Examples with LockFile org.pentaho.di.job.entries.checkfilelocked.LockFile used on opensource projects

Example 1 with LockFile

use of org.pentaho.di.job.entries.checkfilelocked.LockFile in project pentaho-kettle by pentaho.

the class FileLocked method processRow.

public boolean processRow(StepMetaInterface smi, StepDataInterface sdi) throws KettleException {
    meta = (FileLockedMeta) smi;
    data = (FileLockedData) sdi;
    // Get row from input rowset & set row busy!
    Object[] r = getRow();
    if (r == null) {
        // no more input to be expected...
        setOutputDone();
        return false;
    }
    boolean FileLocked = false;
    if (first) {
        first = false;
        // get the RowMeta
        data.previousRowMeta = getInputRowMeta().clone();
        data.NrPrevFields = data.previousRowMeta.size();
        data.outputRowMeta = data.previousRowMeta;
        meta.getFields(data.outputRowMeta, getStepname(), null, null, this, repository, metaStore);
        // Check is filename field is provided
        if (Utils.isEmpty(meta.getDynamicFilenameField())) {
            logError(BaseMessages.getString(PKG, "FileLocked.Error.FilenameFieldMissing"));
            throw new KettleException(BaseMessages.getString(PKG, "FileLocked.Error.FilenameFieldMissing"));
        }
        // cache the position of the field
        if (data.indexOfFileename < 0) {
            data.indexOfFileename = data.previousRowMeta.indexOfValue(meta.getDynamicFilenameField());
            if (data.indexOfFileename < 0) {
                // The field is unreachable !
                logError(BaseMessages.getString(PKG, "FileLocked.Exception.CouldnotFindField") + "[" + meta.getDynamicFilenameField() + "]");
                throw new KettleException(BaseMessages.getString(PKG, "FileLocked.Exception.CouldnotFindField", meta.getDynamicFilenameField()));
            }
        }
    }
    try {
        // get filename
        String filename = data.previousRowMeta.getString(r, data.indexOfFileename);
        if (!Utils.isEmpty(filename)) {
            // Check if file
            LockFile locked = new LockFile(filename);
            FileLocked = locked.isLocked();
            // add filename to result filenames?
            if (meta.addResultFilenames()) {
                // Add this to the result file names...
                ResultFile resultFile = new ResultFile(ResultFile.FILE_TYPE_GENERAL, KettleVFS.getFileObject(filename), getTransMeta().getName(), getStepname());
                resultFile.setComment(BaseMessages.getString(PKG, "FileLocked.Log.FileAddedResult"));
                addResultFile(resultFile);
                if (isDetailed()) {
                    logDetailed(BaseMessages.getString(PKG, "FileLocked.Log.FilenameAddResult", filename));
                }
            }
        }
        // add file locked
        // copy row to output
        putRow(data.outputRowMeta, RowDataUtil.addValueData(r, data.NrPrevFields, FileLocked));
        if (isRowLevel()) {
            logRowlevel(BaseMessages.getString(PKG, "FileLocked.LineNumber", getLinesRead() + " : " + getInputRowMeta().getString(r)));
        }
    } catch (Exception e) {
        boolean sendToErrorRow = false;
        String errorMessage = null;
        if (getStepMeta().isDoingErrorHandling()) {
            sendToErrorRow = true;
            errorMessage = e.toString();
        } else {
            logError(BaseMessages.getString(PKG, "FileLocked.ErrorInStepRunning") + e.getMessage());
            setErrors(1);
            stopAll();
            // signal end to receiver(s)
            setOutputDone();
            return false;
        }
        if (sendToErrorRow) {
            // Simply add this row to the error row
            putError(getInputRowMeta(), r, 1, errorMessage, meta.getResultFieldName(), "FileLocked001");
        }
    }
    return true;
}