Restructure code

Author: martijnvg

server/src/main/java/org/elasticsearch/index/codec/tsdb/TSDBDocValuesEncoder.java

@@ -54,7 +54,7 @@
  *
  * Of course, decoding follows the opposite order with respect to encoding.
  */
-public class TSDBDocValuesEncoder {
+public final class TSDBDocValuesEncoder {
     private final DocValuesForUtil forUtil;
     private final int numericBlockSize;
 

server/src/main/java/org/elasticsearch/index/codec/tsdb/es819/BlockAwareNumericDocValues.java

@@ -10,24 +10,9 @@
 package org.elasticsearch.index.codec.tsdb.es819;
 
 import org.apache.lucene.index.NumericDocValues;
-import org.elasticsearch.index.mapper.BlockDocValuesReader;
-import org.elasticsearch.index.mapper.BlockLoader;
-
-import java.io.IOException;
 
 public abstract class BlockAwareNumericDocValues extends NumericDocValues {
 
-    public abstract void loadBlock(BlockLoader.SingletonLongBuilder builder, BlockLoader.Docs docs, int offset) throws IOException;
-
-    public abstract void loadBlock(BlockLoader.IntBuilder builder, BlockLoader.Docs docs, int offset) throws IOException;
-
-    public abstract void loadBlock(BlockLoader.SingletonOrdinalsBuilder builder, BlockLoader.Docs docs, int offset) throws IOException;
-
-    public abstract void loadBlock(
-        BlockLoader.DoubleBuilder builder,
-        BlockLoader.Docs docs,
-        int offset,
-        BlockDocValuesReader.ToDouble toDouble
-    ) throws IOException;
+    public abstract SingletonLongDocValuesBlockLoader getSingletonBlockLoader();
 
 }

server/src/main/java/org/elasticsearch/index/codec/tsdb/es819/BlockAwareSortedNumericDocValues.java

@@ -9,13 +9,14 @@
 
 package org.elasticsearch.index.codec.tsdb.es819;
 
-import org.apache.lucene.index.SortedDocValues;
 import org.elasticsearch.index.mapper.BlockLoader;
 
 import java.io.IOException;
 
-public abstract class BlockAwareSortedDocValues extends SortedDocValues {
+public interface SingletonLongDocValuesBlockLoader {
 
-    public abstract void loadBlock(BlockLoader.SingletonOrdinalsBuilder builder, BlockLoader.Docs docs, int offset) throws IOException;
+    void loadBlock(BlockLoader.SingletonLongBuilder builder, BlockLoader.Docs docs, int offset) throws IOException;
+
+    int docID();
 
 }