public synchronized void setPersistenceStore(PersistenceStore persistenceStore) {
        if (incrementalPersistenceStore != null) {
            throw new PersistenceStoreException("Only one type of persistence store can exist. " +
                    "Incremental persistence store '" + incrementalPersistenceStore.getClass().getName() +
                    "' already registered!");
        }
        this.persistenceStore = persistenceStore;
    }
Context information holder associated with {@link SiddhiManager}
modules/siddhi-core/src/main/java/io/siddhi/core/config/SiddhiContext.java