程序包 weka.gui.streams

类 InstanceJoiner

java.lang.Object
weka.gui.streams.InstanceJoiner
所有已实现的接口:
Serializable, EventListener, InstanceProducer, SerialInstanceListener

public class InstanceJoiner extends Object implements Serializable, InstanceProducer, SerialInstanceListener
A bean that joins two streams of instances into one.
版本:
$Revision: 7059 $
作者:
Len Trigg (trigg@cs.waikato.ac.nz)
另请参阅:
  • 构造器详细资料

    • InstanceJoiner

      public InstanceJoiner()
      Setup the initial states of the member variables
  • 方法详细资料

    • inputFormat

      public boolean inputFormat(Instances instanceInfo)
      Sets the format of the input instances. If the filter is able to determine the output format before seeing any input instances, it does so here. This default implementation assumes the output format is determined when batchFinished() is called.
      参数:
      instanceInfo - an Instances object containing the input instance structure (any instances contained in the object are ignored - only the structure is required).
      返回:
      true if the outputFormat may be collected immediately
    • outputFormat

      public Instances outputFormat() throws Exception
      Gets the format of the output instances. This should only be called after input() or batchFinished() has returned true.
      指定者:
      outputFormat 在接口中 InstanceProducer
      返回:
      an Instances object containing the output instance structure only.
      抛出:
      Exception - if no input structure has been defined (or the output format hasn't been determined yet)
    • input

      public boolean input(Instance instance) throws Exception
      抛出:
      Exception
    • batchFinished

      public void batchFinished() throws Exception
      Signify that this batch of input to the filter is finished. If the filter requires all instances prior to filtering, output() may now be called to retrieve the filtered instances. Any subsequent instances filtered should be filtered based on setting obtained from the first batch (unless the inputFormat has been re-assigned or new options have been set). This default implementation assumes all instance processing occurs during inputFormat() and input().
      抛出:
      Exception - if no input structure has been defined
    • outputPeek

      public Instance outputPeek() throws Exception
      Output an instance after filtering but do not remove from the output queue.
      指定者:
      outputPeek 在接口中 InstanceProducer
      返回:
      the instance that has most recently been filtered (or null if the queue is empty).
      抛出:
      Exception - if no input structure has been defined
    • setDebug

      public void setDebug(boolean debug)
    • getDebug

      public boolean getDebug()
    • addInstanceListener

      public void addInstanceListener(InstanceListener ipl)
      指定者:
      addInstanceListener 在接口中 InstanceProducer
    • removeInstanceListener

      public void removeInstanceListener(InstanceListener ipl)
      指定者:
      removeInstanceListener 在接口中 InstanceProducer
    • instanceProduced

      public void instanceProduced(InstanceEvent e)
    • secondInstanceProduced

      public void secondInstanceProduced(InstanceEvent e)
      指定者:
      secondInstanceProduced 在接口中 SerialInstanceListener