Android Open Source - cost-tracker I Tracker

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.helpguest.droid.tracker;
/* w w  w. j a va  2  s .  co m*/
import java.util.Collection;
import java.util.Date;

/**
 * Interface to ITracker object which associates a name to a 
 * collection of ITrackerClock objects
 * @author da007ab
 *
 */
public interface ITracker {

  /**
   * @return The name of this ITracker
   */
  public String getName();
  
  /**
   * @param name to set for this ITracker
   */
  public void setName(String name);
  
  /**
   * @return the short description of this Tracker
   */
  public String getDescription();
  
  /**
   * @param description to add to this Tracker
   */
  public void setDescription(String description);
  
  /**
   * @return all ITrackerClocks associated with this ITracker
   */
  public Collection<ITrackerClock> getAllTrackerClocks();
  
  /**
   * @param date to limit the collection by
   * @return all {@link #ITrackerClock ITrackerClocks} for the given date
   */
  public Collection<ITrackerClock> getTrackerClocks(Date date);

  /**
   * 
   * @param tClock to add to this ITracker
   */
  public void add(ITrackerClock tClock);

  /**
   * 
   * @param trackerClocks Collection to add to this ITracker
   */
  public void add(Collection<ITrackerClock> trackerClocks);
  
  /**
   * An active tracker clock is one which has either never been started or
   * has been started but not stopped.
   * There should be 0 or 1 active tracker clocks. Multiple tracker clocks
   * should not be possible.
   * @return the active tracker clock or null if no tracker clock in this ITracker
   * has been started but not stopped.
   */
  public ITrackerClock getActiveTrackerClock();
  
  /**
   * 
   * @param visible set to true if this Tracker should be displayed in UI pages, false 
   * to hide this Tracker in UI views
   */
  public void setVisible(boolean visible);
  
  /**
   * 
   * @return true if this tracker should be visible in UI views otherwise false.
   */
  public boolean isVisible();

  /**
   * 
   * @return true if this ITracker has clocks which will automatically be stopped when 
   * a different ITracker's ITrackerClock in the same ITrackerManager is started
   */
  public boolean isAutoStop();
  
  /**
   * 
   * @param autoStop flag is set to true to give an indication to the ITrackerManager to stop
   * tracker clocks on this tracker when a different ITracker has it's clock started.
   */
  public void setAutoStop(boolean autoStop);
}

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