Examples of org.eclipse.persistence.jpa.internal.jpql.WordParser

Package org.eclipse.persistence.jpa.internal.jpql

Examples of org.eclipse.persistence.jpa.internal.jpql.WordParser

org.eclipse.persistence.jpa.internal.jpql.WordParser
This "parser" holds onto the string version of the Java Persistence query that is parsed into a parsed tree. It uses a cursor that let the current {@link Expression} object to parse its sectionof the query. @version 2.3 @since 2.3 @author Pascal Filion


      if (hasLeftParenthesis || hasRightParenthesis)  {
        singleInputParameter = Boolean.FALSE;
      }
      else {
        WordParser wordParser = new WordParser(getInItems().toActualText());
        String word = wordParser.word();
        wordParser.moveForward(word);


        singleInputParameter = (word.length() > 0) &&
                               ExpressionTools.isParameter(word.charAt(0)) &&
                               wordParser.isTail();
      }
    }


    return singleInputParameter;
  }

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   * @param tolerant Determines if the parsing system should be tolerant, meaning if it should try
   * to parse invalid or incomplete queries
   */
  public JPQLExpression(CharSequence query, IJPAVersion version, boolean tolerant) {
    this(version, tolerant);
    parse(new WordParser(query), tolerant);
  }

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   * try to parse invalid or incomplete queries
   * @return The {@link Expression} representing the given text
   */
  final Expression parse(CharSequence expression, boolean tolerant) {
    conditionalExpression = parse(
      new WordParser(expression),
      queryBNF(ConditionalExpressionBNF.ID),
      tolerant
    );
    this.hasSpace = true;
    return conditionalExpression;

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   * @param tolerant Determines if the parsing system should be tolerant, meaning if it should try
   * to parse invalid or incomplete queries
   */
  public JPQLExpression(CharSequence query, IJPAVersion version, boolean tolerant) {
    this(version, tolerant);
    parse(new WordParser(query), tolerant);
  }

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   * try to parse invalid or incomplete queries
   * @return The {@link Expression} representing the given text
   */
  final Expression parse(CharSequence expression, boolean tolerant) {
    conditionalExpression = parse(
      new WordParser(expression),
      queryBNF(ConditionalExpressionBNF.ID),
      tolerant
    );
    this.hasSpace = true;
    return conditionalExpression;

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Related Classes of org.eclipse.persistence.jpa.internal.jpql.WordParser

org.eclipse.persistence.jpa.internal.jpql.parser.AbstractConditionalClause

org.eclipse.persistence.jpa.internal.jpql.parser.InExpression

org.eclipse.persistence.jpa.internal.jpql.parser.JPQLExpression

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