import org.pentaho.di.trans.steps.filterrows.FilterRowsMeta; //导入依赖的package包/类
public FilterRowsDialog(Shell parent, Object in, TransMeta tr, String sname)
{
	super(parent, (BaseStepMeta)in, tr, sname);
	input=(FilterRowsMeta)in;
       
       condition = (Condition)input.getCondition().clone();

   }
 

import org.pentaho.di.trans.steps.filterrows.FilterRowsMeta; //导入依赖的package包/类
private StepMeta generateFilterStep(Condition condition, boolean isHaving) {
  FilterRowsMeta meta = new FilterRowsMeta();
  meta.setCondition(condition);
  
  StepMeta stepMeta = new StepMeta(isHaving ? "Having filter" : "Where filter", meta);
  stepMeta.setLocation(xLocation, 50);
  xLocation+=100;
  stepMeta.setDraw(true);
  return stepMeta;
}
 

import org.pentaho.di.trans.steps.filterrows.FilterRowsMeta; //导入依赖的package包/类
@Test
public void testSearchConditionCase() {
  String dummyStepname = "Output";
  DummyTransMeta dummyMeta = new DummyTransMeta();
  String dummyStepPid = PluginRegistry.getInstance().getPluginId( StepPluginType.class, dummyMeta );
  StepMeta dummyStep = new StepMeta( dummyStepPid, dummyStepname, dummyMeta );

  List<StringSearchResult> stringList = new ArrayList<StringSearchResult>();
  StringSearcher.findMetaData( dummyStep, 0, stringList, dummyMeta, 0 );

  int checkCount = 0;
  String aResult = null;
  // Check that it found a couple of fields and emits the values properly
  for ( int i = 0; i < stringList.size(); i++ ) {
    aResult = stringList.get( i ).toString();
    if ( aResult.endsWith( "Dummy (stepid)" ) ) {
      checkCount++;
    } else if ( aResult.endsWith( "Output (name)" ) ) {
      checkCount++;
    }
    if ( checkCount == 2 ) {
      break;
    }
  }
  assertEquals( 2, checkCount );

  FilterRowsMeta filterRowsMeta = new FilterRowsMeta();
  Condition condition = new Condition();
  condition.setNegated( false );
  condition.setLeftValuename( "wibble_t" );
  condition.setRightValuename( "wobble_s" );
  condition.setFunction( org.pentaho.di.core.Condition.FUNC_EQUAL );
  filterRowsMeta.setDefault();
  filterRowsMeta.setCondition( condition );

  String filterRowsPluginPid = PluginRegistry.getInstance().getPluginId( StepPluginType.class, filterRowsMeta );
  StepMeta filterRowsStep = new StepMeta( filterRowsPluginPid, "Filter Rows", filterRowsMeta );

  stringList.clear();
  StringSearcher.findMetaData( filterRowsStep, 0, stringList, filterRowsMeta, 0 );

  checkCount = 0;
  for ( int i = 0; i < stringList.size(); i++ ) {
    aResult = stringList.get( i ).toString();
    if ( aResult.endsWith( "FilterRows (stepid)" ) ) {
      checkCount++;
    } else  if ( aResult.endsWith( "Filter Rows (name)" ) ) {
      checkCount++;
    }
    if ( checkCount == 2 ) {
      break;
    }
  }
  assertEquals( 2, checkCount );
}
 

import org.pentaho.di.trans.steps.filterrows.FilterRowsMeta; //导入依赖的package包/类
public FilterRowsDialog( Shell parent, Object in, TransMeta tr, String sname ) {
  super( parent, (BaseStepMeta) in, tr, sname );
  input = (FilterRowsMeta) in;

  condition = (Condition) input.getCondition().clone();

}