@Override
    public ComplexEventChunk<StateEvent> tryUpdate(ComplexEventChunk<StateEvent> updatingOrAddingEventChunk,
                                                   Object storeEvents,
                                                   InMemoryCompiledUpdateSet compiledUpdateSet,
                                                   AddingStreamEventExtractor addingStreamEventExtractor) {
        return super.tryUpdate(updatingOrAddingEventChunk, ((Map<Object, StreamEvent>) storeEvents).values(),
                compiledUpdateSet, addingStreamEventExtractor);
    }
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