| /* |
| * 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.storage.pagememory.index.sorted; |
| |
| import static org.apache.ignite.internal.pagememory.util.PageIdUtils.NULL_LINK; |
| |
| import org.apache.ignite.internal.lang.IgniteInternalCheckedException; |
| import org.apache.ignite.internal.pagememory.freelist.FreeListImpl; |
| import org.apache.ignite.internal.pagememory.tree.BplusTree; |
| import org.apache.ignite.internal.pagememory.tree.IgniteTree.InvokeClosure; |
| import org.apache.ignite.internal.pagememory.tree.IgniteTree.OperationType; |
| import org.apache.ignite.internal.storage.pagememory.index.freelist.IndexColumns; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Insert closure that removes corresponding {@link IndexColumns} from a {@link FreeListImpl} after removing it from the {@link |
| * SortedIndexTree}. |
| */ |
| class RemoveSortedIndexRowInvokeClosure implements InvokeClosure<SortedIndexRow> { |
| /** Sorted index row instance for removal. */ |
| private final SortedIndexRow sortedIndexRow; |
| |
| /** Free list to insert data into in case of necessity. */ |
| private final FreeListImpl freeList; |
| |
| /** Operation type, either {@link OperationType#REMOVE} or {@link OperationType#NOOP} if row is missing. */ |
| private OperationType operationType = OperationType.REMOVE; |
| |
| /** |
| * Constructor. |
| * |
| * @param sortedIndexRow Sorted index row instance for removal. |
| * @param freeList Free list to insert data into in case of necessity. |
| */ |
| public RemoveSortedIndexRowInvokeClosure(SortedIndexRow sortedIndexRow, FreeListImpl freeList) { |
| assert sortedIndexRow.indexColumns().link() == 0L; |
| |
| this.sortedIndexRow = sortedIndexRow; |
| this.freeList = freeList; |
| } |
| |
| @Override |
| public void call(@Nullable SortedIndexRow oldRow) { |
| if (oldRow == null) { |
| operationType = OperationType.NOOP; |
| } else { |
| sortedIndexRow.indexColumns().link(oldRow.indexColumns().link()); |
| } |
| } |
| |
| @Override |
| public @Nullable SortedIndexRow newRow() { |
| return null; |
| } |
| |
| @Override |
| public OperationType operationType() { |
| return operationType; |
| } |
| |
| /** |
| * Method to call after {@link BplusTree#invoke(Object, Object, InvokeClosure)} has completed. |
| * |
| * @throws IgniteInternalCheckedException If failed to remove data from the free list. |
| */ |
| public void afterCompletion() throws IgniteInternalCheckedException { |
| IndexColumns indexColumns = sortedIndexRow.indexColumns(); |
| |
| if (indexColumns.link() != NULL_LINK) { |
| assert operationType == OperationType.REMOVE; |
| |
| freeList.removeDataRowByLink(indexColumns.link()); |
| |
| indexColumns.link(NULL_LINK); |
| } |
| } |
| } |