org.pentaho.di.trans.step

接口 RowListener

所有已知实现类:

RowAdapter, RowOutputDataMapper

public interface RowListener

RowListener is a listener interface for receiving row events. A class that is interested in processing a row event implements this interface, and the object created with that class is registered with a component using the component's

 addRowListener
 

method. When the row event occurs, that object's appropriate method is invoked.

另请参阅:

RowEvent

方法概要

限定符和类型	方法和说明
void	errorRowWrittenEvent(org.pentaho.di.core.row.RowMetaInterface rowMeta, Object[] row) This method is called when the error handling of a row is writing a row to the error stream.
void	rowReadEvent(org.pentaho.di.core.row.RowMetaInterface rowMeta, Object[] row) This method is called when a row is read from another step
void	rowWrittenEvent(org.pentaho.di.core.row.RowMetaInterface rowMeta, Object[] row) This method is called when a row is written to another step (even if there is no next step)

方法详细资料

rowReadEvent

void rowReadEvent(org.pentaho.di.core.row.RowMetaInterface rowMeta,
                  Object[] row)
           throws org.pentaho.di.core.exception.KettleStepException

This method is called when a row is read from another step

参数:

rowMeta - the metadata of the row

row - the data of the row

抛出:

org.pentaho.di.core.exception.KettleStepException - an exception that can be thrown to hard stop the step

rowWrittenEvent

void rowWrittenEvent(org.pentaho.di.core.row.RowMetaInterface rowMeta,
                     Object[] row)
              throws org.pentaho.di.core.exception.KettleStepException

This method is called when a row is written to another step (even if there is no next step)

参数:

rowMeta - the metadata of the row

row - the data of the row

抛出:

org.pentaho.di.core.exception.KettleStepException - an exception that can be thrown to hard stop the step

errorRowWrittenEvent

void errorRowWrittenEvent(org.pentaho.di.core.row.RowMetaInterface rowMeta,
                          Object[] row)
                   throws org.pentaho.di.core.exception.KettleStepException

This method is called when the error handling of a row is writing a row to the error stream.

参数:

rowMeta - the metadata of the row

row - the data of the row

抛出:

org.pentaho.di.core.exception.KettleStepException - an exception that can be thrown to hard stop the step