Es7 9 (#325)

* wip

* add plugin ref and adjust class name

gradle.properties

@@ -1,7 +1,5 @@
 ltrVersion = 1.3.1
-
-# Dependencies versions
-elasticsearchVersion = 7.8.1
-luceneVersion = 8.5.1
+elasticsearchVersion = 7.9.0
+luceneVersion = 8.6.0
+ow2Version = 7.2
 antlrVersion=4.5.1-1
-ow2Version=7.2

src/main/java/com/o19s/es/ltr/logging/LoggingFetchSubPhase.java

@@ -245,7 +245,7 @@ void nextDoc(SearchHit hit) {
             DocumentField logs = hit.getFields().get(FIELD_NAME);
             if (logs == null) {
                 logs = newLogField();
-                hit.setField(FIELD_NAME, logs);
+                hit.setDocumentField(FIELD_NAME, logs);
             }
             Map<String, List<Map<String, Object>>> entries = logs.getValue();
             rebuild();

src/test/java/com/o19s/es/ltr/logging/LoggingFetchSubPhaseTests.java

@@ -47,7 +47,7 @@
 import org.elasticsearch.common.lucene.search.function.FunctionScoreQuery;
 import org.elasticsearch.common.text.Text;
 import org.elasticsearch.index.Index;
-import org.elasticsearch.index.fielddata.plain.SortedNumericDVIndexFieldData;
+import org.elasticsearch.index.fielddata.plain.SortedNumericIndexFieldData;
 import org.elasticsearch.search.SearchHit;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
@@ -210,7 +210,7 @@ public RankerQuery buildQuery(String text) {
 
     public Query buildFunctionScore() {
         FieldValueFactorFunction fieldValueFactorFunction = new FieldValueFactorFunction("score", FACTOR, LN2P, 0D,
-                new SortedNumericDVIndexFieldData(new Index("test", "123"),
+                new SortedNumericIndexFieldData(new Index("test", "123"),
                         "score", FLOAT));
         return new FunctionScoreQuery(new MatchAllDocsQuery(),
                 fieldValueFactorFunction, CombineFunction.MULTIPLY, 0F, Float.MAX_VALUE);