| /* |
| * 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.commandline.indexreader; |
| |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.apache.ignite.internal.util.collection.BitSetIntSet; |
| import org.apache.ignite.internal.util.collection.IntSet; |
| import org.jetbrains.annotations.NotNull; |
| |
| import static org.apache.ignite.internal.pagemem.PageIdUtils.itemId; |
| import static org.apache.ignite.internal.pagemem.PageIdUtils.pageId; |
| import static org.apache.ignite.internal.pagemem.PageIdUtils.pageIndex; |
| import static org.apache.ignite.internal.pagemem.PageIdUtils.partId; |
| |
| /** |
| * Stores links to data pages. |
| */ |
| class LinkStorage implements ItemStorage<CacheAwareLink> { |
| /** Map cacheId -> (map partId -> (map item -> set of page indexes))*/ |
| private final Map<Integer, Map<Integer, Map<Byte, IntSet>>> store = new HashMap<>(); |
| |
| /** */ |
| private long size; |
| |
| /** {@inheritDoc} */ |
| @Override public void add(CacheAwareLink cacheAwareLink) { |
| long link = cacheAwareLink.link; |
| |
| long pageId = pageId(link); |
| |
| store.computeIfAbsent(cacheAwareLink.cacheId, k -> new HashMap<>()) |
| .computeIfAbsent(partId(pageId), k -> new HashMap<>()) |
| .computeIfAbsent((byte)itemId(link), k -> new BitSetIntSet()) |
| .add(pageIndex(pageId)); |
| |
| size++; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean contains(CacheAwareLink cacheAwareLink) { |
| long link = cacheAwareLink.link; |
| |
| long pageId = pageId(link); |
| |
| Map<Integer, Map<Byte, IntSet>> map = store.get(cacheAwareLink.cacheId); |
| |
| if (map != null) { |
| Map<Byte, IntSet> innerMap = map.get(partId(pageId)); |
| |
| if (innerMap != null) { |
| IntSet set = innerMap.get((byte)itemId(link)); |
| |
| if (set != null) |
| return set.contains(pageIndex(pageId)); |
| } |
| } |
| |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public long size() { |
| return size; |
| } |
| |
| /** {@inheritDoc} */ |
| @NotNull |
| @Override public Iterator<CacheAwareLink> iterator() { |
| throw new UnsupportedOperationException("Item iteration is not supported by link storage."); |
| } |
| } |