| /* |
| * 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.jackrabbit.oak.jcr.lock; |
| |
| import javax.jcr.PathNotFoundException; |
| import javax.jcr.RepositoryException; |
| |
| import org.apache.jackrabbit.oak.jcr.session.SessionContext; |
| import org.apache.jackrabbit.oak.jcr.delegate.NodeDelegate; |
| import org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate; |
| import org.apache.jackrabbit.oak.jcr.session.operation.SessionOperation; |
| |
| /** |
| * Abstract base class for locking operations. |
| * |
| * @param <T> return type of the {@link #perform()} method |
| */ |
| public abstract class LockOperation<T> extends SessionOperation<T> { |
| |
| protected final SessionDelegate session; |
| |
| private final NodeDelegate node; |
| |
| private final String path; |
| |
| public LockOperation(SessionDelegate session, NodeDelegate node) |
| throws PathNotFoundException { |
| this.session = session; |
| this.path = null; |
| this.node = node; |
| } |
| |
| public LockOperation(SessionContext context, String absPath) |
| throws PathNotFoundException { |
| this.session = context.getSessionDelegate(); |
| this.path = context.getOakPathOrThrowNotFound(absPath); |
| this.node = null; |
| } |
| |
| @Override |
| public boolean isRefresh() { |
| return true; |
| } |
| |
| @Override |
| public T perform() throws RepositoryException { |
| session.refresh(true); |
| if (node != null) { |
| return perform(node); |
| } else { |
| NodeDelegate node = session.getNode(path); |
| if (node != null) { |
| return perform(node); |
| } else { |
| throw new PathNotFoundException( |
| "Node " + path + " not found"); |
| } |
| } |
| } |
| |
| protected abstract T perform(NodeDelegate node) |
| throws RepositoryException; |
| |
| } |