Examples of org.apache.commons.lang.time.StopWatch

org.apache.commons.lang.time.StopWatch
StopWatch provides a convenient API for timings.

To start the watch, call {@link #start()}. At this point you can:
- {@link #split()} the watch to get the time whilst the watch continues in thebackground. {@link #unsplit()} will remove the effect of the split. At this point,these three options are available again.
- {@link #suspend()} the watch to pause it. {@link #resume()} allows the watchto continue. Any time between the suspend and resume will not be counted in the total. At this point, these three options are available again.
- {@link #stop()} the watch to complete the timing session.
It is intended that the output methods {@link #toString()} and {@link #getTime()}should only be called after stop, split or suspend, however a suitable result will be returned at other points.

NOTE: As from v2.1, the methods protect against inappropriate calls. Thus you cannot now call stop before start, resume before suspend or unsplit before split.

1. split(), suspend(), or stop() cannot be invoked twice
2. unsplit() may only be called if the watch has been split()
3. resume() may only be called if the watch has been suspend()
4. start() cannot be called twice without calling reset()
@author Henri Yandell @author Stephen Colebourne @since 2.0 @version $Id: StopWatch.java 189443 2005-06-07 21:28:07Z scolebourne $

         *  @param maxLength How many hits to return
         *  @return the pages found
         */
        public List findPages( String searchString, int maxLength )
        {
            StopWatch sw = new StopWatch();
            sw.start();


            List<HashMap> list = new ArrayList<HashMap>(maxLength);


            if( searchString.length() > 0 )
            {
                try
                {
                    Collection c;


                    if( m_searchProvider instanceof LuceneSearchProvider )
                        c = ((LuceneSearchProvider)m_searchProvider).findPages( searchString, 0 );
                    else
                        c = m_searchProvider.findPages( searchString );


                    int count = 0;
                    for( Iterator i = c.iterator(); i.hasNext() && count < maxLength; count++ )
                    {
                        SearchResult sr = (SearchResult)i.next();
                        HashMap<String,Object> hm = new HashMap<String,Object>();
                        hm.put( "page", sr.getPage().getName() );
                        hm.put( "score", sr.getScore() );
                        list.add( hm );
                    }
                }
                catch(Exception e)
                {
                    log.info("AJAX search failed; ",e);
                }
            }


            sw.stop();
            if( log.isDebugEnabled() ) log.debug("AJAX search complete in "+sw);
            return list;
        }

View Full Code Here

    {
        String result = "";


        boolean runFilters = "true".equals(m_variableManager.getValue(context,PROP_RUNFILTERS,"true"));


        StopWatch sw = new StopWatch();
        sw.start();
        try
        {
            if( runFilters )
                pagedata = m_filterManager.doPreTranslateFiltering( context, pagedata );


            result = m_renderingManager.getHTML( context, pagedata );


            if( runFilters )
                result = m_filterManager.doPostTranslateFiltering( context, result );
        }
        catch( FilterException e )
        {
            // FIXME: Don't yet know what to do
        }
        sw.stop();
        if( log.isDebugEnabled() )
            log.debug("Page "+context.getRealPage().getName()+" rendered, took "+sw );


        return result;
    }

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        boolean runFilters = "true".equals(m_variableManager.getValue(context,PROP_RUNFILTERS,"true"));


        try
        {
            StopWatch sw = new StopWatch();
            sw.start();


            if( runFilters && m_filterManager != null )
                pagedata = m_filterManager.doPreTranslateFiltering( context, pagedata );


            MarkupParser mp = m_renderingManager.getParser( context, pagedata );
            mp.addLocalLinkHook( localLinkHook );
            mp.addExternalLinkHook( extLinkHook );
            mp.addAttachmentLinkHook( attLinkHook );


            if( !parseAccessRules ) mp.disableAccessRules();


            WikiDocument doc = mp.parse();


            //
            //  In some cases it's better just to parse, not to render
            //
            if( !justParse )
            {
                result = m_renderingManager.getHTML( context, doc );


                if( runFilters && m_filterManager != null )
                    result = m_filterManager.doPostTranslateFiltering( context, result );
            }


            sw.stop();


            if( log.isDebugEnabled() )
                log.debug("Page "+context.getRealPage().getName()+" rendered, took "+sw );
        }
        catch( IOException e )

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    public void testCache()
        throws Exception
    {
        m_engine.saveText( "TestPage", TEST_TEXT );
        
        StopWatch sw = new StopWatch();
        
        System.out.println("DOM cache speed test:");
        sw.start();
        
        for( int i = 0; i < 100; i++ )
        {
            WikiPage page = m_engine.getPage( "TestPage" );
            String pagedata = m_engine.getPureText( page );
            
            WikiContext context = new WikiContext( m_engine, page );
            
            MarkupParser p = m_manager.getParser( context, pagedata );
            
            WikiDocument d = p.parse();
            
            String html = m_manager.getHTML( context, d );
            assertNotNull( "noncached got null response",html);
        }
        
        sw.stop();
        System.out.println("  Nocache took "+sw);


        long nocachetime = sw.getTime();
        
        sw.reset();
        sw.start();
        
        for( int i = 0; i < 100; i++ )
        {
            WikiPage page = m_engine.getPage( "TestPage" );
            String pagedata = m_engine.getPureText( page );
            
            WikiContext context = new WikiContext( m_engine, page );
            
            String html = m_manager.getHTML( context, pagedata );
            
            assertNotNull("cached got null response",html);
        }
        
        sw.stop();
        System.out.println("  Cache took "+sw);
        
        long speedup = nocachetime / sw.getTime();
        System.out.println("  Approx speedup: "+speedup+"x");
    }

View Full Code Here

    }
  }


  public void initFrom(SessionFactory sessionFactory) {
    if (null != sessionFactory && entityTypes.isEmpty()) {
      StopWatch watch = new StopWatch();
      watch.start();
      Map<String, ClassMetadata> classMetadatas = sessionFactory.getAllClassMetadata();
      for (Iterator<ClassMetadata> iter = classMetadatas.values().iterator(); iter.hasNext();) {
        ClassMetadata cm = (ClassMetadata) iter.next();
        buildEntityType(sessionFactory, cm.getEntityName());
      }
      logger.info("Find {} entities,{} collections from hibernate in {} ms", new Object[] {
          entityTypes.size(), collectionTypes.size(), watch.getTime() });
      if (logger.isDebugEnabled()) {
        loggerTypeInfo();
      }
      collectionTypes.clear();
    }

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            if( req != null && m_akismet != null )
            {
                log.debug("Calling Akismet to check for spam...");


                StopWatch sw = new StopWatch();
                sw.start();


                String ipAddress     = req.getRemoteAddr();
                String userAgent     = req.getHeader("User-Agent");
                String referrer      = req.getHeader( "Referer");
                String permalink     = context.getViewURL( context.getPage().getName() );
                String commentType   = context.getRequestContext().equals(WikiContext.COMMENT) ? "comment" : "edit";
                String commentAuthor = context.getCurrentUser().getName();
                String commentAuthorEmail = null;
                String commentAuthorURL   = null;


                boolean isSpam = m_akismet.commentCheck( ipAddress,
                                                         userAgent,
                                                         referrer,
                                                         permalink,
                                                         commentType,
                                                         commentAuthor,
                                                         commentAuthorEmail,
                                                         commentAuthorURL,
                                                         change.toString(),
                                                         null );


                sw.stop();


                log.debug("Akismet request done in: "+sw);


                if( isSpam )
                {

View Full Code Here

    {
        String result = "";


        boolean runFilters = "true".equals(m_variableManager.getValue(context,PROP_RUNFILTERS,"true"));


        StopWatch sw = new StopWatch();
        sw.start();
        try
        {
            if( runFilters )
                pagedata = m_filterManager.doPreTranslateFiltering( context, pagedata );


            result = m_renderingManager.getHTML( context, pagedata );


            if( runFilters )
                result = m_filterManager.doPostTranslateFiltering( context, result );
        }
        catch( FilterException e )
        {
            // FIXME: Don't yet know what to do
        }
        sw.stop();
        if( log.isDebugEnabled() )
            log.debug("Page "+context.getRealPage().getName()+" rendered, took "+sw );


        return result;
    }

View Full Code Here


        boolean runFilters = "true".equals(m_variableManager.getValue(context,PROP_RUNFILTERS,"true"));


        try
        {
            StopWatch sw = new StopWatch();
            sw.start();


            if( runFilters && m_filterManager != null )
                pagedata = m_filterManager.doPreTranslateFiltering( context, pagedata );


            MarkupParser mp = m_renderingManager.getParser( context, pagedata );
            mp.addLocalLinkHook( localLinkHook );
            mp.addExternalLinkHook( extLinkHook );
            mp.addAttachmentLinkHook( attLinkHook );


            if( !parseAccessRules ) mp.disableAccessRules();


            WikiDocument doc = mp.parse();


            //
            //  In some cases it's better just to parse, not to render
            //
            if( !justParse )
            {
                result = m_renderingManager.getHTML( context, doc );


                if( runFilters && m_filterManager != null )
                    result = m_filterManager.doPostTranslateFiltering( context, result );
            }


            sw.stop();


            if( log.isDebugEnabled() )
                log.debug("Page "+context.getRealPage().getName()+" rendered, took "+sw );
        }
        catch( IOException e )

View Full Code Here

    }
    
    public void doPropFind( HttpServletRequest req, HttpServletResponse res )
        throws IOException,ServletException
    {
        StopWatch sw = new StopWatch();
        sw.start();
        
        // Do the "sanitize url" trick
        String p = new String(req.getPathInfo().getBytes("ISO-8859-1"), "UTF-8");
        
        DavPath path = new DavPath( p );
        if( path.isRoot() )
        {
            DavMethod dm = new PropFindMethod( m_rootProvider );
            dm.execute( req, res, path );
        }
        else
        {
            String context = path.get(0);
            
            PropFindMethod m = new PropFindMethod( pickProvider(context) );
            m.execute( req, res, path.subPath(1) );
        }
        
        sw.stop();
        
        log.debug("Propfind done for path "+path+", took "+sw);
    }

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         *  @param maxLength maximum number of suggestions
         *  @return the suggestions
         */
        public List getSuggestions( String wikiName, int maxLength )
        {
            StopWatch sw = new StopWatch();
            sw.start();
            List<String> list = new ArrayList<String>(maxLength);


            if( wikiName.length() > 0 )
            {
                
                // split pagename and attachment filename
                String filename = "";
                int pos = wikiName.indexOf("/");
                if( pos >= 0 ) 
                {
                    filename = wikiName.substring( pos ).toLowerCase();
                    wikiName = wikiName.substring( 0, pos );
                }
                
                String cleanWikiName = MarkupParser.cleanLink(wikiName).toLowerCase() + filename;


                String oldStyleName = MarkupParser.wikifyLink(wikiName).toLowerCase() + filename;


                Set allPages = m_engine.getReferenceManager().findCreated();


                int counter = 0;
                for( Iterator i = allPages.iterator(); i.hasNext() && counter < maxLength; )
                {
                    String p = (String) i.next();
                    String pp = p.toLowerCase();
                    if( pp.startsWith( cleanWikiName) || pp.startsWith( oldStyleName ) )
                    {
                        list.add( p );
                        counter++;
                    }
                }
            }


            sw.stop();
            if( log.isDebugEnabled() ) log.debug("Suggestion request for "+wikiName+" done in "+sw);
            return list;
        }

View Full Code Here

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