| /* |
| * 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.cassandra.index.internal; |
| |
| import java.util.Set; |
| import java.util.UUID; |
| |
| import org.apache.cassandra.db.ColumnFamilyStore; |
| import org.apache.cassandra.db.DecoratedKey; |
| import org.apache.cassandra.db.Keyspace; |
| import org.apache.cassandra.db.compaction.CompactionInfo; |
| import org.apache.cassandra.db.compaction.CompactionInterruptedException; |
| import org.apache.cassandra.db.compaction.OperationType; |
| import org.apache.cassandra.index.Index; |
| import org.apache.cassandra.index.SecondaryIndexBuilder; |
| import org.apache.cassandra.io.sstable.ReducingKeyIterator; |
| import org.apache.cassandra.utils.UUIDGen; |
| |
| /** |
| * Manages building an entire index from column family data. Runs on to compaction manager. |
| */ |
| public class CollatedViewIndexBuilder extends SecondaryIndexBuilder |
| { |
| private final ColumnFamilyStore cfs; |
| private final Set<Index> indexers; |
| private final ReducingKeyIterator iter; |
| private final UUID compactionId; |
| |
| public CollatedViewIndexBuilder(ColumnFamilyStore cfs, Set<Index> indexers, ReducingKeyIterator iter) |
| { |
| this.cfs = cfs; |
| this.indexers = indexers; |
| this.iter = iter; |
| this.compactionId = UUIDGen.getTimeUUID(); |
| } |
| |
| public CompactionInfo getCompactionInfo() |
| { |
| return new CompactionInfo(cfs.metadata, |
| OperationType.INDEX_BUILD, |
| iter.getBytesRead(), |
| iter.getTotalBytes(), |
| compactionId); |
| } |
| |
| public void build() |
| { |
| try |
| { |
| int pageSize = cfs.indexManager.calculateIndexingPageSize(); |
| while (iter.hasNext()) |
| { |
| if (isStopRequested()) |
| throw new CompactionInterruptedException(getCompactionInfo()); |
| DecoratedKey key = iter.next(); |
| cfs.indexManager.indexPartition(key, indexers, pageSize); |
| } |
| } |
| finally |
| { |
| iter.close(); |
| } |
| } |
| } |