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

Example 91 with TypeToken

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

the class ObjectsViewTest method unrelatedTransactionDoesNotConflict.

@Test
@SuppressWarnings("unchecked")
public void unrelatedTransactionDoesNotConflict() throws Exception {
    //begin tests
    CorfuRuntime r = getDefaultRuntime();
    Map<String, String> smrMap = r.getObjectsView().build().setStreamName("map a").setTypeToken(new TypeToken<SMRMap<String, String>>() {
    }).open();
    Map<String, String> smrMapB = r.getObjectsView().build().setStreamName("map b").setTypeToken(new TypeToken<SMRMap<String, String>>() {
    }).open();
    smrMap.put("a", "b");
    r.getObjectsView().TXBegin();
    String b = smrMap.get("a");
    smrMapB.put("b", b);
    r.getObjectsView().TXEnd();
    //this TX should not conflict
    assertThat(smrMap).doesNotContainKey("b");
    r.getObjectsView().TXBegin();
    b = smrMap.get("a");
    smrMap.put("b", b);
    r.getObjectsView().TXEnd();
    assertThat(smrMap).containsEntry("b", "b");
}

Example 92 with TypeToken

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

the class FGMapTest method abortRateIsLowForSimpleTX.

@Test
@SuppressWarnings("unchecked")
public void abortRateIsLowForSimpleTX() throws Exception {
    getDefaultRuntime();
    Map<String, String> testMap = getRuntime().getObjectsView().build().setStreamName("test").setTypeToken(new TypeToken<FGMap<String, String>>() {
    }).open();
    final int num_threads = PARAMETERS.CONCURRENCY_SOME;
    final int num_records = PARAMETERS.NUM_ITERATIONS_LOW;
    AtomicInteger aborts = new AtomicInteger();
    testMap.clear();
    scheduleConcurrently(num_threads, threadNumber -> {
        int base = threadNumber * num_records;
        for (int i = base; i < base + num_records; i++) {
            try {
                getRuntime().getObjectsView().TXBegin();
                assertThat(testMap.put(Integer.toString(i), Integer.toString(i))).isEqualTo(null);
                getRuntime().getObjectsView().TXEnd();
            } catch (TransactionAbortedException tae) {
                aborts.incrementAndGet();
            }
        }
    });
    long startTime = System.currentTimeMillis();
    executeScheduled(num_threads, PARAMETERS.TIMEOUT_LONG);
    calculateRequestsPerSecond("TPS", num_records * num_threads, startTime);
    calculateAbortRate(aborts.get(), num_records * num_threads);
}

Example 93 with TypeToken

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

the class SMRMapTest method modificationDuringTransactionCausesAbort.

@Test
@SuppressWarnings("unchecked")
public void modificationDuringTransactionCausesAbort() throws Exception {
    Map<String, String> testMap = getRuntime().getObjectsView().build().setStreamName("A").setTypeToken(new TypeToken<SMRMap<String, String>>() {
    }).open();
    assertThat(testMap.put("a", "z"));
    getRuntime().getObjectsView().TXBegin();
    assertThat(testMap.put("a", "a")).isEqualTo("z");
    assertThat(testMap.put("a", "b")).isEqualTo("a");
    assertThat(testMap.get("a")).isEqualTo("b");
    CompletableFuture cf = CompletableFuture.runAsync(() -> {
        Map<String, String> testMap2 = getRuntime().getObjectsView().build().setStreamName("A").setSerializer(Serializers.JSON).addOption(ObjectOpenOptions.NO_CACHE).setTypeToken(new TypeToken<SMRMap<String, String>>() {
        }).open();
        getRuntime().getObjectsView().TXBegin();
        testMap2.put("a", "f");
        getRuntime().getObjectsView().TXEnd();
    });
    cf.join();
    assertThatThrownBy(() -> getRuntime().getObjectsView().TXEnd()).isInstanceOf(TransactionAbortedException.class);
}

Example 94 with TypeToken

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

the class SMRMultiLogunitTest method multiThreadedManyWritesThenRead.

/**
     * Multi Threaded.
     * Verify reads after multiple non-transactional writes done concurrently (using 2 threads)
     *
     */
@Test
public void multiThreadedManyWritesThenRead() {
    int numKeys = ONE_THOUSAND;
    ObjectsView view = getRuntime().getObjectsView();
    Map<String, String> testMap = getRuntime().getObjectsView().build().setStreamName("test").setTypeToken(new TypeToken<SMRMap<String, String>>() {
    }).open();
    AtomicInteger threadsComplete = new AtomicInteger(0);
    addTestStep((step) -> {
        for (int i = 0; i < numKeys; i++) {
            String key = "key" + String.valueOf(i);
            String val = "value" + String.valueOf(step) + "_" + String.valueOf(i);
            testMap.put(key, val);
            if (i % ONE_HUNDRED == 0) {
                Thread.yield();
            }
        }
        threadsComplete.incrementAndGet();
    });
    try {
        scheduleThreaded(2, 2);
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertEquals(2, threadsComplete.get());
    for (int i = 0; i < numKeys; i++) {
        String key = "key" + String.valueOf(i);
        String val = testMap.get(key);
        assertNotNull(val);
    }
}

Example 95 with TypeToken

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

the class TXConflictScenariosTest method finegrainedUpdatesDoNotConflict.

@Test
@SuppressWarnings("unchecked")
public void finegrainedUpdatesDoNotConflict() throws Exception {
    AtomicBoolean commitStatus = new AtomicBoolean(true);
    Map<String, String> testMap = getMap();
    Map<String, String> testMap2 = (Map<String, String>) instantiateCorfuObject(new TypeToken<SMRMap<String, String>>() {
    }, "test stream");
    t(1, () -> TXBegin());
    t(1, () -> testMap.put("a", "a"));
    t(1, () -> assertThat(testMap.put("a", "b")).isEqualTo("a"));
    t(2, () -> TXBegin());
    t(2, () -> testMap2.put("b", "f"));
    t(2, () -> assertThat(testMap2.put("b", "g")).isEqualTo("f"));
    t(2, () -> TXEnd());
    t(1, () -> {
        try {
            TXEnd();
        } catch (TransactionAbortedException te) {
            commitStatus.set(false);
        }
    });
    // verify that both transactions committed successfully
    assertThat(commitStatus.get()).isTrue();
}