Minor nits

simulator/src/main/java/com/github/benmanes/caffeine/cache/simulator/parser/arc/ArcTraceReader.java

@@ -50,7 +50,8 @@ public Stream<AccessEvent> events() throws IOException {
       String[] array = line.split(" ", 3);
       long startBlock = Long.parseLong(array[0]);
       int sequence = Integer.parseInt(array[1]);
-      return LongStream.range(startBlock, startBlock + sequence).mapToObj(key -> AccessEvent.forKeyAndWeight(key, 512));
+      return LongStream.range(startBlock, startBlock + sequence)
+          .mapToObj(key -> AccessEvent.forKeyAndWeight(key, 512));
     });
   }
 }

simulator/src/main/java/com/github/benmanes/caffeine/cache/simulator/parser/rewrite/OutputFormat.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2019 Ben Manes. All Rights Reserved.
+ *
+ * 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.github.benmanes.caffeine.cache.simulator.parser.rewrite;
+
+import java.io.BufferedWriter;
+import java.io.IOException;
+
+import com.github.benmanes.caffeine.cache.simulator.policy.AccessEvent;
+
+/**
+ * The trace output format.
+ *
+ * @author [email protected] (Ben Manes)
+ */
+public enum OutputFormat {
+  CLIMB {
+    @Override public void write(BufferedWriter writer, AccessEvent event) throws IOException {
+      writer.write(Long.toString(event.key()));
+      writer.newLine();
+    }
+  },
+  ADAPT_SIZE {
+    long time = 0;
+    @Override public void write(BufferedWriter writer, AccessEvent event) throws IOException {
+      writer.write(Long.toString(time++) + " ");
+      writer.write(Long.toString(event.key()) + " ");
+      writer.write(Integer.toString(event.weight()));
+      writer.newLine();
+    }
+  };
+
+  public abstract void write(BufferedWriter writer, AccessEvent event) throws IOException;
+}