Package org.tarantool.facade.chain

Source Code of org.tarantool.facade.chain.Call

package org.tarantool.facade.chain;

import java.util.ArrayList;
import java.util.List;

import org.tarantool.core.Tuple;
import org.tarantool.facade.Mapping;
import org.tarantool.pool.SingleQueryConnectionFactory;

public class Call<T> extends Chain<T> {

  String procName;
  Object[] args;
  int flags;
  boolean luaMode = false;

  public Call(SingleQueryConnectionFactory factory, Mapping<T> mapping, String procName, Object... args) {
    super(factory, mapping);
    this.procName = procName;
    this.args = args;
  }

  public Call<T> flags(int flags) {
    this.flags = flags;
    return this;
  }

  public Call<T> luaMode(boolean value) {
    this.luaMode = value;
    return this;
  }

  public List<T> call() {

    Tuple params = luaMode ? luaArgs() : mapping.getSupport().create(args);
    List<Tuple> response = factory.getSingleQueryConnection().call(flags, procName, params);
    List<T> result = new ArrayList<T>();
    for (Tuple tuple : response) {
      result.add(mapping.fromTuple(tuple));
    }
    return result;
  }

  protected Tuple luaArgs() {
    List<Object> convertedArgs = new ArrayList<Object>(args.length);
    for (Object arg : args) {
      if (arg instanceof String) {
        String str = (String) arg;
        StringBuilder builder = new StringBuilder(str.length() + 2);
        builder.append("'");
        builder.append(str.replaceAll("\\", "\\\\").replaceAll("'", "\\'"));
        convertedArgs.add(builder.toString());
      } else {
        convertedArgs.add(String.valueOf(arg));
      }
    }
    return mapping.getSupport().create(convertedArgs.toArray(new Object[convertedArgs.size()]));
  }

  public T callForOne() {
    List<T> call = call();
    return call == null || call.isEmpty() ? null : call.get(0);
  }

}
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