Examples of org.apache.ojb.broker.query.QueryByCriteria

org.apache.ojb.broker.query.QueryByCriteria
represents a search by criteria. "find all articles where article.price > 100" could be represented as: Criteria crit = new Criteria(); crit.addGreaterThan("price", new Double(100)); Query qry = new QueryByCriteria(Article.class, crit); The PersistenceBroker can retrieve Objects by Queries as follows: PersistenceBroker broker = PersistenceBrokerFactory.createPersistenceBroker(); Collection col = broker.getCollectionByQuery(qry); Creation date: (24.01.2001 21:45:46) @author Thomas Mahler @version $Id: QueryByCriteria.java,v 1.26.2.4 2005/12/21 22:27:09 tomdz Exp $

    try
    {
          Criteria filter = new Criteria();       
          filter.addEqualTo("mimetypes.name", mimeTypeName);
          
          QueryByCriteria query = QueryFactory.newQuery(getMediaTypeClass(), filter);
          mediaTypeCollection = getPersistenceBrokerTemplate().getCollectionByQuery(query);                    
    }
    catch (Exception e)
    {
          String message =

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     * Obtain an iterator of all existing capabilities.
     * @return Returns an iterator for all existing Capabilities of type <code>Capability</code>
     */
    public Iterator getCapabilities()
    {
      QueryByCriteria query = null;
    try
    {
      query = QueryFactory.newQuery(getCapabilityClass(), new Criteria());
    }
    catch (Exception e)
    {
          String message =
              "CapabilityServiceImpl: getCapabilities query used invalid class ";
          log.error(message, e);
          return null;
    }
        query.addOrderByAscending("name");
        return getPersistenceBrokerTemplate().getCollectionByQuery(query).iterator();        
    }

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     */
    public Iterator getMimeTypes()
    {
    try
    {
      QueryByCriteria query = QueryFactory.newQuery(getMimeTypeClass(), new Criteria());
          query.addOrderByAscending("name");
          return getPersistenceBrokerTemplate().getCollectionByQuery(query).iterator();                
    }
    catch (Exception e)
    {
          String message =

View Full Code Here

     */
    public Iterator getMediaTypes()
    {
    try
    {
      QueryByCriteria query = QueryFactory.newQuery(getMediaTypeClass(), new Criteria());
          query.addOrderByAscending("name");
          return getPersistenceBrokerTemplate().getCollectionByQuery(query).iterator();                        
    }
    catch (Exception e)
    {
          String message =

View Full Code Here

    {
      try
      {
          Criteria filter = new Criteria();        
          filter.addEqualTo("name", mimeType);
          QueryByCriteria query = QueryFactory.newQuery(getMimeTypeClass(), filter);
          return (MimeType) getPersistenceBrokerTemplate().getObjectByQuery(query);
    }
    catch (Exception e)
    {
          String message =

View Full Code Here

    {     
      try
      {
          Criteria filter = new Criteria();        
          filter.addEqualTo("name", clientName);
          QueryByCriteria query = QueryFactory.newQuery(getClientClass(), filter);
          return (Client) getPersistenceBrokerTemplate().getObjectByQuery(query);                   
    }
    catch (Exception e)
    {
          String message =

View Full Code Here

      try
      {
      
          Criteria filter = new Criteria();        
          filter.addEqualTo("name", capability);
          QueryByCriteria query = QueryFactory.newQuery(getCapabilityClass(), filter);
          return (Capability) getPersistenceBrokerTemplate().getObjectByQuery(query);                   
    }
    catch (Exception e)
    {
          String message =

View Full Code Here

    {
      try
      {
          Criteria filter = new Criteria();        
          filter.addEqualTo("name", mimeType);
          QueryByCriteria query = QueryFactory.newQuery(getMimeTypeClass(), filter);
          return (MimeType) getPersistenceBrokerTemplate().getObjectByQuery(query);
    }
    catch (Exception e)
    {
          String message =

View Full Code Here

    {     
      try
      {
          Criteria filter = new Criteria();        
          filter.addEqualTo("name", clientName);
          QueryByCriteria query = QueryFactory.newQuery(getClientClass(), filter);
          return (Client) getPersistenceBrokerTemplate().getObjectByQuery(query);                   
    }
    catch (Exception e)
    {
          String message =

View Full Code Here

      try
      {
      
          Criteria filter = new Criteria();        
          filter.addEqualTo("name", capability);
          QueryByCriteria query = QueryFactory.newQuery(getCapabilityClass(), filter);
          return (Capability) getPersistenceBrokerTemplate().getObjectByQuery(query);                   
    }
    catch (Exception e)
    {
          String message =

View Full Code Here

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