psb.java

一个数据挖掘软件ALPHAMINERR的整个过程的JAVA版源代码

/*
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/**
 * Title: XELOPES Data Mining Library
 * Description: The XELOPES library is an open platform-independent and data-source-independent library for Embedded Data Mining.
 * Copyright: Copyright (c) 2002 Prudential Systems Software GmbH
 * Company: ZSoft (www.zsoft.ru), Prudsys (www.prudsys.com)
 * @author Valentine Stepanenko ([e-mail])
 * @version 1.0
 */

package com.prudsys.pdm.Cwm.IMSDatabase;

import com.prudsys.pdm.Cwm.Record.*;
import com.prudsys.pdm.Cwm.IMSDatabase.IMSTypes.*;

/**
 * An instance of this object class represents the root entity of a PSB user
 * object. Within IMS, a PSB (Program Specification Block) is a series of PCB
 * macro instructions that describe an application program?s I/O operations and
 * its view and use of segments and fields in IMS databases. The types of PCBs are
 * TP PCB which describes interactions with logical terminals, GSAM PCB which is
 * based on a GSAM DBD used as an input or output dataset, and DB PCB which can
 * relate to segments and fields in its base DBD.
 */
public class PSB extends RecordFile
{

   /**
    * The value in this attribute provides for compatibility between BMP or MSG and
    * Batch-DL/I parameter lists. When TRUE, the PSB is always treated as if there
    * were an I/O PCB, no matter how it is used. When FALSE, the PSB has an I/O PCB
    * added only when run in a BMP or MSG region.
    */
   public Boolean compatibility;

   /**
    * The value in this attribute represents the condition code returned to the
    * operating system when IMS/VS terminates normally and one or more input or
    * output errors occurred on any data base during the application program
    * execution.
    */
   public Integer ioErrorOption;

   /**
    * This attribute holds the size of the largest I/O area to be used by the
    * application program. The size specification is used to determine the amount of
    * main storage reserved in the PSB pool to hold the control region?s copy of the
    * user?s I/O area data during scheduling of this application program. If this
    * value is not specified, the ACB utility program calculates a maximum I/O area
    * size to be used as a
    *
    * default. The size calculated is the total length of all sensitive segments in
    * the longest possible path call. The value specified is in bytes.
    */
   public Integer ioaSize;

   /**
    * This attribute holds the language label used on the PSBGEN statement.
    */
   public PSBLanguageType language;

   /**
    * The value in this attribute indicates the maximum number of locks an
    * application program can get at one time. The value is specified in units of
    * 1000. For example, a lockMaximum value of 5 indicates a maximum of 5000 locks
    * at one time. A value of 0 turns off the limit.
    */
   public Integer lockMaximum;

   /**
    * The value in this attribute represents the maximum number of data base calls
    * with Qx command codes which may be issued between synchronization points. If
    * this number is exceeded, the application program will abend.
    */
   public Integer maximumQxCalls;

   /**
    * This attribute specifies whether the user of this PSB is authorized to execute
    * the Online Data Base Image Copy utility or the Surveyor utility feature run as
    * a BMP against a data based named in this PSB. When TRUE, use of the Online
    * Image Copy and the Surveyor utility feature is allowed; When FALSE, use of the
    * Online Image copy and the Surveyor utility feature is prohibited.
    */
   public Boolean onlineImageCopy;

   /**
    * The value in this attribute represents the maximum total length of all SSAs to
    * be used by the application program. The size specification is used to determine
    * the amount of main storage reserved in the PSB pool to hold the control
    * region?s copy of the user?s SSA string during scheduling of this application
    * program. If not specified, the ACB utility program calculates the maximum SSA
    * size to be used as a default. The size calculated is the maximum number of
    * levels in any PCB within this PSB times 280. The value specified is in bytes.
    */
   public Integer ssaSize;

   /**
    * This attributes holds a subparameter of the IOEROPN parameter. It is tied to
    * the "write-to-operator-with-reply" function in the Utility Control facility.
    * When TRUE, a WTOR for the DFS0451A I/O error message is issued, and DL/I waits
    * for the operator to respond before continuing.
    */
   public Boolean writeToOperator;
   public ACBLIB acblib[];
   public PCB pcb[];
   public PSBLib library[];

   public PSB()
   {

   }
}