org.neo4j.kernel.ha

Class MasterClient214

java.lang.Object

org.neo4j.kernel.lifecycle.LifecycleAdapter

org.neo4j.com.Client<Master>

org.neo4j.kernel.ha.MasterClient214

All Implemented Interfaces:

org.jboss.netty.channel.ChannelPipelineFactory, Master, MasterClient, org.neo4j.kernel.lifecycle.Lifecycle

Direct Known Subclasses:

MasterClient310

public class MasterClient214
extends org.neo4j.com.Client<Master>
implements MasterClient

The Master a slave should use to communicate with its master. It serializes requests and sends them to the master, more specifically MasterServer (which delegates to MasterImpl on the master side.

Nested Class Summary

Nested classes/interfaces inherited from interface org.neo4j.kernel.lifecycle.Lifecycle

org.neo4j.kernel.lifecycle.Lifecycle.Delegate

Field Summary

Fields

Modifier and Type	Field and Description
static org.neo4j.com.Deserializer<LockResult>	LOCK_RESULT_DESERIALIZER
static org.neo4j.com.ObjectSerializer<LockResult>	LOCK_RESULT_OBJECT_SERIALIZER
static org.neo4j.com.ProtocolVersion	PROTOCOL_VERSION

Fields inherited from class org.neo4j.com.Client

DEFAULT_MAX_NUMBER_OF_CONCURRENT_CHANNELS_PER_CLIENT, DEFAULT_READ_RESPONSE_TIMEOUT_SECONDS

Fields inherited from interface org.neo4j.kernel.ha.com.slave.MasterClient

CURRENT

Constructor Summary

Constructors

Constructor and Description

MasterClient214(String destinationHostNameOrIp, int destinationPort, String originHostNameOrIp, org.neo4j.logging.LogProvider logProvider, org.neo4j.kernel.impl.store.StoreId storeId, long readTimeoutMillis, long lockReadTimeoutMillis, int maxConcurrentChannels, int chunkSize, org.neo4j.com.storecopy.ResponseUnpacker responseUnpacker, org.neo4j.kernel.monitoring.ByteCounterMonitor byteCounterMonitor, org.neo4j.com.monitor.RequestMonitor requestMonitor, org.neo4j.kernel.impl.transaction.log.entry.LogEntryReader<org.neo4j.kernel.impl.transaction.log.ReadableClosablePositionAwareChannel> entryReader)

Method Summary

Modifier and Type	Method and Description
org.neo4j.com.Response<LockResult>	acquireExclusiveLock(org.neo4j.com.RequestContext context, org.neo4j.storageengine.api.lock.ResourceType type, long... resourceIds)
org.neo4j.com.Response<LockResult>	acquireSharedLock(org.neo4j.com.RequestContext context, org.neo4j.storageengine.api.lock.ResourceType type, long... resourceIds)
org.neo4j.com.Response<IdAllocation>	allocateIds(org.neo4j.com.RequestContext context, org.neo4j.kernel.impl.store.id.IdType idType)
org.neo4j.com.Response<Long>	commit(org.neo4j.com.RequestContext context, org.neo4j.kernel.impl.transaction.TransactionRepresentation tx) Calling this method will validate, persist to log and apply changes to stores on the master.
org.neo4j.com.Response<Void>	copyStore(org.neo4j.com.RequestContext context, org.neo4j.com.storecopy.StoreWriter writer)
org.neo4j.com.Response<Integer>	createLabel(org.neo4j.com.RequestContext context, String name)
org.neo4j.com.Deserializer<LockResult>	createLockResultDeserializer()
org.neo4j.com.ObjectSerializer<LockResult>	createLockResultSerializer()
org.neo4j.com.Response<Integer>	createPropertyKey(org.neo4j.com.RequestContext context, String name)
org.neo4j.com.Response<Integer>	createRelationshipType(org.neo4j.com.RequestContext context, String name)
org.neo4j.com.Response<Void>	endLockSession(org.neo4j.com.RequestContext context, boolean success) Calling this will end the current lock session (identified by the RequestContext), releasing all cluster-global locks held.
org.neo4j.com.ProtocolVersion	getProtocolVersion()
org.neo4j.com.Response<HandshakeResult>	handshake(long txId, org.neo4j.kernel.impl.store.StoreId storeId) Gets the master id for a given txId, also a checksum for that tx.
org.neo4j.com.Response<Void>	newLockSession(org.neo4j.com.RequestContext context) Calling this method will create a new session with the cluster lock manager and associate that session with the provided RequestContext.
org.neo4j.com.Response<Void>	pullUpdates(org.neo4j.com.RequestContext context)
org.neo4j.com.Response<Void>	pullUpdates(org.neo4j.com.RequestContext context, org.neo4j.com.storecopy.ResponseUnpacker.TxHandler txHandler)

Methods inherited from class org.neo4j.com.Client

getPipeline, setComExceptionHandler, start, stop, toString

Methods inherited from class org.neo4j.kernel.lifecycle.LifecycleAdapter

init, shutdown

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.neo4j.kernel.ha.com.slave.MasterClient

setComExceptionHandler

Field Detail

PROTOCOL_VERSION

public static final org.neo4j.com.ProtocolVersion PROTOCOL_VERSION

LOCK_RESULT_OBJECT_SERIALIZER

public static final org.neo4j.com.ObjectSerializer<LockResult> LOCK_RESULT_OBJECT_SERIALIZER

LOCK_RESULT_DESERIALIZER

public static final org.neo4j.com.Deserializer<LockResult> LOCK_RESULT_DESERIALIZER

Constructor Detail

MasterClient214

public MasterClient214(String destinationHostNameOrIp,
                       int destinationPort,
                       String originHostNameOrIp,
                       org.neo4j.logging.LogProvider logProvider,
                       org.neo4j.kernel.impl.store.StoreId storeId,
                       long readTimeoutMillis,
                       long lockReadTimeoutMillis,
                       int maxConcurrentChannels,
                       int chunkSize,
                       org.neo4j.com.storecopy.ResponseUnpacker responseUnpacker,
                       org.neo4j.kernel.monitoring.ByteCounterMonitor byteCounterMonitor,
                       org.neo4j.com.monitor.RequestMonitor requestMonitor,
                       org.neo4j.kernel.impl.transaction.log.entry.LogEntryReader<org.neo4j.kernel.impl.transaction.log.ReadableClosablePositionAwareChannel> entryReader)

Method Detail

getProtocolVersion

public org.neo4j.com.ProtocolVersion getProtocolVersion()

Specified by:

getProtocolVersion in interface MasterClient

Specified by:

getProtocolVersion in class org.neo4j.com.Client<Master>

createLockResultSerializer

public org.neo4j.com.ObjectSerializer<LockResult> createLockResultSerializer()

Specified by:

createLockResultSerializer in interface MasterClient

createLockResultDeserializer

public org.neo4j.com.Deserializer<LockResult> createLockResultDeserializer()

Specified by:

createLockResultDeserializer in interface MasterClient

allocateIds

public org.neo4j.com.Response<IdAllocation> allocateIds(org.neo4j.com.RequestContext context,
                                                        org.neo4j.kernel.impl.store.id.IdType idType)

Specified by:

allocateIds in interface Master

createRelationshipType

public org.neo4j.com.Response<Integer> createRelationshipType(org.neo4j.com.RequestContext context,
                                                              String name)

Specified by:

createRelationshipType in interface Master

Specified by:

createRelationshipType in interface MasterClient

createPropertyKey

public org.neo4j.com.Response<Integer> createPropertyKey(org.neo4j.com.RequestContext context,
                                                         String name)

Specified by:

createPropertyKey in interface Master

createLabel

public org.neo4j.com.Response<Integer> createLabel(org.neo4j.com.RequestContext context,
                                                   String name)

Specified by:

createLabel in interface Master

newLockSession

public org.neo4j.com.Response<Void> newLockSession(org.neo4j.com.RequestContext context)

Description copied from interface: Master

Calling this method will create a new session with the cluster lock manager and associate that session with the provided RequestContext.

Specified by:

newLockSession in interface Master

Specified by:

newLockSession in interface MasterClient

acquireSharedLock

public org.neo4j.com.Response<LockResult> acquireSharedLock(org.neo4j.com.RequestContext context,
                                                            org.neo4j.storageengine.api.lock.ResourceType type,
                                                            long... resourceIds)

Specified by:

acquireSharedLock in interface Master

acquireExclusiveLock

public org.neo4j.com.Response<LockResult> acquireExclusiveLock(org.neo4j.com.RequestContext context,
                                                               org.neo4j.storageengine.api.lock.ResourceType type,
                                                               long... resourceIds)

Specified by:

acquireExclusiveLock in interface Master

commit

public org.neo4j.com.Response<Long> commit(org.neo4j.com.RequestContext context,
                                           org.neo4j.kernel.impl.transaction.TransactionRepresentation tx)

Description copied from interface: Master

Calling this method will validate, persist to log and apply changes to stores on the master.

Specified by:

commit in interface Master

Specified by:

commit in interface MasterClient

endLockSession

public org.neo4j.com.Response<Void> endLockSession(org.neo4j.com.RequestContext context,
                                                   boolean success)

Description copied from interface: Master

Calling this will end the current lock session (identified by the RequestContext), releasing all cluster-global locks held.

Specified by:

endLockSession in interface Master

pullUpdates

public org.neo4j.com.Response<Void> pullUpdates(org.neo4j.com.RequestContext context)

Specified by:

pullUpdates in interface Master

Specified by:

pullUpdates in interface MasterClient

pullUpdates

public org.neo4j.com.Response<Void> pullUpdates(org.neo4j.com.RequestContext context,
                                                org.neo4j.com.storecopy.ResponseUnpacker.TxHandler txHandler)

Specified by:

pullUpdates in interface MasterClient

handshake

public org.neo4j.com.Response<HandshakeResult> handshake(long txId,
                                                         org.neo4j.kernel.impl.store.StoreId storeId)

Description copied from interface: Master

Gets the master id for a given txId, also a checksum for that tx.

Specified by:

handshake in interface Master

Parameters:

txId - the transaction id to get the data for.

storeId - clients store id.

Returns:

the master id for a given txId, also a checksum for that tx.

copyStore

public org.neo4j.com.Response<Void> copyStore(org.neo4j.com.RequestContext context,
                                              org.neo4j.com.storecopy.StoreWriter writer)

Specified by:

copyStore in interface Master

Specified by:

copyStore in interface MasterClient