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aradzinski pushed a commit to branch NLPCRAFT-472
in repository https://gitbox.apache.org/repos/asf/incubator-nlpcraft.git


The following commit(s) were added to refs/heads/NLPCRAFT-472 by this push:
     new 755c465  CR WIP
755c465 is described below

commit 755c465529aca88d6c0ec58d6da5b3486df3fa0a
Author: Aaron Radzinski <[email protected]>
AuthorDate: Sun Jan 16 13:26:43 2022 -0800

    CR WIP
---
 .../main/scala/org/apache/nlpcraft/NCContext.java  |  1 -
 .../scala/org/apache/nlpcraft/NCConversation.java  |  8 ++++-
 .../main/scala/org/apache/nlpcraft/NCEntity.java   |  6 ++++
 .../nlp/entity/parser/nlp/NCNlpEntityParser.java   |  9 ++----
 ...NCNlpEntityParserImpl.scala => NCNlpImpl.scala} |  7 ++--
 .../parser/opennlp/NCOpenNlpEntityParser.java      | 17 ++++------
 ...pEntityParserImpl.scala => NCOpenNlpImpl.scala} | 37 +++++++++++-----------
 .../internal/NCModelPipelineProcessorSpec.scala    | 27 +++++++++-------
 .../entity/parser/nlp/NCNlpEntityParserSpec.scala  |  3 ++
 .../parser/opennlp/NCOpenNlpEntityParserSpec.scala |  8 +++++
 .../semantic/NCSemanticEntityParserJsonSpec.scala  |  9 ++++++
 .../semantic/NCSemanticEntityParserSpec.scala      | 14 +++++---
 .../semantic/NCSemanticEntityParserYamlSpec.scala  |  8 +++++
 .../nlpcraft/nlp/util/opennlp/NCTestConfig.scala   |  1 +
 14 files changed, 97 insertions(+), 58 deletions(-)

diff --git a/nlpcraft/src/main/scala/org/apache/nlpcraft/NCContext.java 
b/nlpcraft/src/main/scala/org/apache/nlpcraft/NCContext.java
index 36a4a51..1db8097 100644
--- a/nlpcraft/src/main/scala/org/apache/nlpcraft/NCContext.java
+++ b/nlpcraft/src/main/scala/org/apache/nlpcraft/NCContext.java
@@ -27,7 +27,6 @@ public interface NCContext {
      * Tests if given entity is part of the query this context is associated 
with.
      *
      * @param ent Entity to check.
-     * @return {@code true} if given entity is associated with this context, 
{@code false} otherwise.
      */
     boolean isOwnerOf(NCEntity ent);
 
diff --git a/nlpcraft/src/main/scala/org/apache/nlpcraft/NCConversation.java 
b/nlpcraft/src/main/scala/org/apache/nlpcraft/NCConversation.java
index 6cfc375..7856601 100644
--- a/nlpcraft/src/main/scala/org/apache/nlpcraft/NCConversation.java
+++ b/nlpcraft/src/main/scala/org/apache/nlpcraft/NCConversation.java
@@ -25,9 +25,15 @@ import java.util.function.Predicate;
  */
 public interface NCConversation {
     /**
+     *
+     * @return
+     */
+    NCPropertyMap getSession();
+
+    /**
      * 
      */
-    List<NCEntity> getEntities();
+    List<NCEntity> getStm();
 
     /**
      * Gets the chronologically ordered list of previously matched intents 
sorted from oldest to newest
diff --git a/nlpcraft/src/main/scala/org/apache/nlpcraft/NCEntity.java 
b/nlpcraft/src/main/scala/org/apache/nlpcraft/NCEntity.java
index ca746bb..22fc53d 100644
--- a/nlpcraft/src/main/scala/org/apache/nlpcraft/NCEntity.java
+++ b/nlpcraft/src/main/scala/org/apache/nlpcraft/NCEntity.java
@@ -37,6 +37,12 @@ public interface NCEntity extends NCPropertyMap {
     String getRequestId();
 
     /**
+     * 
+     * @return
+     */
+    default String getGroup() { return getId(); }
+
+    /**
      *
      * @return
      */
diff --git 
a/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/nlp/NCNlpEntityParser.java
 
b/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/nlp/NCNlpEntityParser.java
index 53165e7..2e57674 100644
--- 
a/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/nlp/NCNlpEntityParser.java
+++ 
b/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/nlp/NCNlpEntityParser.java
@@ -22,22 +22,17 @@ import org.apache.nlpcraft.NCEntityParser;
 import org.apache.nlpcraft.NCModelConfig;
 import org.apache.nlpcraft.NCRequest;
 import org.apache.nlpcraft.NCToken;
-import org.apache.nlpcraft.nlp.entity.parser.nlp.impl.NCNlpEntityParserImpl;
+import org.apache.nlpcraft.nlp.entity.parser.nlp.impl.NCNlpImpl;
 
 import java.util.List;
 
 /**
  * TODO: add javadoc based on comments below.
  *
- * Umbrella for NLP tokens.
- *
- * Each entity with ID 'nlp:token' contans one token and have following 
properties copied from its token:
- * nlp:token:lemma, nlp:token:pos, nlp:token:text, nlp:token:index
- *
  * Component is language independent.
  */
 public class NCNlpEntityParser implements NCEntityParser {
-    private final NCNlpEntityParserImpl impl = new NCNlpEntityParserImpl();
+    private final NCNlpImpl impl = new NCNlpImpl();
 
     @Override
     public List<NCEntity> parse(NCRequest req, NCModelConfig cfg, 
List<NCToken> toks) {
diff --git 
a/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/nlp/impl/NCNlpEntityParserImpl.scala
 
b/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/nlp/impl/NCNlpImpl.scala
similarity index 90%
rename from 
nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/nlp/impl/NCNlpEntityParserImpl.scala
rename to 
nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/nlp/impl/NCNlpImpl.scala
index c8c4367..c60aa9f 100644
--- 
a/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/nlp/impl/NCNlpEntityParserImpl.scala
+++ 
b/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/nlp/impl/NCNlpImpl.scala
@@ -26,19 +26,18 @@ import java.util.stream.Collectors
 /**
   *
   */
-object NCNlpEntityParserImpl:
+object NCNlpImpl:
     private def id = "nlp:token"
 
-import org.apache.nlpcraft.nlp.entity.parser.nlp.impl.NCNlpEntityParserImpl.*
+import org.apache.nlpcraft.nlp.entity.parser.nlp.impl.NCNlpImpl.*
 
 /**
   *
   */
-class NCNlpEntityParserImpl extends NCEntityParser:
+class NCNlpImpl extends NCEntityParser:
     override def parse(req: NCRequest, cfg: NCModelConfig, toks: 
JList[NCToken]): JList[NCEntity] =
         toks.stream().map(t =>
             new NCPropertyMapAdapter with NCEntity:
-                // TODO: add stem?
                 put(s"$id:lemma", t.getLemma)
                 put(s"$id:pos", t.getPos)
                 put(s"$id:text", t.getText)
diff --git 
a/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/opennlp/NCOpenNlpEntityParser.java
 
b/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/opennlp/NCOpenNlpEntityParser.java
index 465c941..d82cb42 100644
--- 
a/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/opennlp/NCOpenNlpEntityParser.java
+++ 
b/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/opennlp/NCOpenNlpEntityParser.java
@@ -17,12 +17,8 @@
 
 package org.apache.nlpcraft.nlp.entity.parser.opennlp;
 
-import org.apache.nlpcraft.NCEntity;
-import org.apache.nlpcraft.NCEntityParser;
-import org.apache.nlpcraft.NCModelConfig;
-import org.apache.nlpcraft.NCRequest;
-import org.apache.nlpcraft.NCToken;
-import 
org.apache.nlpcraft.nlp.entity.parser.opennlp.impl.NCOpenNlpEntityParserImpl;
+import org.apache.nlpcraft.*;
+import org.apache.nlpcraft.nlp.entity.parser.opennlp.impl.NCOpenNlpImpl;
 
 import java.util.List;
 import java.util.Objects;
@@ -41,26 +37,25 @@ import java.util.Objects;
  * <p>
  */
 public class NCOpenNlpEntityParser implements NCEntityParser {
-    private final NCOpenNlpEntityParserImpl impl;
+    private final NCOpenNlpImpl impl;
 
     /**
      * @param mdlSrc
      */
     public NCOpenNlpEntityParser(String mdlSrc) {
-        // TODO: error texts.
         Objects.requireNonNull(mdlSrc, "Model source cannot be null.");
 
-        this.impl = new 
NCOpenNlpEntityParserImpl(java.util.Collections.singletonList(mdlSrc));
+        this.impl = new 
NCOpenNlpImpl(java.util.Collections.singletonList(mdlSrc));
     }
 
     /**
      * @param mdlSrcs
      */
     public NCOpenNlpEntityParser(List<String> mdlSrcs) {
-        // TODO: error texts.
         Objects.requireNonNull(mdlSrcs, "Model sources cannot be null.");
+        if (mdlSrcs.size() == 0) throw new NCException("Model sources cannot 
be empty.");
 
-        this.impl = new NCOpenNlpEntityParserImpl(mdlSrcs);
+        this.impl = new NCOpenNlpImpl(mdlSrcs);
     }
 
     @Override
diff --git 
a/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/opennlp/impl/NCOpenNlpEntityParserImpl.scala
 
b/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/opennlp/impl/NCOpenNlpImpl.scala
similarity index 81%
rename from 
nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/opennlp/impl/NCOpenNlpEntityParserImpl.scala
rename to 
nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/opennlp/impl/NCOpenNlpImpl.scala
index eef48cc..fd26880 100644
--- 
a/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/opennlp/impl/NCOpenNlpEntityParserImpl.scala
+++ 
b/nlpcraft/src/main/scala/org/apache/nlpcraft/nlp/entity/parser/opennlp/impl/NCOpenNlpImpl.scala
@@ -34,38 +34,40 @@ import scala.util.Using
 
 /**
   *
-  * @param resources
+  * @param srcs
   */
-class NCOpenNlpEntityParserImpl(resources: JList[String]) extends 
NCEntityParser with LazyLogging :
-    require(resources != null)
+class NCOpenNlpImpl(srcs: JList[String]) extends NCEntityParser with 
LazyLogging :
+    require(srcs != null)
 
     private var finders: Seq[NameFinderME] = _
+    private case class Holder(start: Int, end: Int, name: String, probability: 
Double)
 
     init()
 
-    private case class Holder(start: Int, end: Int, name: String, probability: 
Double)
-
+    /**
+      *
+      */
     private def init(): Unit =
         val finders = mutable.ArrayBuffer.empty[NameFinderME]
-
         NCUtils.execPar(
-            resources.asScala.toSeq.map(res => () => {
+            srcs.asScala.toSeq.map(res => () => {
                 val f = new NameFinderME(new 
TokenNameFinderModel(NCUtils.getStream(res)))
-
                 logger.trace(s"Loaded resource: $res")
-
                 finders.synchronized { finders += f }
             })*)(ExecutionContext.Implicits.global)
 
         this.finders = finders.toSeq
 
-    private def find(finder: NameFinderME, words: Array[String]): 
Array[Holder] =
-        finder.synchronized {
-            try
-                finder.find(words).map(p => Holder(p.getStart, p.getEnd - 1, 
p.getType, p.getProb))
-            finally
-                finder.clearAdaptiveData()
-       }
+    /**
+      *
+      * @param finder
+      * @param words
+      * @return
+      */
+    private def find(finder: NameFinderME, words: Array[String]): 
Array[Holder] = finder.synchronized {
+        try finder.find(words).map(p => Holder(p.getStart, p.getEnd - 1, 
p.getType, p.getProb))
+        finally finder.clearAdaptiveData()
+    }
 
     override def parse(req: NCRequest, cfg: NCModelConfig, toksList: 
JList[NCToken]): JList[NCEntity] =
         val toks = toksList.asScala
@@ -84,8 +86,7 @@ class NCOpenNlpEntityParserImpl(resources: JList[String]) 
extends NCEntityParser
                 new NCPropertyMapAdapter with NCEntity:
                     put(s"opennlp:${h.name}:probability", h.probability)
 
-                    override val getTokens: JList[NCToken] =
-                        toks.flatMap(t => Option.when(t.getIndex >= i1 && 
t.getIndex <= i2)(t)).asJava
+                    override val getTokens: JList[NCToken] = toks.flatMap(t => 
Option.when(t.getIndex >= i1 && t.getIndex <= i2)(t)).asJava
                     override val getRequestId: String = req.getRequestId
                     override val getId: String = s"opennlp:${h.name}"
             )
diff --git 
a/nlpcraft/src/test/scala/org/apache/nlpcraft/internal/NCModelPipelineProcessorSpec.scala
 
b/nlpcraft/src/test/scala/org/apache/nlpcraft/internal/NCModelPipelineProcessorSpec.scala
index 6eec102..24db423 100644
--- 
a/nlpcraft/src/test/scala/org/apache/nlpcraft/internal/NCModelPipelineProcessorSpec.scala
+++ 
b/nlpcraft/src/test/scala/org/apache/nlpcraft/internal/NCModelPipelineProcessorSpec.scala
@@ -19,7 +19,7 @@ package org.apache.nlpcraft.internal
 
 import org.apache.nlpcraft.*
 import org.apache.nlpcraft.internal.impl.NCModelPipelineProcessor
-import org.apache.nlpcraft.nlp.entity.parser.nlp.impl.NCNlpEntityParserImpl
+import org.apache.nlpcraft.nlp.entity.parser.nlp.impl.NCNlpImpl
 import org.apache.nlpcraft.nlp.entity.parser.semantic.*
 import org.apache.nlpcraft.nlp.entity.parser.semantic.impl.en.NCEnPorterStemmer
 import org.apache.nlpcraft.nlp.util.*
@@ -37,6 +37,9 @@ import scala.jdk.CollectionConverters.*
   *
   */
 class NCModelPipelineProcessorSpec:
+    /**
+      *
+      */
     @Test
     def test(): Unit =
         def test(txt: String, variantCnt: Int, elements: NCSemanticElement*): 
Unit =
@@ -46,9 +49,7 @@ class NCModelPipelineProcessorSpec:
             pipeline.getEntityParsers.clear()
             pipeline.getEntityParsers.add(parser)
 
-            val res =
-                new NCModelPipelineProcessor(new NCModelAdapter(CFG, 
pipeline)).
-                    prepVariants(txt, null, "userId")
+            val res = new NCModelPipelineProcessor(new NCModelAdapter(CFG, 
pipeline)).prepVariants(txt, null, "userId")
 
             println(s"Variants count: ${res.vars.size}")
             for ((v, idx) <- res.vars.zipWithIndex)
@@ -63,10 +64,10 @@ class NCModelPipelineProcessorSpec:
     /**
       *
       * @param delayMs
-      * @param itersCnt
+      * @param iterCnt
       * @return
       */
-    private def mkSlowPipelineProcessor(delayMs: Long, itersCnt: Int): 
NCModelPipelineProcessor =
+    private def mkSlowPipelineProcessor(delayMs: Long, iterCnt: Int): 
NCModelPipelineProcessor =
         val pipeline = EN_PIPELINE.clone()
 
         pipeline.getEntityParsers.clear()
@@ -78,10 +79,13 @@ class NCModelPipelineProcessorSpec:
                     Thread.sleep(delayMs)
                     java.util.Collections.emptyList()
 
-        (0 until itersCnt).foreach(i => 
pipeline.getEntityParsers.add(mkSlowParser(i)))
+        (0 until iterCnt).foreach(i => 
pipeline.getEntityParsers.add(mkSlowParser(i)))
 
         NCModelPipelineProcessor(new NCModelAdapter(CFG, pipeline))
 
+    /**
+      *
+      */
     @Test
     def testCancel(): Unit =
         val fut = mkSlowPipelineProcessor(1, 10000).ask("any", null, "userId")
@@ -92,13 +96,14 @@ class NCModelPipelineProcessorSpec:
 
         Assertions.assertThrows(classOf[CancellationException], () => fut.get)
 
+    /**
+      *
+      */
     @Test
     def testTimeout(): Unit =
         val fut = mkSlowPipelineProcessor(1, 10000).ask("any", null, "userId")
 
         Thread.sleep(20)
 
-        try
-            Assertions.assertThrows(classOf[TimeoutException], () => 
fut.get(1, TimeUnit.MILLISECONDS))
-        finally
-            fut.cancel(true)
+        try Assertions.assertThrows(classOf[TimeoutException], () => 
fut.get(1, TimeUnit.MILLISECONDS))
+        finally fut.cancel(true)
diff --git 
a/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/nlp/NCNlpEntityParserSpec.scala
 
b/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/nlp/NCNlpEntityParserSpec.scala
index eaacd70..1d648f8 100644
--- 
a/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/nlp/NCNlpEntityParserSpec.scala
+++ 
b/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/nlp/NCNlpEntityParserSpec.scala
@@ -36,6 +36,9 @@ import scala.jdk.OptionConverters.RichOptional
 class NCNlpEntityParserSpec:
     private val parser = new NCNlpEntityParser()
 
+    /**
+      *
+      */
     @Test
     def test(): Unit =
         val req = NCTestRequest("I had the lunch")
diff --git 
a/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/opennlp/NCOpenNlpEntityParserSpec.scala
 
b/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/opennlp/NCOpenNlpEntityParserSpec.scala
index 26ca973..da30d94 100644
--- 
a/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/opennlp/NCOpenNlpEntityParserSpec.scala
+++ 
b/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/opennlp/NCOpenNlpEntityParserSpec.scala
@@ -45,6 +45,11 @@ class NCOpenNlpEntityParserSpec:
         ).asJava
     )
 
+    /**
+      *
+      * @param txt
+      * @param expected
+      */
     private def check(txt: String, expected: String): Unit =
         val req = NCTestRequest(txt)
         val toks = EN_PIPELINE.getTokenParser.tokenize(txt)
@@ -55,6 +60,9 @@ class NCOpenNlpEntityParserSpec:
         require(ents.sizeIs == 1)
         
require(ents.exists(_.getOpt(s"opennlp:$expected:probability").isPresent))
 
+    /**
+      *
+      */
     @Test
     def test(): Unit =
         check("today", "date")
diff --git 
a/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/semantic/NCSemanticEntityParserJsonSpec.scala
 
b/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/semantic/NCSemanticEntityParserJsonSpec.scala
index 228ee2e..a9bdde7 100644
--- 
a/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/semantic/NCSemanticEntityParserJsonSpec.scala
+++ 
b/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/semantic/NCSemanticEntityParserJsonSpec.scala
@@ -42,6 +42,12 @@ class NCSemanticEntityParserJsonSpec:
         "models/alarm_model.json"
     )
 
+    /**
+      * 
+      * @param txt
+      * @param id
+      * @param elemData
+      */
     private def check(txt: String, id: String, elemData: Option[Map[String, 
Any]] = None): Unit =
         val req = NCTestRequest(txt)
         val ents = parser.parse(
@@ -59,6 +65,9 @@ class NCSemanticEntityParserJsonSpec:
             case Some(m) => m.foreach { (k, v) => 
require(tok.get[Any](s"$id:$k") == v) }
             case None => // No-op.
 
+    /**
+      * 
+      */
     @Test
     def test(): Unit =
         check(
diff --git 
a/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/semantic/NCSemanticEntityParserSpec.scala
 
b/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/semantic/NCSemanticEntityParserSpec.scala
index af5bf66..4b8288a 100644
--- 
a/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/semantic/NCSemanticEntityParserSpec.scala
+++ 
b/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/semantic/NCSemanticEntityParserSpec.scala
@@ -53,9 +53,12 @@ case class NCSemanticTestElement(
     override def getSynonyms: JSet[String] = synonyms.asJava
     override def getProperties: JMap[String, Object] = props.asJava
 
-object NCSemanticTestElement {
+/**
+  * 
+  */
+object NCSemanticTestElement:
     def apply(id: String, synonyms: String*) = new NCSemanticTestElement(id, 
synonyms = synonyms.toSet)
-}
+
 /**
   *
   */
@@ -92,9 +95,7 @@ class NCSemanticEntityParserSpec:
       * @param value
       * @param elemData
       */
-    private def check(
-        txt: String, id: String, value: Option[String] = None, elemData: 
Option[Map[String, Any]] = None
-    ): Unit =
+    private def check(txt: String, id: String, value: Option[String] = None, 
elemData: Option[Map[String, Any]] = None): Unit =
         val req = NCTestRequest(txt)
         val toks = EN_PIPELINE.getTokenParser.tokenize(txt)
 
@@ -136,6 +137,9 @@ class NCSemanticEntityParserSpec:
         require(ents.sizeIs == ids.size)
         ents.map(_.getId).sorted.zip(ids.sorted).foreach { case (eId, id) => 
require(eId == id) }
 
+    /**
+      * 
+      */
     @Test
     def test(): Unit =
         check("t1", "t1")
diff --git 
a/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/semantic/NCSemanticEntityParserYamlSpec.scala
 
b/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/semantic/NCSemanticEntityParserYamlSpec.scala
index f8bcdee..2e40c1c 100644
--- 
a/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/semantic/NCSemanticEntityParserYamlSpec.scala
+++ 
b/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/entity/parser/semantic/NCSemanticEntityParserYamlSpec.scala
@@ -40,6 +40,11 @@ class NCSemanticEntityParserYamlSpec:
         "models/lightswitch_model.yaml"
     )
 
+    /**
+      * 
+      * @param txt
+      * @param id
+      */
     private def check(txt: String, id: String): Unit =
         val req = NCTestRequest(txt)
         val ents = parser.parse(
@@ -54,6 +59,9 @@ class NCSemanticEntityParserYamlSpec:
         
         require(tok.getId == id)
 
+    /**
+      * 
+      */
     @Test
     def test(): Unit =
         check("Turn the lights off in the entire house.", "ls:off")
\ No newline at end of file
diff --git 
a/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/util/opennlp/NCTestConfig.scala
 
b/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/util/opennlp/NCTestConfig.scala
index 3b36d37..56eccd0 100644
--- 
a/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/util/opennlp/NCTestConfig.scala
+++ 
b/nlpcraft/src/test/scala/org/apache/nlpcraft/nlp/util/opennlp/NCTestConfig.scala
@@ -20,6 +20,7 @@ package org.apache.nlpcraft.nlp.util.opennlp
 import org.apache.nlpcraft.NCModelConfig
 import org.apache.nlpcraft.nlp.token.parser.opennlp.NCOpenNlpTokenParser
 import org.apache.nlpcraft.nlp.util.*
+
 /**
   *
   */

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