Examples of com.caucho.amber.type.EntityType

com.caucho.amber.type.EntityType
Base for entity or mapped-superclass types.

      throw new IllegalArgumentException(L.l("{0}() operation can only be applied to an entity instance. If the argument is an entity, the corresponding class must be specified in the scope of a persistence unit.", operation));


    if (_persistenceUnit.isJPA()) {
      String className = entity.getClass().getName();


      EntityType entityType
        = (EntityType) _persistenceUnit.getEntityType(className);


      // jpa/0m08
      if (entityType == null) {
        throw new IllegalArgumentException(L.l("{0}() operation can only be applied to an entity instance. If the argument is an entity, the class '{1}' must be specified in the orm.xml or annotated with @Entity and must be in the scope of a persistence unit.", operation, className));

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   * Creates a field-based schema.
   */
  public SchemaExpr createField(QueryParser parser, String name)
    throws QueryParseException
  {
    EntityType type = _expr.getTargetType();


    AmberField field = type.getField(name);


    if (field == null)
      throw parser.error(L.l("{0}: '{1}' is an unknown field.",
                             type.getBeanClass().getName(),
                             name));


    AmberExpr fieldExpr = _expr.createField(parser, name);


    if (fieldExpr instanceof ManyToOneExpr)
      return new ManyToOneSchemaExpr((ManyToOneExpr) fieldExpr, name);


    if (fieldExpr instanceof DependentEntityOneToOneExpr)
      return new OneToOneSchemaExpr((DependentEntityOneToOneExpr) fieldExpr,
                                    name);


    throw parser.error(L.l("{0}: '{1}' must be a collection or one-to-one relationship.",
                           type.getBeanClass().getName(),
                           name));
  }

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   * Adds the from item.
   */
  public FromItem addFromItem(QueryParser parser, String id)
    throws QueryParseException
  {
    EntityType entityType = (EntityType) _id.getTargetType();
    
    return parser.addFromItem(entityType.getTable(), id);
  }

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    if (select) {
      cb.append(_fromItem.getName());
      cb.append('.');
    }


    EntityType entityType = (EntityType) getTargetType();


    cb.append(entityType.getId().getColumns().get(0).getName());
  }

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      _expr.generateSelect(cb);
      return;
    }


    if (type instanceof EntityType) {
      EntityType relatedType = (EntityType) type;
      cb.append(relatedType.getId().generateSelect(getTable()));
    }


    if (! fullSelect)
      return;


    FromItem item = _fromItem;


    // jpa/0l4b
    if (_rootItem != null) {
      EntityType parentType = (EntityType) type;


      while (parentType.getParentType() != null
       && parentType.getParentType() instanceof EntityType) {
  parentType = parentType.getParentType();
      }


      item = _rootItem;
    }

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      _expr.generateSelect(cb);
      return;
    }


    if (type instanceof EntityType) {
      EntityType relatedType = (EntityType) type;
      cb.append(relatedType.getId().generateSelect(getTable()));
    }


    if (! fullSelect)
      return;


    FromItem item = _fromItem;


    // jpa/0l4b
    if (_rootItem != null) {
      EntityType parentType = (EntityType) type;


      while (parentType.getParentType() != null
       && parentType.getParentType() instanceof EntityType) {
  parentType = parentType.getParentType();
      }


      item = _rootItem;
    }

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   * Creates a field-based schema.
   */
  public SchemaExpr createField(QueryParser parser, String name)
    throws QueryParseException
  {
    EntityType type = _expr.getTargetType();


    AmberField field = type.getField(name);


    if (field == null)
      throw parser.error(L.l("{0}: '{1}' is an unknown field.",
                             type.getBeanClass().getName(),
                             name));


    AmberExpr fieldExpr = _expr.createField(parser, name);


    if (fieldExpr instanceof ManyToOneExpr)
      return new ManyToOneSchemaExpr((ManyToOneExpr) fieldExpr, name);
    /*
      else if (fieldExpr instanceof ManyToManyExpr)
      return new ManyToManySchemaExpr((ManyToManyExpr) fieldExpr);
    */
    else if (fieldExpr instanceof OneToManyExpr)
      return new OneToManySchemaExpr((OneToManyExpr) fieldExpr);
    throw parser.error(L.l("{0}: '{1}' must be a collection.",
                           type.getBeanClass().getName(),
                           name));
  }

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        // jpa/1201: postgres 8.0.x/8.2.x compatibility
        if (getMetaData() instanceof PostgresMetaData) {
          item = _fromList.get(0);


          EntityType type = item.getEntityType();


          String targetId = type.getId().generateSelect(item.getName());


          cb.append(" FROM ");


          String tableName = item.getTable().getName();


          cb.append(tableName);
          cb.append(' ');
          cb.append(item.getName());


          isFirst = false;


          cb.append(" where ");


          cb.append(targetId);
          cb.append(" = ");
          cb.append(type.getId().generateSelect(item.getTable().getName()));
        }


        // jpa/1231, jpa/1202 vs jpa/1201 and jpa/1203
        if (_fromList.size() > 1
            && ! getMetaData().supportsUpdateTableList()) {
          // Postgres: jpa/1201 and Oracle: jpa/1203
          item = _fromList.get(1);


          EntityType type = item.getEntityType();


          String relatedId = type.getId().generateSelect(item.getName());


          if (isFirst) {
            isFirst = false;
            cb.append(" where ");
          }
          else
            cb.append(" and ");


          cb.append("exists (select ");


          cb.append(relatedId);


          cb.append(" from ");


          generateFromList(cb, true);


          // jpa/1231
          isFirst = true;
        }


        for (int i = 0; i < _fromList.size(); i++) {
          item = _fromList.get(i);


          AmberExpr expr = item.getJoinExpr();


          if (expr != null && ! item.isOuterJoin()) {
            // jpa/1231
            if (isFirst) {
              isFirst = false;
              cb.append(" where ");
            }
            else
              cb.append(" and ");


            expr.generateJoin(cb);
          }


          EntityType entityType = item.getEntityType();


          // jpa/0l44
          if (entityType != null) {
            AmberColumn discriminator = entityType.getDiscriminator();


            // jpa/0l43
            if (entityType instanceof SubEntityType &&
                discriminator != null) {
              // jpa/0l12, jpa/0l4b


              if (item.getTable() == discriminator.getTable()) {
                if (isFirst) {
                  isFirst = false;
                  cb.append(" where ");
                }
                else
                  cb.append(" and ");


                cb.append("(" + item.getName() + "." + discriminator.getName() + " = ");
                cb.append("'" + entityType.getDiscriminatorValue() + "')");
              }
            }
          }
        }

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   */
  public void list(List<Object> list, AmberConnection aConn, long maxAge)
    throws SQLException
  {
    AmberType type = _query.getResultType(0);
    EntityType entityType = (EntityType) type;
    Class cl = entityType.getBeanClass();
    
    synchronized (this) {
      long now = Alarm.getCurrentTime();


      if (now < _loadTime + maxAge || _isLoading && _loadTime > 0) {
  int length = _values.size();
  
  for (int i = 0; i < length; i++) {
    Object key = _values.get(i);


    list.add(aConn.loadLazy(cl.getName(), entityType.getName(), (java.io.Serializable) key));
  }
  return;
      }


      _isLoading = true;

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    EntityResultConfig entityResult = entityResults.get(oldEntityResult);


    String className = entityResult.getEntityClass();


    EntityType entityType = _aConn.getPersistenceUnit().getEntityType(className);


    if (entityType == null)
      throw new IllegalStateException(L.l("Unable to locate entity '{0}' for native query.", className));


    int oldIndex = _currIndex;


    // jpa/0y15 _currIndex++;


    /* jpa/0y14
    EntityItem item = entityType.getHome().findItem(_aConn, rs, oldIndex);


    if (item == null)
      return null;


    Entity entity = item.getEntity();
    */


    int keyLength = entityType.getId().getKeyCount();


    ArrayList<FieldResultConfig> fieldResults
      = entityResult.getFieldResults();


    Entity entity = null;


    int consumed = 0;


    try {
      // jpa/0y14
      entity = (Entity) _aConn.load(className, rs.getObject(oldIndex));


      ArrayList<String> columnNameList = new ArrayList<String>();
      entityType.generateNativeColumnNames(columnNameList);
      String []columnNames = new String[columnNameList.size()];
      columnNameList.toArray(columnNames);
      entity.__caucho_load_native(rs, columnNames);


      // jpa/0y10

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Related Classes of com.caucho.amber.type.EntityType

com.caucho.amber.cfg.AbstractConfig

com.caucho.amber.cfg.AbstractConfigIntrospector

com.caucho.amber.cfg.AbstractRelationConfig

com.caucho.amber.cfg.BasicConfig

com.caucho.amber.cfg.ManyToManyConfig

com.caucho.amber.cfg.ManyToOneConfig

com.caucho.amber.cfg.OneToManyConfig

com.caucho.amber.cfg.OneToOneConfig

com.caucho.amber.entity.Entity

com.caucho.amber.EnvAmberManager

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