Examples with StateTable org.apache.flink.runtime.state.heap.StateTable used on opensource projects

Example 1 with StateTable

use of org.apache.flink.runtime.state.heap.StateTable in project flink by apache.

the class StateBackendTestBase method testConcurrentMapIfQueryable.

/**
 * Tests that {@link AbstractHeapState} instances respect the queryable flag and create
 * concurrent variants for internal state structures.
 */
@SuppressWarnings("unchecked")
protected void testConcurrentMapIfQueryable() throws Exception {
    final int numberOfKeyGroups = 1;
    final CheckpointableKeyedStateBackend<Integer> backend = createKeyedBackend(IntSerializer.INSTANCE, numberOfKeyGroups, new KeyGroupRange(0, 0), new DummyEnvironment());
    try {
        {
            // ValueState
            ValueStateDescriptor<Integer> desc = new ValueStateDescriptor<>("value-state", Integer.class, -1);
            desc.setQueryable("my-query");
            ValueState<Integer> state = backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, desc);
            InternalKvState<Integer, VoidNamespace, Integer> kvState = (InternalKvState<Integer, VoidNamespace, Integer>) state;
            assertTrue(kvState instanceof AbstractHeapState);
            kvState.setCurrentNamespace(VoidNamespace.INSTANCE);
            backend.setCurrentKey(1);
            state.update(121818273);
            assertNotNull("State not set", ((AbstractHeapState<?, ?, ?>) kvState).getStateTable());
        }
        {
            // ListState
            ListStateDescriptor<Integer> desc = new ListStateDescriptor<>("list-state", Integer.class);
            desc.setQueryable("my-query");
            ListState<Integer> state = backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, desc);
            InternalKvState<Integer, VoidNamespace, Integer> kvState = (InternalKvState<Integer, VoidNamespace, Integer>) state;
            assertTrue(kvState instanceof AbstractHeapState);
            kvState.setCurrentNamespace(VoidNamespace.INSTANCE);
            backend.setCurrentKey(1);
            state.add(121818273);
            assertNotNull("State not set", ((AbstractHeapState<?, ?, ?>) kvState).getStateTable());
        }
        {
            // ReducingState
            ReducingStateDescriptor<Integer> desc = new ReducingStateDescriptor<>("reducing-state", new ReduceFunction<Integer>() {

                @Override
                public Integer reduce(Integer value1, Integer value2) throws Exception {
                    return value1 + value2;
                }
            }, Integer.class);
            desc.setQueryable("my-query");
            ReducingState<Integer> state = backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, desc);
            InternalKvState<Integer, VoidNamespace, Integer> kvState = (InternalKvState<Integer, VoidNamespace, Integer>) state;
            assertTrue(kvState instanceof AbstractHeapState);
            kvState.setCurrentNamespace(VoidNamespace.INSTANCE);
            backend.setCurrentKey(1);
            state.add(121818273);
            assertNotNull("State not set", ((AbstractHeapState<?, ?, ?>) kvState).getStateTable());
        }
        {
            // MapState
            MapStateDescriptor<Integer, String> desc = new MapStateDescriptor<>("map-state", Integer.class, String.class);
            desc.setQueryable("my-query");
            MapState<Integer, String> state = backend.getPartitionedState(VoidNamespace.INSTANCE, VoidNamespaceSerializer.INSTANCE, desc);
            InternalKvState<Integer, VoidNamespace, Map<Integer, String>> kvState = (InternalKvState<Integer, VoidNamespace, Map<Integer, String>>) state;
            assertTrue(kvState instanceof AbstractHeapState);
            kvState.setCurrentNamespace(VoidNamespace.INSTANCE);
            backend.setCurrentKey(1);
            state.put(121818273, "121818273");
            int keyGroupIndex = KeyGroupRangeAssignment.assignToKeyGroup(1, numberOfKeyGroups);
            StateTable stateTable = ((AbstractHeapState) kvState).getStateTable();
            assertNotNull("State not set", stateTable.get(keyGroupIndex));
        }
    } finally {
        IOUtils.closeQuietly(backend);
        backend.dispose();
    }
}