Github user iamaleksey commented on a diff in the pull request:
https://github.com/apache/cassandra/pull/239#discussion_r205113409
--- Diff:
src/java/org/apache/cassandra/io/sstable/format/big/BigTableBlockWriter.java ---
@@ -0,0 +1,221 @@
+/*
+ * 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.big;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.apache.cassandra.config.DatabaseDescriptor;
+import org.apache.cassandra.db.lifecycle.LifecycleTransaction;
+import org.apache.cassandra.db.rows.UnfilteredRowIterator;
+import org.apache.cassandra.io.FSWriteError;
+import org.apache.cassandra.io.compress.BufferType;
+import org.apache.cassandra.io.sstable.Component;
+import org.apache.cassandra.io.sstable.Descriptor;
+import org.apache.cassandra.io.sstable.SSTable;
+import org.apache.cassandra.io.sstable.SSTableMultiWriter;
+import org.apache.cassandra.io.sstable.format.SSTableReader;
+import org.apache.cassandra.io.util.DataInputPlus;
+import org.apache.cassandra.io.util.SequentialWriter;
+import org.apache.cassandra.io.util.SequentialWriterOption;
+import org.apache.cassandra.net.async.RebufferingByteBufDataInputPlus;
+import org.apache.cassandra.schema.TableId;
+import org.apache.cassandra.schema.TableMetadataRef;
+
+public class BigTableBlockWriter extends SSTable implements
SSTableMultiWriter
+{
+ private final TableMetadataRef metadata;
+ private final LifecycleTransaction txn;
+ private volatile SSTableReader finalReader;
+ private final Map<Component.Type, SequentialWriter> componentWriters;
+
+ private final Logger logger =
LoggerFactory.getLogger(BigTableBlockWriter.class);
+
+ private final SequentialWriterOption writerOption =
SequentialWriterOption.newBuilder()
+
.trickleFsync(false)
+
.bufferSize(2 * 1024 * 1024)
+
.bufferType(BufferType.OFF_HEAP)
+
.build();
+ public static final ImmutableSet<Component> supportedComponents =
ImmutableSet.of(Component.DATA, Component.PRIMARY_INDEX, Component.STATS,
+
Component.COMPRESSION_INFO, Component.FILTER, Component.SUMMARY,
+
Component.DIGEST, Component.CRC);
+
+ public BigTableBlockWriter(Descriptor descriptor,
+ TableMetadataRef metadata,
+ LifecycleTransaction txn,
+ final Set<Component> components)
+ {
+ super(descriptor, ImmutableSet.copyOf(components), metadata,
+ DatabaseDescriptor.getDiskOptimizationStrategy());
+ txn.trackNew(this);
+ this.metadata = metadata;
+ this.txn = txn;
+ this.componentWriters = new HashMap<>(components.size());
--- End diff --
Can be a `EnumMap` (:
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