ThemisDB/examples/sharding_demo.cpp at develop · makr-code/ThemisDB · GitHub

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/*
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║ ThemisDB - Hybrid Database System                                   ║
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  File:            sharding_demo.cpp                                  ║
  Version:         0.0.34                                             ║
  Last Modified:   2026-03-09 03:52:20                                ║
  Author:          unknown                                            ║
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  Quality Metrics:                                                    ║
    • Maturity Level:  🟢 PRODUCTION-READY                             ║
    • Quality Score:   100.0/100                                      ║
    • Total Lines:     48                                             ║
    • Open Issues:     TODOs: 0, Stubs: 0                             ║
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  Revision History:                                                   ║
    • 2a1fb0423  2026-03-03  Merge branch 'develop' into copilot/audit-src-module-docu... ║
    • a629043ab  2026-02-22  Audit: document gaps found - benchmarks and stale annotat... ║
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  Status: ✅ Production Ready                                          ║
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 */

#include "sharding/urn.h"
#include "sharding/consistent_hash.h"
#include "sharding/shard_topology.h"
#include "sharding/urn_resolver.h"
#include <iostream>
#include <memory>

using namespace themis::sharding;

int main() {
    std::cout << "=== ThemisDB Horizontal Sharding Demo ===" << std::endl;

    // Create URN
    auto urn = URN::parse("urn:themis:relational:customers:users:550e8400-e29b-41d4-a716-446655440000");
    std::cout << "URN: " << urn->toString() << std::endl;

    // Setup hash ring
    auto hash_ring = std::make_shared<ConsistentHashRing>();
    hash_ring->addShard("shard_001", 150);
    hash_ring->addShard("shard_002", 150);

    std::cout << "Shards: " << hash_ring->getShardCount() << std::endl;
    std::cout << "Target shard: " << hash_ring->getShardForURN(*urn) << std::endl;

    return 0;
}