# ConcurrentUoWFileModificationException.java

    /*
     * Copyright 2011 Paul Merlin.
     *
     * 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.
     */
    package org.qi4j.library.uowfile.internal;

    import java.util.Collections;
    import org.qi4j.api.entity.EntityComposite;
    import org.qi4j.api.unitofwork.ConcurrentEntityModificationException;

    public class ConcurrentUoWFileModificationException
        extends ConcurrentEntityModificationException
    {
        private final Iterable<UoWFile> concurrentlyModifiedFiles;

        ConcurrentUoWFileModificationException( Iterable<UoWFile> concurrentlyModifiedFiles )
        {
            super( Collections.<EntityComposite>emptyList() );
            this.concurrentlyModifiedFiles = concurrentlyModifiedFiles;
        }

        public Iterable<UoWFile> concurrentlyModifiedUoWFiles()
        {
            return concurrentlyModifiedFiles;
        }

        @Override
        public String getMessage()
        {
            return "Files changed concurently: " + concurrentlyModifiedFiles;
        }
    }