How to use

deserialize

method

in

org.apache.cassandra.db.DeletionTime$Serializer

public RangeTombstone deserializeBody(DataInput in, Composite min, Descriptor.Version version) throws IOException
{
  Composite max = type.serializer().deserialize(in);
  DeletionTime dt = DeletionTime.serializer.deserialize(in);
  // If the max equals the min.end(), we can avoid keeping an extra ByteBuffer in memory by using
  // min.end() instead of max
  Composite minEnd = min.end();
  max = minEnd.equals(max) ? minEnd : max;
  return new RangeTombstone(min, max, dt);
}

/**
 * Constructor called from {@link Serializer#deserializeForCache(org.apache.cassandra.io.util.DataInputPlus)}.
 */
private IndexedEntry(long dataFilePosition, DataInputPlus in, IndexInfo.Serializer idxInfoSerializer, Version version) throws IOException
{
  super(dataFilePosition);
  this.headerLength = in.readUnsignedVInt();
  this.deletionTime = DeletionTime.serializer.deserialize(in);
  int columnsIndexCount = (int) in.readUnsignedVInt();
  TrackedDataInputPlus trackedIn = new TrackedDataInputPlus(in);
  this.columnsIndex = new IndexInfo[columnsIndexCount];
  for (int i = 0; i < columnsIndexCount; i++)
    this.columnsIndex[i] = idxInfoSerializer.deserialize(trackedIn);
  this.offsets = null;
  this.indexedPartSize = (int) trackedIn.getBytesRead();
  this.idxInfoSerializer = idxInfoSerializer;
}

/**
 * Constructor for key-cache deserialization
 */
private ShallowIndexedEntry(long dataFilePosition, DataInputPlus in, IndexInfo.Serializer idxInfoSerializer) throws IOException
{
  super(dataFilePosition);
  this.indexFilePosition = in.readUnsignedVInt();
  this.headerLength = in.readUnsignedVInt();
  this.deletionTime = DeletionTime.serializer.deserialize(in);
  this.columnsIndexCount = (int) in.readUnsignedVInt();
  this.indexedPartSize = (int) in.readUnsignedVInt();
  this.idxInfoSerializer = idxInfoSerializer;
  this.fieldsSerializedSize = serializedSize(deletionTime, headerLength, columnsIndexCount);
  this.offsetsOffset = indexedPartSize + fieldsSerializedSize - columnsIndexCount * TypeSizes.sizeof(0);
}

public static SSTableIdentityIterator create(SSTableReader sstable, RandomAccessReader file, DecoratedKey key)
{
  try
  {
    DeletionTime partitionLevelDeletion = DeletionTime.serializer.deserialize(file);
    SerializationHelper helper = new SerializationHelper(sstable.metadata, sstable.descriptor.version.correspondingMessagingVersion(), SerializationHelper.Flag.LOCAL);
    SSTableSimpleIterator iterator = SSTableSimpleIterator.create(sstable.metadata, file, sstable.header, helper, partitionLevelDeletion);
    return new SSTableIdentityIterator(sstable, key, partitionLevelDeletion, file.getPath(), iterator);
  }
  catch (IOException e)
  {
    sstable.markSuspect();
    throw new CorruptSSTableException(e, file.getPath());
  }
}

public static SSTableIdentityIterator create(SSTableReader sstable, RandomAccessReader file, DecoratedKey key)
{
  try
  {
    DeletionTime partitionLevelDeletion = DeletionTime.serializer.deserialize(file);
    SerializationHelper helper = new SerializationHelper(sstable.metadata, sstable.descriptor.version.correspondingMessagingVersion(), SerializationHelper.Flag.LOCAL);
    SSTableSimpleIterator iterator = SSTableSimpleIterator.create(sstable.metadata, file, sstable.header, helper, partitionLevelDeletion);
    return new SSTableIdentityIterator(sstable, key, partitionLevelDeletion, file.getPath(), iterator);
  }
  catch (IOException e)
  {
    sstable.markSuspect();
    throw new CorruptSSTableException(e, file.getPath());
  }
}

/**
 * Constructor for key-cache deserialization
 */
private ShallowIndexedEntry(long dataFilePosition, DataInputPlus in, IndexInfo.Serializer idxInfoSerializer) throws IOException
{
  super(dataFilePosition);
  this.indexFilePosition = in.readUnsignedVInt();
  this.headerLength = in.readUnsignedVInt();
  this.deletionTime = DeletionTime.serializer.deserialize(in);
  this.columnsIndexCount = (int) in.readUnsignedVInt();
  this.indexedPartSize = (int) in.readUnsignedVInt();
  this.idxInfoSerializer = idxInfoSerializer;
  this.fieldsSerializedSize = serializedSize(deletionTime, headerLength, columnsIndexCount);
  this.offsetsOffset = indexedPartSize + fieldsSerializedSize - columnsIndexCount * TypeSizes.sizeof(0);
}

/**
 * Constructor for key-cache deserialization
 */
private ShallowIndexedEntry(long dataFilePosition, DataInputPlus in, IndexInfo.Serializer idxInfoSerializer) throws IOException
{
  super(dataFilePosition);
  this.indexFilePosition = in.readUnsignedVInt();
  this.headerLength = in.readUnsignedVInt();
  this.deletionTime = DeletionTime.serializer.deserialize(in);
  this.columnsIndexCount = (int) in.readUnsignedVInt();
  this.indexedPartSize = (int) in.readUnsignedVInt();
  this.idxInfoSerializer = idxInfoSerializer;
  this.fieldsSerializedSize = serializedSize(deletionTime, headerLength, columnsIndexCount);
  this.offsetsOffset = indexedPartSize + fieldsSerializedSize - columnsIndexCount * TypeSizes.sizeof(0);
}

/**
 * Constructor for key-cache deserialization
 */
private ShallowIndexedEntry(long dataFilePosition, DataInputPlus in, IndexInfo.Serializer idxInfoSerializer) throws IOException
{
  super(dataFilePosition);
  this.indexFilePosition = in.readUnsignedVInt();
  this.headerLength = in.readUnsignedVInt();
  this.deletionTime = DeletionTime.serializer.deserialize(in);
  this.columnsIndexCount = (int) in.readUnsignedVInt();
  this.indexedPartSize = (int) in.readUnsignedVInt();
  this.idxInfoSerializer = idxInfoSerializer;
  this.fieldsSerializedSize = serializedSize(deletionTime, headerLength, columnsIndexCount);
  this.offsetsOffset = indexedPartSize + fieldsSerializedSize - columnsIndexCount * TypeSizes.sizeof(0);
}

/**
 * Constructor called from {@link Serializer#deserializeForCache(org.apache.cassandra.io.util.DataInputPlus)}.
 */
private IndexedEntry(long dataFilePosition, DataInputPlus in, IndexInfo.Serializer idxInfoSerializer, Version version) throws IOException
{
  super(dataFilePosition);
  this.headerLength = in.readUnsignedVInt();
  this.deletionTime = DeletionTime.serializer.deserialize(in);
  int columnsIndexCount = (int) in.readUnsignedVInt();
  TrackedDataInputPlus trackedIn = new TrackedDataInputPlus(in);
  this.columnsIndex = new IndexInfo[columnsIndexCount];
  for (int i = 0; i < columnsIndexCount; i++)
    this.columnsIndex[i] = idxInfoSerializer.deserialize(trackedIn);
  this.offsets = null;
  this.indexedPartSize = (int) trackedIn.getBytesRead();
  this.idxInfoSerializer = idxInfoSerializer;
}

public static SSTableIdentityIterator create(SSTableReader sstable, RandomAccessReader file, DecoratedKey key)
{
  try
  {
    DeletionTime partitionLevelDeletion = DeletionTime.serializer.deserialize(file);
    SerializationHelper helper = new SerializationHelper(sstable.metadata, sstable.descriptor.version.correspondingMessagingVersion(), SerializationHelper.Flag.LOCAL);
    SSTableSimpleIterator iterator = SSTableSimpleIterator.create(sstable.metadata, file, sstable.header, helper, partitionLevelDeletion);
    return new SSTableIdentityIterator(sstable, key, partitionLevelDeletion, file.getPath(), iterator);
  }
  catch (IOException e)
  {
    sstable.markSuspect();
    throw new CorruptSSTableException(e, file.getPath());
  }
}

public static SSTableIdentityIterator create(SSTableReader sstable, RandomAccessReader file, DecoratedKey key)
{
  try
  {
    DeletionTime partitionLevelDeletion = DeletionTime.serializer.deserialize(file);
    SerializationHelper helper = new SerializationHelper(sstable.metadata, sstable.descriptor.version.correspondingMessagingVersion(), SerializationHelper.Flag.LOCAL);
    SSTableSimpleIterator iterator = SSTableSimpleIterator.create(sstable.metadata, file, sstable.header, helper, partitionLevelDeletion);
    return new SSTableIdentityIterator(sstable, key, partitionLevelDeletion, file.getPath(), iterator);
  }
  catch (IOException e)
  {
    sstable.markSuspect();
    throw new CorruptSSTableException(e, file.getPath());
  }
}

private static DeletionTime readDeletionTime(DataInput in, SSTableReader sstable, String filename)
{
  try
  {
    return DeletionTime.serializer.deserialize(in);
  }
  catch (IOException e)
  {
    if (sstable != null)
      sstable.markSuspect();
    throw new CorruptSSTableException(e, filename);
  }
}

public StreamDeserializer newPartition() throws IOException
{
  key = metadata.decorateKey(ByteBufferUtil.readWithShortLength(in));
  partitionLevelDeletion = DeletionTime.serializer.deserialize(in);
  iterator = SSTableSimpleIterator.create(metadata, in, header, helper, partitionLevelDeletion);
  staticRow = iterator.readStaticRow();
  return this;
}

public static LegacyRangeTombstone readLegacyRangeTombstoneBody(CFMetaData metadata, DataInputPlus in, ByteBuffer boundname) throws IOException
{
  LegacyBound min = decodeBound(metadata, boundname, true);
  LegacyBound max = decodeBound(metadata, ByteBufferUtil.readWithShortLength(in), false);
  DeletionTime dt = DeletionTime.serializer.deserialize(in);
  return new LegacyRangeTombstone(min, max, dt);
}

public static LegacyRangeTombstone readLegacyRangeTombstoneBody(CFMetaData metadata, DataInputPlus in, ByteBuffer boundname) throws IOException
{
  LegacyBound min = decodeBound(metadata, boundname, true);
  LegacyBound max = decodeBound(metadata, ByteBufferUtil.readWithShortLength(in), false);
  DeletionTime dt = DeletionTime.serializer.deserialize(in);
  return new LegacyRangeTombstone(min, max, dt);
}

public DeletionInfo deserialize(DataInput in, int version) throws IOException
{
  DeletionTime topLevel = DeletionTime.serializer.deserialize(in);
  RangeTombstoneList ranges = rtlSerializer.deserialize(in, version);
  return new DeletionInfo(topLevel, ranges);
}

public StreamDeserializer newPartition() throws IOException
{
  key = metadata.decorateKey(ByteBufferUtil.readWithShortLength(in));
  partitionLevelDeletion = DeletionTime.serializer.deserialize(in);
  iterator = SSTableSimpleIterator.create(metadata, in, header, helper, partitionLevelDeletion);
  staticRow = iterator.readStaticRow();
  return this;
}

public StreamDeserializer newPartition() throws IOException
{
  key = metadata.decorateKey(ByteBufferUtil.readWithShortLength(in));
  partitionLevelDeletion = DeletionTime.serializer.deserialize(in);
  iterator = SSTableSimpleIterator.create(metadata, in, header, helper, partitionLevelDeletion);
  staticRow = iterator.readStaticRow();
  return this;
}

public static LegacyRangeTombstone readLegacyRangeTombstoneBody(CFMetaData metadata, DataInputPlus in, ByteBuffer boundname) throws IOException
{
  LegacyBound min = decodeBound(metadata, boundname, true);
  LegacyBound max = decodeBound(metadata, ByteBufferUtil.readWithShortLength(in), false);
  DeletionTime dt = DeletionTime.serializer.deserialize(in);
  return new LegacyRangeTombstone(min, max, dt);
}

public static LegacyRangeTombstone readLegacyRangeTombstoneBody(CFMetaData metadata, DataInputPlus in, ByteBuffer boundname) throws IOException
{
  LegacyBound min = decodeBound(metadata, boundname, true);
  LegacyBound max = decodeBound(metadata, ByteBufferUtil.readWithShortLength(in), false);
  DeletionTime dt = DeletionTime.serializer.deserialize(in);
  return new LegacyRangeTombstone(min, max, dt);
}