poi/src/java/org/apache/poi/hssf/record/aggregates/FormulaRecordAggregate.java

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package org.apache.poi.hssf.record.aggregates;

import org.apache.poi.hssf.record.*;

/**
 * The formula record aggregate is used to join together the formula record and it's
 * (optional) string record.
 *
 * @author Glen Stampoultzis (glens at apache.org)
 */
public class FormulaRecordAggregate
        extends Record
        implements CellValueRecordInterface, Comparable
{
    public final static short sid       = -2000;

    private FormulaRecord formulaRecord;
    private StringRecord stringRecord;

    public FormulaRecordAggregate( FormulaRecord formulaRecord, StringRecord stringRecord )
    {
        this.formulaRecord = formulaRecord;
        this.stringRecord = stringRecord;
    }



    protected void validateSid( short id )
    {
    }

    protected void fillFields( byte[] data, short size, int offset )
    {
    }

    /**
     * called by the class that is responsible for writing this sucker.
     * Subclasses should implement this so that their data is passed back in a
     * byte array.
     *
     * @param offset to begin writing at
     * @param data byte array containing instance data
     * @return number of bytes written
     */

    public int serialize( int offset, byte[] data )
    {
        int pos = offset;
        pos += formulaRecord.serialize(pos, data);
        if (stringRecord != null)
        {
            pos += stringRecord.serialize(pos, data);
        }
        return pos - offset;
    }

    /**
     * gives the current serialized size of the record. Should include the sid and reclength (4 bytes).
     */
    public int getRecordSize()
    {
        int size = formulaRecord.getRecordSize() + (stringRecord == null ? 0 : stringRecord.getRecordSize());
        return size;
    }


    /**
     * return the non static version of the id for this record.
     */
    public short getSid()
    {
        return sid;
    }

    public void setStringRecord( StringRecord stringRecord )
    {
        this.stringRecord = stringRecord;
    }

    public void setFormulaRecord( FormulaRecord formulaRecord )
    {
        this.formulaRecord = formulaRecord;
    }

    public FormulaRecord getFormulaRecord()
    {
        return formulaRecord;
    }

    public StringRecord getStringRecord()
    {
        return stringRecord;
    }

    public boolean isEqual(CellValueRecordInterface i)
    {
        return formulaRecord.isEqual( i );
    }

    public boolean isAfter(CellValueRecordInterface i)
    {
        return formulaRecord.isAfter( i );
    }

    public boolean isBefore(CellValueRecordInterface i)
    {
        return formulaRecord.isBefore( i );
    }

    public short getXFIndex()
    {
        return formulaRecord.getXFIndex();
    }

    public void setXFIndex(short xf)
    {
        formulaRecord.setXFIndex( xf );
    }

    public void setColumn(short col)
    {
        formulaRecord.setColumn( col );
    }

    public void setRow(int row)
    {
        formulaRecord.setRow( row );
    }

    public short getColumn()
    {
        return formulaRecord.getColumn();
    }

    public int getRow()
    {
        return formulaRecord.getRow();
    }

    public int compareTo(Object o)
    {
        return formulaRecord.compareTo( o );
    }

    public boolean equals(Object obj)
    {
        return formulaRecord.equals( obj );
    }

    public String toString()
    {
        return formulaRecord.toString();
    }
    
    /**
     * @see java.lang.Object#clone()
     */
    public Object clone() {
        return new FormulaRecordAggregate((FormulaRecord) this.formulaRecord.clone(), (StringRecord) this.stringRecord.clone());
    }



}