package min3d.vos; import min3d.interfaces.IDirtyManaged; import min3d.interfaces.IDirtyParent; public abstract class AbstractDirtyManaged implements IDirtyManaged { protected IDirtyParent _parent; protected boolean _dirty; public AbstractDirtyManaged(IDirtyParent $parent) { _parent = $parent; } public boolean isDirty() { return _dirty; } public void setDirtyFlag() { _dirty = true; if (_parent != null) _parent.onDirty(); } public void clearDirtyFlag() { _dirty = false; } }