Version.LATEST instead of Lucene.VERSION

There was a TODO for it.

core/src/main/java/org/elasticsearch/Version.java

@@ -25,7 +25,6 @@ import org.elasticsearch.common.SuppressForbidden;
 import org.elasticsearch.common.inject.AbstractModule;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
-import org.elasticsearch.common.lucene.Lucene;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.monitor.jvm.JvmInfo;
 
@@ -286,7 +285,8 @@ public class Version {
     public static final Version CURRENT = V_3_0_0;
 
     static {
-        assert CURRENT.luceneVersion.equals(Lucene.VERSION) : "Version must be upgraded to [" + Lucene.VERSION + "] is still set to [" + CURRENT.luceneVersion + "]";
+        assert CURRENT.luceneVersion.equals(org.apache.lucene.util.Version.LATEST) : "Version must be upgraded to ["
+                + org.apache.lucene.util.Version.LATEST + "] is still set to [" + CURRENT.luceneVersion + "]";
     }
 
     public static Version readVersion(StreamInput in) throws IOException {
@@ -457,7 +457,6 @@ public class Version {
                 return V_0_90_0_RC1;
             case V_0_90_0_Beta1_ID:
                 return V_0_90_0_Beta1;
-
             case V_0_20_7_ID:
                 return V_0_20_7;
             case V_0_20_6_ID:
@@ -476,7 +475,6 @@ public class Version {
                 return V_0_20_0;
             case V_0_20_0_RC1_ID:
                 return V_0_20_0_RC1;
-
             case V_0_19_0_RC1_ID:
                 return V_0_19_0_RC1;
             case V_0_19_0_RC2_ID:
@@ -511,7 +509,6 @@ public class Version {
                 return V_0_19_12;
             case V_0_19_13_ID:
                 return V_0_19_13;
-
             case V_0_18_0_ID:
                 return V_0_18_0;
             case V_0_18_1_ID:
@@ -530,9 +527,8 @@ public class Version {
                 return V_0_18_7;
             case V_0_18_8_ID:
                 return V_0_18_8;
-
             default:
-                return new Version(id, false, Lucene.VERSION);
+                return new Version(id, false, org.apache.lucene.util.Version.LATEST);
         }
     }
 

core/src/main/java/org/elasticsearch/common/lucene/Lucene.java

@@ -86,11 +86,6 @@ import java.util.Objects;
  *
  */
 public class Lucene {
-
-    // TODO: remove VERSION, and have users use Version.LATEST.
-    public static final Version VERSION = Version.LATEST;
-    public static final Version ANALYZER_VERSION = VERSION;
-    public static final Version QUERYPARSER_VERSION = VERSION;
     public static final String LATEST_DOC_VALUES_FORMAT = "Lucene54";
     public static final String LATEST_POSTINGS_FORMAT = "Lucene50";
     public static final String LATEST_CODEC = "Lucene54";
@@ -109,7 +104,6 @@ public class Lucene {
 
     public static final TopDocs EMPTY_TOP_DOCS = new TopDocs(0, EMPTY_SCORE_DOCS, 0.0f);
 
-    @SuppressWarnings("deprecation")
     public static Version parseVersion(@Nullable String version, Version defaultVersion, ESLogger logger) {
         if (version == null) {
             return defaultVersion;

core/src/main/java/org/elasticsearch/index/analysis/Analysis.java

@@ -89,12 +89,12 @@ public class Analysis {
         // check for explicit version on the specific analyzer component
         String sVersion = settings.get("version");
         if (sVersion != null) {
-            return Lucene.parseVersion(sVersion, Lucene.ANALYZER_VERSION, logger);
+            return Lucene.parseVersion(sVersion, Version.LATEST, logger);
         }
         // check for explicit version on the index itself as default for all analysis components
         sVersion = indexSettings.get("index.analysis.version");
         if (sVersion != null) {
-            return Lucene.parseVersion(sVersion, Lucene.ANALYZER_VERSION, logger);
+            return Lucene.parseVersion(sVersion, Version.LATEST, logger);
         }
         // resolve the analysis version based on the version the index was created with
         return org.elasticsearch.Version.indexCreated(indexSettings).luceneVersion;

core/src/test/java/org/elasticsearch/common/lucene/LuceneTests.java

@@ -38,7 +38,6 @@ import org.apache.lucene.search.TermQuery;
 import org.apache.lucene.store.Directory;
 import org.apache.lucene.store.MMapDirectory;
 import org.apache.lucene.store.MockDirectoryWrapper;
-import org.apache.lucene.util.Version;
 import org.elasticsearch.test.ESTestCase;
 
 import java.io.IOException;
@@ -54,14 +53,6 @@ import java.util.concurrent.atomic.AtomicBoolean;
  *
  */
 public class LuceneTests extends ESTestCase {
-    /**
-     * simple test that ensures that we bump the version on Upgrade
-     */
-    public void testVersion() {
-        // note this is just a silly sanity check, we test it in lucene, and we point to it this way
-        assertEquals(Lucene.VERSION, Version.LATEST);
-    }
-
     public void testWaitForIndex() throws Exception {
         final MockDirectoryWrapper dir = newMockDirectory();