vmkit/mmtk/java/src/org/mmtk/utility/options/BoundedNursery.java

/*
 *  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 upper bound on nursery size. This option is not intended to
 * be created directly, but via NurserySize.
 */
public final class BoundedNursery extends org.vmutil.options.PagesOption {
  /**
   * Create the option.
   */
  public BoundedNursery() {
    super(Options.set, "Bounded Nursery",
        "Bound the maximum size of the nursery to this value",
        Plan.DEFAULT_MAX_NURSERY);
  }

  /**
   * Nursery can not be empty.
   */
  protected void validate() {
    failIf(value <= 0, "Can not have an empty nursery");
  }
}