Пример #1
0
 private static String getVarName(String identifier) {
   String[] parts = StringUtilities.tokenizeIdentifierIntoArray(identifier);
   StringBuilder sb = new StringBuilder();
   for (int i = 0; i < parts.length; i++) {
     if (i != 0) {
       sb.append("_");
     }
     sb.append(parts[i].toUpperCase());
   }
   return sb.toString();
 }
  /**
   * Heuristically checks if the two layout components belong to the same attribute or rel.
   *
   * @param lc1
   * @param lc2
   * @return true if the two layout components belong to the same attribute or rel.
   */
  private static boolean sameAttributeOrRel(LayoutComponent lc1, LayoutComponent lc2) {

    String lc1Text = lc1.text == null ? "" : lc1.text.replace(" ", "").trim();
    String lc2Text = lc2.text == null ? "" : lc2.text.replace(" ", "").trim();
    // texts match.
    if (lc1Text.length() >= 2 && StringUtilities.equals(lc1Text, lc2Text, true)) {
      return true;
    }

    if (StringUtilities.equals(lc1.varName, lc2Text, true)
        || StringUtilities.equals(lc1Text, lc2.varName, true)) {
      return true;
    }

    // name match.
    String[] lc1NameParts = StringUtilities.tokenizeIdentifierIntoArray(lc1.varName);
    String[] lc2NameParts = StringUtilities.tokenizeIdentifierIntoArray(lc2.varName);
    if (lc1NameParts.length > 1) {
      if (concatenateStrings(lc1NameParts, 1)
          .equalsIgnoreCase(concatenateStrings(lc2NameParts, 0))) {
        return true;
      } else if (lc2NameParts.length > 1
          && concatenateStrings(lc1NameParts, 1)
              .equalsIgnoreCase(concatenateStrings(lc2NameParts, 1))) {
        return true;
      } else if (concatenateStrings(lc1NameParts, 1).equalsIgnoreCase(lc2Text)) {
        return true;
      }
    } else {
      if (lc2NameParts.length > 1) {
        if (concatenateStrings(lc1NameParts, 0)
            .equalsIgnoreCase(concatenateStrings(lc2NameParts, 1))) {
          return true;
        } else if (concatenateStrings(lc2NameParts, 1).equalsIgnoreCase(lc1Text)) {
          return true;
        }
      }
    }
    return false;
  }
 private static Relationship getRelationship(List<Relationship> rels, LayoutComponent lc) {
   Relationship rel = getRelationship(rels, lc.varName);
   if (rel != null) {
     return rel;
   }
   String[] lcNameParts = StringUtilities.tokenizeIdentifierIntoArray(lc.varName);
   if (lcNameParts.length > 1) {
     rel = getRelationship(rels, concatenateStrings(lcNameParts, 1));
   }
   if (rel != null) {
     return rel;
   }
   if (lc.text != null) {
     rel = getRelationship(rels, lc.text.replace(" ", "").trim());
   }
   return rel;
 }
 /**
  * Try to obtain the attribute using the varName or text. To match an attr/rel named 'itemValue',
  * the varName could be 'itemVALUE' or the text 'item value'.
  *
  * @param attrs
  * @param lc
  * @return
  */
 private static Attribute getAttribute(List<Attribute> attrs, LayoutComponent lc) {
   Attribute attr = getAttribute(attrs, lc.varName);
   if (attr != null) {
     return attr;
   }
   String[] lcNameParts = StringUtilities.tokenizeIdentifierIntoArray(lc.varName);
   if (lcNameParts.length > 1) {
     attr = getAttribute(attrs, concatenateStrings(lcNameParts, 1));
   }
   if (attr != null) {
     return attr;
   }
   if (lc.text != null) {
     attr = getAttribute(attrs, lc.text.replace(" ", "").trim());
   }
   return attr;
 }
Пример #5
0
  @Override
  public void toString(SqlWriter writer, DatabaseType databaseType) {
    if (context == null) {
      writer.write(joinType == TYPE_INNER_JOIN ? "INNER JOIN" : "LEFT OUTER JOIN").write(" ");
      if (fetch) {
        writer.write("FETCH ").write(schemaName);
      } else {
        writer.write(schemaName).write(" ").write(variableName);
      }
    } else { // compiled.
      if (joinType == TYPE_JOIN_TO_OUTER_QUERY) {
        // no need to join, as join is handled in the where clause.
        writer
            .write(relationship.getTargetEntity().getTableName())
            .append(' ')
            .append(variableName);
        return;
      }

      // normal joins - INNER/LEFT OUTER JOINS.
      writer.write(joinType == TYPE_INNER_JOIN ? "INNER JOIN" : "LEFT OUTER JOIN").write(" ");

      RelationshipJoinTable joinTable = relationship.getJoinTable();

      // retrieve the source table info.
      String schemaParent = QueryUtil.getPathParent(schemaName);
      PathInfo sourceTable = context.getPathInfo(schemaParent);
      if (sourceTable == null) {
        throw new EJBQLException("Can not find source reference in the context: " + schemaParent);
      }
      String sourceTableVarName = sourceTable.varName;

      if (joinTable == null) { // without join table.
        // To-one may have filter too
        boolean hasFilter = /*relationship.isToMany() &&*/
            !StringUtilities.isEmpty(relationship.getSqlFilter());

        writer.write(relationship.getTargetEntity().getTableName()).write(" ").write(variableName);
        writer.write(" ON ");
        if (hasFilter) {
          writer.append("(");
        }

        writer
            .append(sourceTableVarName)
            .append('.')
            .append(relationship.getSourceAttribute().getSystemName());

        writer
            .write(" = ")
            .append(variableName)
            .append('.')
            .append(relationship.getTargetAttribute().getSystemName());

        if (hasFilter) {
          String filterCondition = relationship.getSqlFilter();
          filterCondition = filterCondition.replace("{T}", variableName);
          filterCondition = filterCondition.replace("{S}", sourceTableVarName);
          writer.append(" AND ").append(filterCondition).append(")");
        }

        // filter org id and status since such filtering can not be done in WHERE otherwise break
        // LEFT OUTER JOIN (see comments in SelectStatement.toString).
        // added on Apr 13, 2010 by Jack
        if (getJoinType() == Join.TYPE_LEFT_OUTER_JOIN) {
          SelectStatement selectStmt = (SelectStatement) getFirstAncestor(TYPE_SELECT_STATEMENT);
          if (selectStmt == null) {
            throw new RuntimeException("Should not reach here 67584");
          }

          boolean multitenancy =
              !((Entity) relationship.getTargetEntity()).isCoreEntity()
                  && // this line avoid loading metadata being hung.
                  EOThreadLocal.getEOService() != null
                  && EOThreadLocal.getEOService().getMetaDomain() != null
                  && EOThreadLocal.getEOService().getMetaDomain().multitenancy;
          if (multitenancy
              && selectStmt.isOrgSpecific(schemaName, relationship.getTargetEntity())) {
            writer
                .append(" AND ")
                .append(variableName)
                .append('.')
                .append(EOConstants.COL_ORG_ID)
                .append(" = ")
                .append(EOThreadLocal.getOrgId());
          }

          boolean softDeletion =
              EOThreadLocal.getEOService() != null
                  && EOThreadLocal.getEOService().getMetaDomain() != null
                  && !EOThreadLocal.getEOService().getMetaDomain().hardDeletion;

          if (softDeletion) {
            writer
                .append(" AND ")
                .append(variableName)
                .append('.')
                .append(EOConstants.COL_STATUS)
                .append(" <> ")
                .append(EOConstants.STATUS_DELETED);
          }
        }

      } else { // with join table.

        String joinTableVarName =
            context.generateUniqueVarName(joinTable.getTableName().substring(0, 1));

        // join the join table first.
        writer.write(joinTable.getTableName()).append(' ').write(joinTableVarName);
        writer
            .write(" ON ")
            .append(sourceTableVarName)
            .append('.')
            .append(relationship.getSourceAttribute().getSystemName());
        writer
            .write(" = ")
            .append(joinTableVarName)
            .append('.')
            .append(joinTable.getSourceIdColumnName());

        // then the target entity.
        writer.write(" INNER JOIN ");
        writer.write(relationship.getTargetEntity().getTableName()).write(" ").write(variableName);
        writer
            .write(" ON ")
            .append(joinTableVarName)
            .append('.')
            .append(joinTable.getTargetIdColumnName());
        writer
            .write(" = ")
            .append(variableName)
            .append('.')
            .append(relationship.getTargetAttribute().getSystemName());
      }

      // additional sqlWhere in relationship.
      // Commented out by Jack on Mar 29, 2009 - sqlFilter has already been handled in above code.
      // appendAdditionalJoinCondition(writer, databaseType, sourceTableVarName, variableName);
    }
  }