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java.lang.Objectfabric.messages.Message<RemoteStore,DissemReadMessage.Response>
fabric.messages.DissemReadMessage
public final class DissemReadMessage
A DissemReadMessage
represents a request from a dissemination
node to read an object at a store. This implicitly subscribes the worker to
receive the next update to the object.
Nested Class Summary | |
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static class |
DissemReadMessage.Response
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Nested classes/interfaces inherited from class fabric.messages.Message |
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Message.MessageType |
Field Summary | |
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long |
onum
The onum of the object to read. |
Fields inherited from class fabric.messages.Message |
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messageType |
Constructor Summary | |
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protected |
DissemReadMessage(java.io.DataInput in)
Deserialization constructor. |
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DissemReadMessage(long onum)
Creates a read request for a worker. |
Method Summary | |
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DissemReadMessage.Response |
dispatch(MessageHandlerThread w)
Calls the appropriate handle(...) method on the handler. |
DissemReadMessage.Response |
response(RemoteStore c,
java.io.DataInput in)
Creates a Response message of the appropriate type using the provided input stream. |
DissemReadMessage.Response |
send(RemoteStore store)
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void |
write(java.io.DataOutput out)
Writes this message out on the given output stream. |
Methods inherited from class fabric.messages.Message |
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dispatch, receive, send |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public final long onum
Constructor Detail |
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public DissemReadMessage(long onum)
protected DissemReadMessage(java.io.DataInput in) throws java.io.IOException
java.io.IOException
Method Detail |
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public DissemReadMessage.Response dispatch(MessageHandlerThread w) throws AccessException
Message
handle(...)
method on the handler.
dispatch
in class Message<RemoteStore,DissemReadMessage.Response>
AccessException
public DissemReadMessage.Response send(RemoteStore store) throws FetchException
FetchException
public DissemReadMessage.Response response(RemoteStore c, java.io.DataInput in) throws java.io.IOException
Message
response
in class Message<RemoteStore,DissemReadMessage.Response>
c
- the remote node from which the response originated.in
- Input stream containing the message.
java.io.IOException
public void write(java.io.DataOutput out) throws java.io.IOException
Message
write
in class Message<RemoteStore,DissemReadMessage.Response>
java.io.IOException
- if the output stream throws an IOException.
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