Package io.github.blyznytsiaorg.bibernate.dao.method.handler

Class SimpleRepositoryMethodFindByHandler

java.lang.Object

io.github.blyznytsiaorg.bibernate.dao.method.handler.SimpleRepositoryMethodFindByHandler

All Implemented Interfaces:

SimpleRepositoryMethodHandler

public class SimpleRepositoryMethodFindByHandler
extends Object
implements SimpleRepositoryMethodHandler

Handler for executing the findBy methods in a simple repository. Implements the SimpleRepositoryMethodHandler interface.

Since:

1.0

Author:

Blyzhnytsia Team

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	METHOD_NAME	The prefix for the handled method (findBy).

Fields inherited from interface io.github.blyznytsiaorg.bibernate.dao.method.handler.SimpleRepositoryMethodHandler

CANNOT_FIND_RESULT_FOR_S_IN_METHOD_S, CANNOT_RETURN_S_SHOULD_BE_OPTIONAL_S_OR_S, EXPECTED_SINGLE_RESULT, HANDLE_METHOD, LOOKS_LIKE_METHOD_WITHOUT_REQUIRED_PARAMETER_ID, NOT_SUPPORTED_RETURN_TYPE_FOR_METHOD_NAME

Constructor Summary

Constructors

Constructor	Description
SimpleRepositoryMethodFindByHandler()

Method Summary

Modifier and Type	Method	Description
Object	execute(Method method, Object[] parameters, RepositoryDetails repositoryDetails, MethodMetadata methodMetadata)	Executes the findBy method in the simple repository.
boolean	isMethodHandle(Method method)	Checks if the given method is a findBy method.
private static void	itemsIsEmpty(List<?> items, String entityClass, String methodName, Object[] parameters)	Checks if the list of items is empty and throws an exception if no results are found.

Methods inherited from class java.lang.Object

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

Field Details

METHOD_NAME

private static final String METHOD_NAME

The prefix for the handled method (findBy).

See Also:

• Constant Field Values

Constructor Details

SimpleRepositoryMethodFindByHandler

public SimpleRepositoryMethodFindByHandler()

Method Details

isMethodHandle

public boolean isMethodHandle(Method method)

Checks if the given method is a findBy method.

Specified by:

isMethodHandle in interface SimpleRepositoryMethodHandler

Parameters:

method - The method to check.

Returns:

true if the method is a findBy method, false otherwise.

execute

public Object execute(Method method,
 Object[] parameters,
 RepositoryDetails repositoryDetails,
 MethodMetadata methodMetadata)

Executes the findBy method in the simple repository.

Specified by:

execute in interface SimpleRepositoryMethodHandler

Parameters:

method - The findBy method to execute.

parameters - The parameters for the findBy method invocation.

repositoryDetails - Details about the repository, including its name, primary key type, entity type, etc.

methodMetadata - Metadata for the repository method, including its name, return type, and parameters.

Returns:

The result of the findBy method execution, a list of entities, a single entity, or an empty list based on the return type and method invocation.

itemsIsEmpty

private static void itemsIsEmpty(List<?> items,
 String entityClass,
 String methodName,
 Object[] parameters)

Checks if the list of items is empty and throws an exception if no results are found.

Parameters:

items - The list of items to check.

entityClass - The name of the entity class.

methodName - The name of the method.

parameters - The parameters used in the method invocation.

Throws:

EntityNotFoundException - if the list of items is empty.