| /* |
| * This file is part of the Jikes RVM project (http://jikesrvm.org). |
| * |
| * This file is licensed to You under the Eclipse Public License (EPL); |
| * You may not use this file except in compliance with the License. You |
| * may obtain a copy of the License at |
| * |
| * http://www.opensource.org/licenses/eclipse-1.0.php |
| * |
| * See the COPYRIGHT.txt file distributed with this work for information |
| * regarding copyright ownership. |
| */ |
| package org.mmtk.utility.options; |
| |
| import static org.mmtk.policy.immix.ImmixConstants.DEFAULT_DEFRAG_LINE_REUSE_RATIO; |
| |
| public class DefragLineReuseRatio extends org.vmutil.options.FloatOption { |
| /** |
| * Create the option. |
| */ |
| public DefragLineReuseRatio() { |
| super(Options.set, "Defrag Line Reuse Ratio", |
| "Blocks with this fraction marked may be reused for defrag allocation", |
| DEFAULT_DEFRAG_LINE_REUSE_RATIO); |
| } |
| |
| /** |
| * Ensure the value is valid. |
| */ |
| protected void validate() { |
| failIf((this.value <= 0 || this.value > 1.0), "Ratio must be a float between 0 and 1"); |
| } |
| } |