| /* |
| * 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.BPlusIO; |
| import org.apache.ignite.internal.processors.cache.persistence.tree.io.PageIO; |
| import org.apache.ignite.internal.util.tostring.GridToStringExclude; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| |
| /** |
| * Split existing page. |
| */ |
| public class SplitExistingPageRecord extends PageDeltaRecord { |
| /** */ |
| private int mid; |
| |
| /** */ |
| @GridToStringExclude |
| private long fwdId; |
| |
| /** |
| * @param grpId Cache group ID. |
| * @param pageId Page ID. |
| * @param mid Bisection index. |
| * @param fwdId New forward page ID. |
| */ |
| public SplitExistingPageRecord(int grpId, long pageId, int mid, long fwdId) { |
| super(grpId, pageId); |
| |
| this.mid = mid; |
| this.fwdId = fwdId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void applyDelta(PageMemory pageMem, long pageAddr) throws IgniteCheckedException { |
| BPlusIO<?> io = PageIO.getBPlusIO(pageAddr); |
| |
| io.splitExistingPage(pageAddr, mid, fwdId); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public RecordType type() { |
| return RecordType.BTREE_EXISTING_PAGE_SPLIT; |
| } |
| |
| /** */ |
| public int middleIndex() { |
| return mid; |
| } |
| |
| /** */ |
| public long forwardId() { |
| return fwdId; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(SplitExistingPageRecord.class, this, "fwId", U.hexLong(fwdId), "super", super.toString()); |
| } |
| } |