groovyx.gpars.dataflow.impl
Interface SelectRequest<T>

All Known Implementing Classes:

GuardedSelectRequest

public interface SelectRequest<T>

Represents a request for value from a select. Each request holds a list of guards (boolean flags) to indicate, which input channels of the select should be queried, and a routine to invoke once a value is available.

Author:

Vaclav Pech Date: 30th Sep 2010

Method Summary

boolean	matchesMask(int index) Checks, whether the given index should be queried for value or not.
void	valueFound(int index, T value) Invoked, when a value has been found bound to any of the input channels monitored by the select.

Method Detail

matchesMask

boolean matchesMask(int index)

Checks, whether the given index should be queried for value or not.

Parameters:

index - The index of the input channel to check for guard

Returns:

True, it the select user is interested in values from the channel represented by the provided index

valueFound

void valueFound(int index,
                T value)

Invoked, when a value has been found bound to any of the input channels monitored by the select.

Parameters:

index - The index of the input channel

value - The value obtained from the channel