Examples of com.avaje.ebean.event.BeanQueryAdapter

com.avaje.ebean.event.BeanQueryAdapter
Objects extending this modify queries prior their execution.
This can be used to add expressions to a query - for example to enable partitioning based on the user executing the query.

A BeanQueryAdapter is either found automatically via class path search or can be added programmatically via {@link ServerConfig#add(BeanQueryAdapter)}.

Note that a BeanQueryAdapter should be thread safe (stateless) and if registered automatically via class path search it needs to have a default constructor.

    public List<BeanQueryAdapter> getBeanQueryAdapters() {
        // add class registered BeanQueryAdapter to the
        // already created instances
        for (Class<?> cls : beanQueryAdapterList) {
            try {
                BeanQueryAdapter newInstance = (BeanQueryAdapter) cls.newInstance();
                queryAdapterInstances.add(newInstance);
            } catch (Exception e) {
                String msg = "Error creating BeanQueryAdapter " + cls;
                logger.error(msg, e);
            }

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    query.convertManyFetchJoinsToQueryJoins(allowOneManyFetch, queryBatchSize);


    SpiTransaction serverTrans = (SpiTransaction) t;
    OrmQueryRequest<T> request = new OrmQueryRequest<T>(this, queryEngine, query, desc, serverTrans);


    BeanQueryAdapter queryAdapter = desc.getQueryAdapter();
    if (queryAdapter != null) {
      // adaption of the query probably based on the
      // current user
      queryAdapter.preQuery(request);
    }


    // the query hash after any tuning
    request.calculateQueryPlanHash();

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     * Return the BeanPersistController for a given entity type.
     */
  public void addQueryAdapter(DeployBeanDescriptor<?> deployDesc){
    
    for (int i = 0; i < list.size(); i++) {
      BeanQueryAdapter c = list.get(i);
      if (c.isRegisterFor(deployDesc.getBeanType())){
        logger.debug("BeanQueryAdapter on[" + deployDesc.getFullName() + "] " + c.getClass().getName());
        deployDesc.addQueryAdapter(c);
      }
    }    
    }

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Related Classes of com.avaje.ebean.event.BeanQueryAdapter

com.avaje.ebeaninternal.server.core.BootupClasses

com.avaje.ebeaninternal.server.core.DefaultServer

com.avaje.ebeaninternal.server.deploy.BeanQueryAdapterManager

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