cayenne-server/src/main/java/org/apache/cayenne/access/DefaultDataRowStoreFactory.java

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 *  to you under the Apache License, Version 2.0 (the
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package org.apache.cayenne.access;

import org.apache.cayenne.CayenneRuntimeException;
import org.apache.cayenne.configuration.RuntimeProperties;
import org.apache.cayenne.di.DIRuntimeException;
import org.apache.cayenne.di.Inject;
import org.apache.cayenne.di.Provider;
import org.apache.cayenne.event.EventBridge;
import org.apache.cayenne.event.EventManager;
import org.apache.cayenne.event.NoopEventBridge;

/**
 * A default implementation of {@link DataRowStoreFactory}
 *
 * @since 4.0
 */
public class DefaultDataRowStoreFactory implements DataRowStoreFactory {

    Provider<EventBridge> eventBridgeProvider;

    EventManager eventManager;

    RuntimeProperties properties;

    public DefaultDataRowStoreFactory(@Inject Provider<EventBridge> eventBridgeProvider,
                                      @Inject EventManager eventManager,
                                      @Inject RuntimeProperties properties) {
        this.eventBridgeProvider = eventBridgeProvider;
        this.eventManager = eventManager;
        this.properties = properties;
    }

    @Override
    public DataRowStore createDataRowStore(String name) throws DIRuntimeException {
        DataRowStore store = new DataRowStore(name, properties, eventManager);
        setUpEventBridge(store);
        return store;
    }

    private void setUpEventBridge(DataRowStore store) {
        try {
            EventBridge eventBridge = eventBridgeProvider.get();
            if (eventBridge instanceof NoopEventBridge) {
                return;
            }
            store.setEventBridge(eventBridge);
            store.startListeners();
        } catch (Exception ex) {
            throw new CayenneRuntimeException("Error initializing DataRowStore.", ex);
        }
    }
}