Examples with JournalClient com.questdb.net.ha.JournalClient used on opensource projects

Example 1 with JournalClient

use of com.questdb.net.ha.JournalClient in project questdb by bluestreak01.

the class AuthReplicationClientMain method main.

public static void main(String[] args) throws Exception {
    JournalConfiguration configuration = new JournalConfigurationBuilder().build(args[0]);
    Factory factory = new Factory(configuration);
    final JournalClient client = new JournalClient(factory, () -> "MY SECRET".getBytes("UTF8"));
    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 2 with JournalClient

use of com.questdb.net.ha.JournalClient 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 3 with JournalClient

use of com.questdb.net.ha.JournalClient 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 4 with JournalClient

use of com.questdb.net.ha.JournalClient in project questdb by bluestreak01.

the class ClusterConsumerMain method main.

public static void main(String[] args) throws Exception {
    final JournalConfiguration configuration = new JournalConfigurationBuilder() {

        {
            $(Price.class).$ts();
        }
    }.build(args[0]);
    final Factory factory = new Factory(configuration, 1000, 1, 0);
    final JournalClient client = new JournalClient(new ClientConfig("127.0.0.1:7080,127.0.0.1:7090") {

        {
            getReconnectPolicy().setRetryCount(6);
            getReconnectPolicy().setSleepBetweenRetriesMillis(1);
            getReconnectPolicy().setLoginRetryCount(2);
        }
    }, factory);
    final Journal<Price> reader = factory.reader(new JournalKey<>(Price.class, "price-copy", PartitionBy.NONE, 1000000000));
    reader.setSequentialAccess(true);
    client.subscribe(Price.class, null, "price-copy", 1000000000, 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++;
            }
            if (t == 0) {
                System.out.println("no data received");
            } else {
                System.out.println("took: " + (System.currentTimeMillis() - t) + ", count=" + count);
            }
        }

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