org.neo4j.kernel.ha
Class MasterClient

java.lang.Object
  org.neo4j.com.Client<Master>
      org.neo4j.kernel.ha.MasterClient

All Implemented Interfaces:

org.jboss.netty.channel.ChannelPipelineFactory, Master

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

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

protected static class	MasterClient.AcquireIndexLockSerializer
protected static class	MasterClient.AcquireLockSerializer
static class	MasterClient.HaRequestType

Nested classes/interfaces inherited from class org.neo4j.com.Client

org.neo4j.com.Client.ConnectionLostHandler

Field Summary

protected static org.neo4j.com.Deserializer<LockResult>

LOCK_RESULT_DESERIALIZER

Fields inherited from class org.neo4j.com.Client

DEFAULT_MAX_NUMBER_OF_CONCURRENT_CHANNELS_PER_CLIENT, DEFAULT_READ_RESPONSE_TIMEOUT_SECONDS, NO_STORE_ID_GETTER

Constructor Summary

MasterClient(String hostNameOrIp, int port, org.neo4j.kernel.impl.util.StringLogger stringLogger, org.neo4j.com.StoreIdGetter storeIdGetter, org.neo4j.com.Client.ConnectionLostHandler connectionLostHandler, int readTimeoutSeconds, int lockReadTimeout, int maxConcurrentChannels)

Method Summary

org.neo4j.com.Response<LockResult>	acquireGraphReadLock(org.neo4j.com.SlaveContext context)
org.neo4j.com.Response<LockResult>	acquireGraphWriteLock(org.neo4j.com.SlaveContext context)
org.neo4j.com.Response<LockResult>	acquireIndexReadLock(org.neo4j.com.SlaveContext context, String index, String key)
org.neo4j.com.Response<LockResult>	acquireIndexWriteLock(org.neo4j.com.SlaveContext context, String index, String key)
org.neo4j.com.Response<LockResult>	acquireNodeReadLock(org.neo4j.com.SlaveContext context, long... nodes)
org.neo4j.com.Response<LockResult>	acquireNodeWriteLock(org.neo4j.com.SlaveContext context, long... nodes)
org.neo4j.com.Response<LockResult>	acquireRelationshipReadLock(org.neo4j.com.SlaveContext context, long... relationships)
org.neo4j.com.Response<LockResult>	acquireRelationshipWriteLock(org.neo4j.com.SlaveContext context, long... relationships)
org.neo4j.com.Response<IdAllocation>	allocateIds(org.neo4j.kernel.IdType idType)
org.neo4j.com.Response<Long>	commitSingleResourceTransaction(org.neo4j.com.SlaveContext context, String resource, org.neo4j.com.TxExtractor txGetter)
org.neo4j.com.Response<Void>	copyStore(org.neo4j.com.SlaveContext context, org.neo4j.com.StoreWriter writer)
org.neo4j.com.Response<Void>	copyTransactions(org.neo4j.com.SlaveContext context, String ds, long startTxId, long endTxId)
org.neo4j.com.Response<Integer>	createRelationshipType(org.neo4j.com.SlaveContext context, String name)
org.neo4j.com.Response<Void>	finishTransaction(org.neo4j.com.SlaveContext context, boolean success)
org.neo4j.com.Response<org.neo4j.helpers.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.
protected int	getReadTimeout(org.neo4j.com.RequestType<Master> type, int readTimeout)
org.neo4j.com.Response<Void>	initializeTx(org.neo4j.com.SlaveContext context) Called when the first write operation of lock is performed for a transaction.
org.neo4j.com.Response<Void>	pullUpdates(org.neo4j.com.SlaveContext context)
protected static IdAllocation	readIdAllocation(org.jboss.netty.buffer.ChannelBuffer buffer)
void	rollbackOngoingTransactions(org.neo4j.com.SlaveContext context)
protected boolean	shouldCheckStoreId(org.neo4j.com.RequestType<Master> type)

Methods inherited from class org.neo4j.com.Client

closeChannel, getInternalProtocolVersion, getMyStoreId, getPipeline, readTransactionStreamHeader, readTransactionStreams, releaseChannel, sendRequest, sendRequest, shutdown, storeIdGetterForDb, toString, writeContext

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.neo4j.kernel.ha.Master

shutdown

Field Detail

LOCK_RESULT_DESERIALIZER

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

Constructor Detail

MasterClient

public MasterClient(String hostNameOrIp,
                    int port,
                    org.neo4j.kernel.impl.util.StringLogger stringLogger,
                    org.neo4j.com.StoreIdGetter storeIdGetter,
                    org.neo4j.com.Client.ConnectionLostHandler connectionLostHandler,
                    int readTimeoutSeconds,
                    int lockReadTimeout,
                    int maxConcurrentChannels)

Method Detail

getReadTimeout

protected int getReadTimeout(org.neo4j.com.RequestType<Master> type,
                             int readTimeout)

Overrides:

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

shouldCheckStoreId

protected boolean shouldCheckStoreId(org.neo4j.com.RequestType<Master> type)

Overrides:

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

allocateIds

public org.neo4j.com.Response<IdAllocation> allocateIds(org.neo4j.kernel.IdType idType)

Specified by:

allocateIds in interface Master

createRelationshipType

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

Specified by:

createRelationshipType in interface Master

initializeTx

public org.neo4j.com.Response<Void> initializeTx(org.neo4j.com.SlaveContext 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

acquireNodeWriteLock

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

Specified by:

acquireNodeWriteLock in interface Master

acquireNodeReadLock

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

Specified by:

acquireNodeReadLock in interface Master

acquireRelationshipWriteLock

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

Specified by:

acquireRelationshipWriteLock in interface Master

acquireRelationshipReadLock

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

Specified by:

acquireRelationshipReadLock in interface Master

acquireGraphWriteLock

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

Specified by:

acquireGraphWriteLock in interface Master

acquireGraphReadLock

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

Specified by:

acquireGraphReadLock in interface Master

acquireIndexReadLock

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

Specified by:

acquireIndexReadLock in interface Master

acquireIndexWriteLock

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

Specified by:

acquireIndexWriteLock in interface Master

commitSingleResourceTransaction

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

Specified by:

commitSingleResourceTransaction in interface Master

finishTransaction

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

Specified by:

finishTransaction in interface Master

rollbackOngoingTransactions

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

pullUpdates

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

Specified by:

pullUpdates in interface Master

getMasterIdForCommittedTx

public org.neo4j.com.Response<org.neo4j.helpers.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.SlaveContext context,
                                              org.neo4j.com.StoreWriter writer)

Specified by:

copyStore in interface Master

copyTransactions

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

Specified by:

copyTransactions in interface Master

readIdAllocation

protected static IdAllocation readIdAllocation(org.jboss.netty.buffer.ChannelBuffer buffer)