Package org.yamcs.yarch.rocksdb
Class ColumnValueSerializer
- java.lang.Object
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- org.yamcs.yarch.rocksdb.ColumnValueSerializer
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public class ColumnValueSerializer extends Object
Used in partitioning by value - translates between value (Object) and byte[]
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Field Summary
Fields Modifier and Type Field Description static byte[]NULL_VALUE
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Constructor Summary
Constructors Constructor Description ColumnValueSerializer(DataType dt)ColumnValueSerializer(TableDefinition tableDefinition)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description ObjectbyteArrayToObject(byte[] b)this is the reverse of theobjectToByteArray(Object value)static intgetSerializedSize(DataType dt)return the size in bytes of the encoded data type if it can be encoded on fixed size, or -1 if not.byte[]objectToByteArray(Object value)
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Constructor Detail
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ColumnValueSerializer
public ColumnValueSerializer(DataType dt)
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ColumnValueSerializer
public ColumnValueSerializer(TableDefinition tableDefinition)
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Method Detail
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objectToByteArray
public byte[] objectToByteArray(Object value)
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byteArrayToObject
public Object byteArrayToObject(byte[] b)
this is the reverse of theobjectToByteArray(Object value)
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getSerializedSize
public static int getSerializedSize(DataType dt)
return the size in bytes of the encoded data type if it can be encoded on fixed size, or -1 if not.- Parameters:
dt-- Returns:
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