| /* |
| * 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.segment.file.proc; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.jackrabbit.oak.plugins.memory.EmptyNodeState; |
| import org.apache.jackrabbit.oak.plugins.memory.MemoryChildNodeEntry; |
| import org.apache.jackrabbit.oak.spi.state.ChildNodeEntry; |
| import org.apache.jackrabbit.oak.spi.state.NodeState; |
| import org.jetbrains.annotations.NotNull; |
| |
| class JournalNode extends AbstractNode { |
| |
| private final Proc.Backend backend; |
| |
| JournalNode(Proc.Backend backend) { |
| this.backend = backend; |
| } |
| |
| @Override |
| public boolean hasChildNode(@NotNull String name) { |
| return backend.commitExists(name); |
| } |
| |
| @NotNull |
| @Override |
| public NodeState getChildNode(@NotNull String name) throws IllegalArgumentException { |
| if (backend.commitExists(name)) { |
| return new CommitNode(backend, name); |
| } |
| return EmptyNodeState.MISSING_NODE; |
| } |
| |
| @NotNull |
| @Override |
| public Iterable<? extends ChildNodeEntry> getChildNodeEntries() { |
| List<ChildNodeEntry> entries = new ArrayList<>(); |
| |
| for (String handle : backend.getCommitHandles()) { |
| entries.add(new MemoryChildNodeEntry(handle, new CommitNode(backend, handle))); |
| } |
| |
| return entries; |
| } |
| |
| } |