/*
* 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;
}
}