Package com.hazelcast.core

Examples of com.hazelcast.core.PartitionService

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    }

    private void createMemberState(MemberStateImpl memberState) {
        final Node node = instance.node;
        memberState.setAddress(node.getThisAddress());
        PartitionService partitionService = instance.getPartitionService();
        Set<Partition> partitions = partitionService.getPartitions();
        memberState.clearPartitions();
        for (Partition partition : partitions) {
            if (partition.getOwner() != null && partition.getOwner().localMember()) {
                memberState.addPartition(partition.getPartitionId());
            }
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            serializableClientEndPoints.add(new SerializableClientEndPoint(client));
        }
        memberState.setClients(serializableClientEndPoints);
        memberState.setAddress(node.getThisAddress().getHost() + ":" + node.getThisAddress().getPort());
        createJMXBeans(memberState);
        PartitionService partitionService = instance.getPartitionService();
        Set<Partition> partitions = partitionService.getPartitions();
        memberState.clearPartitions();
        for (Partition partition : partitions) {
            if (partition.getOwner() != null && partition.getOwner().localMember()) {
                memberState.addPartition(partition.getPartitionId());
            }
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        }
    }

    public static String generateKeyOwnedBy(HazelcastInstance instance) {
        final Member localMember = instance.getCluster().getLocalMember();
        final PartitionService partitionService = instance.getPartitionService();
        for (; ; ) {
            String id = UUID.randomUUID().toString();
            Partition partition = partitionService.getPartition(id);
            if (localMember.equals(partition.getOwner())) {
                return id;
            }
        }
    }
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        }
    }

    public static String generateKeyNotOwnedBy(HazelcastInstance instance) {
        final Member localMember = instance.getCluster().getLocalMember();
        final PartitionService partitionService = instance.getPartitionService();
        for (; ; ) {
            String id = UUID.randomUUID().toString();
            Partition partition = partitionService.getPartition(id);
            if (!localMember.equals(partition.getOwner())) {
                return id;
            }
        }
    }
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            }
        });
    }

    public static boolean isClusterInSafeState(final HazelcastInstance instance) {
        final PartitionService ps = instance.getPartitionService();
        return ps.isClusterSafe();
    }
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public class PartitionMigrationListenerTest extends HazelcastTestSupport {

    @Test(expected = NullPointerException.class)
    public void testAddMigrationListener_whenNullListener() {
        HazelcastInstance hz = createHazelcastInstance();
        PartitionService partitionService = hz.getPartitionService();

        partitionService.addMigrationListener(null);
    }
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    @Test
    public void testAddMigrationListener_whenListenerRegisteredTwice() {
        TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
        HazelcastInstance hz1 = factory.newHazelcastInstance();
        PartitionService partitionService = hz1.getPartitionService();

        MigrationListener listener = mock(MigrationListener.class);

        String id1 = partitionService.addMigrationListener(listener);
        String id2 = partitionService.addMigrationListener(listener);

        // first we check if the registration id's are different
        assertNotEquals(id1, id2);
    }
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    }

    @Test(expected = NullPointerException.class)
    public void testRemoveMigrationListener_whenNullListener() {
        HazelcastInstance hz = createHazelcastInstance();
        PartitionService partitionService = hz.getPartitionService();

        partitionService.removeMigrationListener(null);
    }
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    }

    @Test
    public void testRemoveMigrationListener_whenNonExistingRegistrationId() {
        HazelcastInstance hz = createHazelcastInstance();
        PartitionService partitionService = hz.getPartitionService();

        boolean result = partitionService.removeMigrationListener("notexist");

        assertFalse(result);
    }
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    @Test
    public void testRemoveMigrationListener() {
        TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
        HazelcastInstance hz1 = factory.newHazelcastInstance();
        PartitionService partitionService = hz1.getPartitionService();

        MigrationListener listener = mock(MigrationListener.class);

        String id = partitionService.addMigrationListener(listener);
        boolean removed = partitionService.removeMigrationListener(id);

        assertTrue(removed);

        // now we add a member
        HazelcastInstance hz2 = factory.newHazelcastInstance();
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Related Classes of com.hazelcast.core.PartitionService

  • com.hazelcast.instance.TestUtil
  • com.hazelcast.management.TimedMemberStateFactory
  • com.hazelcast.partition.PartitionMigrationListenerTest
  • com.hazelcast.test.HazelcastTestSupport
  • com.splout.db.hazelcast.TestSplitBrainDistributedMapEvents
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