| /* |
| * 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.ignite.internal.pagemem.wal.record.delta; |
| |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.pagemem.PageMemory; |
| import org.apache.ignite.internal.processors.cache.persistence.tree.io.BPlusInnerIO; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| |
| /** |
| * Initialize new root page. |
| */ |
| public class NewRootInitRecord<L> extends PageDeltaRecord { |
| /** */ |
| private long newRootId; |
| |
| /** */ |
| private BPlusInnerIO<L> io; |
| |
| /** */ |
| private long leftChildId; |
| |
| /** */ |
| private byte[] rowBytes; |
| |
| /** */ |
| private long rightChildId; |
| |
| /** |
| * @param grpId Cache group ID. |
| * @param pageId Page ID. |
| * @param io IO. |
| * @param leftChildId Left child ID. |
| * @param rowBytes Row. |
| * @param rightChildId Right child ID. |
| */ |
| public NewRootInitRecord( |
| int grpId, |
| long pageId, |
| long newRootId, |
| BPlusInnerIO<L> io, |
| long leftChildId, |
| byte[] rowBytes, |
| long rightChildId |
| ) { |
| super(grpId, pageId); |
| |
| assert io != null; |
| |
| this.newRootId = newRootId; |
| this.io = io; |
| this.leftChildId = leftChildId; |
| this.rowBytes = rowBytes; |
| this.rightChildId = rightChildId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void applyDelta(PageMemory pageMem, long pageAddr) throws IgniteCheckedException { |
| io.initNewRoot(pageAddr, newRootId, leftChildId, null, rowBytes, rightChildId, pageMem.realPageSize(groupId()), |
| false); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public RecordType type() { |
| return RecordType.BTREE_INIT_NEW_ROOT; |
| } |
| |
| /** |
| * @return IO. |
| */ |
| public BPlusInnerIO<L> io() { |
| return io; |
| } |
| |
| /** |
| * @return Root page ID. |
| */ |
| public long rootId() { |
| return newRootId; |
| } |
| |
| /** |
| * @return Left child ID. |
| */ |
| public long leftId() { |
| return leftChildId; |
| } |
| |
| /** |
| * @return Right child ID. |
| */ |
| public long rightId() { |
| return rightChildId; |
| } |
| |
| /** |
| * @return Row bytes. |
| */ |
| public byte[] rowBytes() { |
| return rowBytes; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(NewRootInitRecord.class, this, "super", super.toString()); |
| } |
| } |