コード例 #1
0
 protected ColumnNameBuilder makeIndexColumnNameBuilder(ByteBuffer rowKey, ByteBuffer columnName) {
   int ckCount = baseCfs.metadata.clusteringKeyColumns().size();
   CompositeType baseComparator = (CompositeType) baseCfs.getComparator();
   ByteBuffer[] components = baseComparator.split(columnName);
   CompositeType.Builder builder = getIndexComparator().builder();
   builder.add(rowKey);
   for (int i = 0; i < ckCount; i++) builder.add(components[i]);
   return builder;
 }
コード例 #2
0
 public static CompositeType buildIndexComparator(
     CFMetaData baseMetadata, ColumnDefinition columnDef) {
   int ckCount = baseMetadata.clusteringKeyColumns().size();
   List<AbstractType<?>> types = new ArrayList<AbstractType<?>>(ckCount + 1);
   types.add(SecondaryIndex.keyComparator);
   types.addAll(baseMetadata.comparator.getComponents());
   return CompositeType.getInstance(types);
 }
コード例 #3
0
 protected ByteBuffer getIndexedValue(ByteBuffer rowKey, Column column) {
   CompositeType keyComparator = (CompositeType) baseCfs.metadata.getKeyValidator();
   ByteBuffer[] components = keyComparator.split(rowKey);
   return components[columnDef.componentIndex];
 }