001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019package org.apache.isis.extensions.commandreplay.secondary.analyser;
020
021import org.apache.isis.extensions.commandlog.impl.jdo.CommandJdo;
022
023public interface CommandReplayAnalyser {
024
025    /**
026     *
027     * @param commandJdo
028     * @return - if not <code>null</code>, indicates the reason that there was an issue replaying the command.
029     */
030    String analyzeReplay(final CommandJdo commandJdo);
031
032}