| /* |
| * 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.processors.query.h2; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.IdentityHashMap; |
| import java.util.Map; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.processors.cache.persistence.CacheDataRow; |
| import org.apache.ignite.internal.processors.query.h2.opt.GridH2IndexBase; |
| import org.apache.ignite.internal.processors.query.h2.opt.GridH2Table; |
| import org.apache.ignite.internal.processors.query.h2.opt.H2CacheRow; |
| import org.apache.ignite.internal.processors.query.schema.SchemaIndexCacheVisitorClosure; |
| |
| /** |
| * Closure to rebuild some cache indexes. |
| */ |
| public class IndexRebuildPartialClosure implements SchemaIndexCacheVisitorClosure { |
| /** Indexes. */ |
| private final Map<GridH2Table, Collection<GridH2IndexBase>> tblIdxs = new IdentityHashMap<>(); |
| |
| /** {@inheritDoc} */ |
| @Override public void apply(CacheDataRow row) throws IgniteCheckedException { |
| assert hasIndexes(); |
| |
| for (Map.Entry<GridH2Table, Collection<GridH2IndexBase>> tblIdxEntry : tblIdxs.entrySet()) { |
| GridH2Table tbl = tblIdxEntry.getKey(); |
| |
| H2CacheRow row0 = tbl.rowDescriptor().createRow(row); |
| |
| for (GridH2IndexBase idx : tblIdxEntry.getValue()) |
| idx.putx(row0); |
| } |
| } |
| |
| /** |
| * @param idx Index to be rebuilt. |
| */ |
| public void addIndex(GridH2Table tbl, GridH2IndexBase idx) { |
| Collection<GridH2IndexBase> idxs = tblIdxs.get(tbl); |
| |
| if (idxs == null) { |
| idxs = Collections.newSetFromMap(new IdentityHashMap<>()); |
| |
| idxs.add(idx); |
| |
| tblIdxs.put(tbl, idxs); |
| } |
| |
| idxs.add(idx); |
| } |
| |
| /** |
| * @return {@code True} if there is at least one index to rebuild. |
| */ |
| public boolean hasIndexes() { |
| return !tblIdxs.isEmpty(); |
| } |
| } |