Enterprise Software & Distributed Systems
Built for Tomorrow.

// Cloudflare Worker Edge Cache & Geographic Route Dispatch
export default {
  async fetch(request: Request, env: Env): Promise<Response> {
    const cache = caches.default;
    const cachedResponse = await cache.match(request);
    if (cachedResponse) {
      return new Response(cachedResponse.body, {
        headers: { "X-Datum-Edge-Status": "HIT-EDGE-POP" }
      });
    }
    const originResponse = await fetch(request, { cf: { cacheTtl: 300 } });
    await cache.put(request, originResponse.clone());
    return originResponse;
  }
};

// Idempotent Transaction Controller in Spring Boot 3
@RestController
@RequestMapping("/api/v2/transactions")
public class TransactionClusterController {

    @PostMapping
    public ResponseEntity<TransactionResponse> createTransaction(
            @RequestHeader("Idempotency-Key") UUID idempotencyKey,
            @Valid @RequestBody TransactionRequest payload) {
        
        return idempotencyService.computeIfAbsent(idempotencyKey, () -> {
            return transactionOrchestrator.commit(payload);
        });
    }
}

-- PostgreSQL Row Level Security Policy Definition
ALTER TABLE enterprise_tenant_records ENABLE ROW LEVEL SECURITY;

CREATE POLICY tenant_isolation_policy ON enterprise_tenant_records
    FOR ALL
    USING (
        tenant_id = current_setting('app.current_tenant_id', true)::uuid
    )
    WITH CHECK (
        tenant_id = current_setting('app.current_tenant_id', true)::uuid
    );