cayenne-server/src/main/java/org/apache/cayenne/configuration/DefaultObjectStoreFactory.java

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package org.apache.cayenne.configuration;

import org.apache.cayenne.access.DataRowStore;
import org.apache.cayenne.access.NoSyncObjectStore;
import org.apache.cayenne.access.ObjectMapRetainStrategy;
import org.apache.cayenne.access.ObjectStore;
import org.apache.cayenne.di.Inject;

/**
 * A default implementation of {@link ObjectStoreFactory} which makes decision to
 * turn {@link ObjectStore}'s syncing with parent {@link DataRowStore} on or off 
 * basing on {@link RuntimeProperties}.
 * 
 * @since 3.1
 */
public class DefaultObjectStoreFactory implements ObjectStoreFactory {
    
    @Inject
    protected RuntimeProperties runtimeProperties;
    
    @Inject
    protected ObjectMapRetainStrategy retainStrategy;
    
    public ObjectStore createObjectStore(DataRowStore dataRowCache) {
        boolean sync = runtimeProperties.getBoolean(Constants.SERVER_CONTEXTS_SYNC_PROPERTY, true);
        
        return sync ? new ObjectStore(dataRowCache, retainStrategy.createObjectMap()) 
                : new NoSyncObjectStore(dataRowCache, retainStrategy.createObjectMap());
    }
}