commit edd932fb2cccdbdf3026e281cb57083000e33442
author Yuta HIGUCHI <y-higuchi@ak.jp.nec.com> Sat Mar 11 13:47:41 2017 -0800
committer Thomas Vachuska <tom@onlab.us> Mon Mar 13 17:51:15 2017 +0000
tree 0ad49417e0c43454163ad10ef72ddbc576fab3a4
parent 66e35f4195f55f3b56e8f3e05b6c493d0a91f8fa

use toImmutableSet converting Stream to Set

Change-Id: Ifc6eac3bfd524fbf076a076bb73e5b2e51706066

drivers/optical/src/main/java/org/onosproject/driver/optical/query/OFOpticalSwitch13LambdaQuery.java

diff --git a/drivers/optical/src/main/java/org/onosproject/driver/optical/query/OFOpticalSwitch13LambdaQuery.java b/drivers/optical/src/main/java/org/onosproject/driver/optical/query/OFOpticalSwitch13LambdaQuery.java
index 733cbd5..6bd4574 100644
--- a/drivers/optical/src/main/java/org/onosproject/driver/optical/query/OFOpticalSwitch13LambdaQuery.java
+++ b/drivers/optical/src/main/java/org/onosproject/driver/optical/query/OFOpticalSwitch13LambdaQuery.java
@@ -15,6 +15,7 @@
  */
 package org.onosproject.driver.optical.query;
 
+import org.onlab.util.GuavaCollectors;
 import org.onosproject.net.ChannelSpacing;
 import org.onosproject.net.OchSignal;
 import org.onosproject.net.Port;
@@ -28,7 +29,6 @@
 
 import java.util.Collections;
 import java.util.Set;
-import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
 /**
@@ -60,6 +60,6 @@
         // OMS ports expose 'lambdaCount' fixed grid lambdas of 50GHz width, starting from min-frequency 191.7 THz.
         return IntStream.rangeClosed(1, lambdaCount)
                 .mapToObj(x -> OchSignal.newDwdmSlot(ChannelSpacing.CHL_50GHZ, x))
-                .collect(Collectors.toSet());
+                .collect(GuavaCollectors.toImmutableSet());
     }
 }