Package org.apache.hadoop.hdfs.protocol

Class SnapshotDiffReport

java.lang.Object

org.apache.hadoop.hdfs.protocol.SnapshotDiffReport

public class SnapshotDiffReport
extends java.lang.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, this class only lists where the changes happened and their types.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SnapshotDiffReport.DiffReportEntry	Representing the full path and diff type of a file/directory where changes have happened.
static class	SnapshotDiffReport.DiffStats	Records the stats related to Snapshot diff operation.
static class	SnapshotDiffReport.DiffType	Types of the difference, which include CREATE, MODIFY, DELETE, and RENAME.

Constructor Summary

Constructors

Constructor	Description
SnapshotDiffReport(java.lang.String snapshotRoot, java.lang.String fromSnapshot, java.lang.String toSnapshot, java.util.List<SnapshotDiffReport.DiffReportEntry> entryList)
SnapshotDiffReport(java.lang.String snapshotRoot, java.lang.String fromSnapshot, java.lang.String toSnapshot, SnapshotDiffReport.DiffStats dStat, java.util.List<SnapshotDiffReport.DiffReportEntry> entryList)

Method Summary

Modifier and Type	Method	Description
java.util.List<SnapshotDiffReport.DiffReportEntry>	getDiffList()
java.lang.String	getFromSnapshot()
java.lang.String	getLaterSnapshotName()
java.lang.String	getSnapshotRoot()
SnapshotDiffReport.DiffStats	getStats()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SnapshotDiffReport

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

SnapshotDiffReport

public SnapshotDiffReport(java.lang.String snapshotRoot,
                          java.lang.String fromSnapshot,
                          java.lang.String toSnapshot,
                          SnapshotDiffReport.DiffStats dStat,
                          java.util.List<SnapshotDiffReport.DiffReportEntry> entryList)

Method Detail

getSnapshotRoot

public java.lang.String getSnapshotRoot()

Returns:

snapshotRoot

getFromSnapshot

public java.lang.String getFromSnapshot()

Returns:

fromSnapshot

getLaterSnapshotName

public java.lang.String getLaterSnapshotName()

Returns:

toSnapshot

getStats

public SnapshotDiffReport.DiffStats getStats()

getDiffList

public java.util.List<SnapshotDiffReport.DiffReportEntry> getDiffList()

Returns:

diffList

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object