org.jrdf.query
Class EmptyAnswer

java.lang.Object
  extended by org.jrdf.query.EmptyAnswer
All Implemented Interfaces:
Serializable, Answer

public final class EmptyAnswer
extends Object
implements Answer, Serializable

See Also:
Serialized Form

Field Summary
static Answer EMPTY_ANSWER
          An empty answer the returns no columns, values and 0 time taken.
 
Method Summary
 String[] getColumnNames()
           
 String[][] getColumnValues()
           
 long getTimeTaken()
           
 long numberOfTuples()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

EMPTY_ANSWER

public static final Answer EMPTY_ANSWER
An empty answer the returns no columns, values and 0 time taken.

Method Detail

getColumnNames

public String[] getColumnNames()
Specified by:
getColumnNames in interface Answer

getColumnValues

public String[][] getColumnValues()
Specified by:
getColumnValues in interface Answer

numberOfTuples

public long numberOfTuples()
Specified by:
numberOfTuples in interface Answer

getTimeTaken

public long getTimeTaken()
Specified by:
getTimeTaken in interface Answer