org.neo4j.kernel.ha

Class MasterClient20

java.lang.Object

org.neo4j.kernel.lifecycle.LifecycleAdapter

org.neo4j.com.Client<Master>

org.neo4j.kernel.ha.MasterClient20

All Implemented Interfaces:

org.jboss.netty.channel.ChannelPipelineFactory, Master, MasterClient, Lifecycle

public class MasterClient20
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.

Field Summary

Fields

Modifier and Type	Field and Description
static byte	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

LOCK_RESULT_DESERIALIZER, LOCK_SERIALIZER

Constructor Summary

Constructors

Constructor and Description
MasterClient20(String hostNameOrIp, int port, Logging logging, org.neo4j.kernel.impl.nioneo.store.StoreId storeId, long readTimeoutSeconds, long lockReadTimeout, int maxConcurrentChannels, int chunkSize)
MasterClient20(URI masterUri, Logging logging, org.neo4j.kernel.impl.nioneo.store.StoreId storeId, Config config)

Method Summary

Methods

Modifier and Type	Method and Description
org.neo4j.com.Response<LockResult>	acquireGraphReadLock(org.neo4j.com.RequestContext context)
org.neo4j.com.Response<LockResult>	acquireGraphWriteLock(org.neo4j.com.RequestContext context)
org.neo4j.com.Response<LockResult>	acquireIndexEntryWriteLock(org.neo4j.com.RequestContext context, long labelId, long propertyKeyId, String propertyValue)
org.neo4j.com.Response<LockResult>	acquireIndexReadLock(org.neo4j.com.RequestContext context, String index, String key)
org.neo4j.com.Response<LockResult>	acquireIndexWriteLock(org.neo4j.com.RequestContext context, String index, String key)
org.neo4j.com.Response<LockResult>	acquireNodeReadLock(org.neo4j.com.RequestContext context, long... nodes)
org.neo4j.com.Response<LockResult>	acquireNodeWriteLock(org.neo4j.com.RequestContext context, long... nodes)
org.neo4j.com.Response<LockResult>	acquireRelationshipReadLock(org.neo4j.com.RequestContext context, long... relationships)
org.neo4j.com.Response<LockResult>	acquireRelationshipWriteLock(org.neo4j.com.RequestContext context, long... relationships)
org.neo4j.com.Response<LockResult>	acquireSchemaReadLock(org.neo4j.com.RequestContext context)
org.neo4j.com.Response<LockResult>	acquireSchemaWriteLock(org.neo4j.com.RequestContext context)
org.neo4j.com.Response<IdAllocation>	allocateIds(IdType idType)
org.neo4j.com.Response<Long>	commitSingleResourceTransaction(org.neo4j.com.RequestContext context, String resource, org.neo4j.com.TxExtractor txGetter)
org.neo4j.com.Response<Void>	copyStore(org.neo4j.com.RequestContext context, org.neo4j.com.StoreWriter writer)
org.neo4j.com.Response<Void>	copyTransactions(org.neo4j.com.RequestContext context, String ds, long startTxId, long endTxId)
org.neo4j.com.Response<Integer>	createLabel(org.neo4j.com.RequestContext context, String name)
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>	finishTransaction(org.neo4j.com.RequestContext context, boolean success)
org.neo4j.com.Response<Pair<Integer,Long>>	getMasterIdForCommittedTx(long txId, org.neo4j.kernel.impl.nioneo.store.StoreId storeId) Gets the master id for a given txId, also a checksum for that tx.
org.neo4j.com.Response<Void>	initializeTx(org.neo4j.com.RequestContext context) Called when the first write operation of lock is performed for a transaction.
org.neo4j.com.Response<Void>	pullUpdates(org.neo4j.com.RequestContext context)
org.neo4j.com.Response<Void>	pushTransaction(org.neo4j.com.RequestContext context, String resourceName, long tx)
void	rollbackOngoingTransactions(org.neo4j.com.RequestContext context)

Methods inherited from class org.neo4j.com.Client

addMismatchingVersionHandler, getPipeline, 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

addMismatchingVersionHandler

Field Detail

PROTOCOL_VERSION

public static final byte PROTOCOL_VERSION

See Also:

Constant Field Values

Constructor Detail

MasterClient20

public MasterClient20(String hostNameOrIp,
              int port,
              Logging logging,
              org.neo4j.kernel.impl.nioneo.store.StoreId storeId,
              long readTimeoutSeconds,
              long lockReadTimeout,
              int maxConcurrentChannels,
              int chunkSize)

MasterClient20

public MasterClient20(URI masterUri,
              Logging logging,
              org.neo4j.kernel.impl.nioneo.store.StoreId storeId,
              Config config)

Method Detail

allocateIds

public org.neo4j.com.Response<IdAllocation> allocateIds(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

initializeTx

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

Description copied from interface: Master

Called when the first write operation of lock is performed for a transaction.

Specified by:

initializeTx in interface Master

Specified by:

initializeTx in interface MasterClient

acquireNodeWriteLock

public org.neo4j.com.Response<LockResult> acquireNodeWriteLock(org.neo4j.com.RequestContext context,
                                                      long... nodes)

Specified by:

acquireNodeWriteLock in interface Master

acquireNodeReadLock

public org.neo4j.com.Response<LockResult> acquireNodeReadLock(org.neo4j.com.RequestContext context,
                                                     long... nodes)

Specified by:

acquireNodeReadLock in interface Master

Specified by:

acquireNodeReadLock in interface MasterClient

acquireRelationshipWriteLock

public org.neo4j.com.Response<LockResult> acquireRelationshipWriteLock(org.neo4j.com.RequestContext context,
                                                              long... relationships)

Specified by:

acquireRelationshipWriteLock in interface Master

Specified by:

acquireRelationshipWriteLock in interface MasterClient

acquireRelationshipReadLock

public org.neo4j.com.Response<LockResult> acquireRelationshipReadLock(org.neo4j.com.RequestContext context,
                                                             long... relationships)

Specified by:

acquireRelationshipReadLock in interface Master

Specified by:

acquireRelationshipReadLock in interface MasterClient

acquireGraphWriteLock

public org.neo4j.com.Response<LockResult> acquireGraphWriteLock(org.neo4j.com.RequestContext context)

Specified by:

acquireGraphWriteLock in interface Master

Specified by:

acquireGraphWriteLock in interface MasterClient

acquireGraphReadLock

public org.neo4j.com.Response<LockResult> acquireGraphReadLock(org.neo4j.com.RequestContext context)

Specified by:

acquireGraphReadLock in interface Master

Specified by:

acquireGraphReadLock in interface MasterClient

acquireIndexReadLock

public org.neo4j.com.Response<LockResult> acquireIndexReadLock(org.neo4j.com.RequestContext context,
                                                      String index,
                                                      String key)

Specified by:

acquireIndexReadLock in interface Master

Specified by:

acquireIndexReadLock in interface MasterClient

acquireIndexWriteLock

public org.neo4j.com.Response<LockResult> acquireIndexWriteLock(org.neo4j.com.RequestContext context,
                                                       String index,
                                                       String key)

Specified by:

acquireIndexWriteLock in interface Master

Specified by:

acquireIndexWriteLock in interface MasterClient

acquireSchemaReadLock

public org.neo4j.com.Response<LockResult> acquireSchemaReadLock(org.neo4j.com.RequestContext context)

Specified by:

acquireSchemaReadLock in interface Master

acquireSchemaWriteLock

public org.neo4j.com.Response<LockResult> acquireSchemaWriteLock(org.neo4j.com.RequestContext context)

Specified by:

acquireSchemaWriteLock in interface Master

acquireIndexEntryWriteLock

public org.neo4j.com.Response<LockResult> acquireIndexEntryWriteLock(org.neo4j.com.RequestContext context,
                                                            long labelId,
                                                            long propertyKeyId,
                                                            String propertyValue)

Specified by:

acquireIndexEntryWriteLock in interface Master

commitSingleResourceTransaction

public org.neo4j.com.Response<Long> commitSingleResourceTransaction(org.neo4j.com.RequestContext context,
                                                           String resource,
                                                           org.neo4j.com.TxExtractor txGetter)

Specified by:

commitSingleResourceTransaction in interface Master

Specified by:

commitSingleResourceTransaction in interface MasterClient

finishTransaction

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

Specified by:

finishTransaction in interface Master

Specified by:

finishTransaction in interface MasterClient

rollbackOngoingTransactions

public void rollbackOngoingTransactions(org.neo4j.com.RequestContext context)

Specified by:

rollbackOngoingTransactions in interface MasterClient

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

getMasterIdForCommittedTx

public org.neo4j.com.Response<Pair<Integer,Long>> getMasterIdForCommittedTx(long txId,
                                                                   org.neo4j.kernel.impl.nioneo.store.StoreId storeId)

Description copied from interface: Master

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

Specified by:

getMasterIdForCommittedTx 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.StoreWriter writer)

Specified by:

copyStore in interface Master

Specified by:

copyStore in interface MasterClient

copyTransactions

public org.neo4j.com.Response<Void> copyTransactions(org.neo4j.com.RequestContext context,
                                            String ds,
                                            long startTxId,
                                            long endTxId)

Specified by:

copyTransactions in interface Master

Specified by:

copyTransactions in interface MasterClient

pushTransaction

public org.neo4j.com.Response<Void> pushTransaction(org.neo4j.com.RequestContext context,
                                           String resourceName,
                                           long tx)

Specified by:

pushTransaction in interface Master