Ejemplo n.º 1
1
 private boolean containsColumn(Collection columns, String column) {
   if (columns.contains(column)) return true;
   for (Iterator it = columns.iterator(); it.hasNext(); ) {
     if (((String) it.next()).equalsIgnoreCase(column)) return true;
   }
   return false;
 }
Ejemplo n.º 2
0
  private void loadDatabaseMetadata() {
    if (!databaseMetadataLoaded) {
      String componentName = "UNKNOWN";
      Connection con = null;
      try {
        componentName = getMetaComponent().getName();

        con = DataSourceConnectionProvider.getByComponent(componentName).getConnection();
        DatabaseMetaData metaData = con.getMetaData();
        supportsSchemasInDataManipulation = metaData.supportsSchemasInDataManipulation();
        Collection timeDateFunctions =
            Strings.toCollection(metaData.getTimeDateFunctions().toUpperCase());

        //
        // another solution instead of the use of 'if' would be to use a xml with
        //	the information of the functions from each BBDD
        if ("DB2 UDB for AS/400".equals(metaData.getDatabaseProductName())
            || "Oracle".equals(metaData.getDatabaseProductName())
            || "PostgresSQL".equals(metaData.getDatabaseProductName())) {
          supportsTranslateFunction = true;
        }
        if ("Oracle".equals(metaData.getDatabaseProductName())
            || "PostgreSQL".equals(metaData.getDatabaseProductName())) {
          supportsYearFunction = supportsMonthFunction = false;
        } else {
          supportsYearFunction = timeDateFunctions.contains("YEAR");
          supportsMonthFunction = timeDateFunctions.contains("MONTH");
        }
        databaseMetadataLoaded = true;
      } catch (Exception ex) {
        log.warn(XavaResources.getString("load_database_metadata_warning"));
      } finally {
        try {
          if (con != null) {
            con.close();
          }
        } catch (SQLException e) {
          log.warn(XavaResources.getString("close_connection_warning"));
        }
      }
    }
  }
Ejemplo n.º 3
0
 public String getKeyColumnsAsString() throws XavaException {
   StringBuffer r = new StringBuffer();
   Collection columns = new HashSet();
   for (Iterator it = getMetaModel().getAllKeyPropertiesNames().iterator(); it.hasNext(); ) {
     String pr = (String) it.next();
     String column = getColumn(pr);
     if (columns.contains(column)) continue;
     columns.add(column);
     r.append(column);
     r.append(' ');
   }
   return r.toString().trim();
 }
Ejemplo n.º 4
0
  public Collection getCmpFields() throws XavaException {
    Collection r = new ArrayList();
    Collection mappedColumns = new HashSet();
    for (Iterator it = getPropertyMappings().iterator(); it.hasNext(); ) {
      PropertyMapping pMapping = (PropertyMapping) it.next();
      r.addAll(pMapping.getCmpFields());
      mappedColumns.add(pMapping.getColumn());
    }
    for (Iterator it = getReferenceMappings().iterator(); it.hasNext(); ) {
      ReferenceMapping rMapping = (ReferenceMapping) it.next();
      for (Iterator itFields = rMapping.getCmpFields().iterator(); itFields.hasNext(); ) {
        CmpField field = (CmpField) itFields.next();
        if (!mappedColumns.contains(field.getColumn())) {
          r.add(field);
          mappedColumns.add(field.getColumn());
        }
      }
    }

    return r;
  }