Examples with TypeToken com.google.common.reflect.TypeToken used on opensource projects

Example 61 with TypeToken

use of com.google.common.reflect.TypeToken in project CorfuDB by CorfuDB.

the class WriteWriteTXConcurrencyTest method simpleWWTest.

@Test
public void simpleWWTest() {
    //Instantiate a Corfu Stream named "A" dedicated to an SMRmap object.
    SMRMap<String, Integer> map = (SMRMap<String, Integer>) instantiateCorfuObject(new TypeToken<SMRMap<String, Integer>>() {
    }, "A");
    AtomicInteger valA = new AtomicInteger(0), valB = new AtomicInteger(0);
    t(0, () -> WWTXBegin());
    t(0, () -> map.put("a", 1));
    t(0, () -> map.put("b", 1));
    t(1, () -> WWTXBegin());
    t(1, () -> {
        Integer ga = map.get("a");
        if (ga != null)
            valA.set(ga);
    });
    t(1, () -> {
        Integer gb = map.get("b");
        if (gb != null)
            valB.set(gb);
    });
    t(1, () -> TXEnd());
    t(0, () -> TXEnd());
    assertThat(valA.get()).isEqualTo(valB.get());
}

Example 62 with TypeToken

use of com.google.common.reflect.TypeToken in project CorfuDB by CorfuDB.

the class SMRMapTest method readSetDiffFromWriteSet.

@Test
@SuppressWarnings("unchecked")
public void readSetDiffFromWriteSet() throws Exception {
    Map<String, String> testMap = getRuntime().getObjectsView().build().setStreamName("test1").setTypeToken(new TypeToken<SMRMap<String, String>>() {
    }).open();
    Map<String, String> testMap2 = getRuntime().getObjectsView().build().setStreamName("test2").setTypeToken(new TypeToken<SMRMap<String, String>>() {
    }).open();
    testMap.put("a", "b");
    testMap2.put("a", "c");
    Semaphore s1 = new Semaphore(0);
    Semaphore s2 = new Semaphore(0);
    scheduleConcurrently(1, threadNumber -> {
        s1.tryAcquire(PARAMETERS.TIMEOUT_NORMAL.toMillis(), TimeUnit.MILLISECONDS);
        getRuntime().getObjectsView().TXBegin();
        testMap2.put("a", "d");
        getRuntime().getObjectsView().TXEnd();
        s2.release();
    });
    scheduleConcurrently(1, threadNumber -> {
        getRuntime().getObjectsView().TXBegin();
        testMap.compute("b", (k, v) -> testMap2.get("a"));
        s1.release();
        s2.tryAcquire(PARAMETERS.TIMEOUT_NORMAL.toMillis(), TimeUnit.MILLISECONDS);
        assertThatThrownBy(() -> getRuntime().getObjectsView().TXEnd()).isInstanceOf(TransactionAbortedException.class);
    });
    executeScheduled(PARAMETERS.CONCURRENCY_TWO, PARAMETERS.TIMEOUT_NORMAL);
}

Example 63 with TypeToken

use of com.google.common.reflect.TypeToken in project CorfuDB by CorfuDB.

the class SMRMapTest method canWriteScanAndFilterToSingle.

@Test
@SuppressWarnings("unchecked")
public void canWriteScanAndFilterToSingle() throws Exception {
    Map<String, String> corfuInstancesMap = getRuntime().getObjectsView().build().setStreamName("test").setTypeToken(new TypeToken<SMRMap<String, String>>() {
    }).open();
    corfuInstancesMap.clear();
    assertThat(corfuInstancesMap.put("a", "CorfuServer")).isNull();
    assertThat(corfuInstancesMap.put("b", "CorfuClient")).isNull();
    assertThat(corfuInstancesMap.put("c", "CorfuClient")).isNull();
    assertThat(corfuInstancesMap.put("d", "CorfuServer")).isNull();
    List<String> corfuServerList = ((SMRMap) corfuInstancesMap).scanAndFilter(p -> p.equals("CorfuServer"));
    assertThat(corfuServerList.size()).isEqualTo(2);
    for (String corfuInstance : corfuServerList) {
        assertThat(corfuInstance).isEqualTo("CorfuServer");
    }
}

Example 64 with TypeToken

use of com.google.common.reflect.TypeToken in project CorfuDB by CorfuDB.

the class CompileProxyTest method testObjectCounterReadConcurrency.

/**
     * the test interleaves reads and writes to a shared counter.
     *
     * The test uses the interleaving engine to interleave numTasks*threads state machines.
     * A simple state-machine is built. It randomly chooses to either read or append the counter.
     * On a read, the last written value is expected.
     *
     * @throws Exception
     */
@Test
public void testObjectCounterReadConcurrency() throws Exception {
    CorfuSharedCounter sharedCounter = getDefaultRuntime().getObjectsView().build().setStreamName("my stream").setTypeToken(new TypeToken<CorfuSharedCounter>() {
    }).open();
    int numTasks = PARAMETERS.NUM_ITERATIONS_LOW;
    Random r = new Random(PARAMETERS.SEED);
    sharedCounter.setValue(-1);
    AtomicInteger lastUpdate = new AtomicInteger(-1);
    assertThat(sharedCounter.getValue()).isEqualTo(lastUpdate.get());
    // only one step: randomly choose between read/append of the shared counter
    addTestStep((task_num) -> {
        if (r.nextBoolean()) {
            sharedCounter.setValue(task_num);
            // remember the last written value
            lastUpdate.set(task_num);
        } else {
            // expect to read the value in lastUpdate
            assertThat(sharedCounter.getValue()).isEqualTo(lastUpdate.get());
        }
    });
    // invoke the interleaving engine
    scheduleInterleaved(PARAMETERS.CONCURRENCY_SOME, PARAMETERS.CONCURRENCY_SOME * numTasks);
}

Example 65 with TypeToken

use of com.google.common.reflect.TypeToken in project CorfuDB by CorfuDB.

the class CorfuSMRObjectProxyTest method canOpenObjectWithTwoRuntimes.

@Test
public void canOpenObjectWithTwoRuntimes() throws Exception {
    getDefaultRuntime();
    final int TEST_VALUE = 42;
    TestClass testClass = (TestClass) instantiateCorfuObject(new TypeToken<TestClass>() {
    }, "test");
    testClass.set(TEST_VALUE);
    assertThat(testClass.get()).isEqualTo(TEST_VALUE);
    CorfuRuntime runtime2 = new CorfuRuntime(getDefaultEndpoint());
    runtime2.connect();
    TestClass testClass2 = (TestClass) instantiateCorfuObject(runtime2, new TypeToken<TestClass>() {
    }, "test");
    assertThat(testClass2.get()).isEqualTo(TEST_VALUE);
}