@Override
    protected void updateOrAdd(CompiledCondition updateCondition,
                               List<Map<String, Object>> updateConditionParameterMaps,
                               Map<String, CompiledExpression> updateSetExpressions,
                               List<Map<String, Object>> updateSetParameterMaps, List<Object[]> addingRecords)
            throws ConnectionUnavailableException {

    }
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