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

          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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        addProblem(expression, startPosition, endPosition, OnClause_InvalidConditionalExpression);
      }
      // Validate the conditional expression
      else {
        conditionalExpression.accept(this);
      }
    }
  }


  /**

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        int endPosition   = startPosition + length(rootObject);


        addProblem(expression, startPosition, endPosition, RangeVariableDeclaration_InvalidRootObject);
      }
      else {
        rootObject.accept(this);
      }
    }


    // Missing identification variable
    if (!expression.hasIdentificationVariable() &&

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      if (helper.getType(path) == null) {
        pathExpression.accept(this);
      }
    }
    else {
      rootObject.accept(this);
    }
  }


  /**
   * {@inheritDoc}

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      else {
        Expression declarationExpression = declaration.getDeclarationExpression();


        // A JOIN expression does not have a declaration and it should not be traversed here
        if (declarationExpression != null) {
          declarationExpression.accept(this);
        }
      }


      // Check the JOIN expressions in the identification variable declaration
      if (declaration.hasJoins()) {

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      if (pathExpression != null) {
        valid = validateStateFieldPathExpression(pathExpression, PathType.BASIC_FIELD_ONLY);
      }
      else {
        factor.accept(this);
      }
    }


    return valid;
  }

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      if (pathExpression != null) {
        boolean valid = validateStateFieldPathExpression(pathExpression, PathType.BASIC_FIELD_ONLY);
        updateStatus(result, 0, valid);
      }
      else {
        firstExpression.accept(this);
      }
    }


    // Validate the lower bound expression
    expression.getLowerBoundExpression().accept(this);

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