private ComplexEventChunk<StateEvent> convForUpdate(List<Map<String, Object>> parameterMapList) {
        ComplexEventChunk<StateEvent> complexEventChunk = new ComplexEventChunk<>();
        for (Map<String, Object> parameterMap : parameterMapList) {
            complexEventChunk.add(parameterMapToStateEvent(parameterMap));
        }
        return complexEventChunk;
    }
Custom store for testing of in memory cache for store tables.
modules/siddhi-core/src/test/java/io/siddhi/core/query/table/util/TestStoreContainingInMemoryTable.java