org.apache.flink.runtime.checkpoint.savepoint

Interface SavepointSerializer<T extends Savepoint>

Type Parameters:

T - Savepoint type to serialize.

All Known Implementing Classes:

SavepointV1Serializer, SavepointV2Serializer

public interface SavepointSerializer<T extends Savepoint>

Serializer for Savepoint instances.

This serializer is used to read/write a savepoint via Checkpoints.

Version-specific serializers are accessed via the SavepointSerializers helper.

Method Summary

Modifier and Type	Method and Description
T	deserialize(DataInputStream dis, ClassLoader userCodeClassLoader) Deserializes a savepoint from an input stream.
void	serialize(T savepoint, DataOutputStream dos) Serializes a savepoint to an output stream.

Method Detail

serialize

void serialize(T savepoint,
               DataOutputStream dos)
        throws IOException

Serializes a savepoint to an output stream.

Parameters:

savepoint - Savepoint to serialize

dos - Output stream to serialize the savepoint to

Throws:

IOException - Serialization failures are forwarded

deserialize

T deserialize(DataInputStream dis,
              ClassLoader userCodeClassLoader)
       throws IOException

Deserializes a savepoint from an input stream.

Parameters:

dis - Input stream to deserialize savepoint from

userCodeClassLoader - the user code class loader

Returns:

The deserialized savepoint

Throws:

IOException - Serialization failures are forwarded