Ejemplo n.º 1
0
  /**
   * Construct a {@link SubProcessHeavy SubProcessHeavy} instance which when executed will fulfill
   * the given action agenda.
   *
   * <p>
   *
   * @param agenda The agenda to be accomplished by the action.
   * @param outFile The file to which all STDOUT output is redirected.
   * @param errFile The file to which all STDERR output is redirected.
   * @return The SubProcess which will fulfill the agenda.
   * @throws PipelineException If unable to prepare a SubProcess due to illegal, missing or
   *     imcompatable information in the action agenda or a general failure of the prep method code.
   */
  public SubProcessHeavy prep(ActionAgenda agenda, File outFile, File errFile)
      throws PipelineException {
    /* create the process to run the action */
    try {
      ArrayList<String> args = new ArrayList<String>();

      for (File file : agenda.getPrimaryTarget().getFiles()) args.add(file.toString());

      for (FileSeq fseq : agenda.getSecondaryTargets()) {
        for (File file : fseq.getFiles()) args.add(file.toString());
      }

      return new SubProcessHeavy(
          agenda.getNodeID().getAuthor(),
          getName() + "-" + agenda.getJobID(),
          "touch",
          args,
          agenda.getEnvironment(),
          agenda.getWorkingDir(),
          outFile,
          errFile);
    } catch (Exception ex) {
      throw new PipelineException(
          "Unable to generate the SubProcess to perform this Action!\n" + ex.getMessage());
    }
  }
Ejemplo n.º 2
0
  /**
   * Construct a {@link SubProcessHeavy SubProcessHeavy} instance which when executed will fulfill
   * the given action agenda.
   *
   * <p>
   *
   * @param agenda The agenda to be accomplished by the action.
   * @param outFile The file to which all STDOUT output is redirected.
   * @param errFile The file to which all STDERR output is redirected.
   * @return The SubProcess which will fulfill the agenda.
   * @throws PipelineException If unable to prepare a SubProcess due to illegal, missing or
   *     imcompatable information in the action agenda or a general failure of the prep method code.
   */
  public SubProcessHeavy prep(ActionAgenda agenda, File outFile, File errFile)
      throws PipelineException {
    NodeID nodeID = agenda.getNodeID();

    /* sanity checks */
    String opname = null;
    File source = null;
    File preRender = null;
    File postRender = null;
    File preFrame = null;
    File postFrame = null;
    {
      {
        FileSeq fseq = agenda.getPrimaryTarget();
        if (!fseq.hasFrameNumbers())
          throw new PipelineException(
              "The HfsComposite Action requires that the output images have frame numbers.");
      }

      /* generate the filename of the Houdini scene to load */
      {
        String sname = (String) getSingleParamValue("HoudiniScene");
        if (sname != null) {
          FileSeq fseq = agenda.getPrimarySource(sname);
          if (fseq == null)
            throw new PipelineException(
                "Somehow the Houdini Scene node ("
                    + sname
                    + ") was not one of the source "
                    + "nodes!");

          String suffix = fseq.getFilePattern().getSuffix();
          if (!fseq.isSingle() || (suffix == null) || !suffix.equals("hip"))
            throw new PipelineException(
                "The HfsComposite Action requires that the source node specified by the "
                    + "Houdini Scene parameter ("
                    + sname
                    + ") must have a single Houdini scene "
                    + "file (.hip) as its primary file sequence!");

          NodeID snodeID = new NodeID(nodeID, sname);
          source =
              new File(PackageInfo.sProdDir, snodeID.getWorkingParent() + "/" + fseq.getFile(0));
        } else {
          throw new PipelineException(
              "The HfsComposite Action requires the Houdini Scene parameter to be set!");
        }
      }

      /* the full name of the geometry output operator */
      {
        String name = (String) getSingleParamValue("OutputOperator");
        if ((name == null) || (name.length() == 0))
          throw new PipelineException(
              "The HfsComposite Action requires a valid Output Operator name!");

        opname = ("/out/" + name);
      }

      /* command script files */
      {
        String sname = (String) getSingleParamValue("PreRenderScript");
        if (sname != null) {
          FileSeq fseq = agenda.getPrimarySource(sname);
          if (fseq == null)
            throw new PipelineException(
                "Somehow the Pre Render Script node ("
                    + sname
                    + ") was not one of the "
                    + "source nodes!");

          String suffix = fseq.getFilePattern().getSuffix();
          if (!fseq.isSingle() || (suffix == null) || !(suffix.equals("cmd")))
            throw new PipelineException(
                "The HfsComposite Action requires that the source node specified by the Pre "
                    + "Render Script parameter ("
                    + sname
                    + ") must have a single command script "
                    + "(.cmd) as its primary file sequence!");

          NodeID snodeID = new NodeID(nodeID, sname);
          preRender =
              new File(PackageInfo.sProdDir, snodeID.getWorkingParent() + "/" + fseq.getFile(0));
        }
      }

      {
        String sname = (String) getSingleParamValue("PostRenderScript");
        if (sname != null) {
          FileSeq fseq = agenda.getPrimarySource(sname);
          if (fseq == null)
            throw new PipelineException(
                "Somehow the Post Render Script node ("
                    + sname
                    + ") was not one of the "
                    + "source nodes!");

          String suffix = fseq.getFilePattern().getSuffix();
          if (!fseq.isSingle() || (suffix == null) || !(suffix.equals("cmd")))
            throw new PipelineException(
                "The HfsComposite Action requires that the source node specified by the "
                    + "Post Render Script parameter ("
                    + sname
                    + ") must have a single command "
                    + "script (.cmd) as its primary file sequence!");

          NodeID snodeID = new NodeID(nodeID, sname);
          postRender =
              new File(PackageInfo.sProdDir, snodeID.getWorkingParent() + "/" + fseq.getFile(0));
        }
      }

      {
        String sname = (String) getSingleParamValue("PreFrameScript");
        if (sname != null) {
          FileSeq fseq = agenda.getPrimarySource(sname);
          if (fseq == null)
            throw new PipelineException(
                "Somehow the Pre Frame Script node ("
                    + sname
                    + ") was not one of the "
                    + "source nodes!");

          String suffix = fseq.getFilePattern().getSuffix();
          if (!fseq.isSingle() || (suffix == null) || !(suffix.equals("cmd")))
            throw new PipelineException(
                "The HfsComposite Action requires that the source node specified by the Pre "
                    + "Frame Script parameter ("
                    + sname
                    + ") must have a single command script "
                    + "(.cmd) as its primary file sequence!");

          NodeID snodeID = new NodeID(nodeID, sname);
          preFrame =
              new File(PackageInfo.sProdDir, snodeID.getWorkingParent() + "/" + fseq.getFile(0));
        }
      }

      {
        String sname = (String) getSingleParamValue("PostFrameScript");
        if (sname != null) {
          FileSeq fseq = agenda.getPrimarySource(sname);
          if (fseq == null)
            throw new PipelineException(
                "Somehow the Post Frame Script node ("
                    + sname
                    + ") was not one of the "
                    + "source nodes!");

          String suffix = fseq.getFilePattern().getSuffix();
          if (!fseq.isSingle() || (suffix == null) || !(suffix.equals("cmd")))
            throw new PipelineException(
                "The HfsComposite Action requires that the source node specified by the "
                    + "Post Frame Script parameter ("
                    + sname
                    + ") must have a single command "
                    + "script (.cmd) as its primary file sequence!");

          NodeID snodeID = new NodeID(nodeID, sname);
          postFrame =
              new File(PackageInfo.sProdDir, snodeID.getWorkingParent() + "/" + fseq.getFile(0));
        }
      }
    }

    /* create the temporary Houdini command script */
    File hscript = createTemp(agenda, 0644, "cmd");
    try {
      FileWriter out = new FileWriter(hscript);

      FileSeq fseq =
          new FileSeq(
              PackageInfo.sProdDir.getPath() + nodeID.getWorkingParent(),
              agenda.getPrimaryTarget());
      if (fseq.hasFrameNumbers()) {
        FilePattern fpat = fseq.getFilePattern();
        FrameRange frange = fseq.getFrameRange();
        out.write(
            "opparm "
                + opname
                + " trange on\n"
                + "opparm "
                + opname
                + " f1 "
                + frange.getStart()
                + "\n"
                + "opparm "
                + opname
                + " f2 "
                + frange.getEnd()
                + "\n"
                + "opparm "
                + opname
                + " f3 "
                + frange.getBy()
                + "\n"
                + "opparm "
                + opname
                + " copoutput '"
                + fpat.getPrefix()
                + ".$F");

        if (fpat.getPadding() > 1) out.write(String.valueOf(fpat.getPadding()));

        out.write("." + fpat.getSuffix() + "'\n");
      } else {
        out.write("opparm " + opname + " trange off\n" + "opparm " + opname + " " + fseq + "\n");
      }

      if (preRender != null) out.write("opparm " + opname + " prerender '" + preRender + "'\n");

      if (postRender != null) out.write("opparm " + opname + " postrender '" + postRender + "'\n");

      if (preFrame != null) out.write("opparm " + opname + " preframe '" + preFrame + "'\n");

      if (postFrame != null) out.write("opparm " + opname + " postframe '" + postFrame + "'\n");

      out.write("opparm -c " + opname + " execute\n");

      out.close();
    } catch (IOException ex) {
      throw new PipelineException(
          "Unable to write temporary script file ("
              + hscript
              + ") for Job "
              + "("
              + agenda.getJobID()
              + ")!\n"
              + ex.getMessage());
    }

    /* create the wrapper shell script */
    File script = createTemp(agenda, 0755, "bash");
    try {
      FileWriter out = new FileWriter(script);
      out.write("#!/bin/bash\n\n" + "cat " + hscript + " | hscript -v " + source);
      out.close();
    } catch (IOException ex) {
      throw new PipelineException(
          "Unable to write temporary script file ("
              + script
              + ") for Job "
              + "("
              + agenda.getJobID()
              + ")!\n"
              + ex.getMessage());
    }

    try {
      return new SubProcessHeavy(
          agenda.getNodeID().getAuthor(),
          getName() + "-" + agenda.getJobID(),
          script.getPath(),
          new ArrayList<String>(),
          agenda.getEnvironment(),
          agenda.getWorkingDir(),
          outFile,
          errFile);
    } catch (Exception ex) {
      throw new PipelineException(
          "Unable to generate the SubProcess to perform this Action!\n" + ex.getMessage());
    }
  }
Ejemplo n.º 3
0
    /**
     * Phase in which parameter values should be extracted from parameters and checked for
     * consistency and applicability.
     */
    @Override
    public void validatePhase() throws PipelineException {
      /* sets up the built-in parameters common to all builders */
      validateBuiltInParams();

      /* setup the StudioDefinitions version of the UtilContext */
      pStudioDefs.setContext(pContext);

      /* lookup the source images node */
      String sourceNodeName = null;
      VersionID sourceVersionID = null;
      {
        Path spath = (Path) getParamValue(aSourceNode);
        if (spath == null) throw new PipelineException("No " + aSourceNode + " was specified!");
        sourceNodeName = spath.toString();
        pSourcePrefix = spath.getName();

        String sversion = (String) getParamValue(aSourceVersion);
        if (sversion == null)
          throw new PipelineException("No " + aSourceVersion + " was specified!");

        try {
          sourceVersionID = new VersionID(sversion);
        } catch (Exception ex) {
          throw new PipelineException(
              "The value supplied for the "
                  + aSourceVersion
                  + " parameter "
                  + "("
                  + sversion
                  + ") is not a legal node revision number!\n\n"
                  + ex.getMessage());
        }

        try {
          pSourceVersion = pClient.getCheckedInVersion(sourceNodeName, sourceVersionID);
        } catch (PipelineException ex) {
          throw new PipelineException(
              "The source images node ("
                  + sourceNodeName
                  + " v"
                  + sourceVersionID
                  + ") "
                  + "does not exist!");
        }
      }

      /* set namer/builder parameters based on the annotations on the source images node */
      {
        boolean validated = false;
        String projName = null;
        String taskName = null;
        String taskType = null;
        TreeMap<String, BaseAnnotation> annotations = pClient.getAnnotations(sourceNodeName);
        TreeSet<String> otherPurposes = new TreeSet<String>();
        for (String aname : annotations.keySet()) {
          if (aname.equals("Task") || aname.startsWith("AltTask")) {
            BaseAnnotation annot = annotations.get(aname);
            String purpose = lookupPurpose(sourceNodeName, aname, annot);
            if (purpose == null) {
              otherPurposes.add("<UNKNWON>");
            } else if (purpose.equals(aFocus)
                || purpose.equals(aEdit)
                || purpose.equals(aProduct)) {
              projName = lookupProjectName(sourceNodeName, aname, annot);
              taskName = lookupTaskName(sourceNodeName, aname, annot);
              taskType = lookupTaskType(sourceNodeName, aname, annot);
              validated = true;
              break;
            } else {
              otherPurposes.add(purpose);
            }
          }
        }

        if (!validated) {
          StringBuilder buf = new StringBuilder();
          buf.append(
              "Unable to find an valid "
                  + aEdit
                  + ", "
                  + aFocus
                  + " or "
                  + aProduct
                  + " "
                  + "task annotation for the source images node ("
                  + sourceNodeName
                  + " v"
                  + sourceVersionID
                  + ")!");

          if (!otherPurposes.isEmpty()) {
            buf.append(
                "\n\nHowever, there were task annotations on the source images node for "
                    + "the following unsupported purposes:");
            for (String purpose : otherPurposes) buf.append(" " + purpose);
          }

          throw new PipelineException(buf.toString());
        }

        if (taskName.length() != 5)
          throw new PipelineException(
              "The "
                  + aTaskName
                  + " ("
                  + taskName
                  + ") of the source images "
                  + "node ("
                  + sourceNodeName
                  + " v"
                  + sourceVersionID
                  + ") did not conform to "
                  + "the 2-letter sequence name followed by 3-digit shot number format!");
        pProjectName = projName;
        pSeqName = taskName.substring(0, 2);
        pShotName = taskName.substring(2, 5);

        try {
          pTaskType = TaskType.valueOf(TaskType.class, taskType);
        } catch (IllegalArgumentException ex) {
          throw new PipelineException(
              "The "
                  + DeliverNamer.aTaskType
                  + " ("
                  + taskType
                  + ") of the source images "
                  + "node ("
                  + sourceNodeName
                  + " v"
                  + sourceVersionID
                  + ") was an unknown type "
                  + "by this builder!");
        }
      }

      /* generate a temporary working area where the approval process will take place
      and change the util context to use it instead for all future operations */
      {
        String tempView =
            ("QtDeliver" + "-" + pProjectName + "-" + pSeqName + pShotName + "-" + pSourcePrefix);
        tempView = tempView.replaceAll(" ", "_");

        setContext(new UtilContext(pContext.getAuthor(), tempView, pContext.getToolset()));
      }

      /* turn on the DoAnnotations flag for the StageInformation shared by all
      of the Stages created by this builder since we always want task annotations */
      getStageInformation().setDoAnnotations(true);

      /* initialize internal Project namer */
      {
        pProjectNamer.setParamValue(new ParamMapping(StudioDefinitions.aProjectName), pProjectName);
        pProjectNamer.generateNames();
      }
    }
Ejemplo n.º 4
0
  /**
   * Construct a {@link SubProcessHeavy SubProcessHeavy} instance which when executed will fulfill
   * the given action agenda.
   *
   * <p>
   *
   * @param agenda The agenda to be accomplished by the action.
   * @param outFile The file to which all STDOUT output is redirected.
   * @param errFile The file to which all STDERR output is redirected.
   * @return The SubProcess which will fulfill the agenda.
   * @throws PipelineException If unable to prepare a SubProcess due to illegal, missing or
   *     imcompatable information in the action agenda or a general failure of the prep method code.
   */
  public SubProcessHeavy prep(ActionAgenda agenda, File outFile, File errFile)
      throws PipelineException {
    NodeID nodeID = agenda.getNodeID();

    /* sanity checks */
    Path loadScene = null;
    Path saveScene = null;
    boolean isAscii = false;
    TreeMap<Integer, LinkedList<Path>> mel = new TreeMap<Integer, LinkedList<Path>>();
    {
      /* generate the filename of the Maya scene to load */
      {
        String sname = (String) getSingleParamValue("MayaScene");
        if (sname != null) {
          FileSeq fseq = agenda.getPrimarySource(sname);
          if (fseq == null)
            throw new PipelineException(
                "Somehow the Maya Scene node ("
                    + sname
                    + ") was not one of the source "
                    + "nodes!");

          String suffix = fseq.getFilePattern().getSuffix();
          if (!fseq.isSingle() || (suffix == null) || !(suffix.equals("ma") || suffix.equals("mb")))
            throw new PipelineException(
                "The MayaMEL Action requires that the source node specified by the Maya "
                    + "Scene parameter ("
                    + sname
                    + ") must have a single Maya scene file as "
                    + "its primary file sequence!");

          NodeID snodeID = new NodeID(nodeID, sname);
          loadScene =
              new Path(PackageInfo.sProdPath, snodeID.getWorkingParent() + "/" + fseq.getPath(0));
        }
      }

      /* generate the name of the Maya scene to save */
      {
        Boolean save = (Boolean) getSingleParamValue("SaveResult");
        if ((save != null) && save) {
          FileSeq fseq = agenda.getPrimaryTarget();

          String suffix = fseq.getFilePattern().getSuffix();
          if (!fseq.isSingle() || (suffix == null) || !(suffix.equals("ma") || suffix.equals("mb")))
            throw new PipelineException(
                "The MayaMEL Action requires that the primary target file sequence must "
                    + "be a single Maya scene file if the Save Result parameter is set!");

          isAscii = suffix.equals("ma");
          saveScene =
              new Path(PackageInfo.sProdPath, nodeID.getWorkingParent() + "/" + fseq.getPath(0));
        }
      }

      /* generate the table of MEL script files to evaluate */
      for (String sname : getSourceNames()) {
        Integer order = (Integer) getSourceParamValue(sname, "Order");
        FileSeq fseq = agenda.getPrimarySource(sname);
        if (fseq == null)
          throw new PipelineException(
              "Somehow an per-source Order parameter exists for a node ("
                  + sname
                  + ") "
                  + "which was not one of the source nodes!");

        String suffix = fseq.getFilePattern().getSuffix();
        if (!fseq.isSingle() || (suffix == null) || !suffix.equals("mel"))
          throw new PipelineException(
              "The MayaMEL Action requires that the source node ("
                  + sname
                  + ") with "
                  + "per-source Order parameter must have a single MEL script file as its "
                  + "primary file sequence!");

        NodeID snodeID = new NodeID(nodeID, sname);
        Path script =
            new Path(PackageInfo.sProdPath, snodeID.getWorkingParent() + "/" + fseq.getPath(0));

        LinkedList<Path> scripts = mel.get(order);
        if (scripts == null) {
          scripts = new LinkedList<Path>();
          mel.put(order, scripts);
        }

        scripts.add(script);
      }
    }

    /* create a temporary MEL script file */
    File script = createTemp(agenda, 0755, "mel");
    try {
      FileWriter out = new FileWriter(script);

      /* a workaround needed in "maya -batch" mode */
      out.write("// WORK AROUNDS:\n" + "lightlink -q;\n\n");

      /* rename the current scene as the output scene */
      if (saveScene != null) {
        out.write(
            "// SCENE SETUP\n"
                + "file -rename \""
                + saveScene
                + "\";\n"
                + "file -type \""
                + (isAscii ? "mayaAscii" : "mayaBinary")
                + "\";\n\n");
      }

      /* evaluate the MEL scripts */
      if (!mel.isEmpty()) {
        out.write("// MEL SCRIPTS \n");
        for (LinkedList<Path> scripts : mel.values()) {
          for (Path spath : scripts) out.write("source \"" + spath + "\";\n");
        }
        out.write("\n");
      }

      /* save the file */
      if (saveScene != null) out.write("// SAVE\n" + "file -save;\n");

      out.close();
    } catch (IOException ex) {
      throw new PipelineException(
          "Unable to write temporary MEL script file ("
              + script
              + ") for Job "
              + "("
              + agenda.getJobID()
              + ")!\n"
              + ex.getMessage());
    }

    /* create the process to run the action */
    try {
      ArrayList<String> args = new ArrayList<String>();
      args.add("-batch");
      args.add("-script");
      args.add(script.getPath());

      if (loadScene != null) {
        args.add("-file");
        args.add(loadScene.toOsString());
      }

      String program = "maya";
      if (PackageInfo.sOsType == OsType.Windows) program = (program + ".exe");

      return new SubProcessHeavy(
          agenda.getNodeID().getAuthor(),
          getName() + "-" + agenda.getJobID(),
          program,
          args,
          agenda.getEnvironment(),
          agenda.getWorkingDir(),
          outFile,
          errFile);
    } catch (Exception ex) {
      throw new PipelineException(
          "Unable to generate the SubProcess to perform this Action!\n" + ex.getMessage());
    }
  }
Ejemplo n.º 5
0
  /**
   * Construct a {@link SubProcessHeavy SubProcessHeavy} instance which when executed will fulfill
   * the given action agenda.
   *
   * <p>
   *
   * @param agenda The agenda to be accomplished by the action.
   * @param outFile The file to which all STDOUT output is redirected.
   * @param errFile The file to which all STDERR output is redirected.
   * @return The SubProcess which will fulfill the agenda.
   * @throws PipelineException If unable to prepare a SubProcess due to illegal, missing or
   *     imcompatable information in the action agenda or a general failure of the prep method code.
   */
  public SubProcessHeavy prep(ActionAgenda agenda, File outFile, File errFile)
      throws PipelineException {
    NodeID nodeID = agenda.getNodeID();

    /* sanity checks */
    File targetScene = null;
    ArrayList<File> sourceScenes = new ArrayList<File>();
    ArrayList<String> mergePatterns = new ArrayList<String>();
    File preBuild = null;
    File postBuild = null;
    File preScene = null;
    File postScene = null;
    {
      DoubleMap<Integer, String, TreeSet<FileSeq>> sources =
          new DoubleMap<Integer, String, TreeSet<FileSeq>>();

      for (String sname : agenda.getSourceNames()) {
        if (hasSourceParams(sname)) {
          FileSeq fseq = agenda.getPrimarySource(sname);
          Integer order = (Integer) getSourceParamValue(sname, "Order");
          addSourceSeq(order, sname, fseq, sources);
        }

        for (FileSeq fseq : agenda.getSecondarySources(sname)) {
          FilePattern fpat = fseq.getFilePattern();
          if (hasSecondarySourceParams(sname, fpat)) {
            Integer order = (Integer) getSecondarySourceParamValue(sname, fpat, "Order");
            addSourceSeq(order, sname, fseq, sources);
          }
        }
      }

      for (Integer order : sources.keySet()) {
        for (String sname : sources.get(order).keySet()) {
          for (FileSeq fseq : sources.get(order).get(sname)) {
            String pattern = null;
            if (fseq.equals(agenda.getPrimarySource(sname)))
              pattern = (String) getSourceParamValue(sname, "MergePattern");
            else {
              FilePattern fpat = fseq.getFilePattern();
              pattern = (String) getSecondarySourceParamValue(sname, fpat, "MergePattern");
            }

            if ((pattern == null) || (pattern.length() == 0))
              throw new PipelineException(
                  "The Merge Pattern for file sequence ("
                      + fseq
                      + ") of source node "
                      + "("
                      + sname
                      + ") was not specified!");

            NodeID snodeID = new NodeID(nodeID, sname);
            File sfile =
                new File(PackageInfo.sProdDir, snodeID.getWorkingParent() + "/" + fseq.getFile(0));

            sourceScenes.add(sfile);
            mergePatterns.add(pattern);
          }
        }
      }

      /* generate the name of the Houdini scene to save */
      {
        FileSeq fseq = agenda.getPrimaryTarget();
        String suffix = fseq.getFilePattern().getSuffix();
        if (!fseq.isSingle() || (suffix == null) || !suffix.equals("hip"))
          throw new PipelineException(
              "The HfsBuild Action requires that the primary target file sequence must "
                  + "be a single Houdini scene file!");

        targetScene =
            new File(PackageInfo.sProdDir, nodeID.getWorkingParent() + "/" + fseq.getFile(0));
      }

      /* command script files */
      {
        String sname = (String) getSingleParamValue("PreBuildScript");
        if (sname != null) {
          FileSeq fseq = agenda.getPrimarySource(sname);
          if (fseq == null)
            throw new PipelineException(
                "Somehow the Pre Build Script node ("
                    + sname
                    + ") was not one of the "
                    + "source nodes!");

          String suffix = fseq.getFilePattern().getSuffix();
          if (!fseq.isSingle() || (suffix == null) || !(suffix.equals("cmd")))
            throw new PipelineException(
                "The HfsBuild Action requires that the source node specified by the Pre "
                    + "Build Script parameter ("
                    + sname
                    + ") must have a single command "
                    + "script (.cmd) as its primary file sequence!");

          NodeID snodeID = new NodeID(nodeID, sname);
          preBuild =
              new File(PackageInfo.sProdDir, snodeID.getWorkingParent() + "/" + fseq.getFile(0));
        }
      }

      {
        String sname = (String) getSingleParamValue("PostBuildScript");
        if (sname != null) {
          FileSeq fseq = agenda.getPrimarySource(sname);
          if (fseq == null)
            throw new PipelineException(
                "Somehow the Post Build Script node ("
                    + sname
                    + ") was not one of the "
                    + "source nodes!");

          String suffix = fseq.getFilePattern().getSuffix();
          if (!fseq.isSingle() || (suffix == null) || !(suffix.equals("cmd")))
            throw new PipelineException(
                "The HfsBuild Action requires that the source node specified by the Post "
                    + "Build Script parameter ("
                    + sname
                    + ") must have a single command "
                    + "script (.cmd) as its primary file sequence!");

          NodeID snodeID = new NodeID(nodeID, sname);
          postBuild =
              new File(PackageInfo.sProdDir, snodeID.getWorkingParent() + "/" + fseq.getFile(0));
        }
      }

      {
        String sname = (String) getSingleParamValue("PreSceneScript");
        if (sname != null) {
          FileSeq fseq = agenda.getPrimarySource(sname);
          if (fseq == null)
            throw new PipelineException(
                "Somehow the Pre Scene Script node ("
                    + sname
                    + ") was not one of the "
                    + "source nodes!");

          String suffix = fseq.getFilePattern().getSuffix();
          if (!fseq.isSingle() || (suffix == null) || !(suffix.equals("cmd")))
            throw new PipelineException(
                "The HfsBuild Action requires that the source node specified by the Pre "
                    + "Scene Script parameter ("
                    + sname
                    + ") must have a single command script "
                    + "(.cmd) as its primary file sequence!");

          NodeID snodeID = new NodeID(nodeID, sname);
          preScene =
              new File(PackageInfo.sProdDir, snodeID.getWorkingParent() + "/" + fseq.getFile(0));
        }
      }

      {
        String sname = (String) getSingleParamValue("PostSceneScript");
        if (sname != null) {
          FileSeq fseq = agenda.getPrimarySource(sname);
          if (fseq == null)
            throw new PipelineException(
                "Somehow the Post Scene Script node ("
                    + sname
                    + ") was not one of the "
                    + "source nodes!");

          String suffix = fseq.getFilePattern().getSuffix();
          if (!fseq.isSingle() || (suffix == null) || !(suffix.equals("cmd")))
            throw new PipelineException(
                "The HfsBuild Action requires that the source node specified by the Post "
                    + "Scene Script parameter ("
                    + sname
                    + ") must have a single command script "
                    + "(.cmd) as its primary file sequence!");

          NodeID snodeID = new NodeID(nodeID, sname);
          postScene =
              new File(PackageInfo.sProdDir, snodeID.getWorkingParent() + "/" + fseq.getFile(0));
        }
      }
    }

    /* create the temporary Houdini command script */
    File hscript = createTemp(agenda, 0644, "cmd");
    try {
      FileWriter out = new FileWriter(hscript);

      if (preBuild != null) out.write("source " + preBuild + "\n");

      /* load the source scenes */
      int wk;
      for (wk = 0; wk < sourceScenes.size(); wk++) {
        File sourceScene = sourceScenes.get(wk);
        String pattern = mergePatterns.get(wk);

        if (preScene != null) out.write("source " + preScene + "\n");

        out.write("mread");
        if (wk > 0) out.write(" -o -m " + pattern);
        out.write(" " + sourceScene + "\n");

        if (postScene != null) out.write("source " + postScene + "\n");
      }

      if (postBuild != null) out.write("source " + postBuild + "\n");

      /* save the file */
      out.write("mwrite " + targetScene + "\n");

      out.close();
    } catch (IOException ex) {
      throw new PipelineException(
          "Unable to write temporary command file ("
              + hscript
              + ") for Job "
              + "("
              + agenda.getJobID()
              + ")!\n"
              + ex.getMessage());
    }

    /* create the wrapper shell script */
    File script = createTemp(agenda, 0755, "bash");
    try {
      FileWriter out = new FileWriter(script);
      out.write("#!/bin/bash\n\n" + "cat " + hscript + " | hscript");
      out.close();
    } catch (IOException ex) {
      throw new PipelineException(
          "Unable to write temporary script file ("
              + script
              + ") for Job "
              + "("
              + agenda.getJobID()
              + ")!\n"
              + ex.getMessage());
    }

    try {
      return new SubProcessHeavy(
          agenda.getNodeID().getAuthor(),
          getName() + "-" + agenda.getJobID(),
          script.getPath(),
          new ArrayList<String>(),
          agenda.getEnvironment(),
          agenda.getWorkingDir(),
          outFile,
          errFile);
    } catch (Exception ex) {
      throw new PipelineException(
          "Unable to generate the SubProcess to perform this Action!\n" + ex.getMessage());
    }
  }