Examples of com.tinkerpop.gremlin.driver.Client

com.tinkerpop.gremlin.driver.Client
en.genoprime.com)


    @Test
    public void shouldEventuallySucceedWithRoundRobin() throws Exception {
        final String noGremlinServer = "74.125.225.19";
        final Cluster cluster = Cluster.build(noGremlinServer).addContactPoint("localhost").create();
        final Client client = cluster.connect();


        // the first host is dead on init.  request should succeed on localhost
        assertEquals(2, client.submit("1+1").all().join().get(0).getInt());
        assertEquals(2, client.submit("1+1").all().join().get(0).getInt());
        assertEquals(2, client.submit("1+1").all().join().get(0).getInt());
        assertEquals(2, client.submit("1+1").all().join().get(0).getInt());
        assertEquals(2, client.submit("1+1").all().join().get(0).getInt());


        cluster.close();
    }

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    }


    @Test
    public void shouldFailClientSideWithTooLargeAResponse() {
        final Cluster cluster = Cluster.build().maxContentLength(1).create();
        final Client client = cluster.connect();


        try {
            final String fatty = IntStream.range(0, 100).mapToObj(String::valueOf).collect(Collectors.joining());
            client.submit("'" + fatty + "'").all().get();
            fail("Should throw an exception.");
        } catch (Exception re) {
            // can't seem to catch the server side exception - as the channel is basically closed on this error
            // can only detect a closed channel and react to that.  in some ways this is a good general piece of
            // code to have in place, but kinda stinky when you want something specific about why all went bad

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    }


    @Test
    public void shouldExecuteScriptInSession() throws Exception {
        final Cluster cluster = Cluster.build().create();
        final Client client = cluster.connect(name.getMethodName());


        final ResultSet results1 = client.submit("x = [1,2,3,4,5,6,7,8,9]");
        final AtomicInteger counter = new AtomicInteger(0);
        results1.stream().map(i -> i.get(Integer.class) * 2).forEach(i -> assertEquals(counter.incrementAndGet() * 2, Integer.parseInt(i.toString())));


        final ResultSet results2 = client.submit("x[0]+1");
        assertEquals(2, results2.all().get().get(0).getInt());


        final ResultSet results3 = client.submit("x[1]+2");
        assertEquals(4, results3.all().get().get(0).getInt());


        cluster.close();
    }

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    }


    @Test
    public void shouldExecuteScriptInSessionOnTransactionalGraph() throws Exception {
        final Cluster cluster = Cluster.build().create();
        final Client client = cluster.connect(name.getMethodName());


        final Vertex vertexBeforeTx = client.submit("v=g.addVertex(\"name\",\"stephen\")").all().get().get(0).getVertex();
        assertEquals("stephen", vertexBeforeTx.iterators().valueIterator("name").next());


        final Vertex vertexFromV = client.submit("g.V().next()").all().get().get(0).getVertex();
        assertEquals("stephen", vertexFromV.iterators().valueIterator("name").next());


        final Vertex vertexFromBinding = client.submit("v").all().get().get(0).getVertex();
        assertEquals("stephen", vertexFromBinding.iterators().valueIterator("name").next());


        final Vertex vertexAfterTx = client.submit("v.property(\"color\",\"blue\"); g.tx().commit(); v").all().get().get(0).getVertex();
        assertEquals("stephen", vertexAfterTx.iterators().valueIterator("name").next());
        assertEquals("blue", vertexAfterTx.iterators().valueIterator("color").next());


        cluster.close();
    }

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    }


    @Test
    public void shouldExecuteScriptInSessionWithBindingsSavedOnServerBetweenRequests() throws Exception {
        final Cluster cluster = Cluster.build().create();
        final Client client = cluster.connect(name.getMethodName());


        final Map<String,Object> bindings1 = new HashMap<>();
        bindings1.put("a", 100);
        bindings1.put("b", 200);
        final ResultSet results1 = client.submit("x = a + b", bindings1);
        assertEquals(300, results1.one().getInt());


        final Map<String,Object> bindings2 = new HashMap<>();
        bindings2.put("b", 100);
        final ResultSet results2 = client.submit("x + b + a", bindings2);
        assertEquals(500, results2.one().getInt());


        final Map<String,Object> bindings3 = new HashMap<>();
        bindings3.put("x", 100);
        final ResultSet results3 = client.submit("x + b + a + 1", bindings3);
        assertEquals(301, results3.one().getInt());


        final Map<String,Object> bindings4 = new HashMap<>();
        final ResultSet results4 = client.submit("x + b + a + 1", bindings4);
        assertEquals(301, results4.one().getInt());


        cluster.close();
    }

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    }


    @Test
    public void shouldExecuteScriptsInMultipleSession() throws Exception {
        final Cluster cluster = Cluster.build().create();
        final Client client1 = cluster.connect(name.getMethodName() + "1");
        final Client client2 = cluster.connect(name.getMethodName() + "2");
        final Client client3 = cluster.connect(name.getMethodName() + "3");


        final ResultSet results11 = client1.submit("x = 1");
        final ResultSet results21 = client2.submit("x = 2");
        final ResultSet results31 = client3.submit("x = 3");
        assertEquals(1, results11.all().get().get(0).getInt());
        assertEquals(2, results21.all().get().get(0).getInt());
        assertEquals(3, results31.all().get().get(0).getInt());


        final ResultSet results12 = client1.submit("x + 100");
        final ResultSet results22 = client2.submit("x * 2");
        final ResultSet results32 = client3.submit("x * 10");
        assertEquals(101, results12.all().get().get(0).getInt());
        assertEquals(4, results22.all().get().get(0).getInt());
        assertEquals(30, results32.all().get().get(0).getInt());


        cluster.close();

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    }


    @Test
    public void shouldNotThrowNoSuchElementException() throws Exception {
        final Cluster cluster = Cluster.open();
        final Client client = cluster.connect();


        try {
            // this should return "nothing" - there should be no exception
            assertNull(client.submit("g.V().has('name','kadfjaldjfla')").one());
        } finally {
            cluster.close();
        }
    }

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    }


    @Test
    public void shouldReceiveFailureTimeOutOnScriptEval() throws Exception {
        final Cluster cluster = Cluster.open();
        final Client client = cluster.connect();


        try {
            client.submit("Thread.sleep(3000);'some-stuff-that-should not return'").all().join();
            fail("Should throw an exception.");
        } catch (RuntimeException re) {
            assertTrue(re.getCause().getCause().getMessage().startsWith("Script evaluation exceeded the configured threshold of 200 ms for request"));
        } finally {
            cluster.close();

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    }


    @Test
    public void shouldReceiveFailureTimeOutOnTotalSerialization() throws Exception {
        final Cluster cluster = Cluster.open();
        final Client client = cluster.connect();


        try {
            client.submit("(0..<100000)").all().join();
            fail("Should throw an exception.");
        } catch (RuntimeException re) {
            assertTrue(re.getCause().getMessage().endsWith("Serialization of the entire response exceeded the serializeResponseTimeout setting"));
        } finally {
            cluster.close();

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    }


    @Test
    public void shouldGarbageCollectPhantomButNotHard() throws Exception {
        final Cluster cluster = Cluster.open();
        final Client client = cluster.connect();


        assertEquals(2, client.submit("sum(1,1)").all().join().get(0).getInt());
        assertEquals(0, client.submit("def subtract(x,y){x-y};subtract(1,1)").all().join().get(0).getInt());
        assertEquals(0, client.submit("subtract(1,1)").all().join().get(0).getInt());


        final Map<String, Object> bindings = new HashMap<>();
        bindings.put(GremlinGroovyScriptEngine.KEY_REFERENCE_TYPE, GremlinGroovyScriptEngine.REFERENCE_TYPE_PHANTOM);
        assertEquals(4, client.submit("def multiply(x,y){x*y};multiply(2,2)", bindings).all().join().get(0).getInt());


        try {
            client.submit("multiply(2,2)").all().join().get(0).getInt();
            fail("Should throw an exception since reference is phantom.");
        } catch (RuntimeException ignored) {


        } finally {
            cluster.close();

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com.tinkerpop.gremlin.driver.benchmark.ProfilingApplication

com.tinkerpop.gremlin.server.GremlinAdditionPerformanceTest

com.tinkerpop.gremlin.server.GremlinDriverIntegrateTest

com.tinkerpop.gremlin.server.GremlinServerIntegrateTest

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