[infinispan-issues] [JBoss JIRA] (ISPN-6754) Get rid of feature and deprecation warnings when compiling Hotrod server

[Vojtech Juranek (JIRA)]

Vojtech Juranek created ISPN-6754:
-------------------------------------

             Summary: Get rid of feature and deprecation warnings when compiling Hotrod server
                 Key: ISPN-6754
                 URL: https://issues.jboss.org/browse/ISPN-6754
             Project: Infinispan
          Issue Type: Task
          Components: Server
            Reporter: Vojtech Juranek
            Assignee: Vojtech Juranek
            Priority: Minor


there's couple of feature and deprecation warning when compiling Hotrod server:
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[WARNING] /home/vjuranek/ws-idea/infinispan/server/hotrod/src/main/scala/org/infinispan/server/hotrod/iteration/IterationManager.scala:120: warning: inferred existential type Option[org.infinispan.filter.KeyValueFilterConverterFactory[_$2,_$3,_$4]] forSome { type _$2; type _$3; type _$4 }, which cannot be expressed by wildcards,  should be enabled
[INFO] by making the implicit value scala.language.existentials visible.
[INFO] This can be achieved by adding the import clause 'import scala.language.existentials'
[INFO] or by setting the compiler option -language:existentials.
[INFO] See the Scala docs for value scala.language.existentials for a discussion
[INFO] why the feature should be explicitly enabled.
[INFO]       Option(filterConverterFactoryMap.get(name)).orElse(throw log.missingKeyValueFilterConverterFactory(name))
[INFO]                                                         ^
[WARNING] /home/vjuranek/ws-idea/infinispan/server/hotrod/src/main/scala/org/infinispan/server/hotrod/iteration/IterationManager.scala:123: warning: inferred existential type Some[(org.infinispan.filter.KeyValueFilterConverter[_$5,_$6,_$7], Boolean)] forSome { type _$5; type _$6; type _$7 }, which cannot be expressed by wildcards,  should be enabled
[INFO] by making the implicit value scala.language.existentials visible.
[INFO]       factory match {
[INFO]               ^
[WARNING] /home/vjuranek/ws-idea/infinispan/server/hotrod/src/main/scala/org/infinispan/server/hotrod/package.scala:21: warning: implicit conversion method asScalaFunction should be enabled
[INFO] by making the implicit value scala.language.implicitConversions visible.
[INFO] This can be achieved by adding the import clause 'import scala.language.implicitConversions'
[INFO] or by setting the compiler option -language:implicitConversions.
[INFO] See the Scala docs for value scala.language.implicitConversions for a discussion
[INFO] why the feature should be explicitly enabled.
[INFO]    implicit def asScalaFunction[T, U](f: J8Function[T, U]): T => U = new Function[T, U] {
[INFO]                 ^
[WARNING] /home/vjuranek/ws-idea/infinispan/server/hotrod/src/main/scala/org/infinispan/server/hotrod/package.scala:25: warning: implicit conversion method asJavaFunction should be enabled
[INFO] by making the implicit value scala.language.implicitConversions visible.
[INFO]    implicit def asJavaFunction[T, U](f: T => U): J8Function[T, U] = new J8Function[T, U] {
[INFO]                 ^
[WARNING] /home/vjuranek/ws-idea/infinispan/server/hotrod/src/main/scala/org/infinispan/server/hotrod/package.scala:29: warning: implicit conversion method asJavaConsumer should be enabled
[INFO] by making the implicit value scala.language.implicitConversions visible.
[INFO]    implicit def asJavaConsumer[T](f: T => Unit): J8Consumer[T] = new J8Consumer[T] {
[INFO]                 ^
[WARNING] /home/vjuranek/ws-idea/infinispan/server/hotrod/src/main/scala/org/infinispan/server/hotrod/package.scala:33: warning: implicit conversion method asJavaBiConsumer should be enabled
[INFO] by making the implicit value scala.language.implicitConversions visible.
[INFO]    implicit def asJavaBiConsumer[T, U](f: (T, U) => Unit): J8BiConsumer[T, U] = new J8BiConsumer[T, U] {
[INFO]                 ^
[WARNING] /home/vjuranek/ws-idea/infinispan/server/hotrod/src/main/scala/org/infinispan/server/hotrod/package.scala:37: warning: implicit conversion method asJavaRunnable should be enabled
[INFO] by making the implicit value scala.language.implicitConversions visible.
[INFO]    implicit def asJavaRunnable(f: () => Unit): Runnable = new Runnable {
[INFO]                 ^
[WARNING] /home/vjuranek/ws-idea/infinispan/server/hotrod/src/main/scala/org/infinispan/server/hotrod/AbstractTopologyAwareEncoder1x.scala:24: warning: method numVirtualNodes in class HashConfiguration is deprecated: see corresponding Javadoc for more information.
[INFO]             cfg.clustering().hash().numVirtualNodes())
[INFO]                                     ^
[WARNING] /home/vjuranek/ws-idea/infinispan/server/hotrod/src/main/scala/org/infinispan/server/hotrod/AbstractTopologyAwareEncoder1x.scala:125: warning: method getHashFunction in trait ConsistentHash is deprecated: see corresponding Javadoc for more information.
[INFO]          val normalizedHash = ch.getHashFunction.hash(i) & Integer.MAX_VALUE
[INFO]                                  ^
[WARNING] 9 warnings found
{noformat}



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