Examples of ptolemy.domains.sdf.kernel.SDFReceiver

ptolemy.domains.sdf.kernel.SDFReceiver
A first-in, first-out (FIFO) queue receiver with variable capacity and optional history. Tokens are put into the receiver with the put() method, and removed from the receiver with the get() method. The token removed is the one placed in the receiver before any other (i.e. the "oldest", although this has nothing to do with time in the model. By default, the capacity is unbounded, but it can be set to any nonnegative size. If the history capacity is greater than zero (or infinite, indicated by a capacity of INFINITE_CAPACITY), then tokens removed from the receiver are stored in a history queue rather than simply removed. By default, the history capacity is zero. @author Steve Neuendorffer @version $Id: SDFReceiver.java,v 1.67 2005/10/24 19:09:11 cxh Exp $ @since Ptolemy II 0.2 @Pt.ProposedRating Green (neuendor) @Pt.AcceptedRating Green (neuendor) @see ArrayFIFOQueue

    /** Return a new receiver of a type compatible with this director.
     *  This returns an instance of SDFReceiver.
     *  @return A new SDFReceiver.
     */
    public Receiver newReceiver() {
        return new SDFReceiver();
    }

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                if (!(receivers[channel][copy] instanceof SDFReceiver)) {
                    // NOTE: This should only occur if it is null.
                    continue;
                }


                SDFReceiver receiver = (SDFReceiver) receivers[channel][copy];
                IOPort connectedPort = receivers[channel][copy].getContainer();
                ComponentEntity connectedActor = (ComponentEntity) connectedPort
                        .getContainer();


                // Increment the number of waiting tokens.
                receiver._waitingTokens += createdTokens;


                // Update the buffer size, if necessary.
                int capacity = receiver.getCapacity();


                if ((capacity == SDFReceiver.INFINITE_CAPACITY)
                        || (receiver._waitingTokens > capacity)) {
                    receiver.setCapacity(receiver._waitingTokens);
                }


                // Only proceed if the connected actor is
                // something we are scheduling.
                // The most notable time when this will not be

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        private Receiver _receiver;


        public DelegatingReceiver() {
            super();
            _receiver = new SDFReceiver();
        }

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        }


        public DelegatingReceiver(IOPort container)
                throws IllegalActionException {
            super(container);
            _receiver = new SDFReceiver(container);
        }

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