Examples with StateSnapshotTransformFactory org.apache.flink.runtime.state.StateSnapshotTransformer.StateSnapshotTransformFactory used on opensource projects

Example 1 with StateSnapshotTransformFactory

use of org.apache.flink.runtime.state.StateSnapshotTransformer.StateSnapshotTransformFactory in project flink by apache.

the class MockKeyedStateBackend method createInternalState.

@Override
@SuppressWarnings("unchecked")
@Nonnull
public <N, SV, SEV, S extends State, IS extends S> IS createInternalState(@Nonnull TypeSerializer<N> namespaceSerializer, @Nonnull StateDescriptor<S, SV> stateDesc, @Nonnull StateSnapshotTransformFactory<SEV> snapshotTransformFactory) throws Exception {
    StateFactory stateFactory = STATE_FACTORIES.get(stateDesc.getType());
    if (stateFactory == null) {
        String message = String.format("State %s is not supported by %s", stateDesc.getClass(), TtlStateFactory.class);
        throw new FlinkRuntimeException(message);
    }
    IS state = stateFactory.createInternalState(namespaceSerializer, stateDesc);
    stateSnapshotFilters.put(stateDesc.getName(), (StateSnapshotTransformer<Object>) getStateSnapshotTransformer(stateDesc, snapshotTransformFactory));
    ((MockInternalKvState<K, N, SV>) state).values = () -> stateValues.computeIfAbsent(stateDesc.getName(), n -> new HashMap<>()).computeIfAbsent(getCurrentKey(), k -> new HashMap<>());
    return state;
}