groovyx.gpars.dataflow.impl
[Java] Class GuardedSelectRequest
java.lang.Object
groovyx.gpars.dataflow.impl.GuardedSelectRequest
- All Implemented Interfaces:
- SelectRequest
public abstract class GuardedSelectRequest
The base implementation of the SelectRequest interface, providing a useful default masking (guarding) functionality.
Whenever invoking a select, guards can be specified, reducing the set of all input channels of the Select to consider in the given request.
- Authors:
- Vaclav Pech
Date: 30th Sep 2010
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Field Summary |
private java.util.List |
mask
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Constructor Summary |
GuardedSelectRequest(java.util.List mask)
- Parameters:
mask - The list of boolean flags indicating which position should be matched against.
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Method Summary |
boolean
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matchesMask(int index)
Detects, whether the channel at the given index is guarded or not.
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Methods inherited from class java.lang.Object
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| java.lang.Object#wait(long), java.lang.Object#wait(), java.lang.Object#wait(long, int), java.lang.Object#equals(java.lang.Object), java.lang.Object#toString(), java.lang.Object#hashCode(), java.lang.Object#getClass(), java.lang.Object#notify(), java.lang.Object#notifyAll() |
mask
private final java.util.List mask
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GuardedSelectRequest
@SuppressWarnings({"ConstructorNotProtectedInAbstractClass", "AssignmentToCollectionOrArrayFieldFromParameter"})
public GuardedSelectRequest(java.util.List mask)
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- Parameters:
mask - The list of boolean flags indicating which position should be matched against. All indexes match against a null mask
matchesMask
@Override
public boolean matchesMask(int index)
- Detects, whether the channel at the given index is guarded or not.
- Parameters:
index - The index of the input channel to check for guard
- Returns:
- True, if the channel's guard is true or no guards were set and so the channel should be included in the current select operation
Copyright © 2008–2012 Václav Pech. All Rights Reserved.