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//////////////////////////////////////////////////////////////////////
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// JCSP ("CSP for Java") Libraries //
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// Copyright (C) 1996-2008 Peter Welch and Paul Austin. //
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// 2001-2004 Quickstone Technologies Limited. //
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// This library is free software; you can redistribute it and/or //
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// modify it under the terms of the GNU Lesser General Public //
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// License as published by the Free Software Foundation; either //
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// version 2.1 of the License, or (at your option) any later //
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// This library is distributed in the hope that it will be //
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// useful, but WITHOUT ANY WARRANTY; without even the implied //
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// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR //
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// PURPOSE. See the GNU Lesser General Public License for more //
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// You should have received a copy of the GNU Lesser General //
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// Public License along with this library; if not, write to the //
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// Free Software Foundation, Inc., 59 Temple Place, Suite 330, //
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// Boston, MA 02111-1307, USA. //
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// Author contact: P.H.Welch@kent.ac.uk //
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//////////////////////////////////////////////////////////////////////
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package org.jcsp.lang;
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class AltingChannelInputIntImpl extends AltingChannelInputInt {
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private ChannelInternalsInt channel;
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AltingChannelInputIntImpl(ChannelInternalsInt _channel, int _immunity) {
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public boolean pending() {
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return channel.readerPending();
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return channel.readerDisable();
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boolean enable(Alternative alt) {
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return channel.readerEnable(alt);
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public void endRead() {
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return channel.read();
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public int startRead() {
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return channel.startRead();
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public void poison(int strength) {
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if (strength > immunity) {
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channel.readerPoison(strength);