TestIdGenerator.java

package ddth.dasp.test;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import ddth.dasp.common.id.IdGenerator;
import ddth.dasp.test.utils.Benchmark;
import ddth.dasp.test.utils.BenchmarkResult;
import ddth.dasp.test.utils.Operation;

public class TestIdGenerator {
    private static void testIdGen() {
        final Map<Object, Boolean> map = new ConcurrentHashMap<Object, Boolean>();
        final IdGenerator ID_GENERATOR = IdGenerator.getInstance(IdGenerator.getMacAddr());

        BenchmarkResult result = new Benchmark(new Operation() {
            @Override
            public void run(int runId) {
                // long commentId = ID_GENERATOR.generateId64();
                long commentId = ID_GENERATOR.generateId48();
                Object id = commentId;
                // final StringBuffer commentIdHex = new
                // StringBuffer(Long.toHexString(commentId));
                // while (commentIdHex.length() < 16) {
                // commentIdHex.insert(0, '0');
                // }
                // String id = commentIdHex.toString();
                if (map.containsKey(id)) {
                    System.out.println("Was generated: " + commentId);
                } else {
                    map.put(id, Boolean.TRUE);
                }
            }

        }, 1000000, 16).run();
        System.out.println(result.summarize());
    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        for (int i = 0; i < 10; i++) {
            testIdGen();
        }
    }
}