Class SerializablePairLongStringColumnSerializer
- java.lang.Object
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- org.apache.druid.query.aggregation.SerializablePairLongStringColumnSerializer
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- All Implemented Interfaces:
GenericColumnSerializer<SerializablePairLongString>
,Serializer
public class SerializablePairLongStringColumnSerializer extends Object implements GenericColumnSerializer<SerializablePairLongString>
valid call sequenceopen()+serialize()*(getSerializedSize()|writeTo())*
getSerializedSize() / writeTo() effectively function as a close call, but each may be called multiple times and has no effect on one another.
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Field Summary
Fields Modifier and Type Field Description static StagedSerde<SerializablePairLongString>
STAGED_SERDE
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Constructor Summary
Constructors Constructor Description SerializablePairLongStringColumnSerializer(SegmentWriteOutMedium segmentWriteOutMedium, ByteBufferProvider byteBufferProvider)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description 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
serialize(ColumnValueSelector<? extends SerializablePairLongString> selector)
void
writeTo(WritableByteChannel channel, FileSmoosher smoosher)
Writes serialized form of this object to the given channel.
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Field Detail
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STAGED_SERDE
public static final StagedSerde<SerializablePairLongString> STAGED_SERDE
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Constructor Detail
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SerializablePairLongStringColumnSerializer
public SerializablePairLongStringColumnSerializer(SegmentWriteOutMedium segmentWriteOutMedium, ByteBufferProvider byteBufferProvider)
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Method Detail
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open
public void open() throws IOException
- Specified by:
open
in interfaceGenericColumnSerializer<SerializablePairLongString>
- Throws:
IOException
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serialize
public void serialize(ColumnValueSelector<? extends SerializablePairLongString> selector) throws IOException
- Specified by:
serialize
in interfaceGenericColumnSerializer<SerializablePairLongString>
- Throws:
IOException
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getSerializedSize
public long getSerializedSize() throws IOException
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
- Throws:
IOException
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writeTo
public void writeTo(WritableByteChannel channel, @Nullable 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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