From fcb7d2de67b7aa63ce57d12d37e409937a6e1964 Mon Sep 17 00:00:00 2001
From: Eugene Zhuravlev <jeka@intellij.com>
Date: Wed, 14 Nov 2012 23:55:15 +0100
Subject: [PATCH] file hashing startegy

---
 .../src/org/jetbrains/jps/incremental/java/JavaBuilder.java  | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/jps/jps-builders/src/org/jetbrains/jps/incremental/java/JavaBuilder.java b/jps/jps-builders/src/org/jetbrains/jps/incremental/java/JavaBuilder.java
index 083d867ee1eb..a566451157e9 100644
--- a/jps/jps-builders/src/org/jetbrains/jps/incremental/java/JavaBuilder.java
+++ b/jps/jps-builders/src/org/jetbrains/jps/incremental/java/JavaBuilder.java
@@ -17,6 +17,7 @@ import com.intellij.uiDesigner.lw.CompiledClassPropertiesProvider;
 import com.intellij.uiDesigner.lw.LwRootContainer;
 import com.intellij.util.SystemProperties;
 import com.intellij.util.concurrency.SequentialTaskExecutor;
+import gnu.trove.THashMap;
 import gnu.trove.THashSet;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
@@ -917,13 +918,13 @@ public class JavaBuilder extends ModuleLevelBuilder {
   }
 
   private static Map<File, Set<File>> buildOutputDirectoriesMap(CompileContext context, ModuleChunk chunk) {
-    final Map<File, Set<File>> map = new LinkedHashMap<File, Set<File>>();
+    final Map<File, Set<File>> map = new THashMap<File, Set<File>>(FileUtil.FILE_HASHING_STRATEGY);
     for (ModuleBuildTarget target : chunk.getTargets()) {
       final File outputDir = target.getOutputDir();
       if (outputDir == null) {
         continue;
       }
-      final Set<File> roots = new LinkedHashSet<File>();
+      final Set<File> roots = new THashSet<File>(FileUtil.FILE_HASHING_STRATEGY);
       for (JavaSourceRootDescriptor descriptor : context.getProjectDescriptor().getBuildRootIndex().getTargetRoots(target, context)) {
         roots.add(descriptor.root);
       }