| /* |
| * 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.io.sstable.format; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.Iterator; |
| |
| import org.apache.cassandra.config.CFMetaData; |
| import org.apache.cassandra.config.ColumnDefinition; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.db.Clustering; |
| import org.apache.cassandra.db.DecoratedKey; |
| import org.apache.cassandra.db.DeletionTime; |
| import org.apache.cassandra.db.SerializationHeader; |
| import org.apache.cassandra.db.compaction.OperationType; |
| import org.apache.cassandra.db.lifecycle.LifecycleTransaction; |
| import org.apache.cassandra.db.marshal.Int32Type; |
| import org.apache.cassandra.db.marshal.LongType; |
| import org.apache.cassandra.db.marshal.UTF8Type; |
| import org.apache.cassandra.db.rows.*; |
| import org.apache.cassandra.io.FSReadError; |
| import org.apache.cassandra.io.FSWriteError; |
| import org.apache.cassandra.io.sstable.Descriptor; |
| import org.apache.cassandra.io.sstable.format.big.BigTableWriter; |
| import org.apache.cassandra.io.sstable.metadata.MetadataCollector; |
| import org.apache.cassandra.io.util.FileDataInput; |
| import org.apache.cassandra.io.util.FileUtils; |
| import org.apache.cassandra.utils.ByteBufferUtil; |
| import org.apache.cassandra.utils.Pair; |
| |
| import com.google.common.collect.ArrayListMultimap; |
| import com.google.common.collect.Multimap; |
| |
| import junit.framework.Assert; |
| |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| public class SSTableFlushObserverTest |
| { |
| @BeforeClass |
| public static void initDD() |
| { |
| DatabaseDescriptor.daemonInitialization(); |
| } |
| |
| private static final String KS_NAME = "test"; |
| private static final String CF_NAME = "flush_observer"; |
| |
| @Test |
| public void testFlushObserver() |
| { |
| CFMetaData cfm = CFMetaData.Builder.create(KS_NAME, CF_NAME) |
| .addPartitionKey("id", UTF8Type.instance) |
| .addRegularColumn("first_name", UTF8Type.instance) |
| .addRegularColumn("age", Int32Type.instance) |
| .addRegularColumn("height", LongType.instance) |
| .build(); |
| |
| LifecycleTransaction transaction = LifecycleTransaction.offline(OperationType.COMPACTION); |
| FlushObserver observer = new FlushObserver(); |
| |
| String sstableDirectory = DatabaseDescriptor.getAllDataFileLocations()[0]; |
| File directory = new File(sstableDirectory + File.pathSeparator + KS_NAME + File.pathSeparator + CF_NAME); |
| directory.deleteOnExit(); |
| |
| if (!directory.exists() && !directory.mkdirs()) |
| throw new FSWriteError(new IOException("failed to create tmp directory"), directory.getAbsolutePath()); |
| |
| SSTableFormat.Type sstableFormat = SSTableFormat.Type.current(); |
| |
| BigTableWriter writer = new BigTableWriter(new Descriptor(sstableFormat.info.getLatestVersion().version, |
| directory, |
| KS_NAME, CF_NAME, |
| 0, |
| sstableFormat), |
| 10L, 0L, cfm, |
| new MetadataCollector(cfm.comparator).sstableLevel(0), |
| new SerializationHeader(true, cfm, cfm.partitionColumns(), EncodingStats.NO_STATS), |
| Collections.singletonList(observer), |
| transaction); |
| |
| SSTableReader reader = null; |
| Multimap<ByteBuffer, Cell> expected = ArrayListMultimap.create(); |
| |
| try |
| { |
| final long now = System.currentTimeMillis(); |
| |
| ByteBuffer key = UTF8Type.instance.fromString("key1"); |
| expected.putAll(key, Arrays.asList(BufferCell.live(getColumn(cfm, "age"), now, Int32Type.instance.decompose(27)), |
| BufferCell.live(getColumn(cfm, "first_name"), now,UTF8Type.instance.fromString("jack")), |
| BufferCell.live(getColumn(cfm, "height"), now, LongType.instance.decompose(183L)))); |
| |
| writer.append(new RowIterator(cfm, key.duplicate(), Collections.singletonList(buildRow(expected.get(key))))); |
| |
| key = UTF8Type.instance.fromString("key2"); |
| expected.putAll(key, Arrays.asList(BufferCell.live(getColumn(cfm, "age"), now, Int32Type.instance.decompose(30)), |
| BufferCell.live(getColumn(cfm, "first_name"), now,UTF8Type.instance.fromString("jim")), |
| BufferCell.live(getColumn(cfm, "height"), now, LongType.instance.decompose(180L)))); |
| |
| writer.append(new RowIterator(cfm, key, Collections.singletonList(buildRow(expected.get(key))))); |
| |
| key = UTF8Type.instance.fromString("key3"); |
| expected.putAll(key, Arrays.asList(BufferCell.live(getColumn(cfm, "age"), now, Int32Type.instance.decompose(30)), |
| BufferCell.live(getColumn(cfm, "first_name"), now,UTF8Type.instance.fromString("ken")), |
| BufferCell.live(getColumn(cfm, "height"), now, LongType.instance.decompose(178L)))); |
| |
| writer.append(new RowIterator(cfm, key, Collections.singletonList(buildRow(expected.get(key))))); |
| |
| reader = writer.finish(true); |
| } |
| finally |
| { |
| FileUtils.closeQuietly(writer); |
| } |
| |
| Assert.assertTrue(observer.isComplete); |
| Assert.assertEquals(expected.size(), observer.rows.size()); |
| |
| for (Pair<ByteBuffer, Long> e : observer.rows.keySet()) |
| { |
| ByteBuffer key = e.left; |
| Long indexPosition = e.right; |
| |
| try (FileDataInput index = reader.ifile.createReader(indexPosition)) |
| { |
| ByteBuffer indexKey = ByteBufferUtil.readWithShortLength(index); |
| Assert.assertEquals(0, UTF8Type.instance.compare(key, indexKey)); |
| } |
| catch (IOException ex) |
| { |
| throw new FSReadError(ex, reader.getIndexFilename()); |
| } |
| |
| Assert.assertEquals(expected.get(key), observer.rows.get(e)); |
| } |
| } |
| |
| private static class RowIterator extends AbstractUnfilteredRowIterator |
| { |
| private final Iterator<Unfiltered> rows; |
| |
| public RowIterator(CFMetaData cfm, ByteBuffer key, Collection<Unfiltered> content) |
| { |
| super(cfm, |
| DatabaseDescriptor.getPartitioner().decorateKey(key), |
| DeletionTime.LIVE, |
| cfm.partitionColumns(), |
| BTreeRow.emptyRow(Clustering.STATIC_CLUSTERING), |
| false, |
| EncodingStats.NO_STATS); |
| |
| rows = content.iterator(); |
| } |
| |
| @Override |
| protected Unfiltered computeNext() |
| { |
| return rows.hasNext() ? rows.next() : endOfData(); |
| } |
| } |
| |
| private static class FlushObserver implements SSTableFlushObserver |
| { |
| private final Multimap<Pair<ByteBuffer, Long>, Cell> rows = ArrayListMultimap.create(); |
| private Pair<ByteBuffer, Long> currentKey; |
| private boolean isComplete; |
| |
| @Override |
| public void begin() |
| {} |
| |
| @Override |
| public void startPartition(DecoratedKey key, long indexPosition) |
| { |
| currentKey = Pair.create(key.getKey(), indexPosition); |
| } |
| |
| @Override |
| public void nextUnfilteredCluster(Unfiltered row) |
| { |
| if (row.isRow()) |
| ((Row) row).forEach((c) -> rows.put(currentKey, (Cell) c)); |
| } |
| |
| @Override |
| public void complete() |
| { |
| isComplete = true; |
| } |
| } |
| |
| private static Row buildRow(Collection<Cell> cells) |
| { |
| Row.Builder rowBuilder = BTreeRow.sortedBuilder(); |
| rowBuilder.newRow(Clustering.EMPTY); |
| cells.forEach(rowBuilder::addCell); |
| return rowBuilder.build(); |
| } |
| |
| private static ColumnDefinition getColumn(CFMetaData cfm, String name) |
| { |
| return cfm.getColumnDefinition(UTF8Type.instance.fromString(name)); |
| } |
| } |