1 files changed, 44 insertions, 0 deletions
diff --git a/src/core/Util/MemoryModel.cs b/src/core/Util/MemoryModel.cs
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+++ b/src/core/Util/MemoryModel.cs
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+/* 
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+using System;
+
+namespace Lucene.Net.Util
+{
+	
+	/// <summary> Returns primitive memory sizes for estimating RAM usage.
+	/// 
+	/// </summary>
+	public abstract class MemoryModel
+	{
+	    /// <value> size of array beyond contents </value>
+	    public abstract int ArraySize { get; }
+
+	    /// <value> Class size overhead </value>
+	    public abstract int ClassSize { get; }
+
+	    /// <param name="clazz">a primitive Class - bool, byte, char, short, long, float,
+		/// short, double, int
+		/// </param>
+		/// <returns> the size in bytes of given primitive Class
+		/// </returns>
+		public abstract int GetPrimitiveSize(System.Type clazz);
+
+	    /// <value> size of reference </value>
+	    public abstract int ReferenceSize { get; }
+	}
+}
+\ No newline at end of file