fabric.messages
Class UnauthenticatedPrepareTransactionMessage

java.lang.Object
  fabric.messages.Message<RemoteStore,UnauthenticatedPrepareTransactionMessage.Response>
      fabric.messages.UnauthenticatedPrepareTransactionMessage

public class UnauthenticatedPrepareTransactionMessage
extends Message<RemoteStore,UnauthenticatedPrepareTransactionMessage.Response>

A PrepareTransactionMessage represents a transaction request to a store.

Nested Class Summary

static class

UnauthenticatedPrepareTransactionMessage.Response

Nested classes/interfaces inherited from class fabric.messages.Message

Message.MessageType

Field Summary

long	commitTime
java.util.Collection<Object._Impl>	creates The objects created during the transaction, unserialized.
LongKeyMap<java.lang.Integer>	reads
java.util.Collection<SerializedObject>	serializedCreates The objects created during the transaction, serialized.
java.util.Collection<SerializedObject>	serializedWrites The objects modified during the transaction, serialized.
long	tid
java.util.Collection<Object._Impl>	writes The objects modified during the transaction, unserialized.

Fields inherited from class fabric.messages.Message

messageType

Constructor Summary

protected	UnauthenticatedPrepareTransactionMessage(java.io.DataInput in) Deserialization constructor.
	UnauthenticatedPrepareTransactionMessage(long tid, long commitTime) Used to prepare transactions at remote workers.
	UnauthenticatedPrepareTransactionMessage(long tid, long commitTime, java.util.Collection<Object._Impl> toCreate, LongKeyMap<java.lang.Integer> reads, java.util.Collection<Object._Impl> writes) Only used by the worker.

Method Summary

UnauthenticatedPrepareTransactionMessage.Response	dispatch(MessageHandlerThread w) Calls the appropriate handle(...) method on the handler.
UnauthenticatedPrepareTransactionMessage.Response	response(RemoteStore node, java.io.DataInput in) Creates a Response message of the appropriate type using the provided input stream.
UnauthenticatedPrepareTransactionMessage.Response	send(RemoteStore store)
void	write(java.io.DataOutput out) Writes this message out on the given output stream.

Methods inherited from class fabric.messages.Message

dispatch, receive, send

Methods inherited from class java.lang.Object

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

Field Detail

tid

public final long tid

commitTime

public final long commitTime

reads

public final LongKeyMap<java.lang.Integer> reads

creates

public final java.util.Collection<Object._Impl> creates

The objects created during the transaction, unserialized. This will only be non-null on the worker. The store should use the serializedCreates field instead.

serializedCreates

public final java.util.Collection<SerializedObject> serializedCreates

The objects created during the transaction, serialized. This will only be non-null on the store. The worker should use the creates field instead.

writes

public final java.util.Collection<Object._Impl> writes

The objects modified during the transaction, unserialized. This will only be non-null on the worker. The store should use the serializedWrites field instead.

serializedWrites

public final java.util.Collection<SerializedObject> serializedWrites

The objects modified during the transaction, serialized. This will only be non-null on the store. The worker should use the writes field instead.

Constructor Detail

UnauthenticatedPrepareTransactionMessage

public UnauthenticatedPrepareTransactionMessage(long tid,
                                                long commitTime)

Used to prepare transactions at remote workers.

UnauthenticatedPrepareTransactionMessage

public UnauthenticatedPrepareTransactionMessage(long tid,
                                                long commitTime,
                                                java.util.Collection<Object._Impl> toCreate,
                                                LongKeyMap<java.lang.Integer> reads,
                                                java.util.Collection<Object._Impl> writes)

Only used by the worker.

UnauthenticatedPrepareTransactionMessage

protected UnauthenticatedPrepareTransactionMessage(java.io.DataInput in)
                                            throws java.io.IOException

Deserialization constructor. Used only by the store.

Throws:

java.io.IOException

Method Detail

dispatch

public UnauthenticatedPrepareTransactionMessage.Response dispatch(MessageHandlerThread w)

Description copied from class: Message

Calls the appropriate handle(...) method on the handler.

Overrides:

dispatch in class Message<RemoteStore,UnauthenticatedPrepareTransactionMessage.Response>

Returns:

the result computed by the handler

send

public UnauthenticatedPrepareTransactionMessage.Response send(RemoteStore store)
                                                       throws UnreachableNodeException

Throws:

UnreachableNodeException

response

public UnauthenticatedPrepareTransactionMessage.Response response(RemoteStore node,
                                                                  java.io.DataInput in)
                                                           throws java.io.IOException

Description copied from class: Message

Creates a Response message of the appropriate type using the provided input stream.

Specified by:

response in class Message<RemoteStore,UnauthenticatedPrepareTransactionMessage.Response>

Parameters:

node - the remote node from which the response originated.

in - Input stream containing the message.

Returns:

A Response message with the appropriate type.

Throws:

java.io.IOException

write

public void write(java.io.DataOutput out)
           throws java.io.IOException

Description copied from class: Message

Writes this message out on the given output stream. Only used by the worker.

Specified by:

write in class Message<RemoteStore,UnauthenticatedPrepareTransactionMessage.Response>

Throws:

java.io.IOException - if the output stream throws an IOException.