001    /*
002     * Created on Mar 25, 2009
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
005     * in compliance with the License. You may obtain a copy of the License at
006     *
007     * http://www.apache.org/licenses/LICENSE-2.0
008     *
009     * Unless required by applicable law or agreed to in writing, software distributed under the License
010     * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
011     * or implied. See the License for the specific language governing permissions and limitations under
012     * the License.
013     *
014     * Copyright @2009-2011 the original author or authors.
015     */
016    package org.fest.assertions;
017    
018    /**
019     * A threshold.
020     *
021     * @author Alex Ruiz
022     * @since 1.1
023     */
024    public final class Threshold {
025    
026      /**
027       * Creates a new <code>{@link Threshold}</code>.
028       * @param value the value of the threshold.
029       * @return the created instance.
030       * @throws IllegalArgumentException if the given value is less than zero.
031       */
032      public static Threshold threshold(int value) {
033        if (value < 0) throw new IllegalArgumentException("The value of the threshold should not be negative");
034        return new Threshold(value);
035      }
036    
037      private final int value;
038    
039      private Threshold(int value) {
040        this.value = value;
041      }
042    
043      public int value() { return value; }
044    }