ScriptLongFieldData to extend LeafLongFieldData (#59884)

Relates to #59332

Author: javanna

server/src/main/java/org/elasticsearch/index/fielddata/plain/LeafLongFieldData.java

@@ -29,15 +29,15 @@
 /**
  * Specialization of {@link LeafNumericFieldData} for integers.
  */
-abstract class LeafLongFieldData implements LeafNumericFieldData {
+public abstract class LeafLongFieldData implements LeafNumericFieldData {
 
     private final long ramBytesUsed;
     /**
      * Type of this field. Used to expose appropriate types in {@link #getScriptValues()}.
      */
     private final NumericType numericType;
 
-    LeafLongFieldData(long ramBytesUsed, NumericType numericType) {
+    protected LeafLongFieldData(long ramBytesUsed, NumericType numericType) {
         this.ramBytesUsed = ramBytesUsed;
         this.numericType = numericType;
     }

x-pack/plugin/runtime-fields/src/main/java/org/elasticsearch/xpack/runtimefields/fielddata/ScriptLongFieldData.java

@@ -11,15 +11,11 @@
 import org.apache.lucene.util.SetOnce;
 import org.elasticsearch.ExceptionsHelper;
 import org.elasticsearch.index.IndexSettings;
-import org.elasticsearch.index.fielddata.FieldData;
 import org.elasticsearch.index.fielddata.IndexFieldData;
 import org.elasticsearch.index.fielddata.IndexFieldDataCache;
 import org.elasticsearch.index.fielddata.IndexNumericFieldData;
-import org.elasticsearch.index.fielddata.LeafNumericFieldData;
-import org.elasticsearch.index.fielddata.ScriptDocValues;
 import org.elasticsearch.index.fielddata.SearchLookupAware;
-import org.elasticsearch.index.fielddata.SortedBinaryDocValues;
-import org.elasticsearch.index.fielddata.SortedNumericDoubleValues;
+import org.elasticsearch.index.fielddata.plain.LeafLongFieldData;
 import org.elasticsearch.index.mapper.MappedFieldType;
 import org.elasticsearch.index.mapper.MapperService;
 import org.elasticsearch.indices.breaker.CircuitBreakerService;
@@ -108,41 +104,17 @@ protected boolean sortRequiresCustomComparator() {
     @Override
     public void clear() {}
 
-    public static class ScriptLongLeafFieldData implements LeafNumericFieldData {
-        private final ScriptLongDocValues scriptBinaryDocValues;
+    public static class ScriptLongLeafFieldData extends LeafLongFieldData {
+        private final ScriptLongDocValues scriptLongDocValues;
 
-        ScriptLongLeafFieldData(ScriptLongDocValues scriptBinaryDocValues) {
-            this.scriptBinaryDocValues = scriptBinaryDocValues;
-        }
-
-        @Override
-        public ScriptDocValues<?> getScriptValues() {
-            return new ScriptDocValues.Longs(getLongValues());
-        }
-
-        @Override
-        public SortedBinaryDocValues getBytesValues() {
-            return FieldData.toString(scriptBinaryDocValues);
-        }
-
-        @Override
-        public SortedNumericDoubleValues getDoubleValues() {
-            return FieldData.castToDouble(getLongValues());
+        ScriptLongLeafFieldData(ScriptLongDocValues scriptLongDocValues) {
+            super(0, NumericType.LONG);
+            this.scriptLongDocValues = scriptLongDocValues;
         }
 
         @Override
         public SortedNumericDocValues getLongValues() {
-            return scriptBinaryDocValues;
-        }
-
-        @Override
-        public long ramBytesUsed() {
-            return 0;
-        }
-
-        @Override
-        public void close() {
-
+            return scriptLongDocValues;
         }
     }
 }