/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *   http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 package org.apache.myfaces.view.facelets.component;

 import java.io.Serializable;

 /**

  * This class is used as the bean that contains all the status

  * information of UIRepeat during iteration. It is stored in the 

  * RequestScope under the key specified in varStatus of UIRepeat.

  * 

  * @author Curtiss Howard (latest modification by $Author$)

  * @version $Revision$ $Date$

  */

 public final class RepeatStatus implements Serializable

 {

     private static final long serialVersionUID = 1L;

     private final int count;

     private final int index;

     private final boolean first;

     private final boolean last;

     private final Integer begin;

     private final Integer end;

     private final Integer step;

     public RepeatStatus(boolean first, boolean last, int count, int index, 

             Integer begin, Integer end, Integer step)

     {

         this.count = count;

         this.index = index;

         this.begin = begin;

         this.end = end;

         this.step = step;

         this.first = first;

         this.last = last;

     }

     public boolean isFirst()

     {

         return first;

     }

     public boolean isLast()

     {

         return last;

     }

     public boolean isEven ()

     {

         return ((count % 2) == 0);

     }

     public boolean isOdd ()

     {

         return !isEven();

     }

     public Integer getBegin()

     {

         if (begin == -1)

         {

             return null;

         }

         return begin;

     }

     public Integer getEnd()

     {

         if (end == -1)

         {

             return null;

         }

         return end;

     }

     public int getIndex()

     {

         return index;

     }

     public Integer getStep()

     {

         if (step == -1)

         {

             return null;

         }

         return step;

     }

 }