com.google.cloud.hadoop.gcsio.cooplock

Class CoopLockOperationDao

java.lang.Object

com.google.cloud.hadoop.gcsio.cooplock.CoopLockOperationDao

public class CoopLockOperationDao
extends Object

DAO class for operation lock metadata (persisted in gs://<BUCKET>/_lock/<OPERATION>.lock file) and operation logs (persisted in gs://<BUCKET>/_lock/<OPERATION>.log file)

Constructor Summary

Constructors

Constructor and Description
CoopLockOperationDao(GoogleCloudStorage gcs)

Method Summary

Modifier and Type	Method and Description
void	checkpointRenameOperation(String bucketName, String operationId, Instant operationInstant, boolean copySucceeded)
Future<?>	persistDeleteOperation(String operationId, Instant operationInstant, StorageResourceId resourceId, List<FileInfo> itemsToDelete, List<FileInfo> bucketsToDelete)
Future<?>	persistRenameOperation(String operationId, Instant operationInstant, StorageResourceId src, StorageResourceId dst, Map<FileInfo,URI> srcToDstItemNames, Map<FileInfo,URI> srcToDstMarkerItemNames)
<T> Future<?>	scheduleLockUpdate(String operationId, URI operationLockPath, Class<T> clazz, BiConsumer<T,Instant> renewFn)

Methods inherited from class java.lang.Object

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

Constructor Detail

CoopLockOperationDao

public CoopLockOperationDao(GoogleCloudStorage gcs)

Method Detail

persistDeleteOperation

public Future<?> persistDeleteOperation(String operationId,
                                        Instant operationInstant,
                                        StorageResourceId resourceId,
                                        List<FileInfo> itemsToDelete,
                                        List<FileInfo> bucketsToDelete)
                                 throws IOException

Throws:

IOException

persistRenameOperation

public Future<?> persistRenameOperation(String operationId,
                                        Instant operationInstant,
                                        StorageResourceId src,
                                        StorageResourceId dst,
                                        Map<FileInfo,URI> srcToDstItemNames,
                                        Map<FileInfo,URI> srcToDstMarkerItemNames)
                                 throws IOException

Throws:

IOException

checkpointRenameOperation

public void checkpointRenameOperation(String bucketName,
                                      String operationId,
                                      Instant operationInstant,
                                      boolean copySucceeded)
                               throws IOException

Throws:

IOException

scheduleLockUpdate

public <T> Future<?> scheduleLockUpdate(String operationId,
                                        URI operationLockPath,
                                        Class<T> clazz,
                                        BiConsumer<T,Instant> renewFn)