* See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.util.concurrent;

import static com.google.common.base.Functions.constant;
import static com.google.common.base.Functions.identity;
import static com.google.common.base.Throwables.propagateIfInstanceOf;
import static com.google.common.collect.Iterables.getOnlyElement;

      for (int i = 0; i < length; i++) {
        int cp = sampler.nextCodePoint();
        builder.appendCodePoint(cp);
      }
      return builder.toString();
    }
    // Use a shuffled index array to ensure constant percentage of matching
    // characters
    List<Integer> list = Lists.newArrayList();
    for (int i = 0; i < length; i++) {
      list.add(i);
    }
    Collections.shuffle(list, rand);
    if (forceSlow) {

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.util.concurrent;

import static com.google.common.base.Functions.constant;
import static com.google.common.base.Functions.identity;
import static com.google.common.base.Throwables.propagateIfInstanceOf;
import static com.google.common.collect.Iterables.getOnlyElement;

    /**
     * Returns true if a new value is currently loading, regardless of whether there is an existing
     * value. It is assumed that the return value of this method is constant for any given
     * ValueReference instance.
     */
    boolean isLoading();

    /**
     * Returns true if this reference contains an active value, meaning one that is still considered

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.util.concurrent;

import static com.google.common.base.Functions.constant;
import static com.google.common.base.MoreObjects.toStringHelper;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;

    /**
     * Returns true if a new value is currently loading, regardless of whether there is an existing
     * value. It is assumed that the return value of this method is constant for any given
     * ValueReference instance.
     */
    boolean isLoading();

    /**
     * Returns true if this reference contains an active value, meaning one that is still considered

      for (int i = 0; i < length; i++) {
        int cp = sampler.nextCodePoint();
        builder.appendCodePoint(cp);
      }
      return builder.toString();
    }
    // Use a shuffled index array to ensure constant percentage of matching
    // characters
    List<Integer> list = Lists.newArrayList();
    for (int i = 0; i < length; i++) {
      list.add(i);
    }
    Collections.shuffle(list, rand);
    if (forceSlow) {