org.apache.cassandra.io.sstable.metadata

Interface IMetadataSerializer

All Known Implementing Classes:

LegacyMetadataSerializer, MetadataSerializer

public interface IMetadataSerializer

Interface for SSTable metadata serializer

Method Summary

Modifier and Type	Method and Description
java.util.Map<MetadataType,MetadataComponent>	deserialize(Descriptor descriptor, java.util.EnumSet<MetadataType> types) Deserialize specified metadata components from given descriptor.
MetadataComponent	deserialize(Descriptor descriptor, MetadataType type) Deserialized only metadata component specified from given descriptor.
void	mutateLevel(Descriptor descriptor, int newLevel) Mutate SSTable level
void	mutateRepairedAt(Descriptor descriptor, long newRepairedAt) Mutate repairedAt time
void	serialize(java.util.Map<MetadataType,MetadataComponent> components, Version version, DataOutputPlus out) Serialize given metadata components

Method Detail

serialize

void serialize(java.util.Map<MetadataType,MetadataComponent> components,
               Version version,
               DataOutputPlus out)
        throws java.io.IOException

Serialize given metadata components

Parameters:

components - Metadata components to serialize

out -

Throws:

java.io.IOException

deserialize

java.util.Map<MetadataType,MetadataComponent> deserialize(Descriptor descriptor,
                                                          java.util.EnumSet<MetadataType> types)
                                                   throws java.io.IOException

Deserialize specified metadata components from given descriptor.

Parameters:

descriptor - SSTable descriptor

Returns:

Deserialized metadata components, in deserialized order.

Throws:

java.io.IOException

deserialize

MetadataComponent deserialize(Descriptor descriptor,
                              MetadataType type)
                       throws java.io.IOException

Deserialized only metadata component specified from given descriptor.

Parameters:

descriptor - SSTable descriptor

type - Metadata component type to deserialize

Returns:

Deserialized metadata component. Can be null if specified type does not exist.

Throws:

java.io.IOException

mutateLevel

void mutateLevel(Descriptor descriptor,
                 int newLevel)
          throws java.io.IOException

Mutate SSTable level

Parameters:

descriptor - SSTable descriptor

newLevel - new SSTable level

Throws:

java.io.IOException

mutateRepairedAt

void mutateRepairedAt(Descriptor descriptor,
                      long newRepairedAt)
               throws java.io.IOException

Mutate repairedAt time

Throws:

java.io.IOException