﻿// Copyright 2007-2014 Chris Patterson
// 
// Licensed 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.
namespace Taskular.Policies
{
    using System;


    public class FilterRetryExceptionFilter<T> :
        IRetryExceptionFilter
        where T : Exception
    {
        readonly Func<T, bool> _filter;

        public FilterRetryExceptionFilter(Func<T, bool> filter)
        {
            _filter = filter;
        }

        public bool CanRetry(Exception exception)
        {
            var ex = exception as T;
            if (ex != null)
                return _filter(ex);

            return true;
        }
    }
}