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

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: {noformat} [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}