Examples of org.eclipse.persistence.jpa.jpql.parser.Expression.accept()

Package org.eclipse.persistence.jpa.jpql.parser

Class org.eclipse.persistence.jpa.jpql.parser.Expression

Examples of org.eclipse.persistence.jpa.jpql.parser.Expression.accept()

org.eclipse.persistence.jpa.jpql.parser.Expression.accept()
Visits this {@link Expression} by the given {@link ExpressionVisitor visitor}. @param visitor The {@link ExpressionVisitor} to visit this object


          addProblem(selectExpression, startPosition, endPosition, SimpleSelectClause_NotSingleExpression);
        }
        // Visit the select expression
        else {
          selectExpression.accept(this);
        }
      }
      // The select expression is not valid
      else if (!isValid(selectExpression, expression.getSelectItemQueryBNFId())) {

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        addProblem(expression, startPosition, endPosition, AbstractSelectClause_InvalidSelectExpression);
      }
      // Visit the select expression
      else {
        selectExpression.accept(this);
      }
    }
  }


  protected void validateAbstractSelectStatement(AbstractSelectStatement expression) {

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        int startPosition = position(expression);
        int endPosition   = startPosition + length(leftExpression);
        addProblem(expression, startPosition, endPosition, invalidLeftExpression);
      }
      else {
        leftExpression.accept(this);
      }
    }


    // Missing right expression
    if (!expression.hasRightExpression()) {

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        int endPosition = startPosition + length(rightExpression);


        addProblem(expression, startPosition, endPosition, invalidRightExpression);
      }
      else {
        rightExpression.accept(this);
      }
    }
  }


  protected void validateIdentificationVariableDeclaration(IdentificationVariableDeclaration expression) {

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        );


        // Make sure each child is a JOIN expression
        for (int index = children.size(); --index >= 0; ) {
          Expression child = children.get(index);
          child.accept(this);
        }
      }
      // Make sure the single expression is a JOIN expression
      // Validate the JOIN expression
      else {

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        int startIndex = position(expression) + 1;
        int endIndex   = startIndex;
        addProblem(expression, startIndex, endIndex, ArithmeticFactor_InvalidExpression);
      }
      else {
        arithmeticExpression.accept(this);
      }
    }
  }


  /**

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          int startPosition = position(expression);
          int endPosition   = startPosition + length(leftExpression);
          addProblem(expression, startPosition, endPosition, InExpression_InvalidExpression);
        }
        else {
          leftExpression.accept(this);
        }
      }
      // Validate the expression
      else if (!isValid(leftExpression, queryBNF) || isDateTimeConstant(leftExpression)) {
        int startPosition = position(expression);

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        int startPosition = position(expression);
        int endPosition   = startPosition + length(leftExpression);
        addProblem(expression, startPosition, endPosition, InExpression_InvalidExpression);
      }
      else {
        leftExpression.accept(this);
      }
    }


    // Check for "IN :input_parameter" defined in JPA 2.0
    boolean singleInputParameter = isNewerThanOrEqual(JPAVersion.VERSION_2_0) &&

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      else if (!isValid(inItems, expression.getExpressionItemQueryBNFId())) {
        addProblem(inItems, InExpression_ItemInvalidExpression);
      }
      // Validate the single item
      else {
        inItems.accept(this);
      }
    }


    // Missing ')'
    if (!singleInputParameter    &&

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        int endPosition   = startPosition + length(joinAssociationPath);
        addProblem(expression, startPosition, endPosition, Join_InvalidJoinAssociationPath);
      }
      // Validate join association path
      else {
        joinAssociationPath.accept(this);
      }
    }


    // Missing identification variable
    // A JOIN expression always needs an identification variable

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