator expression engine, detailing the problem analysis, engine selection, architectural redesign, code changes, a deployment incident, and the resulting improvements in flexibility, maintainability, and performance.

Javaaviatorbackend

0 likes · 10 min read

Refactoring Zhaunzhuan App Backend Routing with the Aviator Expression Engine

Spring Full-Stack Practical Cases

Apr 21, 2021 · Backend Development

Mastering Aviator: Advanced Java Expression Engine Examples

This guide demonstrates how to use the Aviator 5.2.5 expression engine on Java 8 with practical examples covering ternary operators, regex matching, variable shortcuts, nil handling, date comparisons, big number calculations, the powerful seq library, execution modes, and debugging techniques.

BigDecimalJavaaviator

0 likes · 7 min read

Mastering Aviator: Advanced Java Expression Engine Examples

Spring Full-Stack Practical Cases

Apr 20, 2021 · Backend Development

Mastering Aviator: A High‑Performance Java Expression Engine for Backend Development

Aviator is a lightweight, high‑performance Java expression evaluation engine that compiles expressions to JVM bytecode, offering rich operator support, custom functions, variable handling, and compilation for reuse, while detailing its features, limitations, dependency setup, and multiple code examples for practical backend integration.

Code SamplesCustom FunctionsJava

0 likes · 9 min read

Mastering Aviator: A High‑Performance Java Expression Engine for Backend Development