From b3ffac3cf0b26e40e8347146ec3654f43de49404 Mon Sep 17 00:00:00 2001
From: Julia Beliaeva <Julia.Beliaeva@jetbrains.com>
Date: Sun, 8 Feb 2015 02:32:07 +0300
Subject: [PATCH] [vcs-log] minor: remove duplication

---
 .../linearBek/LinearBekGraphBuilder.java      | 23 ++++++++-----------
 1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/platform/vcs-log/graph/src/com/intellij/vcs/log/graph/linearBek/LinearBekGraphBuilder.java b/platform/vcs-log/graph/src/com/intellij/vcs/log/graph/linearBek/LinearBekGraphBuilder.java
index 3aebfa92ed33..1bc28a74f7eb 100644
--- a/platform/vcs-log/graph/src/com/intellij/vcs/log/graph/linearBek/LinearBekGraphBuilder.java
+++ b/platform/vcs-log/graph/src/com/intellij/vcs/log/graph/linearBek/LinearBekGraphBuilder.java
@@ -37,6 +37,7 @@ import java.util.Set;
 class LinearBekGraphBuilder {
   private static final int MAX_BLOCK_SIZE = 200;
   private static final int MAGIC_SET_SIZE = PrintElementGeneratorImpl.LONG_EDGE_SIZE;
+  private static final GraphEdgeToDownNode GRAPH_EDGE_TO_DOWN_NODE = new GraphEdgeToDownNode();
   @NotNull private final GraphLayout myGraphLayout;
   private final LinearBekGraph myLinearBekGraph;
 
@@ -181,23 +182,12 @@ class LinearBekGraphBuilder {
     magicSet = ContainerUtil.newHashSet(MAGIC_SET_SIZE);
 
     PriorityQueue<Integer> magicQueue = new PriorityQueue<Integer>(MAGIC_SET_SIZE);
-    magicQueue
-      .addAll(ContainerUtil.map(myLinearBekGraph.getAdjacentEdges(node, EdgeFilter.NORMAL_DOWN), new Function<GraphEdge, Integer>() {
-        @Override
-        public Integer fun(GraphEdge graphEdge) {
-          return graphEdge.getDownNodeIndex();
-        }
-      }));
+    magicQueue.addAll(ContainerUtil.map(myLinearBekGraph.getAdjacentEdges(node, EdgeFilter.NORMAL_DOWN), GRAPH_EDGE_TO_DOWN_NODE));
     while (!magicQueue.isEmpty()) {
       Integer i = magicQueue.poll();
       if (i > node + MAGIC_SET_SIZE) break;
       magicSet.add(i);
-      magicQueue.addAll(ContainerUtil.map(myLinearBekGraph.getAdjacentEdges(i, EdgeFilter.NORMAL_DOWN), new Function<GraphEdge, Integer>() {
-        @Override
-        public Integer fun(GraphEdge graphEdge) {
-          return graphEdge.getDownNodeIndex();
-        }
-      }));
+      magicQueue.addAll(ContainerUtil.map(myLinearBekGraph.getAdjacentEdges(i, EdgeFilter.NORMAL_DOWN), GRAPH_EDGE_TO_DOWN_NODE));
     }
     return magicSet;
   }
@@ -326,4 +316,11 @@ class LinearBekGraphBuilder {
       return d1.compareTo(d2);
     }
   }
+
+  private static class GraphEdgeToDownNode implements Function<GraphEdge, Integer> {
+    @Override
+    public Integer fun(GraphEdge graphEdge) {
+      return graphEdge.getDownNodeIndex();
+    }
+  }
 }