=cdd #17778 Convert samples to java

akka-distributed-data/src/main/scala/akka/cluster/ddata/LWWMap.scala

@@ -44,8 +44,19 @@ final class LWWMap[A] private[akka] (
 
   type T = LWWMap[A]
 
+  /**
+   * Scala API: All entries of the map.
+   */
   def entries: Map[String, A] = underlying.entries.map { case (k, r) ⇒ k -> r.value }
 
+  /**
+   * Java API: All entries of the map.
+   */
+  def getEntries(): java.util.Map[String, A] = {
+    import scala.collection.JavaConverters._
+    entries.asJava
+  }
+
   def get(key: String): Option[A] = underlying.get(key).map(_.value)
 
   def contains(key: String): Boolean = underlying.contains(key)

akka-distributed-data/src/main/scala/akka/cluster/ddata/PNCounterMap.scala

@@ -37,7 +37,10 @@ final class PNCounterMap private[akka] (
   def entries: Map[String, BigInt] = underlying.entries.map { case (k, c) ⇒ k -> c.value }
 
   /** Java API */
-  def getEntries: Map[String, BigInteger] = underlying.entries.map { case (k, c) ⇒ k -> c.value.bigInteger }
+  def getEntries: java.util.Map[String, BigInteger] = {
+    import scala.collection.JavaConverters._
+    underlying.entries.map { case (k, c) ⇒ k -> c.value.bigInteger }.asJava
+  }
 
   /**
    *  Scala API: The count for a key

akka-distributed-data/src/main/scala/akka/cluster/ddata/Replicator.scala

@@ -217,6 +217,13 @@ object Replicator {
      * Java API: `Get` value from local `Replicator`, i.e. `ReadLocal` consistency.
      */
     def this(key: Key[A], consistency: ReadConsistency) = this(key, consistency, None)
+
+    /**
+     * Java API: `Get` value from local `Replicator`, i.e. `ReadLocal` consistency.
+     */
+    def this(key: Key[A], consistency: ReadConsistency, request: Optional[Any]) =
+      this(key, consistency, Option(request.orElse(null)))
+
   }
   sealed abstract class GetResponse[A <: ReplicatedData] extends NoSerializationVerificationNeeded {
     def key: Key[A]