com.netflix.genie.web.data.services.jpa

Class JpaFilePersistenceServiceImpl

java.lang.Object

com.netflix.genie.web.data.services.jpa.JpaFilePersistenceServiceImpl

All Implemented Interfaces:

FilePersistenceService, JpaFilePersistenceService

@Transactional
public class JpaFilePersistenceServiceImpl
extends java.lang.Object
implements JpaFilePersistenceService

JPA based implementation of the FilePersistenceService interface.

Since:

3.3.0

Constructor Summary

Constructors

Constructor and Description
JpaFilePersistenceServiceImpl(JpaFileRepository fileRepository) Constructor.

Method Summary

Modifier and Type	Method and Description
void	createFileIfNotExists(@NotBlank(message="File path cannot be blank") java.lang.String file) Attempt to create a file reference in the system if it doesn't already exist.
long	deleteUnusedFiles(@NotNull java.time.Instant createdThreshold) Delete all files from the database that aren't referenced which were created before the supplied created threshold.
java.util.Optional<FileEntity>	getFile(@NotBlank(message="File path cannot be blank") java.lang.String file) Get a reference to the file entity for the given file path string.
java.util.Set<FileEntity>	getFiles(@NotNull java.util.Set<java.lang.String> files) Get all the file entity references that match the input set of file strings.

Methods inherited from class java.lang.Object

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

Constructor Detail

JpaFilePersistenceServiceImpl

public JpaFilePersistenceServiceImpl(JpaFileRepository fileRepository)

Constructor.

Parameters:

fileRepository - The repository to use to perform CRUD operations on files

Method Detail

createFileIfNotExists

public void createFileIfNotExists(@NotBlank(message="File path cannot be blank")
                                  @NotBlank(message="File path cannot be blank") java.lang.String file)

Attempt to create a file reference in the system if it doesn't already exist.

Specified by:

createFileIfNotExists in interface FilePersistenceService

Parameters:

file - the file to create. Not blank.

deleteUnusedFiles

public long deleteUnusedFiles(@NotNull
                              @NotNull java.time.Instant createdThreshold)

Delete all files from the database that aren't referenced which were created before the supplied created threshold.

Specified by:

deleteUnusedFiles in interface FilePersistenceService

Parameters:

createdThreshold - The instant in time where files created before this time that aren't referenced will be deleted. Inclusive

Returns:

The number of files deleted

getFile

@Transactional(readOnly=true)
public java.util.Optional<FileEntity> getFile(@NotBlank(message="File path cannot be blank")
                                                                            @NotBlank(message="File path cannot be blank") java.lang.String file)

Get a reference to the file entity for the given file path string.

Specified by:

getFile in interface JpaFilePersistenceService

Parameters:

file - The path to search for

Returns:

The entity wrapped in an Optional or Optional.empty()

getFiles

@Transactional(readOnly=true)
public java.util.Set<FileEntity> getFiles(@NotNull
                                                                        @NotNull java.util.Set<java.lang.String> files)

Get all the file entity references that match the input set of file strings.

Specified by:

getFiles in interface JpaFilePersistenceService

Parameters:

files - the file strings to search for

Returns:

The set of files entities found. Note: if a file in files doesn't exist in database the set returned will consist of all other discovered files. E.G. files is ("a", "b", "c") and only "b" and "c" are in the database the returned set will contain "b" and "c". The method won't fail.