core-rule-engine

Description

Rule engine design based on MVEL and Spring.

Features

• Rule execution based on MVEL expression stored in database and cache

IMPORTANT

This library is alpha version and is not ready for production use.

Usage

• Add dependency

    <dependency>
      <artifactId>core-rule-engine</artifactId>
      <groupId>tech.neatnet</groupId>
      <version>${core.rule.engine.version}</version>
    </dependency>

• Add configuration (Autorired)

    @Autowired
    private RuleEngine ruleEngine;

• Add sample rule through RuleController

    @Autowired
    private RuleController ruleController;

    @GetMapping("/addRule")
    public void testAddRule() {
        try {
            RuleMatrix rm = ruleController.saveRuleMatrix();
        } catch (Exception e) {
            log.error("Error creating RuleMatrix", e);
        }
        return HttpStatus.OK.toString();
    }

• Implement rule evaluation

    Optional<List<RuleExecutionResult>> ruleExecutionResults = ruleEngine.evaluateAllRules(
        signalRequest.getValues());

• Try it out

POST http://localhost:8080/signal
Content-Type: application/json

{
  "values": {
    "value": 11,
    "value2": "test",
    "value3": "test1"
  }
}