Examples with OlapInputMeta org.pentaho.di.trans.steps.olapinput.OlapInputMeta used on opensource projects

Example 1 with OlapInputMeta

use of org.pentaho.di.trans.steps.olapinput.OlapInputMeta in project pentaho-kettle by pentaho.

the class OlapInputDialog method preview.

/**
 * Preview the data generated by this step. This generates a transformation using this step & a dummy and previews it.
 */
private void preview() {
    // Create the table input reader step...
    OlapInputMeta oneMeta = new OlapInputMeta();
    getInfo(oneMeta);
    TransMeta previewMeta = TransPreviewFactory.generatePreviewTransformation(transMeta, oneMeta, wStepname.getText());
    EnterNumberDialog numberDialog = new EnterNumberDialog(shell, props.getDefaultPreviewSize(), BaseMessages.getString(PKG, "OlapInputDialog.EnterPreviewSize"), BaseMessages.getString(PKG, "OlapDialog.NumberOfRowsToPreview"));
    int previewSize = numberDialog.open();
    if (previewSize > 0) {
        TransPreviewProgressDialog progressDialog = new TransPreviewProgressDialog(shell, previewMeta, new String[] { wStepname.getText() }, new int[] { previewSize });
        progressDialog.open();
        Trans trans = progressDialog.getTrans();
        String loggingText = progressDialog.getLoggingText();
        if (!progressDialog.isCancelled()) {
            if (trans.getResult() != null && trans.getResult().getNrErrors() > 0) {
                EnterTextDialog etd = new EnterTextDialog(shell, BaseMessages.getString(PKG, "System.Dialog.PreviewError.Title"), BaseMessages.getString(PKG, "System.Dialog.PreviewError.Message"), loggingText, true);
                etd.setReadOnly();
                etd.open();
            }
        }
        PreviewRowsDialog prd = new PreviewRowsDialog(shell, transMeta, SWT.NONE, wStepname.getText(), progressDialog.getPreviewRowsMeta(wStepname.getText()), progressDialog.getPreviewRows(wStepname.getText()), loggingText);
        prd.open();
    }
}