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/* |
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Copyright @ 1999-2003, The Institute for Genomic Research (TIGR). |
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All rights reserved. |
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*/ |
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/* |
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* $RCSfile: TMEVAlgorithmFactory.java,v $ |
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* $Revision: 1.4 $ |
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* $Date: 2006/02/23 20:59:41 $ |
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* $Author: caliente $ |
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* $State: Exp $ |
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*/ |
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package org.tigr.microarray.mev; |
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|
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import java.util.StringTokenizer; |
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|
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import org.tigr.microarray.mev.cluster.algorithm.Algorithm; |
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import org.tigr.microarray.mev.cluster.algorithm.AlgorithmException; |
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import org.tigr.microarray.mev.cluster.algorithm.AlgorithmFactory; |
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import org.tigr.remote.RemoteAlgorithm; |
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import org.tigr.remote.communication.CommunicatorFactory; |
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import org.tigr.util.ConfMap; |
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|
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public class TMEVAlgorithmFactory implements AlgorithmFactory { |
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|
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private ConfMap cfg; |
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private AlgorithmFactory localFactory; |
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private boolean isRemoteEnabled = false; |
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|
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/** |
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* Constructs a <code>TMEVAlgorithmFactory</code> using specified |
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* configuration. |
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* @see ConfMap |
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*/ |
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public TMEVAlgorithmFactory(ConfMap cfg) { |
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this.cfg = cfg; |
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// local |
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String className = cfg.getString("algorithm.factory.class"); |
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if (className != null && !className.equals("null")) { |
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try { |
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Class clazz = Class.forName(className); |
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localFactory = (AlgorithmFactory)clazz.newInstance(); |
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} catch (Exception e) { |
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System.out.println("Local factory not available, check the 'algorithm.factory.class' key in cfg file."); |
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e.printStackTrace(); |
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} |
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} else { |
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System.out.println("Local factory not available, check the 'algorithm.factory.class' key in cfg file."); |
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} |
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// remote |
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try { |
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CommunicatorFactory.init(cfg); |
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this.isRemoteEnabled = true; |
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} catch (Exception e) { |
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System.out.println("Failed to configure remote execution."); |
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e.printStackTrace(); |
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} |
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} |
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|
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/** |
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* Returns an instance of algorithm by its name. |
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* @throws AlgorithmException if specified algo is not accessible. |
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*/ |
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public Algorithm getAlgorithm(String name) throws AlgorithmException { |
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if (name == null) { |
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throw new AlgorithmException("Algorithm name expected."); |
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} |
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if (isRemote(name)) { |
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if (this.isRemoteEnabled) { |
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return new RemoteAlgorithm(name); |
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} |
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throw new AlgorithmException("Remote execution not available."); |
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} |
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if (this.localFactory == null) { |
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throw new AlgorithmException("Local execution not available."); |
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} |
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return this.localFactory.getAlgorithm(name); |
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} |
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|
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/** |
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* Returns true if algorithm with a specified name was configured |
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* as remote. |
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*/ |
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private boolean isRemote(String name) { |
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String remoute = this.cfg.getString("algorithm.remote"); |
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if (remoute == null) { |
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return false; |
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} |
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StringTokenizer tokenizer = new StringTokenizer(remoute, ":"); |
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String str; |
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while (tokenizer.hasMoreTokens()) { |
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str = tokenizer.nextToken(); |
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if (str.trim().toUpperCase().equals(name.toUpperCase())) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |