com.dyuproject.protostuff
Class Pipe

java.lang.Object
  com.dyuproject.protostuff.Pipe

public abstract class Pipe
extends java.lang.Object

Transfers data from an Input to an Output. It is recommended to use pipe only to stream data coming from server-side services (e.g from your datastore/etc). Incoming data from the interwebs should not be piped due to validation/security purposes.

Author:

David Yu

Date created:

Oct 6, 2010

Nested Class Summary

static class

Pipe.Schema<T> Schema for transferring data from a source (Input) to a different sink (Output).

Field Summary

protected Input	input
protected Output	output

Constructor Summary

Pipe()

Method Summary

protected abstract Input	begin(Pipe.Schema<?> pipeSchema) Begin preliminary input processing.
protected abstract void	end(Pipe.Schema<?> pipeSchema, Input input, boolean cleanupOnly) End input processing.
protected Pipe	reset() Resets this pipe for re-use.
static <T> void	transferDirect(Pipe.Schema<T> pipeSchema, Pipe pipe, Input input, Output output) This should not be called directly by applications.

Methods inherited from class java.lang.Object

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

Field Detail

input

protected Input input

output

protected Output output

Constructor Detail

Pipe

public Pipe()

Method Detail

reset

protected Pipe reset()

Resets this pipe for re-use.

begin

protected abstract Input begin(Pipe.Schema<?> pipeSchema)
                        throws java.io.IOException

Begin preliminary input processing.

Throws:

java.io.IOException

end

protected abstract void end(Pipe.Schema<?> pipeSchema,
                            Input input,
                            boolean cleanupOnly)
                     throws java.io.IOException

End input processing. If cleanupOnly is true, the io processing ended prematurely hence the underlying pipe should cleanup/close all resources that need to be.

Throws:

java.io.IOException

transferDirect

public static <T> void transferDirect(Pipe.Schema<T> pipeSchema,
                                      Pipe pipe,
                                      Input input,
                                      Output output)
                           throws java.io.IOException

This should not be called directly by applications.

Throws:

java.io.IOException