@Override
    protected RecordIterator<Object[]> find(Map<String, Object> findConditionParameterMap,
                                            CompiledCondition compiledCondition) throws ConnectionUnavailableException {
        return null;
    }
Custom store for testing of in memory cache for store tables.
modules/siddhi-core/src/test/java/io/siddhi/core/query/table/util/TestStoreForCacheEnabledOptimisation.java