org.neo4j.kernel.ha
Interface Master

All Known Implementing Classes:

MasterClient, MasterImpl

public interface Master

Represents the master-side of the HA communication between master and slave. A master will receive calls to these methods from slaves when they do stuff.

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 dsName, 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 myStoreId) Gets the master id for a given txId, also a checksum for that tx.
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)
void	shutdown()

Method Detail

allocateIds

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

createRelationshipType

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

initializeTx

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

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

acquireNodeWriteLock

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

acquireNodeReadLock

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

acquireGraphWriteLock

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

acquireGraphReadLock

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

acquireRelationshipWriteLock

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

acquireRelationshipReadLock

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

commitSingleResourceTransaction

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

finishTransaction

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

pullUpdates

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

getMasterIdForCommittedTx

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

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

Parameters:

txId - the transaction id to get the data for.

myStoreId - clients store id.

Returns:

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

copyStore

org.neo4j.com.Response<Void> copyStore(org.neo4j.com.SlaveContext context,
                                       org.neo4j.com.StoreWriter writer)

copyTransactions

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

shutdown

void shutdown()

acquireIndexWriteLock

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

acquireIndexReadLock

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