Package org.apache.cassandra.db

Class Columns.Serializer

java.lang.Object

org.apache.cassandra.db.Columns.Serializer

Enclosing class:

Columns

public static class Columns.Serializer
extends Object

Constructor Summary

Constructors

Constructor	Description
Serializer()

Method Summary

Modifier and Type	Method	Description
Columns	deserialize(DataInputPlus in, TableMetadata metadata)
Columns	deserializeSubset(Columns superset, DataInputPlus in)
void	serialize(Columns columns, DataOutputPlus out)
long	serializedSize(Columns columns)
long	serializedSubsetSize(Collection<ColumnMetadata> columns, Columns superset)
void	serializeSubset(Collection<ColumnMetadata> columns, Columns superset, DataOutputPlus out)	If both ends have a pre-shared superset of the columns we are serializing, we can send them much more efficiently.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Serializer

public Serializer()

Method Details

serialize

public void serialize(Columns columns,
 DataOutputPlus out)
               throws IOException

Throws:

IOException

serializedSize

public long serializedSize(Columns columns)

deserialize

public Columns deserialize(DataInputPlus in,
 TableMetadata metadata)
                    throws IOException

Throws:

IOException

serializeSubset

public void serializeSubset(Collection<ColumnMetadata> columns,
 Columns superset,
 DataOutputPlus out)
                     throws IOException

If both ends have a pre-shared superset of the columns we are serializing, we can send them much more efficiently. Both ends must provide the identically same set of columns.

Throws:

IOException

serializedSubsetSize

public long serializedSubsetSize(Collection<ColumnMetadata> columns,
 Columns superset)

deserializeSubset

public Columns deserializeSubset(Columns superset,
 DataInputPlus in)
                          throws IOException

Throws:

IOException