Package org.dbwiki.data.query.xpath

Examples of org.dbwiki.data.query.xpath.VariableXPath

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  public VariableXPath getTargetPath(SchemaNode entity, VersionIndex versionIndex, Iterator<XAQLToken> pathTokens) throws org.dbwiki.exception.WikiException {

    String variableName = pathTokens.next().value();
   
    if (pathTokens.hasNext()) {
      return new VariableXPath(variableName, entity, new RelativeTargetPathGenerator().getTargetPath(entity, versionIndex, pathTokens));
    } else {
      return new VariableXPath(variableName, entity);
    }
  }
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    Vector<XAQLToken> fromClauseTokens = token.children();
    int iToken = 0;
   
      String variableName = fromClauseTokens.get(iToken++).value();
    QueryVariable rootParent = variables.get(fromClauseTokens.get(iToken).children().firstElement().value());
    VariableXPath variableTargetPath = new VariableTargetPathGenerator().getTargetPath(rootParent.targetEntity(), versionIndex, fromClauseTokens.get(iToken++).children().iterator());

      QueryVariable rootVariable = new QueryVariable(variableName, variableTargetPath);
      QueryVariableListing variableListing = new QueryVariableListing(rootVariable);
     
      while (iToken < fromClauseTokens.size()) {
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    String variableName = statementTokens.firstElement().children().firstElement().value();
    QueryVariable variable = variables.get(variableName);
    if (variable == null) {
      throw new WikiFatalException("Unknown variable $" + variableName);
    }
    VariableXPath targetPath = new VariableTargetPathGenerator().getTargetPath(variable.targetEntity(), versionIndex, statementTokens.firstElement().children().iterator());
   
    String label = null;
    if (statementTokens.size() > 1) {
      label = statementTokens.get(1).value();
    }
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Related Classes of org.dbwiki.data.query.xpath.VariableXPath

  • org.dbwiki.data.query.xaql.FromClauseGenerator
  • org.dbwiki.data.query.xaql.SelectClauseGenerator
  • org.dbwiki.data.query.xaql.VariableTargetPathGenerator
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