Examples with MetadataCache org.apache.pulsar.metadata.api.MetadataCache used on opensource projects

Example 6 with MetadataCache

use of org.apache.pulsar.metadata.api.MetadataCache in project pulsar by yahoo.

the class MetadataCacheTest method testCloneInReadModifyUpdateOrCreate.

@Test(dataProvider = "impl")
public void testCloneInReadModifyUpdateOrCreate(String provider, Supplier<String> urlSupplier) throws Exception {
    @Cleanup MetadataStore store = MetadataStoreFactory.create(urlSupplier.get(), MetadataStoreConfig.builder().build());
    MetadataCache<Policies> objCache = store.getMetadataCache(Policies.class);
    String path = "/testCloneInReadModifyUpdateOrCreate-policies";
    // init cache
    Policies policies = new Policies();
    policies.max_unacked_messages_per_consumer = 100;
    objCache.create(path, policies).get();
    Policies tempPolicies = objCache.get(path).get().get();
    assertSame(tempPolicies, objCache.get(path).get().get());
    AtomicReference<Policies> reference = new AtomicReference<>(new Policies());
    AtomicReference<Policies> reference2 = new AtomicReference<>(new Policies());
    objCache.readModifyUpdateOrCreate(path, (policies1) -> {
        Policies policiesRef = policies1.get();
        assertNotSame(policiesRef, tempPolicies);
        reference.set(policiesRef);
        policiesRef.max_unacked_messages_per_consumer = 200;
        return policiesRef;
    }).get();
    objCache.readModifyUpdateOrCreate(path, (policies1) -> {
        Policies policiesRef = policies1.get();
        assertNotSame(policiesRef, tempPolicies);
        reference2.set(policiesRef);
        policiesRef.max_unacked_messages_per_consumer = 300;
        return policiesRef;
    }).get();
    // The original object should not be modified
    assertEquals(tempPolicies.max_unacked_messages_per_consumer.intValue(), 100);
    assertNotSame(reference.get(), reference2.get());
    assertNotEquals(reference.get().max_unacked_messages_per_consumer, reference2.get().max_unacked_messages_per_consumer);
}

Example 7 with MetadataCache

use of org.apache.pulsar.metadata.api.MetadataCache in project pulsar by yahoo.

the class MetadataCacheTest method crossStoreAddDelete.

@Test(dataProvider = "zk")
public void crossStoreAddDelete(String provider, Supplier<String> urlSupplier) throws Exception {
    @Cleanup MetadataStore store1 = MetadataStoreFactory.create(urlSupplier.get(), MetadataStoreConfig.builder().build());
    @Cleanup MetadataStore store2 = MetadataStoreFactory.create(urlSupplier.get(), MetadataStoreConfig.builder().build());
    @Cleanup MetadataStore store3 = MetadataStoreFactory.create(urlSupplier.get(), MetadataStoreConfig.builder().build());
    MetadataCache<MyClass> objCache1 = store1.getMetadataCache(MyClass.class);
    MetadataCache<MyClass> objCache2 = store2.getMetadataCache(MyClass.class);
    MetadataCache<MyClass> objCache3 = store3.getMetadataCache(MyClass.class);
    List<MetadataCache<MyClass>> allCaches = new ArrayList<>();
    allCaches.add(objCache1);
    allCaches.add(objCache2);
    allCaches.add(objCache3);
    // Add on one cache and remove from another
    multiStoreAddDelete(allCaches, 0, 1, "add cache0 del cache1");
    // retry same order to rule out any stale state
    multiStoreAddDelete(allCaches, 0, 1, "add cache0 del cache1");
    // Reverse the operations
    multiStoreAddDelete(allCaches, 1, 0, "add cache1 del cache0");
    // Ensure that working on same cache continues to work.
    multiStoreAddDelete(allCaches, 1, 1, "add cache1 del cache1");
}

Example 8 with MetadataCache

use of org.apache.pulsar.metadata.api.MetadataCache in project incubator-pulsar by apache.

the class MetadataCacheTest method crossStoreAddDelete.

@Test(dataProvider = "zk")
public void crossStoreAddDelete(String provider, Supplier<String> urlSupplier) throws Exception {
    @Cleanup MetadataStore store1 = MetadataStoreFactory.create(urlSupplier.get(), MetadataStoreConfig.builder().build());
    @Cleanup MetadataStore store2 = MetadataStoreFactory.create(urlSupplier.get(), MetadataStoreConfig.builder().build());
    @Cleanup MetadataStore store3 = MetadataStoreFactory.create(urlSupplier.get(), MetadataStoreConfig.builder().build());
    MetadataCache<MyClass> objCache1 = store1.getMetadataCache(MyClass.class);
    MetadataCache<MyClass> objCache2 = store2.getMetadataCache(MyClass.class);
    MetadataCache<MyClass> objCache3 = store3.getMetadataCache(MyClass.class);
    List<MetadataCache<MyClass>> allCaches = new ArrayList<>();
    allCaches.add(objCache1);
    allCaches.add(objCache2);
    allCaches.add(objCache3);
    // Add on one cache and remove from another
    multiStoreAddDelete(allCaches, 0, 1, "add cache0 del cache1");
    // retry same order to rule out any stale state
    multiStoreAddDelete(allCaches, 0, 1, "add cache0 del cache1");
    // Reverse the operations
    multiStoreAddDelete(allCaches, 1, 0, "add cache1 del cache0");
    // Ensure that working on same cache continues to work.
    multiStoreAddDelete(allCaches, 1, 1, "add cache1 del cache1");
}

Example 9 with MetadataCache

use of org.apache.pulsar.metadata.api.MetadataCache in project incubator-pulsar by apache.

the class MetadataCacheTest method testReadCloned.

@Test(dataProvider = "impl")
public void testReadCloned(String provider, Supplier<String> urlSupplier) throws Exception {
    @Cleanup MetadataStore store = MetadataStoreFactory.create(urlSupplier.get(), MetadataStoreConfig.builder().build());
    MetadataCache<Policies> objCache = store.getMetadataCache(Policies.class);
    String path = "/testReadCloned-policies";
    // init cache
    Policies policies = new Policies();
    policies.max_unacked_messages_per_consumer = 100;
    policies.replication_clusters.add("1");
    objCache.create(path, policies).get();
    Policies tempPolicies = objCache.get(path).get().get();
    assertSame(tempPolicies, objCache.get(path).get().get());
    AtomicReference<Policies> reference = new AtomicReference<>(new Policies());
    AtomicReference<Policies> reference2 = new AtomicReference<>(new Policies());
    objCache.readModifyUpdate(path, (policies1) -> {
        assertNotSame(policies1, tempPolicies);
        reference.set(policies1);
        policies1.max_unacked_messages_per_consumer = 200;
        return policies1;
    }).get();
    objCache.readModifyUpdate(path, (policies1) -> {
        assertNotSame(policies1, tempPolicies);
        reference2.set(policies1);
        policies1.max_unacked_messages_per_consumer = 300;
        return policies1;
    }).get();
    // The original object should not be modified
    assertEquals(tempPolicies.max_unacked_messages_per_consumer.intValue(), 100);
    assertNotSame(reference.get(), reference2.get());
    assertNotEquals(reference.get().max_unacked_messages_per_consumer, reference2.get().max_unacked_messages_per_consumer);
}

Example 10 with MetadataCache

use of org.apache.pulsar.metadata.api.MetadataCache in project incubator-pulsar by apache.

the class MetadataCacheTest method testCloneInReadModifyUpdateOrCreate.

@Test(dataProvider = "impl")
public void testCloneInReadModifyUpdateOrCreate(String provider, Supplier<String> urlSupplier) throws Exception {
    @Cleanup MetadataStore store = MetadataStoreFactory.create(urlSupplier.get(), MetadataStoreConfig.builder().build());
    MetadataCache<Policies> objCache = store.getMetadataCache(Policies.class);
    String path = "/testCloneInReadModifyUpdateOrCreate-policies";
    // init cache
    Policies policies = new Policies();
    policies.max_unacked_messages_per_consumer = 100;
    objCache.create(path, policies).get();
    Policies tempPolicies = objCache.get(path).get().get();
    assertSame(tempPolicies, objCache.get(path).get().get());
    AtomicReference<Policies> reference = new AtomicReference<>(new Policies());
    AtomicReference<Policies> reference2 = new AtomicReference<>(new Policies());
    objCache.readModifyUpdateOrCreate(path, (policies1) -> {
        Policies policiesRef = policies1.get();
        assertNotSame(policiesRef, tempPolicies);
        reference.set(policiesRef);
        policiesRef.max_unacked_messages_per_consumer = 200;
        return policiesRef;
    }).get();
    objCache.readModifyUpdateOrCreate(path, (policies1) -> {
        Policies policiesRef = policies1.get();
        assertNotSame(policiesRef, tempPolicies);
        reference2.set(policiesRef);
        policiesRef.max_unacked_messages_per_consumer = 300;
        return policiesRef;
    }).get();
    // The original object should not be modified
    assertEquals(tempPolicies.max_unacked_messages_per_consumer.intValue(), 100);
    assertNotSame(reference.get(), reference2.get());
    assertNotEquals(reference.get().max_unacked_messages_per_consumer, reference2.get().max_unacked_messages_per_consumer);
}