import org.pentaho.di.trans.steps.constant.ConstantMeta; //导入依赖的package包/类
private StepMeta generateConstStep(List<SQLField> fields) throws KettleException {
  ConstantMeta meta = new ConstantMeta();
  meta.allocate(fields.size());
  for (int i=0;i<fields.size();i++) {
    SQLField field = fields.get(i);
    ValueMetaInterface valueMeta = field.getValueMeta();
    meta.getFieldName()[i] = "Constant_"+field.getFieldIndex()+"_"+field.getField();
    meta.getFieldFormat()[i] = valueMeta.getConversionMask();
    meta.getFieldType()[i] = valueMeta.getTypeDesc();
    meta.getFieldLength()[i] = valueMeta.getLength();
    meta.getFieldPrecision()[i] = valueMeta.getPrecision();
    meta.getDecimal()[i] = valueMeta.getDecimalSymbol();
    meta.getGroup()[i] = valueMeta.getGroupingSymbol();
    meta.getValue()[i] = valueMeta.getString(field.getValueData());
  }
  
  StepMeta stepMeta = new StepMeta("Constants", meta);
  stepMeta.setLocation(xLocation, 50);
  xLocation+=100;
  stepMeta.setDraw(true);
  return stepMeta;
}
 

import org.pentaho.di.trans.steps.constant.ConstantMeta; //导入依赖的package包/类
public ConstantDialog(Shell parent, Object in, TransMeta transMeta, String sname)
{
	super(parent, (BaseStepMeta)in, transMeta, sname);
	input=(ConstantMeta)in;
}
 

import org.pentaho.di.trans.steps.constant.ConstantMeta; //导入依赖的package包/类
public ConstantDialog( Shell parent, Object in, TransMeta transMeta, String sname ) {
  super( parent, (BaseStepMeta) in, transMeta, sname );
  input = (ConstantMeta) in;
}