2002-01-30 21:22:28 -05:00
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/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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2003-04-30 00:39:21 -04:00
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* Copyright (c) 2003 The Apache Software Foundation. All rights
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2002-01-30 21:22:28 -05:00
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" and
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* "Apache POI" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* "Apache POI", nor may "Apache" appear in their name, without
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* prior written permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*/
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package org.apache.poi.hssf.record.aggregates;
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import org.apache.poi.hssf.record.Record;
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import org.apache.poi.hssf.record.RowRecord;
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import org.apache.poi.hssf.record.UnknownRecord;
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2002-05-21 14:28:35 -04:00
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import java.util.Map;
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import java.util.TreeMap;
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2002-01-30 21:22:28 -05:00
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import java.util.Iterator;
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import java.util.List;
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/**
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*
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* @author andy
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2002-09-04 20:26:28 -04:00
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* @author Jason Height (jheight at chariot dot net dot au)
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2002-01-30 21:22:28 -05:00
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*/
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public class RowRecordsAggregate
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extends Record
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{
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int firstrow = -1;
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int lastrow = -1;
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Map records = null;
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2002-01-30 21:22:28 -05:00
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int size = 0;
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/** Creates a new instance of ValueRecordsAggregate */
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public RowRecordsAggregate()
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{
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records = new TreeMap();
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2002-01-30 21:22:28 -05:00
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}
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public void insertRow(RowRecord row)
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{
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size += row.getRecordSize();
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// Integer integer = new Integer(row.getRowNumber());
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records.put(row, row);
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if ((row.getRowNumber() < firstrow) || (firstrow == -1))
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{
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firstrow = row.getRowNumber();
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}
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if ((row.getRowNumber() > lastrow) || (lastrow == -1))
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{
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lastrow = row.getRowNumber();
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}
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}
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public void removeRow(RowRecord row)
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{
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size -= row.getRecordSize();
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// Integer integer = new Integer(row.getRowNumber());
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records.remove(row);
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}
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public RowRecord getRow(int rownum)
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{
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// Integer integer = new Integer(rownum);
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RowRecord row = new RowRecord();
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row.setRowNumber(( short ) rownum);
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return ( RowRecord ) records.get(row);
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}
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public int getPhysicalNumberOfRows()
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{
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return records.size();
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}
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public int getFirstRowNum()
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{
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return firstrow;
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}
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public int getLastRowNum()
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{
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return lastrow;
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}
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2003-05-09 08:39:08 -04:00
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/*
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* No need to go through all the records as we're just collecting RowRecords
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2002-01-30 21:22:28 -05:00
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public int construct(int offset, List records)
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{
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int k = 0;
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for (k = offset; k < records.size(); k++)
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{
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Record rec = ( Record ) records.get(k);
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if (!rec.isInValueSection() && !(rec instanceof UnknownRecord))
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{
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break;
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}
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if (rec.getSid() == RowRecord.sid)
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{
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insertRow(( RowRecord ) rec);
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}
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}
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return k;
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}
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2003-05-09 08:39:08 -04:00
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*/
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2002-01-30 21:22:28 -05:00
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/**
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* called by the class that is responsible for writing this sucker.
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* Subclasses should implement this so that their data is passed back in a
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* byte array.
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*
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2002-02-19 17:58:48 -05:00
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* @param offset offset to begin writing at
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* @param data byte array containing instance data
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2002-01-30 21:22:28 -05:00
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* @return number of bytes written
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*/
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public int serialize(int offset, byte [] data)
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{
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Iterator itr = records.values().iterator();
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int pos = offset;
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while (itr.hasNext())
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{
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pos += (( Record ) itr.next()).serialize(pos, data);
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}
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return pos - offset;
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}
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/**
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* called by the constructor, should set class level fields. Should throw
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* runtime exception for bad/icomplete data.
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*
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* @param data raw data
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* @param size size of data
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* @param offset of the record's data (provided a big array of the file)
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*/
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protected void fillFields(byte [] data, short size, int offset)
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{
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}
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/**
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* called by constructor, should throw runtime exception in the event of a
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* record passed with a differing ID.
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*
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* @param id alleged id for this record
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*/
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protected void validateSid(short id)
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{
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}
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/**
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* return the non static version of the id for this record.
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*/
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public short getSid()
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{
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return -1000;
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}
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public int getRecordSize()
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{
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return size;
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}
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public Iterator getIterator()
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{
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return records.values().iterator();
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}
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2002-05-21 14:28:35 -04:00
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2002-09-04 20:26:28 -04:00
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/** Performs a deep clone of the record*/
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public Object clone() {
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RowRecordsAggregate rec = new RowRecordsAggregate();
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for (Iterator rowIter = getIterator(); rowIter.hasNext();) {
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//return the cloned Row Record & insert
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RowRecord row = (RowRecord)((RowRecord)rowIter.next()).clone();
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rec.insertRow(row);
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}
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return rec;
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}
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2002-01-30 21:22:28 -05:00
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}
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2002-05-21 14:28:35 -04:00
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