/* * 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.isis.core.metamodel.adapter.version; import org.apache.isis.core.commons.exceptions.IsisException; import org.apache.isis.core.metamodel.adapter.oid.Oid; import org.apache.isis.core.metamodel.adapter.oid.OidMarshaller; public class ConcurrencyException extends IsisException { private static final long serialVersionUID = 1L; private static String buildMessage(String currentUser, Oid oid, Version staleVersion, Version datastoreVersion) { final StringBuilder buf = new StringBuilder(); buf.append(currentUser != null? currentUser + " " : ""); buf.append(" attempted to update ").append(oid.enStringNoVersion()); buf.append(", however this object has since been modified"); if(datastoreVersion.getUser() != null) { buf.append(" by ").append(datastoreVersion.getUser()); } if(datastoreVersion.getTime() != null) { buf.append(" at ").append(datastoreVersion.getTime()); } buf.append(" [").append(staleVersion.getSequence()).append(" vs ").append(datastoreVersion.getSequence()).append("]"); return buf.toString(); } private final Oid oid; public ConcurrencyException(final String currentUser, final Oid oid, final Version staleVersion, final Version datastoreVersion) { this(buildMessage(currentUser, oid, staleVersion, datastoreVersion), oid); } public ConcurrencyException(final String message, final Oid oid) { super(message); this.oid = oid; } public Oid getOid() { return oid; } }