org.apache.hadoop.hive.metastore.messaging.json

Class JSONOpenTxnMessage

java.lang.Object

org.apache.hadoop.hive.metastore.messaging.EventMessage

org.apache.hadoop.hive.metastore.messaging.OpenTxnMessage

org.apache.hadoop.hive.metastore.messaging.json.JSONOpenTxnMessage

public class JSONOpenTxnMessage
extends OpenTxnMessage

JSON implementation of OpenTxnMessage

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hive.metastore.messaging.EventMessage

EventMessage.EventType

Field Summary

Fields inherited from class org.apache.hadoop.hive.metastore.messaging.EventMessage

eventType

Constructor Summary

Constructors

Constructor and Description
JSONOpenTxnMessage() Default constructor, needed for Jackson.
JSONOpenTxnMessage(String server, String servicePrincipal, List<Long> txnIds, Long timestamp)
JSONOpenTxnMessage(String server, String servicePrincipal, Long fromTxnId, Long toTxnId, Long timestamp)

Method Summary

Modifier and Type	Method and Description
String	getDB() Getter for the name of the Database on which the Metastore operation is done.
String	getServer() Getter for HCatalog Server's URL.
String	getServicePrincipal() Getter for the Kerberos principal of the HCatalog service.
Long	getTimestamp() Getter for the timestamp associated with the operation.
List<Long>	getTxnIds() Get the list of txns opened
String	toString()

Methods inherited from class org.apache.hadoop.hive.metastore.messaging.EventMessage

checkValid, getEventType

Methods inherited from class java.lang.Object

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

Constructor Detail

JSONOpenTxnMessage

public JSONOpenTxnMessage()

Default constructor, needed for Jackson.

JSONOpenTxnMessage

public JSONOpenTxnMessage(String server,
                          String servicePrincipal,
                          List<Long> txnIds,
                          Long timestamp)

JSONOpenTxnMessage

public JSONOpenTxnMessage(String server,
                          String servicePrincipal,
                          Long fromTxnId,
                          Long toTxnId,
                          Long timestamp)

Method Detail

getTxnIds

public List<Long> getTxnIds()

Description copied from class: OpenTxnMessage

Get the list of txns opened

Specified by:

getTxnIds in class OpenTxnMessage

Returns:

The lists of TxnIds

getTimestamp

public Long getTimestamp()

Description copied from class: EventMessage

Getter for the timestamp associated with the operation.

Specified by:

getTimestamp in class EventMessage

Returns:

Timestamp (Long - seconds since epoch).

getDB

public String getDB()

Description copied from class: EventMessage

Getter for the name of the Database on which the Metastore operation is done.

Specified by:

getDB in class EventMessage

Returns:

Database-name (String).

getServicePrincipal

public String getServicePrincipal()

Description copied from class: EventMessage

Getter for the Kerberos principal of the HCatalog service.

Specified by:

getServicePrincipal in class EventMessage

Returns:

HCatalog Service Principal (String).

getServer

public String getServer()

Description copied from class: EventMessage

Getter for HCatalog Server's URL. (This is where the event originates from.)

Specified by:

getServer in class EventMessage

Returns:

HCatalog Server's URL (String).

toString

public String toString()

Overrides:

toString in class Object