import org.pentaho.di.ui.spoon.dialog.EnterPreviewRowsDialog; //导入依赖的package包/类
public synchronized void showLastPreviewResults() {
  if (lastTransDebugMeta == null || lastTransDebugMeta.getStepDebugMetaMap().isEmpty())
    return;

  final List<String> stepnames = new ArrayList<String>();
  final List<RowMetaInterface> rowMetas = new ArrayList<RowMetaInterface>();
  final List<List<Object[]>> rowBuffers = new ArrayList<List<Object[]>>();

  // Assemble the buffers etc in the old style...
  //
  for (StepMeta stepMeta : lastTransDebugMeta.getStepDebugMetaMap().keySet()) {
    StepDebugMeta stepDebugMeta = lastTransDebugMeta.getStepDebugMetaMap().get(stepMeta);

    stepnames.add(stepMeta.getName());
    rowMetas.add(stepDebugMeta.getRowBufferMeta());
    rowBuffers.add(stepDebugMeta.getRowBuffer());
  }

  getDisplay().asyncExec(new Runnable() {
    public void run() {
      EnterPreviewRowsDialog dialog = new EnterPreviewRowsDialog(shell, SWT.NONE, stepnames, rowMetas, rowBuffers);
      dialog.open();
    }
  });
}
 

import org.pentaho.di.ui.spoon.dialog.EnterPreviewRowsDialog; //导入依赖的package包/类
public synchronized void showLastPreviewResults() {
  if ( lastTransDebugMeta == null || lastTransDebugMeta.getStepDebugMetaMap().isEmpty() ) {
    return;
  }

  final List<String> stepnames = new ArrayList<>();
  final List<RowMetaInterface> rowMetas = new ArrayList<>();
  final List<List<Object[]>> rowBuffers = new ArrayList<>();

  // Assemble the buffers etc in the old style...
  //
  for ( StepMeta stepMeta : lastTransDebugMeta.getStepDebugMetaMap().keySet() ) {
    StepDebugMeta stepDebugMeta = lastTransDebugMeta.getStepDebugMetaMap().get( stepMeta );

    stepnames.add( stepMeta.getName() );
    rowMetas.add( stepDebugMeta.getRowBufferMeta() );
    rowBuffers.add( stepDebugMeta.getRowBuffer() );
  }

  getDisplay().asyncExec( new Runnable() {
    @Override
    public void run() {
      EnterPreviewRowsDialog dialog = new EnterPreviewRowsDialog( shell, SWT.NONE, stepnames, rowMetas, rowBuffers );
      dialog.open();
    }
  } );
}