BackupResult.java

/*

Copyright (c) 2004, Garrick Toubassi

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

*/

/*
 * Created on Aug 22, 2004
 */
package com.toubassi.filebunker.vault;


/**
 * @author garrick
 */
public class BackupResult
{
    private int numberOfFiles;
    private long totalBytes;
    private long totalBackedupBytes;
    private long startMillis;
    private long endMillis;

    public void add(FileRevision revision)
    {
        numberOfFiles++;
        totalBytes += revision.size();
        totalBackedupBytes += revision.backedupSize();
        
        if (startMillis == 0) {
            startMillis = System.currentTimeMillis();
        }
        if (endMillis != 0) {
            // We must not be done yet.  Somebody might
            // call backupDuration during an operation.
            endMillis = 0;
        }
    }
        
    /**
     * Returns the duration of the operation in milliseconds.  The
     * duration is from the time of the first call to "add", and the
     * time to the first call to this method not followed by another
     * call to "add".
     */
    public long backupDuration()
    {
        if (startMillis == 0) {
            // Never started
            return 0;
        }
        if (endMillis == 0) {
            endMillis = System.currentTimeMillis();
        }
        return endMillis - startMillis;
    }
    
    public int numberOfFiles()
    {
        return numberOfFiles;
    }
    
    public long totalBytes()
    {
        return totalBytes;
    }
    
    public long totalBackedupBytes()
    {
        return totalBackedupBytes;
    }
    
    public float compressionRatio()
    {
        return ((float)totalBackedupBytes)/((float)totalBytes);
    }
    
    public String toString()
    {
        StringBuffer buffer = new StringBuffer();
        buffer.append(numberOfFiles);
        buffer.append(" files  ");
        buffer.append(totalBytes);
        buffer.append(" bytes  ");
        buffer.append(totalBackedupBytes);
        buffer.append(" backed up bytes");
        return buffer.toString();
    }
}