| /* |
| * 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.phoenix.hbase.index.builder; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import com.google.common.collect.ListMultimap; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.Cell; |
| import org.apache.hadoop.hbase.Stoppable; |
| import org.apache.hadoop.hbase.client.Increment; |
| import org.apache.hadoop.hbase.client.Mutation; |
| import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment; |
| import org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress; |
| import org.apache.hadoop.hbase.util.Pair; |
| import org.apache.phoenix.coprocessor.BaseScannerRegionObserver; |
| import org.apache.phoenix.coprocessor.BaseScannerRegionObserver.ReplayWrite; |
| import org.apache.phoenix.hbase.index.Indexer; |
| import org.apache.phoenix.hbase.index.covered.IndexMetaData; |
| import org.apache.phoenix.hbase.index.table.HTableInterfaceReference; |
| import org.apache.phoenix.hbase.index.util.ImmutableBytesPtr; |
| import org.apache.phoenix.index.PhoenixIndexMetaData; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Manage the building of index updates from primary table updates. |
| */ |
| public class IndexBuildManager implements Stoppable { |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger(IndexBuildManager.class); |
| private final IndexBuilder delegate; |
| private boolean stopped; |
| |
| /** |
| * @param env environment in which <tt>this</tt> is running. Used to setup the |
| * {@link IndexBuilder} and executor |
| * @throws IOException if an {@link IndexBuilder} cannot be correctly steup |
| */ |
| public IndexBuildManager(RegionCoprocessorEnvironment env) throws IOException { |
| // Prevent deadlock by using single thread for all reads so that we know |
| // we can get the ReentrantRWLock. See PHOENIX-2671 for more details. |
| this.delegate = getIndexBuilder(env); |
| } |
| |
| private static IndexBuilder getIndexBuilder(RegionCoprocessorEnvironment e) throws IOException { |
| Configuration conf = e.getConfiguration(); |
| Class<? extends IndexBuilder> builderClass = |
| conf.getClass(Indexer.INDEX_BUILDER_CONF_KEY, null, IndexBuilder.class); |
| try { |
| IndexBuilder builder = builderClass.newInstance(); |
| builder.setup(e); |
| return builder; |
| } catch (InstantiationException e1) { |
| throw new IOException("Couldn't instantiate index builder:" + builderClass |
| + ", disabling indexing on table " + e.getRegion().getTableDescriptor().getTableName().getNameAsString()); |
| } catch (IllegalAccessException e1) { |
| throw new IOException("Couldn't instantiate index builder:" + builderClass |
| + ", disabling indexing on table " + e.getRegion().getTableDescriptor().getTableName().getNameAsString()); |
| } |
| } |
| |
| public IndexMetaData getIndexMetaData(MiniBatchOperationInProgress<Mutation> miniBatchOp) throws IOException { |
| return this.delegate.getIndexMetaData(miniBatchOp); |
| } |
| |
| public void getIndexUpdates(ListMultimap<HTableInterfaceReference, Pair<Mutation, byte[]>> indexUpdates, |
| MiniBatchOperationInProgress<Mutation> miniBatchOp, |
| Collection<? extends Mutation> mutations, |
| IndexMetaData indexMetaData) throws Throwable { |
| // notify the delegate that we have started processing a batch |
| this.delegate.batchStarted(miniBatchOp, indexMetaData); |
| |
| // Avoid the Object overhead of the executor when it's not actually parallelizing anything. |
| for (Mutation m : mutations) { |
| Collection<Pair<Mutation, byte[]>> updates = delegate.getIndexUpdate(m, indexMetaData); |
| for (Pair<Mutation, byte[]> update : updates) { |
| indexUpdates.put(new HTableInterfaceReference(new ImmutableBytesPtr(update.getSecond())), new Pair<>(update.getFirst(), m.getRow())); |
| } |
| } |
| } |
| |
| public Collection<Pair<Mutation, byte[]>> getIndexUpdate( |
| MiniBatchOperationInProgress<Mutation> miniBatchOp, |
| Collection<? extends Mutation> mutations) throws Throwable { |
| // notify the delegate that we have started processing a batch |
| final IndexMetaData indexMetaData = this.delegate.getIndexMetaData(miniBatchOp); |
| this.delegate.batchStarted(miniBatchOp, indexMetaData); |
| |
| // Avoid the Object overhead of the executor when it's not actually parallelizing anything. |
| ArrayList<Pair<Mutation, byte[]>> results = new ArrayList<>(mutations.size()); |
| for (Mutation m : mutations) { |
| Collection<Pair<Mutation, byte[]>> updates = delegate.getIndexUpdate(m, indexMetaData); |
| if (PhoenixIndexMetaData.isIndexRebuild(m.getAttributesMap())) { |
| for (Pair<Mutation, byte[]> update : updates) { |
| update.getFirst().setAttribute(BaseScannerRegionObserver.REPLAY_WRITES, |
| BaseScannerRegionObserver.REPLAY_INDEX_REBUILD_WRITES); |
| } |
| } |
| results.addAll(updates); |
| } |
| return results; |
| } |
| |
| public Collection<Pair<Mutation, byte[]>> getIndexUpdateForFilteredRows( |
| Collection<Cell> filtered, IndexMetaData indexMetaData) throws IOException { |
| // this is run async, so we can take our time here |
| return delegate.getIndexUpdateForFilteredRows(filtered, indexMetaData); |
| } |
| |
| public void batchCompleted(MiniBatchOperationInProgress<Mutation> miniBatchOp) { |
| delegate.batchCompleted(miniBatchOp); |
| } |
| |
| public void batchStarted(MiniBatchOperationInProgress<Mutation> miniBatchOp, IndexMetaData indexMetaData) |
| throws IOException { |
| delegate.batchStarted(miniBatchOp, indexMetaData); |
| } |
| |
| public boolean isEnabled(Mutation m) { |
| return delegate.isEnabled(m); |
| } |
| |
| public boolean isAtomicOp(Mutation m) { |
| return delegate.isAtomicOp(m); |
| } |
| |
| public List<Mutation> executeAtomicOp(Increment inc) throws IOException { |
| return delegate.executeAtomicOp(inc); |
| } |
| |
| @Override |
| public void stop(String why) { |
| if (stopped) { |
| return; |
| } |
| this.stopped = true; |
| this.delegate.stop(why); |
| } |
| |
| @Override |
| public boolean isStopped() { |
| return this.stopped; |
| } |
| |
| public IndexBuilder getBuilderForTesting() { |
| return this.delegate; |
| } |
| |
| public ReplayWrite getReplayWrite(Mutation m) throws IOException { |
| return this.delegate.getReplayWrite(m); |
| } |
| } |