HBASE-1215 fix for jon currently migrating

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@796939 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/hadoop/hbase/migration/nineteen/HStoreFileToStoreFile.java

@@ -123,10 +123,14 @@ public class HStoreFileToStoreFile {
             throw new IOException(family.toString() + " has " + familyStatus.length +
               " files.");
           }
+          if (familyStatus.length == 1) {
             // If we got here, then this is good.  Add the mapfile to out
             String str = familyStatus[0].getPath().makeQualified(fs).toString();
             LOG.info(str);
             out.write(Bytes.toBytes(str + "\n"));
+          } else {
+            LOG.warn("Empty store " + family.toString());
+          }
         }
       }
     }

src/java/org/apache/hadoop/hbase/migration/nineteen/onelab/filter/BloomFilter.java

@@ -70,10 +70,6 @@ import org.apache.hadoop.hbase.util.Hash;
  * contract <a href="http://www.one-lab.org">European Commission One-Lab Project 034819</a>.
  *
  * @version 1.0 - 2 Feb. 07
- * 
- * @see org.onelab.filter.Filter The general behavior of a filter
- * 
- * @see <a href="http://portal.acm.org/citation.cfm?id=362692&dl=ACM&coll=portal">Space/Time Trade-Offs in Hash Coding with Allowable Errors</a>
  */
 public class BloomFilter extends Filter {
   private static final byte[] bitvalues = new byte[] {

src/java/org/apache/hadoop/hbase/migration/nineteen/onelab/filter/CountingBloomFilter.java

@@ -66,9 +66,6 @@ import org.apache.hadoop.hbase.util.Hash;
  *
  * @version 1.1 - 19 Jan. 08
  * 
- * @see org.onelab.filter.Filter The general behavior of a filter
- * 
- * @see <a href="http://portal.acm.org/citation.cfm?id=343571.343572">Summary cache: a scalable wide-area web cache sharing protocol</a>
  */
 public final class CountingBloomFilter extends Filter {
   /** Storage for the counting buckets */

src/java/org/apache/hadoop/hbase/migration/nineteen/onelab/filter/DynamicBloomFilter.java

@@ -81,10 +81,6 @@ import org.apache.hadoop.hbase.util.Hash;
  *
  * @version 1.0 - 6 Feb. 07
  * 
- * @see org.onelab.filter.Filter The general behavior of a filter
- * @see org.onelab.filter.BloomFilter A Bloom filter
- * 
- * @see <a href="http://www.cse.fau.edu/~jie/research/publications/Publication_files/infocom2006.pdf">Theory and Network Applications of Dynamic Bloom Filters</a>
  */
 public class DynamicBloomFilter extends Filter {
   /** 

src/java/org/apache/hadoop/hbase/migration/nineteen/onelab/filter/Filter.java

@@ -69,12 +69,7 @@ import org.apache.hadoop.io.Writable;
  * <p>
  * It must be extended in order to define the real behavior.
  * 
- * @see org.onelab.filter.Filter The general behavior of a filter
- *
  * @version 1.0 - 2 Feb. 07
- * 
- * @see org.onelab.filter.Key The general behavior of a key
- * @see org.onelab.filter.HashFunction A hash function
  */
 public abstract class Filter implements Writable {
   private static final int VERSION = -1; // negative to accommodate for old format 

src/java/org/apache/hadoop/hbase/migration/nineteen/onelab/filter/HashFunction.java

@@ -56,14 +56,7 @@ import org.apache.hadoop.hbase.util.Hash;
  * <p>
  * It is based on the SHA-1 algorithm. 
  * 
- * @see org.onelab.filter.Filter The general behavior of a filter
- *
  * @version 1.0 - 2 Feb. 07
- * 
- * @see org.onelab.filter.Key The general behavior of a key being stored in a filter
- * @see org.onelab.filter.Filter The general behavior of a filter
- * 
- * @see <a href="http://www.itl.nist.gov/fipspubs/fip180-1.htm">SHA-1 algorithm</a>
  */
 public final class HashFunction {
   /** The number of hashed values. */

src/java/org/apache/hadoop/hbase/migration/nineteen/onelab/filter/Key.java

@@ -55,8 +55,6 @@ import org.apache.hadoop.io.WritableComparable;
 
 /**
  * The general behavior of a key that must be stored in a filter.
- * 
- * @see org.onelab.filter.Filter The general behavior of a filter
  */
 public class Key implements WritableComparable {
   /** Byte value of key */

src/java/org/apache/hadoop/hbase/migration/nineteen/onelab/filter/RetouchedBloomFilter.java

@@ -69,11 +69,6 @@ import org.apache.hadoop.hbase.util.Hash;
  *
  * @version 1.0 - 7 Feb. 07
  * 
- * @see org.onelab.filter.Filter The general behavior of a filter
- * @see org.onelab.filter.BloomFilter A Bloom filter
- * @see org.onelab.filter.RemoveScheme The different selective clearing algorithms
- * 
- * @see <a href="http://www-rp.lip6.fr/site_npa/site_rp/_publications/740-rbf_cameraready.pdf">Retouched Bloom Filters: Allowing Networked Applications to Trade Off Selected False Positives Against False Negatives</a>
  */
 public final class RetouchedBloomFilter extends BloomFilter
 implements RemoveScheme {