Problems using index

[Fernando Eug�nio]

Hi.
I'm trying to use index, but it takes the same time with the index than 
without it.

Here are some methods that I'm using:
It creates the index file, but it isn't working.
index file (codCli_idx.idx): 6mb   table file (Testando.tbl): 1.4mb . I 
think it's strange.
I'm using only one xml file.

public Entidade consulta(Entidade e){
  EntidadeCliente c = (EntidadeCliente)e;  //EntidadeCliente is an entity
  EntidadeCliente ent = new EntidadeCliente();
  ent.setNome(consulta("//clientes/cliente[codCli = '" + c.getCodCli() + 
"']/nome/text()"));
  ent.setCpf(consulta("//clientes/cliente[codCli = '" + c.getCodCli() + 
"']/cpf/text()"));
  ent.setEndereco(consulta("//clientes/cliente[codCli = '" + c.getCodCli() 
+ "']/endereco/text()"));
  ent.setBairro(consulta("//clientes/cliente[codCli = '" + c.getCodCli() + 
"']/bairro/text()"));
  ent.setCidade(consulta("//clientes/cliente[codCli = '" + c.getCodCli() + 
"']/cidade/text()"));
  ent.setEstado(consulta("//clientes/cliente[codCli = '" + c.getCodCli() + 
"']/estado/text()"));
  ent.setCodCli(Integer.parseInt((consulta("//clientes/cliente[codCli = '" 
+ c.getCodCli()     + "']/codCli/text()"))));
  return ent;
}

//method that creates the index
public void criaIndice(Collection collec, String nome, String pattern){
  CollectionManager colman = null;
  String[] idx = null;
  try {
     colman = (CollectionManager) collec.getService("CollectionManager", 
"1.0");
     idx = colman.listIndexers();
  } catch (XMLDBException e1) {
     e1.printStackTrace();
  }
  boolean id = false;

  for(int i = 0; i < idx.length; i++){
     if (nome.equals(idx[i])){
        id = true;
     }
  }
  System.out.println(idx.length);
  System.out.println(id);
  if ((idx.length < 1) || (id == false)) {
     System.out.println("initializeXMLDB - Creating indexer");
     String document = "<index 
class='org.apache.xindice.core.indexer.ValueIndexer' name='" + nome + "' 
pattern='" + pattern + "' />";
     try {
         colman.createIndexer(DOMParser.toDocument(document));
     } catch (XMLDBException e2) {
          e2.printStackTrace();
     } catch (XindiceException e2) {
         e2.printStackTrace();
     }
  }
  else{
     System.out.println("initializeXMLDB - Indexes:\n");
     for (int i = 0; i < idx.length; i++) {
         System.out.println("initializeXMLDB - " + i + " - " + idx[i]);
     }
     System.out.println("initializeXMLDB - Total Indexes: " + idx.length);
  }
}

public static void main(String args[]){
  ClienteXML c = new ClienteXML();
  c.criaIndice(c.col, "codCli_idx", "codCli");  //creating index
  EntidadeCliente ent = new EntidadeCliente();
  Entidade ent1;
  long lg1, lg2;
  lg1 = System.currentTimeMillis();
  System.out.println(lg1 + "\n");
/************************************************************************/
  ent.setCodCli(6000);   //setting the codCli (that will be used to index)
  ent1 = c.consulta(ent);
/************************************************************************/
  lg2 = System.currentTimeMillis();
  System.out.println("\n" + lg2);
  System.out.println("\n Time: " + (lg2 - lg1) + " ms");
  System.out.println("\n Time: " + ((lg2 - lg1)/1000) + " s");
}

This is a sample of the xml file:
<clientes>
  <cliente>
     <nome>TESTE2</nome>
     <cpf>541844333</cpf>
     <endereco>Rua Fulano de Tal, 54</endereco>
     <bairro>Bauxita</bairro>
     <cidade>Ouro Preto</cidade>
     <estado>MG</estado>
     <codCli>325</codCli>
  </cliente>
</clientes>

Am I doing something wrong?
Please, help me.
Thanks.
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