Package org.apache.druid.segment.data
Class CompressedVariableSizedBlobColumnSerializer
- java.lang.Object
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- org.apache.druid.segment.data.CompressedVariableSizedBlobColumnSerializer
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- All Implemented Interfaces:
Serializer
public class CompressedVariableSizedBlobColumnSerializer extends Object implements Serializer
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Constructor Summary
Constructors Constructor Description CompressedVariableSizedBlobColumnSerializer(String filenameBase, SegmentWriteOutMedium segmentWriteOutMedium, CompressionStrategy compression)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addValue(byte[] bytes)
void
addValue(ByteBuffer bytes)
static String
getCompressedBlobsFileName(String filenameBase)
static String
getCompressedOffsetsFileName(String filenameBase)
long
getSerializedSize()
Returns the number of bytes, that this Serializer will write to the output _channel_ (not smoosher) on aSerializer.writeTo(java.nio.channels.WritableByteChannel, org.apache.druid.java.util.common.io.smoosh.FileSmoosher)
call.void
open()
void
writeTo(WritableByteChannel channel, FileSmoosher smoosher)
Writes serialized form of this object to the given channel.
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Constructor Detail
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CompressedVariableSizedBlobColumnSerializer
public CompressedVariableSizedBlobColumnSerializer(String filenameBase, SegmentWriteOutMedium segmentWriteOutMedium, CompressionStrategy compression)
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Method Detail
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open
public void open() throws IOException
- Throws:
IOException
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addValue
public void addValue(byte[] bytes) throws IOException
- Throws:
IOException
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addValue
public void addValue(ByteBuffer bytes) throws IOException
- Throws:
IOException
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getSerializedSize
public long getSerializedSize()
Description copied from interface:Serializer
Returns the number of bytes, that this Serializer will write to the output _channel_ (not smoosher) on aSerializer.writeTo(java.nio.channels.WritableByteChannel, org.apache.druid.java.util.common.io.smoosh.FileSmoosher)
call.- Specified by:
getSerializedSize
in interfaceSerializer
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writeTo
public void writeTo(WritableByteChannel channel, FileSmoosher smoosher) throws IOException
Description copied from interface:Serializer
Writes serialized form of this object to the given channel. If parallel data streams are needed, they could be created with the provided smoosher.- Specified by:
writeTo
in interfaceSerializer
- Throws:
IOException
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getCompressedOffsetsFileName
public static String getCompressedOffsetsFileName(String filenameBase)
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