Package org.apache.hadoop.hdfs.server.federation.store.records

Class StateStoreVersion

java.lang.Object

org.apache.hadoop.hdfs.server.federation.store.records.BaseRecord

org.apache.hadoop.hdfs.server.federation.store.records.StateStoreVersion

All Implemented Interfaces:

java.lang.Comparable<BaseRecord>

Direct Known Subclasses:

StateStoreVersionPBImpl

public abstract class StateStoreVersion
extends BaseRecord

Entry to track the version of the State Store data stored in the State Store by a Router.

Field Summary

Fields inherited from class org.apache.hadoop.hdfs.server.federation.store.records.BaseRecord

ERROR_MSG_CREATION_TIME_NEGATIVE, ERROR_MSG_MODIFICATION_TIME_NEGATIVE

Constructor Summary

Constructors

Constructor	Description
StateStoreVersion()

Method Summary

Modifier and Type	Method	Description
long	getDateCreated()	Get the creation time for the record.
long	getDateModified()	Get the modification time for the record.
long	getExpirationMs()	Get the expiration time for the record.
abstract long	getMembershipVersion()
abstract long	getMountTableVersion()
java.util.SortedMap<java.lang.String,java.lang.String>	getPrimaryKeys()	Map of primary key names to values for the record.
static StateStoreVersion	newInstance()
static StateStoreVersion	newInstance(long membershipVersion, long mountTableVersion)
void	setDateCreated(long time)	Set the creation time for the record.
void	setDateModified(long time)	Set the modification time for the record.
abstract void	setMembershipVersion(long version)
abstract void	setMountTableVersion(long version)
java.lang.String	toString()

Methods inherited from class org.apache.hadoop.hdfs.server.federation.store.records.BaseRecord

checkExpired, compareTo, equals, generateMashupKey, getDeletionMs, getPrimaryKey, hashCode, hasOtherFields, init, isExpired, like, shouldBeDeleted, validate

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

StateStoreVersion

public StateStoreVersion()

Method Detail

newInstance

public static StateStoreVersion newInstance()

newInstance

public static StateStoreVersion newInstance(long membershipVersion,
                                            long mountTableVersion)

getMembershipVersion

public abstract long getMembershipVersion()

setMembershipVersion

public abstract void setMembershipVersion(long version)

getMountTableVersion

public abstract long getMountTableVersion()

setMountTableVersion

public abstract void setMountTableVersion(long version)

getPrimaryKeys

public java.util.SortedMap<java.lang.String,java.lang.String> getPrimaryKeys()

Description copied from class: BaseRecord

Map of primary key names to values for the record. The primary key can be a combination of 1-n different State Store serialized values.

Specified by:

getPrimaryKeys in class BaseRecord

Returns:

Map of key/value pairs that constitute this object's primary key.

getExpirationMs

public long getExpirationMs()

Description copied from class: BaseRecord

Get the expiration time for the record.

Specified by:

getExpirationMs in class BaseRecord

Returns:

Expiration time for the record.

setDateModified

public void setDateModified(long time)

Description copied from class: BaseRecord

Set the modification time for the record.

Specified by:

setDateModified in class BaseRecord

Parameters:

time - Modification time of the record.

getDateModified

public long getDateModified()

Description copied from class: BaseRecord

Get the modification time for the record.

Specified by:

getDateModified in class BaseRecord

Returns:

Modification time of the record.

setDateCreated

public void setDateCreated(long time)

Description copied from class: BaseRecord

Set the creation time for the record.

Specified by:

setDateCreated in class BaseRecord

Parameters:

time - Creation time of the record.

getDateCreated

public long getDateCreated()

Description copied from class: BaseRecord

Get the creation time for the record.

Specified by:

getDateCreated in class BaseRecord

Returns:

Creation time of the record

toString

public java.lang.String toString()

Overrides:

toString in class BaseRecord