1 files changed, 50 insertions, 0 deletions
diff --git a/platform/util/src/com/intellij/util/io/LongInlineKeyDescriptor.java b/platform/util/src/com/intellij/util/io/LongInlineKeyDescriptor.java
new file mode 100644
index 000000000000..78f1fdd02f78
--- /dev/null
+++ b/platform/util/src/com/intellij/util/io/LongInlineKeyDescriptor.java
@@ -0,0 +1,50 @@
+/*
+ * 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.util.io;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.io.DataInput;
+import java.io.DataOutput;
+import java.io.IOException;
+
+/**
+ * @author lambdamix
+ */
+public class LongInlineKeyDescriptor implements KeyDescriptor<Long> {
+  public static LongInlineKeyDescriptor INSTANCE = new LongInlineKeyDescriptor();
+
+  @Override
+  public final int getHashCode(Long value) {
+    return value.hashCode();
+  }
+
+  @Override
+  public final boolean isEqual(Long val1, Long val2) {
+    return val1.longValue() == val2.longValue();
+  }
+
+  @Override
+  public final void save(@NotNull DataOutput out, Long value) throws IOException {
+    out.writeLong(value.longValue());
+  }
+
+  @Override
+  public final Long read(@NotNull DataInput in) throws IOException {
+    return in.readLong();
+  }
+
+}