org.neo4j.storageengine.api

Interface StorageCommand

public interface StorageCommand

A command representing one unit of change to a StorageEngine. Commands are created by StorageEngine.createCommands(Collection, ReadableTransactionState, StorageStatement, ResourceLocker, long) and once created can be serialized onto a WritableChannel and/or passed back to StorageEngine.apply(CommandsToApply, TransactionApplicationMode) for application where the changes represented by the command are actually applied onto storage.

Method Summary

Modifier and Type	Method and Description
void	serialize(WritableChannel channel) Serializes change this command represents into a WritableChannel for later reading back.

Method Detail

serialize

void serialize(WritableChannel channel)
        throws IOException

Serializes change this command represents into a WritableChannel for later reading back. First byte of command must be type of command.

Parameters:

channel - WritableChannel to serialize into.

Throws:

IOException - I/O error from channel.