Package org.apache.polaris.service.task

Class FileCleanupTaskHandler

java.lang.Object

org.apache.polaris.service.task.FileCleanupTaskHandler

All Implemented Interfaces:

TaskHandler

Direct Known Subclasses:

BatchFileCleanupTaskHandler, ManifestFileCleanupTaskHandler

public abstract class FileCleanupTaskHandler
extends Object
implements TaskHandler

FileCleanupTaskHandler responsible for cleaning up files in table tasks. Handles retries for file deletions and skips files that are already missing. Subclasses must implement task-specific logic.

Field Summary

Fields

Modifier and Type	Field	Description
final ExecutorService	executorService
static final int	FILE_DELETION_RETRY_MILLIS
final TaskFileIOSupplier	fileIOSupplier
static final int	MAX_ATTEMPTS

Constructor Summary

Constructors

Constructor	Description
FileCleanupTaskHandler(TaskFileIOSupplier fileIOSupplier, ExecutorService executorService)

Method Summary

Modifier and Type	Method	Description
abstract boolean	canHandleTask(org.apache.polaris.core.entity.TaskEntity task)
abstract boolean	handleTask(org.apache.polaris.core.entity.TaskEntity task, org.apache.polaris.core.context.CallContext callContext)
CompletableFuture<Void>	tryDelete(org.apache.iceberg.catalog.TableIdentifier tableId, org.apache.iceberg.io.FileIO fileIO, String baseFile, String file, Throwable e, int attempt)

Methods inherited from class java.lang.Object

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

Field Details

MAX_ATTEMPTS

public static final int MAX_ATTEMPTS

See Also:

• Constant Field Values

FILE_DELETION_RETRY_MILLIS

public static final int FILE_DELETION_RETRY_MILLIS

See Also:

• Constant Field Values

fileIOSupplier

public final TaskFileIOSupplier fileIOSupplier

executorService

public final ExecutorService executorService

Constructor Details

FileCleanupTaskHandler

public FileCleanupTaskHandler(TaskFileIOSupplier fileIOSupplier,
 ExecutorService executorService)

Method Details

canHandleTask

public abstract boolean canHandleTask(org.apache.polaris.core.entity.TaskEntity task)

Specified by:

canHandleTask in interface TaskHandler

handleTask

public abstract boolean handleTask(org.apache.polaris.core.entity.TaskEntity task,
 org.apache.polaris.core.context.CallContext callContext)

Specified by:

handleTask in interface TaskHandler

tryDelete

public CompletableFuture<Void> tryDelete(org.apache.iceberg.catalog.TableIdentifier tableId,
 org.apache.iceberg.io.FileIO fileIO,
 String baseFile,
 String file,
 Throwable e,
 int attempt)