@Override
    public void update(ComplexEventChunk<StateEvent> updatingEventChunk, Object storeEvents,
                       InMemoryCompiledUpdateSet compiledUpdateSet) {
        super.update(updatingEventChunk, ((Map<Object, StreamEvent>) storeEvents).values(), compiledUpdateSet);
    }
Operator which is related to non-indexed In-memory table operations.
modules/siddhi-core/src/main/java/io/siddhi/core/util/collection/operator/MapOperator.java