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java.lang.Objectuk.ac.starlink.table.EmptyRowSequence
public class EmptyRowSequence
Row sequence implementation which has no rows. Singleton impelementation.
Method Summary | |
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void |
close()
Does nothing. |
java.lang.Object |
getCell(int icol)
Always throws IllegalStateException. |
static EmptyRowSequence |
getInstance()
Returns singleton instance of this class. |
java.lang.Object[] |
getRow()
Always throws IllegalStateException. |
boolean |
next()
Always returns false. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public boolean next()
next
in interface RowSequence
public java.lang.Object getCell(int icol)
getCell
in interface RowSequence
public java.lang.Object[] getRow()
getRow
in interface RowSequence
public void close()
close
in interface RowSequence
public static EmptyRowSequence getInstance()
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