2 files changed, 75 insertions, 9 deletions
diff --git a/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/LogDataImpl.java b/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/LogDataImpl.java
new file mode 100644
index 000000000000..82eb4e1a6336
--- /dev/null
+++ b/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/LogDataImpl.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2000-2014 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.vcs.log.impl;
+
+import com.intellij.vcs.log.VcsCommitMetadata;
+import com.intellij.vcs.log.VcsLogProvider;
+import com.intellij.vcs.log.VcsRef;
+import com.intellij.vcs.log.VcsUser;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+
+public class LogDataImpl implements VcsLogProvider.DetailedLogData, VcsLogProvider.LogData {
+
+  private static final LogDataImpl EMPTY = new LogDataImpl(Collections.<VcsRef>emptySet(),
+                                                           Collections.<VcsUser>emptySet(),
+                                                           Collections.<VcsCommitMetadata>emptyList());
+
+  @NotNull private final List<VcsCommitMetadata> myCommits;
+  @NotNull private final Set<VcsRef> myRefs;
+  @NotNull private final Set<VcsUser> myUsers;
+
+  @NotNull
+  public static LogDataImpl empty() {
+    return EMPTY;
+  }
+
+  public LogDataImpl(@NotNull Set<VcsRef> refs, @NotNull Set<VcsUser> users) {
+    this(refs, users, Collections.<VcsCommitMetadata>emptyList());
+  }
+
+  public LogDataImpl(@NotNull Set<VcsRef> refs, @NotNull List<VcsCommitMetadata> metadatas) {
+    this(refs, Collections.<VcsUser>emptySet(), metadatas);
+  }
+
+  private LogDataImpl(@NotNull Set<VcsRef> refs, @NotNull Set<VcsUser> users, @NotNull List<VcsCommitMetadata> commits) {
+    myRefs = refs;
+    myUsers = users;
+    myCommits = commits;
+  }
+
+  @NotNull
+  @Override
+  public List<VcsCommitMetadata> getCommits() {
+    return myCommits;
+  }
+
+  @Override
+  @NotNull
+  public Set<VcsRef> getRefs() {
+    return myRefs;
+  }
+
+  @NotNull
+  @Override
+  public Set<VcsUser> getUsers() {
+    return myUsers;
+  }
+}
diff --git a/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/RequirementsImpl.java b/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/RequirementsImpl.java
index f742e277283f..9a1e54ed3886 100644
--- a/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/RequirementsImpl.java
+++ b/platform/vcs-log/impl/src/com/intellij/vcs/log/impl/RequirementsImpl.java
@@ -26,13 +26,11 @@ public class RequirementsImpl implements VcsLogProviderRequirementsEx {
   private final int myCommitCount;
   private final boolean myRefresh;
   @NotNull private final Set<VcsRef> myPreviousRefs;
-  @NotNull private final Set<VcsRef> myCurrentRefs;
 
-  public RequirementsImpl(int count, boolean refresh, @NotNull Set<VcsRef> previousRefs, @NotNull Set<VcsRef> currentRefs) {
+  public RequirementsImpl(int count, boolean refresh, @NotNull Set<VcsRef> previousRefs) {
     myCommitCount = count;
     myRefresh = refresh;
     myPreviousRefs = previousRefs;
-    myCurrentRefs = currentRefs;
   }
 
   @Override
@@ -50,10 +48,4 @@ public class RequirementsImpl implements VcsLogProviderRequirementsEx {
   public Set<VcsRef> getPreviousRefs() {
     return myPreviousRefs;
   }
-
-  @NotNull
-  @Override
-  public Set<VcsRef> getCurrentRefs() {
-    return myCurrentRefs;
-  }
 }