/*
* 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.lenya.cms.site.usecases;
import org.apache.lenya.cms.publication.Document;
import org.apache.lenya.cms.repository.Node;
import org.apache.lenya.cms.usecase.DocumentUsecase;
import org.apache.lenya.cms.usecase.UsecaseException;
import org.apache.lenya.cms.workflow.WorkflowUtil;
import org.apache.lenya.cms.workflow.usecases.UsecaseWorkflowHelper;
/**
* Rollback.
*/
public class Rollback extends DocumentUsecase {
/**
* @see org.apache.lenya.cms.usecase.AbstractUsecase#getNodesToLock()
*/
protected org.apache.lenya.cms.repository.Node[] getNodesToLock() throws UsecaseException {
org.apache.lenya.cms.repository.Node[] objects = { getSourceDocument().getRepositoryNode() };
return objects;
}
/**
* @see org.apache.lenya.cms.usecase.AbstractUsecase#doCheckPreconditions()
*/
protected void doCheckPreconditions() throws Exception {
super.doCheckPreconditions();
UsecaseWorkflowHelper.checkWorkflow(this.manager, this, getEvent(), getSourceDocument(),
getLogger());
}
/**
* @see org.apache.lenya.cms.usecase.AbstractUsecase#doExecute()
*/
protected void doExecute() throws Exception {
super.doExecute();
int revision = getParameterAsInteger("rollbackRevision", -1);
Document document = getSourceDocument();
Node node = document.getRepositoryNode();
node.rollback(revision);
WorkflowUtil.invoke(this.manager, getSession(), getLogger(), getSourceDocument(),
getEvent());
}
protected String getEvent() {
return getParameterAsString("workflowEvent");
}
}