Examples of org.apache.cayenne.access.ObjectStore

org.apache.cayenne.access.ObjectStore
ObjectStore stores objects using their ObjectId as a key. It works as a dedicated object cache for a DataContext. Users rarely need to access ObjectStore directly, as DataContext serves as a facade, providing cover methods for most ObjectStore operations. @since 1.0 @author Andrus Adamchik

    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());
    }

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    }


    protected ObjectContext createFromDataContext(DataContext parent) {
        // child ObjectStore should not have direct access to snapshot cache, so do not
        // pass it in constructor.
        ObjectStore objectStore = objectStoreFactory.createObjectStore(null);


        DataContext context = newInstance(parent, objectStore);


        context.setValidatingObjectsOnCommit(parent.isValidatingObjectsOnCommit());
        context.setUsingSharedSnapshotCache(parent.isUsingSharedSnapshotCache());

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  public DataContext getDataContext()
  {
    if (dataContext == null)
    {
      DataDomain domain = cayenneConfiguration.getDomain();
      dataContext = new DataContext(domain, new ObjectStore(domain.getSharedSnapshotCache()));


      dataContext.setValidatingObjectsOnCommit(true);


      LogUtil.debug(getClass(), "Opened Cayenne session $0.", dataContext);
    }

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