Examples with JournalConfiguration com.questdb.store.factory.configuration.JournalConfiguration used on opensource projects

Example 6 with JournalConfiguration

use of com.questdb.store.factory.configuration.JournalConfiguration in project questdb by bluestreak01.

the class SimpleReplicationClientMain method main.

public static void main(String[] args) throws Exception {
    JournalConfiguration configuration = new JournalConfigurationBuilder().build(args[0]);
    Factory factory = new Factory(configuration, 1000, 1, 0);
    final JournalClient client = new JournalClient(factory);
    final Journal<Price> reader = factory.reader(Price.class, "price-copy");
    reader.setSequentialAccess(true);
    client.subscribe(Price.class, null, "price-copy", new JournalListener() {

        @Override
        public void onCommit() {
            int count = 0;
            long t = 0;
            for (Price p : JournalIterators.incrementBufferedIterator(reader)) {
                if (count == 0) {
                    t = p.getNanos();
                }
                count++;
            }
            System.out.println("took: " + (System.nanoTime() - t) + ", count=" + count);
        }

        @Override
        public void onEvent(int event) {
            System.out.println("There was an error");
        }
    });
    client.start();
    System.out.println("Client started");
}

Example 7 with JournalConfiguration

use of com.questdb.store.factory.configuration.JournalConfiguration in project questdb by bluestreak01.

the class SimpleReplicationServerMain method start.

public void start() throws Exception {
    JournalConfiguration configuration = new JournalConfigurationBuilder().build(location);
    Factory factory = new Factory(configuration, 1000, 1, 0);
    JournalServer server = new JournalServer(factory);
    JournalWriter<Price> writer = factory.writer(Price.class);
    server.publish(writer);
    server.start();
    System.out.print("Publishing: ");
    for (int i = 0; i < 10; i++) {
        publishPrice(writer, i < 3 ? 1000000 : 100);
        Thread.sleep(TimeUnit.SECONDS.toMillis(2));
        System.out.print('.');
    }
    System.out.println(" [Done]");
}

Example 8 with JournalConfiguration

use of com.questdb.store.factory.configuration.JournalConfiguration in project questdb by bluestreak01.

the class SslReplicationClientMain method main.

public static void main(String[] args) throws Exception {
    JournalConfiguration configuration = new JournalConfigurationBuilder().build(args[0]);
    Factory factory = new Factory(configuration, 1000, 1, 0);
    final JournalClient client = new JournalClient(new ClientConfig() {

        {
            getSslConfig().setSecure(true);
            try (InputStream is = this.getClass().getResourceAsStream("/keystore/singlekey.ks")) {
                getSslConfig().setTrustStore(is, "changeit");
            }
        }
    }, factory);
    final Journal<Price> reader = factory.reader(Price.class, "price-copy");
    reader.setSequentialAccess(true);
    client.subscribe(Price.class, null, "price-copy", new JournalListener() {

        @Override
        public void onCommit() {
            int count = 0;
            long t = 0;
            for (Price p : JournalIterators.incrementBufferedIterator(reader)) {
                if (count == 0) {
                    t = p.getNanos();
                }
                count++;
            }
            System.out.println("took: " + (System.nanoTime() - t) + ", count=" + count);
        }

        @Override
        public void onEvent(int event) {
            System.out.println("There was an error");
        }
    });
    client.start();
    System.out.println("Client started");
}

Example 9 with JournalConfiguration

use of com.questdb.store.factory.configuration.JournalConfiguration in project questdb by bluestreak01.

the class AppendObjectTimeSeries method main.

/**
 * Appends 1 million quotes to journal. Timestamp values are in chronological order.
 */
public static void main(String[] args) throws JournalException {
    if (args.length != 1) {
        System.out.println("Usage: " + AppendObjectTimeSeries.class.getName() + " <path>");
        System.exit(1);
    }
    String journalLocation = args[0];
    JournalConfiguration configuration = new JournalConfigurationBuilder() {

        {
            $(Quote.class, "quote").$ts();
        }
    }.build(journalLocation);
    try (Factory factory = new Factory(configuration, 1000, 1, 0)) {
        // delete existing quote journal
        Files.delete(new File(configuration.getJournalBase(), "quote"));
        try (JournalWriter<Quote> writer = factory.writer(Quote.class)) {
            final int count = 1000000;
            final String[] symbols = { "AGK.L", "BP.L", "TLW.L", "ABF.L", "LLOY.L", "BT-A.L", "WTB.L", "RRS.L", "ADM.L", "GKN.L", "HSBA.L" };
            final Random r = new Random(System.currentTimeMillis());
            // reuse same same instance of Quote class to keep GC under control
            final Quote q = new Quote();
            long t = System.nanoTime();
            for (int i = 0; i < count; i++) {
                // prepare object for new set of data
                q.clear();
                // generate some data
                q.setSym(symbols[Math.abs(r.nextInt() % (symbols.length - 1))]);
                q.setAsk(Math.abs(r.nextDouble()));
                q.setBid(Math.abs(r.nextDouble()));
                q.setAskSize(Math.abs(r.nextInt() % 10000));
                q.setBidSize(Math.abs(r.nextInt() % 10000));
                q.setEx("LXE");
                q.setMode("Fast trading");
                q.setTimestamp(System.currentTimeMillis());
                writer.append(q);
            }
            // commit is necessary
            writer.commit();
            System.out.println("Journal size: " + writer.size());
            System.out.println("Generated " + count + " objects in " + TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - t) + "ms.");
        }
    }
}

Example 10 with JournalConfiguration

use of com.questdb.store.factory.configuration.JournalConfiguration in project questdb by bluestreak01.

the class AuthReplicationServerMain method start.

public void start() throws Exception {
    JournalConfiguration configuration = new JournalConfigurationBuilder().build(location);
    Factory factory = new Factory(configuration, 1000, 2, 0);
    JournalServer server = new JournalServer(factory, (token, requestedKeys) -> "MY SECRET".equals(new String(token, "UTF8")));
    JournalWriter<Price> writer = factory.writer(Price.class);
    server.publish(writer);
    server.start();
    System.out.print("Publishing: ");
    for (int i = 0; i < 10; i++) {
        publishPrice(writer, i < 3 ? 1000000 : 100);
        Thread.sleep(TimeUnit.SECONDS.toMillis(2));
        System.out.print('.');
    }
    System.out.println(" [Done]");
}