/* * 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.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(); } } }