Examples of com.impetus.kundera.client.Client

com.impetus.kundera.client.Client
In Kundera, Clients act as a translator of JPA calls to datastore-specific respective operations call. Clients are constructed via {@link ClientFactory} that are configurable in persistence.xml. This makes itpossible for user to choose a {@link Client} implementation for a particularpersistence unit. Client API defines methods that are required to be implemented by various clients implementations (Thrift, Mongo etc). Any new addition of datastore support must implement this API. This is because kundera-core - after initialization, caching etc, calls clients methods to read from/ write into datastores. @author vivek.mishra

    }


    private void onExecuteScript()
    {
        Map<String, Client<Query>> clients = (Map<String, Client<Query>>) em.getDelegate();
        Client client = clients.get(_PU);


        String jScript = "db.system.js.save({ _id: \"echoFunction\",value : function(x) { return x; }})";
        Object result = ( client).executeScript(jScript);
        Assert.assertNull(result);
        String findOneJScript = "db.PERSON.findOne()";

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    public void onFilterOperation()
    {
        init();


        Map<String, Client> clients = (Map<String, Client>) em.getDelegate();
        Client client = clients.get("hbaseTest");


        Filter f/* = new QualifierFilter() */;
        f = new SingleColumnValueFilter("PERSON_NAME".getBytes(), "PERSON_NAME".getBytes(), CompareOp.EQUAL,
                "vivek".getBytes());

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    private EntityManager createEM()
    {
        EntityManager em = emf.createEntityManager();
        Map<String, Client> clients = (Map<String, Client>) em.getDelegate();
        Client client = clients.get("ds_pu");
        ((CassandraClientBase) client).setCqlVersion("3.0.0");
        return em;
    }

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        UUID timeLineId = UUID.randomUUID();
        UserTimeLine key = new UserTimeLine("mevivs", 1, timeLineId);
        onCRUD(em, key);
        em = emf.createEntityManager();
        Map<String, Client> clients = (Map<String, Client>) em.getDelegate();
        Client client = clients.get(PERSISTENCE_UNIT);
        ((CassandraClientBase) client).setCqlVersion("3.0.0");
        PrimeUser result = em.find(PrimeUser.class, key);
        Assert.assertNotNull(result);
        Assert.assertEquals("After merge", result.getTweetBody()); // assertion
                                                                   // of newly

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        UUID timeLineId = UUID.randomUUID();
        UserTimeLine key = new UserTimeLine("mevivs", 1, timeLineId);
        onCRUD(em, key);
        em = emf.createEntityManager();
        Map<String, Client> clients = (Map<String, Client>) em.getDelegate();
        Client client = clients.get(PERSISTENCE_UNIT);
        PrimeUser result = em.find(PrimeUser.class, key);
        Assert.assertNotNull(result);
        Assert.assertEquals(currentDate.getTime(), result.getTweetDate().getTime()); // assertion
                                                                                     // of
                                                                                     // changed

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        UUID timeLineId = UUID.randomUUID();


        UserTimeLine key = new UserTimeLine("mevivs", 1, timeLineId);


        Map<String, Client> clients = (Map<String, Client>) em.getDelegate();
        Client client = clients.get(PERSISTENCE_UNIT);
        ((CassandraClientBase) client).setCqlVersion("3.0.0");


        PrimeUser user = new PrimeUser(key);
        user.setTweetBody("my first tweet");
        user.setTweetDate(currentDate);

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        EntityManager em = emf.createEntityManager();


        UUID timeLineId = UUID.randomUUID();
        UserTimeLine key = new UserTimeLine("mevivs", 1, timeLineId);
        Map<String, Client> clients = (Map<String, Client>) em.getDelegate();
        Client client = clients.get(PERSISTENCE_UNIT);
        ((CassandraClientBase) client).setCqlVersion(CassandraConstants.CQL_VERSION_3_0);


        PrimeUser user1 = new PrimeUser(key);
        user1.setTweetBody("my first tweet");
        user1.setTweetDate(currentDate);

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        EntityManager em = emf.createEntityManager();


        UUID timeLineId = UUID.randomUUID();
        UserTimeLine key = new UserTimeLine("mevivs", 1, timeLineId);
        Map<String, Client> clients = (Map<String, Client>) em.getDelegate();
        Client client = clients.get(PERSISTENCE_UNIT);
        ((CassandraClientBase) client).setCqlVersion(CassandraConstants.CQL_VERSION_3_0);


        PrimeUser user1 = new PrimeUser(key);
        user1.setTweetBody("my first tweet");
        user1.setTweetDate(currentDate);

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        EntityManager em = emf.createEntityManager();


        UUID timeLineId = UUID.randomUUID();
        UserTimeLine key = new UserTimeLine("mevivs", 1, timeLineId);
        Map<String, Client> clients = (Map<String, Client>) em.getDelegate();
        Client client = clients.get(PERSISTENCE_UNIT);
        ((CassandraClientBase) client).setCqlVersion(CassandraConstants.CQL_VERSION_3_0);


        PrimeUser user1 = new PrimeUser(key);
        user1.setTweetBody("my first tweet");
        user1.setTweetDate(currentDate);

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        for (int i = 0; i < 500; i++)
        {
            UserTimeLine key = new UserTimeLine("mevivs", i, timeLineId);
            Map<String, Client> clients = (Map<String, Client>) em.getDelegate();
            Client client = clients.get(PERSISTENCE_UNIT);
            ((CassandraClientBase) client).setCqlVersion(CassandraConstants.CQL_VERSION_3_0);
            PrimeUser user = new PrimeUser(key);
            user.setTweetBody("my first tweet");
            user.setTweetDate(currentDate);
            em.persist(user);

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Related Classes of com.impetus.kundera.client.Client

com.impetus.client.cassandra.config.CassandraPropertySetterTest

com.impetus.client.cassandra.crud.compositeType.association.UserInfoTest

com.impetus.client.cassandra.query.CassQuery

com.impetus.client.crud.compositeType.CassandraCompositeTypeOrderByTest

com.impetus.client.crud.compositeType.CassandraCompositeTypeTest

com.impetus.client.crud.compositeType.CompositeDataTypeTest

com.impetus.client.crud.compositeType.LuceneCompositeKeyTest

com.impetus.client.crud.PersonMongoTest

com.impetus.client.hbase.config.HbasePropertySetterTest

com.impetus.client.hbase.crud.PersonHBaseTest

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