Line data    Source code

       1             : //# CasapyWatcher.cc: Class to notify children about casapy events.
       2             : //# Copyright (C) 2009
       3             : //# Associated Universities, Inc. Washington DC, USA.
       4             : //#
       5             : //# This library is free software; you can redistribute it and/or modify it
       6             : //# under the terms of the GNU Library General Public License as published by
       7             : //# the Free Software Foundation; either version 2 of the License, or (at your
       8             : //# option) any later version.
       9             : //#
      10             : //# This library is distributed in the hope that it will be useful, but WITHOUT
      11             : //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
      12             : //# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
      13             : //# License for more details.
      14             : //#
      15             : //# You should have received a copy of the GNU Library General Public License
      16             : //# along with this library; if not, write to the Free Software Foundation,
      17             : //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
      18             : //#
      19             : //# Correspondence concerning AIPS++ should be addressed as follows:
      20             : //#        Internet email: casa-feedback@nrao.edu.
      21             : //#        Postal address: AIPS++ Project Office
      22             : //#                        National Radio Astronomy Observatory
      23             : //#                        520 Edgemont Road
      24             : //#                        Charlottesville, VA 22903-2475 USA
      25             : //#
      26             : //# $Id: $
      27             : #include <stdcasa/CasapyWatcher.h>
      28             : 
      29             : using namespace std;
      30             : using namespace casacore;
      31             : 
      32             : namespace casac {
      33             : 
      34             : ///////////////////////////////
      35             : // CASAPYWATCHER DEFINITIONS //
      36             : ///////////////////////////////
      37             : 
      38             : // Static //
      39             : 
      40             : vector<CasapyWatcher*> *CasapyWatcher::WATCHERS = 0;
      41             : 
      42             : // CasapyWatcher::Singleton CasapyWatcher::SINGLETON = Singleton();
      43             : 
      44             : 
      45           0 : void CasapyWatcher::registerWatcher(CasapyWatcher* watcher) {
      46             : 
      47           0 :     if ( WATCHERS == 0 ) {
      48           0 :         WATCHERS = new vector<CasapyWatcher*>();
      49             :     }
      50             : 
      51           0 :     if ( watcher == NULL ) return;
      52             : 
      53           0 :     for ( unsigned int i = 0; i < WATCHERS->size(); i++ )
      54           0 :         if ( watcher == (*WATCHERS)[i] ) return;
      55             : 
      56           0 :     WATCHERS->push_back(watcher);
      57             : }
      58             : 
      59           0 : void CasapyWatcher::unregisterWatcher(CasapyWatcher* watcher) {
      60           0 :     if ( WATCHERS == 0 ) return;
      61           0 :     if ( watcher == NULL ) return;
      62           0 :     for ( unsigned int i = 0; i < WATCHERS->size(); i++ ) {
      63           0 :         if ( (*WATCHERS)[i] == watcher ) {
      64           0 :             WATCHERS->erase(WATCHERS->begin() + i);
      65           0 :             break;
      66             :         }
      67             :     }
      68             : }
      69             : 
      70             : 
      71           0 : void CasapyWatcher::logChanged_(const String& sinkLocation) {
      72           0 :     if ( WATCHERS == 0 ) return;
      73           0 :     for ( unsigned int i = 0; i < WATCHERS->size(); i++ )
      74           0 :         (*WATCHERS)[i]->logChanged(sinkLocation);
      75             : }
      76             : 
      77           0 : void CasapyWatcher::logChanged_(LogMessage::Priority filterPriority) {
      78           0 :     if ( WATCHERS == 0 ) return;
      79           0 :     for ( unsigned int i = 0; i < WATCHERS->size(); i++ )
      80           0 :         (*WATCHERS)[i]->logChanged(filterPriority);
      81             : }
      82             : 
      83           0 : void CasapyWatcher::casapyClosing_() {
      84           0 :     if ( WATCHERS == 0 ) return;
      85           0 :     for ( unsigned int i = 0; i < WATCHERS->size(); i++ )
      86           0 :         (*WATCHERS)[i]->casapyClosing();
      87             : }
      88             : 
      89             : 
      90             : // Non-Static //
      91             : 
      92           0 : CasapyWatcher::CasapyWatcher() { }
      93           0 : CasapyWatcher::~CasapyWatcher() { unregisterWatcher(this); }
      94           0 : void CasapyWatcher::logChanged(const String& /*sinkLocation*/) { }
      95           0 : void CasapyWatcher::logChanged(LogMessage::Priority /*filterPriority*/) { }
      96           0 : void CasapyWatcher::casapyClosing() { }
      97             : 
      98             : }