recordfile.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.Record;

import java.util.Collection;
import java.util.Iterator;

/**
 * A RecordFile is the definition of a file. It may have one or more RecordDefs,
 * defining the structure of the records in the file. Each of these RecordDefs
 * defines a valid structure for records in the file. Subclasses of RecordFile in
 * extensions to support specific languages and systems may be used to represent
 * specific types of files such as COBOL CopyLib files and C-language header files.
 *
 *
 *
 * Physical deployments of a RecordFile can be found via the
 * DataManagerDataPackage association in the SoftwareDeployment package .
 */
public class RecordFile extends com.prudsys.pdm.Cwm.Core.Package implements org.omg.cwm.resource.record.RecordFile
{

   /**
    * True if the contents of fields in the first record of the file contain field
    * names applicable to subsequent records.
    */
   public com.prudsys.pdm.Cwm.Core.Boolean isSelfDescribing = new com.prudsys.pdm.Cwm.Core.Boolean();

   /**
    * Contains the value that serves as a logical end-of-record indication in a
    * stream-oriented file. A common examples include the usage of carriage-return
    * characters and carriage-return/line-feed character pairs as new-line characters
    * in ASCII text files.
    */
   public com.prudsys.pdm.Cwm.Core.Integer recordDelimiter = new com.prudsys.pdm.Cwm.Core.Integer();

   /**
    * The number of records to ignore at the beginning of a file. The specific
    * semantics of records that are skipped may be beyond the scope of CWM.
    */
   public com.prudsys.pdm.Cwm.Core.Integer skipRecords = new com.prudsys.pdm.Cwm.Core.Integer();

   public RecordDef record[];

   public RecordFile()
   {

   }

   public Boolean getIsSelfDescribing() {
     return isSelfDescribing.getBoolean();
   }

   public void setIsSelfDescribing(Boolean isSelfDescribing) {
     com.prudsys.pdm.Cwm.Core.Boolean b = new com.prudsys.pdm.Cwm.Core.Boolean();
     b.setBoolean(isSelfDescribing);
     this.isSelfDescribing = b;
   }

   public boolean isSelfDescribingValue() {
     return isSelfDescribing.isBooleanValue();
   }

   public void setIsSelfDescribing(boolean isSelfDescribing) {
     setIsSelfDescribing( new Boolean(isSelfDescribing) );
   }


   public Collection getRecord() {
     return com.prudsys.pdm.Cwm.Core.CWMTools.ArrayToList(record);
   }

   public void setRecord(Collection record) {

     this.record = new RecordDef[ record.size() ];
     Iterator it = record.iterator();
     for (int i = 0; i < record.size(); i++)
       this.record[i] = (RecordDef) it.next();
   }

   public void addRecord( org.omg.cwm.resource.record.RecordDef input) {

     int size = (record == null) ? 0 : record.length;
     RecordDef[] oldData = record;
     record = new RecordDef[size+1];
     if (size > 0) System.arraycopy(oldData, 0, record, 0, size);
     record[size] = (RecordDef) input;
   }

   public void removeRecord( org.omg.cwm.resource.record.RecordDef input) {

     int size = (record == null) ? 0 : record.length;
     if (size == 0)
       return;

     int ipos = -1;
     for (int i = 0; i < size; i++)
       if (record[i].equals(input)) {
         ipos = i;
         break;
       }
     if (ipos == -1)
       return;

     RecordDef[] oldData = record;
     record = new RecordDef[size-1];
     for (int i = 0; i < ipos; i++)
       record[i] = oldData[i];
     for (int i = ipos+1; i < size; i++)
       record[i-1] = oldData[i];
   }

   public Long getRecordDelimiter() {
     return recordDelimiter.getLong();
   }

   public void setRecordDelimiter(Long recordDelimiter) {
     com.prudsys.pdm.Cwm.Core.Integer i = new com.prudsys.pdm.Cwm.Core.Integer();
     i.setLong(recordDelimiter);
     this.recordDelimiter = i;
   }

   public Long getSkipRecords() {
     return skipRecords.getLong();
   }

   public void setSkipRecords(Long skipRecords) {
     com.prudsys.pdm.Cwm.Core.Integer i = new com.prudsys.pdm.Cwm.Core.Integer();
     i.setLong(skipRecords);
     this.skipRecords = i;
   }

   public String toString() {

     String s = "RecordFile name = " + getName() + " \n";
     if (record != null)
       for (int i = 0; i < record.length; i++)
         s = s + record[i].toString() + "\n";

     return s;
   }
}