org.jdbi.v3.sqlobject

Interface Handler

All Known Implementing Classes:

CreateSqlObjectHandler, SqlBatchHandler, SqlCallHandler, SqlQueryHandler, SqlScriptsHandler, SqlUpdateHandler

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 Handler

Implements the contract of a SQL Object method.

Method Summary

Modifier and Type	Method and Description
Object	invoke(Object target, Object[] args, HandleSupplier handle) Executes a SQL Object method, and returns the result.
default void	warm(ConfigRegistry config) Called after the method handler is constructed to pre-initialize any important configuration data structures.

Method Detail

invoke

Object invoke(Object target,
              Object[] args,
              HandleSupplier handle)
       throws Exception

Executes a SQL Object method, and returns the result.

Parameters:

target - the SQL Object instance being invoked

args - the arguments that were passed to the method.

handle - a (possibly lazy) Handle supplier.

Returns:

the method return value, or null if the method has a void return type.

Throws:

Exception - any exception thrown by the method.

warm

@Beta
default void warm(ConfigRegistry config)

Called after the method handler is constructed to pre-initialize any important configuration data structures.

Parameters:

config - the method configuration to warm