package org.sadun.util.polling.pollmanagers;

import java.io.File;

import org.sadun.util.polling.BasePollerEvent;
import org.sadun.util.polling.CycleEndEvent;
import org.sadun.util.polling.CycleStartEvent;
import org.sadun.util.polling.DirectoryLookupEndEvent;
import org.sadun.util.polling.DirectoryLookupStartEvent;
import org.sadun.util.polling.FileFoundEvent;
import org.sadun.util.polling.FileMovedEvent;
import org.sadun.util.polling.FileSetFoundEvent;
import org.sadun.util.polling.PollManager;

/**
 * A PollManager which simply keeps a journal of events and processed files.
 * <p> 
 * This class is abstract as it doesn't identify the device where
 * to store the information.
 *
 * @author Cristiano Sadun
 */
public abstract class HistoryPollManager implements PollManager {

    
    public void cycleEnded(CycleEndEvent evt) {
        storeEvent(evt);

    }
    public void cycleStarted(CycleStartEvent evt) {
        storeEvent(evt);

    }
    public void directoryLookupEnded(DirectoryLookupEndEvent evt) {
        storeEvent(evt);

    }
    public void directoryLookupStarted(DirectoryLookupStartEvent evt) {
        storeEvent(evt);

    }
    public void exceptionDeletingTargetFile(File target) {
        storeAutomoveException(new Exception("delete"), target);

    }
    public void exceptionMovingFile(File file, File dest) {
        storeAutomoveException(new Exception("move"), dest);

    }
    public void fileFound(FileFoundEvent evt) {
        storeEvent(evt);

    }
    public void fileMoved(FileMovedEvent evt) {
        storeEvent(evt);

    }
    public void fileSetFound(FileSetFoundEvent evt) {
        storeEvent(evt);
    }
    
    protected abstract void storeEvent(BasePollerEvent evt);
        protected abstract void storeAutomoveException(Exception e, File target);
}