org.apache.pig
Class FilterFunc

java.lang.Object
  extended by org.apache.pig.EvalFunc<Boolean>
      extended by org.apache.pig.FilterFunc
Direct Known Subclasses:
IsEmpty

@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract class FilterFunc
extends EvalFunc<Boolean>


Field Summary
 
Fields inherited from class org.apache.pig.EvalFunc
log, pigLogger, reporter, returnType
 
Constructor Summary
FilterFunc()
           
 
Method Summary
 void finish()
          Placeholder for cleanup to be performed at the end.
 
Methods inherited from class org.apache.pig.EvalFunc
exec, getArgToFuncMapping, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, isAsynchronous, outputSchema, progress, setPigLogger, setReporter, warn
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

FilterFunc

public FilterFunc()
Method Detail

finish

public void finish()
Placeholder for cleanup to be performed at the end. User defined functions can override. Default implementation is a no-op.

Overrides:
finish in class EvalFunc<Boolean>


Copyright © ${year} The Apache Software Foundation