org.axonframework.eventhandling.deadletter.jdbc

Interface DeadLetterJdbcConverter<E extends EventMessage<?>,D extends JdbcDeadLetter<E>>

Type Parameters:

E - An implementation of EventMessage contained within the JdbcDeadLetter implementation this converter converts.

D - An implementation of JdbcDeadLetter converted by this converter.

All Known Implementing Classes:

DefaultDeadLetterJdbcConverter

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface DeadLetterJdbcConverter<E extends EventMessage<?>,D extends JdbcDeadLetter<E>>

A functional interface describing how to convert a ResultSet in JdbcDeadLetter implementation of type D

Since:

4.8.0

Author:

Steven van Beelen

Method Summary

Modifier and Type	Method and Description
D	convertToLetter(ResultSet resultSet) Converts the given resultSet in an implementation of JdbcDeadLetter.

Method Detail

convertToLetter

D convertToLetter(ResultSet resultSet)
           throws SQLException

Converts the given resultSet in an implementation of JdbcDeadLetter.

It is recommended to validate the type of EventMessage to place in the result, as different types require additional information to be deserialized and returned.

Parameters:

resultSet - The ResultSet to convert into a JdbcDeadLetter

Returns:

An implementation of JdbcDeadLetter based on the given resultSet.

Throws:

SQLException - if the a columnLabel in the given resultSet does not exist, if a database access error occurs or if the given resultSet is closed.