Package org.apache.hadoop.ozone.om.snapshot.filter

Class ReclaimableDirFilter

java.lang.Object

org.apache.hadoop.ozone.om.snapshot.filter.ReclaimableFilter<org.apache.hadoop.ozone.om.helpers.OmKeyInfo>

org.apache.hadoop.ozone.om.snapshot.filter.ReclaimableDirFilter

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.ratis.util.function.CheckedFunction<org.apache.hadoop.hdds.utils.db.Table.KeyValue<String,org.apache.hadoop.ozone.om.helpers.OmKeyInfo>,Boolean,IOException>

public class ReclaimableDirFilter
extends ReclaimableFilter<org.apache.hadoop.ozone.om.helpers.OmKeyInfo>

Class to filter out deleted directories which are reclaimable based on their presence in previous snapshot in the snapshot chain.

Constructor Summary

Constructors

Constructor	Description
ReclaimableDirFilter(OzoneManager ozoneManager, OmSnapshotManager omSnapshotManager, SnapshotChainManager snapshotChainManager, org.apache.hadoop.ozone.om.helpers.SnapshotInfo currentSnapshotInfo, KeyManager keyManager, org.apache.hadoop.ozone.om.lock.IOzoneManagerLock lock)

Method Summary

Modifier and Type	Method	Description
protected String	getBucketName(org.apache.hadoop.hdds.utils.db.Table.KeyValue<String,org.apache.hadoop.ozone.om.helpers.OmKeyInfo> keyValue)
protected String	getVolumeName(org.apache.hadoop.hdds.utils.db.Table.KeyValue<String,org.apache.hadoop.ozone.om.helpers.OmKeyInfo> keyValue)
protected Boolean	isReclaimable(org.apache.hadoop.hdds.utils.db.Table.KeyValue<String,org.apache.hadoop.ozone.om.helpers.OmKeyInfo> deletedDirInfo)

Methods inherited from class org.apache.hadoop.ozone.om.snapshot.filter.ReclaimableFilter

apply, close, getBucketInfo, getKeyManager, getOzoneManager, getPreviousOmSnapshot, getPreviousSnapshotInfo, getVolumeId

Methods inherited from class java.lang.Object

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

Constructor Details

ReclaimableDirFilter

public ReclaimableDirFilter(OzoneManager ozoneManager,
 OmSnapshotManager omSnapshotManager,
 SnapshotChainManager snapshotChainManager,
 org.apache.hadoop.ozone.om.helpers.SnapshotInfo currentSnapshotInfo,
 KeyManager keyManager,
 org.apache.hadoop.ozone.om.lock.IOzoneManagerLock lock)

Method Details

getVolumeName

protected String getVolumeName(org.apache.hadoop.hdds.utils.db.Table.KeyValue<String,org.apache.hadoop.ozone.om.helpers.OmKeyInfo> keyValue)
                        throws IOException

Specified by:

getVolumeName in class ReclaimableFilter<org.apache.hadoop.ozone.om.helpers.OmKeyInfo>

Throws:

IOException

getBucketName

protected String getBucketName(org.apache.hadoop.hdds.utils.db.Table.KeyValue<String,org.apache.hadoop.ozone.om.helpers.OmKeyInfo> keyValue)
                        throws IOException

Specified by:

getBucketName in class ReclaimableFilter<org.apache.hadoop.ozone.om.helpers.OmKeyInfo>

Throws:

IOException

isReclaimable

protected Boolean isReclaimable(org.apache.hadoop.hdds.utils.db.Table.KeyValue<String,org.apache.hadoop.ozone.om.helpers.OmKeyInfo> deletedDirInfo)
                         throws IOException

Specified by:

isReclaimable in class ReclaimableFilter<org.apache.hadoop.ozone.om.helpers.OmKeyInfo>

Throws:

IOException