Examples of org.apache.tomcat.util.depend.DependManager

org.apache.tomcat.util.depend.DependManager
How it works: - A DependManager gets loaded with a number of Dependency - each Dependency includes a File and a timestamp. - If any of the Files is changed after timestamp this DependManager will set "expired" to true - One check at a time, but without sync - if a check was done recently ( delay property ) - assume nothing changed It is also possible to do the checks in background, but for big servers ( with many contexts) it have scalability problems.

      DeployInfo dInfo=(DeployInfo)expanded.get( ctxBase );
      if( dInfo == null || ! dInfo.srcF.exists() )
    return;


      File warFile=dInfo.srcF;
      DependManager dm=(DependManager)context.getContainer().
    getNote("DependManager");
      if( dm!=null ) {
    log( "Adding dependency " + context + " -> " +  warFile );
    Dependency dep=new Dependency();
    dep.setTarget("web.xml");
    dep.setOrigin( warFile );
    dep.setLastModified( warFile.lastModified() );
    dm.addDependency( dep );
    context.getContainer().setNote( "autoDeploy.war", dInfo);


      } else {
    log( "No reloading for " + context + " -> " +  warFile );
      }

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    }


    public void addContext( ContextManager cm, Context context)
  throws TomcatException
    {
  DependManager dm=(DependManager)context.getContainer().
      getNote("DependManager");
  if( dm==null ) {
      dm=new DependManager();
      context.getContainer().setNote("DependManager", dm);
  }
  if( debug > 0 ) {
      dm.setDebug( debug );
  }
    }

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     */
    public void contextInit( Context context)
  throws TomcatException
    {
        ContextManager cm = context.getContextManager();
  DependManager dm=(DependManager)context.getContainer().
      getNote("DependManager");


  File inf_xml = new File(context.getAbsolutePath() +
        "/WEB-INF/web.xml");
  if( inf_xml.exists() ) {
      Dependency dep=new Dependency();
      dep.setTarget("web.xml");
      dep.setOrigin( inf_xml );
      dep.setLastModified( inf_xml.lastModified() );
      dm.addDependency( dep );
  }


  // Use a DependClassLoader to autmatically record class loader
  // deps
  loaderHook(dm, context);

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  loaderHook(dm, context);
    }
    
    public void reload( Request req, Context context) throws TomcatException {


  DependManager dm=(DependManager)context.getContainer().
      getNote("DependManager");


  if( dm!=null ) {
      // we are using a util.depend for reloading
      dm.reset();
  }
  loaderHook(dm, context);
  log( "Reloading context " + context );
    }

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  // We are remapping ?
  if( request.getAttribute("tomcat.ReloadInterceptor")!=null)
      return 0;
  
  DependManager dm=(DependManager)ctx.getContainer().
      getNote(dependManagerNote);
  if( ! dm.shouldReload() ) return 0;


  if( debug> 0 )
      log( "Detected changes in " + ctx.toString());


  try {

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         f.lastModified() );
  if( debug>0 )
      log.log("origin = " + dep.getOrigin() + " " +
        dep.getOrigin().lastModified());
  try {
      DependManager dm=(DependManager)ctx.getContainer().
    getNote("DependManager");
      if( dm!=null ) {
    dm.addDependency( dep );
      }
  } catch( TomcatException ex ) {
      ex.printStackTrace();
  }
  info.setDependency( dep );

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Related Classes of org.apache.tomcat.util.depend.DependManager

org.apache.tomcat.facade.JasperLiaison

org.apache.tomcat.modules.config.AutoDeploy

org.apache.tomcat.modules.mappers.ReloadInterceptor

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