From ac8700ff651c6557b825862029e90f9954274bf2 Mon Sep 17 00:00:00 2001
From: Tomasz Lelek <tomekl007@gmail.com>
Date: Thu, 27 Apr 2017 19:35:22 +0200
Subject: [PATCH] Bael 850 (#1744)

* BAEL-850 ConcurentskipLIst

* BAEL-850 formatting

* BAEL-850 Formatting

* spring 5 work

* SetTest refactor (#1724)

* BAEL-850 use lambda

* BAEL-850 no need to casting
---
 .../concurrent/skiplist/EventWindowSort.java  | 19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)

diff --git a/core-java/src/main/java/com/baeldung/concurrent/skiplist/EventWindowSort.java b/core-java/src/main/java/com/baeldung/concurrent/skiplist/EventWindowSort.java
index 9eef00bd3f..3aca6b0147 100644
--- a/core-java/src/main/java/com/baeldung/concurrent/skiplist/EventWindowSort.java
+++ b/core-java/src/main/java/com/baeldung/concurrent/skiplist/EventWindowSort.java
@@ -4,17 +4,10 @@ import java.time.ZonedDateTime;
 import java.util.Comparator;
 import java.util.concurrent.ConcurrentNavigableMap;
 import java.util.concurrent.ConcurrentSkipListMap;
-import java.util.function.ToLongFunction;
 
 public class EventWindowSort {
-    private final ConcurrentSkipListMap<ZonedDateTime, String> events = new ConcurrentSkipListMap<>(Comparator.comparingLong(new ToLongFunction<ZonedDateTime>() {
-        @Override
-        public long applyAsLong(ZonedDateTime value) {
-            return value
-              .toInstant()
-              .toEpochMilli();
-        }
-    }));
+    private final ConcurrentSkipListMap<ZonedDateTime, String> events
+            = new ConcurrentSkipListMap<>(Comparator.comparingLong(value -> value.toInstant().toEpochMilli()));
 
     public void acceptEvent(Event event) {
         events.put(event.getEventTime(), event.getContent());
@@ -22,14 +15,14 @@ public class EventWindowSort {
 
     public ConcurrentNavigableMap<ZonedDateTime, String> getEventsFromLastMinute() {
         return events.tailMap(ZonedDateTime
-          .now()
-          .minusMinutes(1));
+                .now()
+                .minusMinutes(1));
     }
 
     public ConcurrentNavigableMap<ZonedDateTime, String> getEventsOlderThatOneMinute() {
         return events.headMap(ZonedDateTime
-          .now()
-          .minusMinutes(1));
+                .now()
+                .minusMinutes(1));
     }
 
 }