@Override
    protected boolean contains(Map<String, Object> containsConditionParameterMap,
                               CompiledCondition compiledCondition) throws ConnectionUnavailableException {
        return inMemoryTable.contains(containsMatchingEvent, compiledCondition);
    }
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