accountinfohelper.java

基于corba的资源池,实现了实例池供客户端调用,并且实例池对实例的分配采用策略模式支持随即抽取,最近使用和循环抽取三个不同策略.(在visibroke下面开发的)

package Bank;

/**
 * <ul>
 * <li> <b>IDL Source</b>    "D:/exp/NewWork/Exp6/src/Bank.idl"
 * <li> <b>IDL Name</b>      ::Bank::AccountInfo
 * <li> <b>Repository Id</b> IDL:Bank/AccountInfo:1.0
 * </ul>
 * <b>IDL definition:</b>
 * <pre>
 * struct AccountInfo {
  ...
};
 * </pre>
 */
public final class AccountInfoHelper {
  private static boolean _inited = false;
  private static boolean _initing = false;
  private static org.omg.CORBA.TypeCode _type;
  private static boolean _initializing;

  private static org.omg.CORBA.ORB _orb () {
    return org.omg.CORBA.ORB.init();
  }

  public static Bank.AccountInfo read (final org.omg.CORBA.portable.InputStream _input) {
    final Bank.AccountInfo _result = new Bank.AccountInfo();
    _result.id = _input.read_string();
    _result.name = _input.read_string();
    _result.balance = _input.read_float();
    return _result;
  }

  public static void write (final org.omg.CORBA.portable.OutputStream _output, final Bank.AccountInfo _vis_value) {
    _output.write_string((java.lang.String)_vis_value.id);
    _output.write_string((java.lang.String)_vis_value.name);
    _output.write_float((float)_vis_value.balance);
  }

  public static void insert (final org.omg.CORBA.Any any, final Bank.AccountInfo _vis_value) {
    any.insert_Streamable(new Bank.AccountInfoHolder(_vis_value));
  }

  public static Bank.AccountInfo extract (final org.omg.CORBA.Any any) {
    Bank.AccountInfo _vis_value;
    if (any instanceof com.inprise.vbroker.CORBA.Any) {
      Bank.AccountInfoHolder _vis_holder = new Bank.AccountInfoHolder();
      ((com.inprise.vbroker.CORBA.Any)any).extract_Streamable(_vis_holder);
      _vis_value = _vis_holder.value;
    }
    else {
      _vis_value = Bank.AccountInfoHelper.read(any.create_input_stream());
    }
    return _vis_value;
  }

  public static org.omg.CORBA.TypeCode type () {
    if (_type == null) {
      synchronized (org.omg.CORBA.TypeCode.class) {
        if (_type == null) {
          if (_initializing) {
            return _orb().create_recursive_tc(id());
          }
          _initializing = true;
          final org.omg.CORBA.StructMember[] members = new org.omg.CORBA.StructMember[3];
          members[0] = new org.omg.CORBA.StructMember("id", _orb().get_primitive_tc(org.omg.CORBA.TCKind.tk_string), null);
          members[1] = new org.omg.CORBA.StructMember("name", _orb().get_primitive_tc(org.omg.CORBA.TCKind.tk_string), null);
          members[2] = new org.omg.CORBA.StructMember("balance", _orb().get_primitive_tc(org.omg.CORBA.TCKind.tk_float), null);
          _type = _orb().create_struct_tc(id(), "AccountInfo", members);
          _initializing = false;
        }
      }
    }
    return _type;
  }

  public static java.lang.String id () {
    return "IDL:Bank/AccountInfo:1.0";
  }
}