org.onosproject.store.service.impl

Class DatabaseStateMachine

java.lang.Object

org.onosproject.store.service.impl.DatabaseStateMachine

All Implemented Interfaces:

net.kuujo.copycat.StateMachine

public class DatabaseStateMachine
extends Object
implements net.kuujo.copycat.StateMachine

StateMachine whose transitions are coordinated/replicated by Raft consensus. Each Raft cluster member has a instance of this state machine that is independently updated in lock step once there is consensus on the next transition.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DatabaseStateMachine.State
static class	DatabaseStateMachine.TableMetadata

Field Summary

Fields

Modifier and Type	Field and Description
static org.onosproject.store.cluster.messaging.MessageSubject	DATABASE_UPDATE_EVENTS

Constructor Summary

Constructors

Constructor and Description
DatabaseStateMachine()

Method Summary

Modifier and Type	Method and Description
void	addEventListener(DatabaseUpdateEventListener listener) Adds specified DatabaseUpdateEventListener.
boolean	createTable(String tableName)
boolean	createTable(String tableName, Integer ttlMillis)
boolean	dropAllTables()
boolean	dropTable(String tableName)
Map<String,org.onosproject.store.service.VersionedValue>	getAll(String tableName)
void	installSnapshot(byte[] data)
Set<String>	listTables()
List<org.onosproject.store.service.ReadResult>	read(org.onosproject.store.service.BatchReadRequest batchRequest)
void	removeEventListener(DatabaseUpdateEventListener listener) Removes specified DatabaseUpdateEventListener.
byte[]	takeSnapshot()
List<org.onosproject.store.service.WriteResult>	write(org.onosproject.store.service.BatchWriteRequest batchRequest)

Methods inherited from class java.lang.Object

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

Field Detail

DATABASE_UPDATE_EVENTS

public static final org.onosproject.store.cluster.messaging.MessageSubject DATABASE_UPDATE_EVENTS

Constructor Detail

DatabaseStateMachine

public DatabaseStateMachine()

Method Detail

createTable

public boolean createTable(String tableName)

createTable

public boolean createTable(String tableName,
                           Integer ttlMillis)

dropTable

public boolean dropTable(String tableName)

dropAllTables

public boolean dropAllTables()

listTables

public Set<String> listTables()

read

public List<org.onosproject.store.service.ReadResult> read(org.onosproject.store.service.BatchReadRequest batchRequest)

getAll

public Map<String,org.onosproject.store.service.VersionedValue> getAll(String tableName)

write

public List<org.onosproject.store.service.WriteResult> write(org.onosproject.store.service.BatchWriteRequest batchRequest)

takeSnapshot

public byte[] takeSnapshot()

Specified by:

takeSnapshot in interface net.kuujo.copycat.StateMachine

installSnapshot

public void installSnapshot(byte[] data)

Specified by:

installSnapshot in interface net.kuujo.copycat.StateMachine

addEventListener

public void addEventListener(DatabaseUpdateEventListener listener)

Adds specified DatabaseUpdateEventListener.

Parameters:

listener - listener to add

removeEventListener

public void removeEventListener(DatabaseUpdateEventListener listener)

Removes specified DatabaseUpdateEventListener.

Parameters:

listener - listener to remove