| /* |
| * 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 org.mmtk.plan.Plan; |
| |
| /** |
| * Provide an lower and upper bound on nursery size. |
| * |
| * This option is not intended to be created directly, but via NurserySize. |
| */ |
| public final class FixedNursery extends org.vmutil.options.PagesOption { |
| // values |
| BoundedNursery boundedNursery; |
| |
| /** |
| * Create the option |
| */ |
| public FixedNursery(BoundedNursery boundedNursery) { |
| super(Options.set, "Fixed Nursery", |
| "Fix the minimum and maximum size of the nursery to this value", |
| Plan.DEFAULT_MIN_NURSERY); |
| this.boundedNursery = boundedNursery; |
| } |
| |
| /** |
| * Nursery can not be empty. |
| */ |
| protected void validate() { |
| failIf(value <= 0, "Can not have an empty nursery"); |
| // Update upper bound. |
| boundedNursery.setBytes(this.getBytes()); |
| } |
| } |