public boolean processRow(StepMetaInterface smi, StepDataInterface sdi) throws KettleException {
meta = (ExecProcessMeta) smi;
data = (ExecProcessData) sdi;
Object[] r = getRow(); // Get row from input rowset & set row busy!
if (r == null) { // no more input to be expected...
setOutputDone();
return 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 process field is provided
if (Const.isEmpty(meta.getProcessField())) {
logError(BaseMessages.getString(PKG, "ExecProcess.Error.ProcessFieldMissing"));
throw new KettleException(
BaseMessages.getString(PKG, "ExecProcess.Error.ProcessFieldMissing"));
}
// cache the position of the field
if (data.indexOfProcess < 0) {
data.indexOfProcess = data.previousRowMeta.indexOfValue(meta.getProcessField());
if (data.indexOfProcess < 0) {
// The field is unreachable !
logError(
BaseMessages.getString(PKG, "ExecProcess.Exception.CouldnotFindField")
+ "["
+ meta.getProcessField()
+ "]");
throw new KettleException(
BaseMessages.getString(
PKG, "ExecProcess.Exception.CouldnotFindField", meta.getProcessField()));
}
}
} // End If first
Object[] outputRow = RowDataUtil.allocateRowData(data.outputRowMeta.size());
for (int i = 0; i < data.NrPrevFields; i++) {
outputRow[i] = r[i];
}
// get process to execute
String processString = data.previousRowMeta.getString(r, data.indexOfProcess);
ProcessResult processResult = new ProcessResult();
try {
if (Const.isEmpty(processString)) {
throw new KettleException(BaseMessages.getString(PKG, "ExecProcess.ProcessEmpty"));
}
// execute and return result
execProcess(processString, processResult);
if (meta.isFailWhenNotSuccess()) {
if (processResult.getExistStatus() != 0) {
String errorString = processResult.getErrorStream();
if (Const.isEmpty(errorString)) {
errorString = processResult.getOutputStream();
}
throw new KettleException(errorString);
}
}
// Add result field to input stream
int rowIndex = data.NrPrevFields;
outputRow[rowIndex++] = processResult.getOutputStream();
// Add result field to input stream
outputRow[rowIndex++] = processResult.getErrorStream();
// Add result field to input stream
outputRow[rowIndex++] = processResult.getExistStatus();
// add new values to the row.
putRow(data.outputRowMeta, outputRow); // copy row to output rowset(s);
if (log.isRowLevel()) {
logRowlevel(
BaseMessages.getString(
PKG,
"ExecProcess.LineNumber",
getLinesRead() + " : " + getInputRowMeta().getString(r)));
}
} catch (KettleException e) {
boolean sendToErrorRow = false;
String errorMessage = null;
if (getStepMeta().isDoingErrorHandling()) {
sendToErrorRow = true;
errorMessage = e.toString();
} else {
logError(BaseMessages.getString(PKG, "ExecProcess.ErrorInStepRunning") + e.getMessage());
setErrors(1);
stopAll();
setOutputDone(); // signal end to receiver(s)
return false;
}
if (sendToErrorRow) {
// Simply add this row to the error row
putError(
getInputRowMeta(), r, 1, errorMessage, meta.getResultFieldName(), "ExecProcess001");
}
}
return true;
}
