org.apache.hadoop.hdfs.protocol
Class SnapshotDiffReport

java.lang.Object
  org.apache.hadoop.hdfs.protocol.SnapshotDiffReport

public class SnapshotDiffReport
extends Object

This class represents to end users the difference between two snapshots of the same directory, or the difference between a snapshot of the directory and its current state. Instead of capturing all the details of the diff, which is stored in INodeDirectorySnapshottable.SnapshotDiffInfo, this class only lists where the changes happened and their types.

Nested Class Summary

static class	SnapshotDiffReport.DiffReportEntry Representing the full path and diff type of a file/directory where changes have happened.
static class	SnapshotDiffReport.DiffType Types of the difference, which include CREATE, MODIFY, DELETE, and RENAME.

Constructor Summary

SnapshotDiffReport(String snapshotRoot, String fromSnapshot, String toSnapshot, List<SnapshotDiffReport.DiffReportEntry> entryList)

Method Summary

List<SnapshotDiffReport.DiffReportEntry>	getDiffList()
String	getFromSnapshot()
String	getLaterSnapshotName()
String	getSnapshotRoot()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SnapshotDiffReport

public SnapshotDiffReport(String snapshotRoot,
                          String fromSnapshot,
                          String toSnapshot,
                          List<SnapshotDiffReport.DiffReportEntry> entryList)

Method Detail

getSnapshotRoot

public String getSnapshotRoot()

Returns:

snapshotRoot

getFromSnapshot

public String getFromSnapshot()

Returns:

fromSnapshot

getLaterSnapshotName

public String getLaterSnapshotName()

Returns:

toSnapshot

getDiffList

public List<SnapshotDiffReport.DiffReportEntry> getDiffList()

Returns:

diffList

toString

public String toString()

Overrides:

toString in class Object