lookupservice.java

为了下东西 随便发了个 datamining 的源代码

    }
    if ( settings instanceof PartitioningClusteringSettings )
    {
      ServiceAlgorithmParameter[] sap = null;
      int npar = 3;
      sap = new ServiceAlgorithmParameter[npar];
      for (int i = 0; i < npar; i++) {
        sap[i] = new ServiceAlgorithmParameter();
        sap[i].setValue("");
        sap[i].setDomain(0);
        sap[i].setID("");
        sap[i].setChildIDs("");
      };

      sap[0].setName("linkage");
      sap[0].setType("int");
      sap[0].setValue("1");
      sap[0].setDescription("minimum links for vectors to belong to a cluster");
      sap[0].setStatus(0);

      sap[1].setName("threshold");
      sap[1].setType("double");
      sap[1].setValue("0.1");
      sap[1].setDescription("threshold for connecting clusters");
      sap[1].setStatus(0);

      sapVec.addElement(sap);
    }
    if (sapVec.size() == 0)
      throw new MiningException("unknown class of mining settings");

    // Assemble global SAP array from vectors:
    int nsap = 0;
    for (int i = 0; i < sapVec.size(); i++)
      nsap = nsap + sapVec.elementAt(i).length;

    int isap = 0;
    ServiceAlgorithmParameter[] sap = new ServiceAlgorithmParameter[nsap];
    for (int i = 0; i < sapVec.size(); i++) {
      ServiceAlgorithmParameter[] sp = sapVec.elementAt(i);
      for (int j = 0; j < sp.length; j++) {
        sap[isap] = sp[j];
        isap = isap + 1;
      };
    }

    return sap;
  }

  /**
   * Fills mining settings with values given by the array of service algorithm
   * parameters.
   *
   * Some settings require meta data assigned because some algorithm parameters
   * refer to mining attributes through their names.
   *
   * @param settings instance of mining settings class to be set
   * @param sap array of algorithm parameters we prescribed values
   * @throws MiningException
   */
  public static void buildMiningSettingsFromAlgorithmParam(MiningSettings settings,
    ServiceAlgorithmParameter[] sap) throws MiningException {

    MiningDataSpecification metaData = settings.getDataSpecification();

    try {
      if (settings instanceof AssociationRulesSettings) {
        AssociationRulesSettings sett = (AssociationRulesSettings)
            settings;
        for (int i = 0; i < sap.length; i++) {
          String name = sap[i].getName();
          if (name.equals("minimumSupport"))
          {
            String value = sap[i].getValue();
            sett.setMinimumSupport( Double.parseDouble(value) );
          }
          else
          if (name.equals("minimumConfidence"))
          {
            String value = sap[i].getValue();
            sett.setMinimumConfidence( Double.parseDouble(value) );
          }
          else
          if (name.equals("itemIdName"))
          {
            String value = sap[i].getValue();
            sett.setItemId( metaData.getMiningAttribute(value) );
          }
          else
          if (name.equals("transactionIdName"))
          {
            String value = sap[i].getValue();
            sett.setTransactionId( metaData.getMiningAttribute(value) );
          }
        };
      }
      if (settings instanceof SequentialSettings) {
        SequentialSettings sett = (SequentialSettings)
            settings;
        for (int i = 0; i < sap.length; i++) {
          String name = sap[i].getName();
          if (name.equals("minimumSupport"))
          {
            String value = sap[i].getValue();
            sett.setMinimumSupport( Double.parseDouble(value) );
          }
          else
          if (name.equals("generateRules"))
          {
            String value = sap[i].getValue();
            boolean bval = false;
            if (value.equals("true")) bval = true;
            sett.setGenerateRules( bval );
          }
          else
          if (name.equals("minimumConfidence"))
          {
            String value = sap[i].getValue();
            sett.setMinimumConfidence( Double.parseDouble(value) );
          }
          else
          if (name.equals("itemIdName"))
          {
            String value = sap[i].getValue();
            sett.setItemId( metaData.getMiningAttribute(value) );
          }
          else
          if (name.equals("transactionIdName"))
          {
            String value = sap[i].getValue();
            sett.setTransactionId( metaData.getMiningAttribute(value) );
          }
          else
          if (name.equals("itemIndexName"))
          {
            String value = sap[i].getValue();
            sett.setItemIndex( metaData.getMiningAttribute(value) );
          }
        }
      }
      if (settings instanceof CustomerSequentialSettings) {
          CustomerSequentialSettings sett = (CustomerSequentialSettings)
              settings;
          for (int i = 0; i < sap.length; i++) {
            String name = sap[i].getName();
            if (name.equals("minimumSupport"))
            {
              String value = sap[i].getValue();
              sett.setMinimumSupport( Double.parseDouble(value) );
            }
            else
            if (name.equals("generateRules"))
            {
              String value = sap[i].getValue();
              boolean bval = false;
              if (value.equals("true")) bval = true;
              sett.setGenerateRules( bval );
            }
            else
            if (name.equals("minimumConfidence"))
            {
              String value = sap[i].getValue();
              sett.setMinimumConfidence( Double.parseDouble(value) );
            }
            else
            if (name.equals("itemIdName"))
            {
              String value = sap[i].getValue();
              sett.setItemId( metaData.getMiningAttribute(value) );
            }
            else
            if (name.equals("transactionPositionName"))
            {
              String value = sap[i].getValue();
              sett.setTransactionPosition ( metaData.getMiningAttribute(value) );
            }
            else
            if (name.equals("customerIdName"))
            {
              String value = sap[i].getValue();
              sett.setCustomerId( metaData.getMiningAttribute(value) );
            }
          };
      }
      if (settings instanceof SupervisedMiningSettings) {
          SupervisedMiningSettings sett = (SupervisedMiningSettings)
              settings;
          for (int i = 0; i < sap.length; i++) {
            String name = sap[i].getName();
            if (name.equals("costFunction"))
            {
              String value = sap[i].getValue();
              sett.setCostFunction( value );
            }
            else
            if (name.equals("confidenceAttributeName"))
            {
              String value = sap[i].getValue();
              sett.setConfidenceAttributeName( value );
            }
            else
            if (name.equals("predictedAttributeName"))
            {
              String value = sap[i].getValue();
              sett.setPredictedAttributeName( value );
            }
            else
            if (name.equals("targetName"))
            {
              String value = sap[i].getValue();
              sett.setTarget( metaData.getMiningAttribute(value) );
            }
          };
      }
      if (settings instanceof ClassificationSettings) {
          ClassificationSettings sett = (ClassificationSettings)
              settings;
          for (int i = 0; i < sap.length; i++) {
            String name = sap[i].getName();
            if (name.equals("costMatrix"))
            {
              @SuppressWarnings("unused") String value = sap[i].getValue();
              sett.setCostMatrix( new com.prudsys.pdm.Models.Classification.CostMatrix() );
            }
          };
      }
      if (settings instanceof DecisionTreeSettings) {
        DecisionTreeSettings sett = (DecisionTreeSettings)
            settings;
        for (int i = 0; i < sap.length; i++) {
          String name = sap[i].getName();
          if (name.equals("minDecreauseInImpurity"))
          {
            String value = sap[i].getValue();
            sett.setMinDecreaseInImpurity( Double.parseDouble(value) );
          }
          else
          if (name.equals("maxDepth"))
          {
            String value = sap[i].getValue();
            int val;
            if ( value.equals("Integer.MAX_VALUE") )
              val = Integer.MAX_VALUE;
            else
              val = Integer.parseInt(value);
            sett.setMaxDepth( val );
          }
          else
          if (name.equals("maxSplits"))
          {
            String value = sap[i].getValue();
            int val;
            if ( value.equals("Integer.MAX_VALUE") )
              val = Integer.MAX_VALUE;
            else
              val = Integer.parseInt(value);
            sett.setMaxSplits( val );
          }
          else
          if (name.equals("maxSurrogates"))
          {
            String value = sap[i].getValue();
            sett.setMaxSurrogates( Integer.parseInt(value) );
          }
          else
          if (name.equals("minNodeSize"))
          {
            String value = sap[i].getValue();
            sett.setMinNodeSize( Double.parseDouble(value), sett.getMinNodeSizeUnit() );
          }
          else
          if (name.equals("minNodeSizeUnit"))
          {
            String value = sap[i].getValue();
            sett.setMinNodeSizeUnit( Integer.parseInt(value) );
          }
        }
      }
      if (settings instanceof RegressionSettings) {
          @SuppressWarnings("unused") RegressionSettings sett = (RegressionSettings)
              settings;
          for (int i = 0; i < sap.length; i++) {
            @SuppressWarnings("unused") String name = sap[i].getName();
          };
      }
      if (settings instanceof SparseGridsSettings) {
        SparseGridsSettings sett = (SparseGridsSettings)
            settings;
        for (int i = 0; i < sap.length; i++) {
          String name = sap[i].getName();
          if (name.equals("lambda"))
          {
            String value = sap[i].getValue();
            sett.setLambda( Double.parseDouble(value) );
          }
          else
          if (name.equals("coarseGrid"))
          {
            String value = sap[i].getValue();
            boolean bval = false;
            if (value.equals("true")) bval = true;
            sett.setCoarseGrid( bval );
          }
          else
          if (name.equals("waveletBasis"))
          {
            String value = sap[i].getValue();
            boolean bval = false;
            if (value.equals("true")) bval = true;
            sett.setWaveletBasis( bval );
          }
          else
          if (name.equals("basisDegree"))
          {
            String value = sap[i].getValue();
            sett.setBasisDegree( Integer.parseInt(value) );
          }
          else
          if (name.equals("level"))
          {
            String value = sap[i].getValue();
            sett.setLevel( Integer.parseInt(value) );
          }
          else
          if (name.equals("sgType"))
          {
            String value = sap[i].getValue();
            sett.setSgType( Integer.parseInt(value) );
          }
          else
          if (name.equals("attributeLevels"))
          {
            @SuppressWarnings("unused") String value = sap[i].getValue();
            sett.setAttributeLevels( new int[0] );
          }
        }
      }
      if (settings instanceof SupportVectorSettings) {
        SupportVectorSettings sett = (SupportVectorSettings)
            settings;
        for (int i = 0; i < sap.length; i++) {
          String name = sap[i].getName();
          if (name.equals("C"))
          {
            String value = sap[i].getValue();
            sett.setC( Double.parseDouble(value) );
          }
          else
          if (name.equals("degree"))
          {
            String value = sap[i].getValue();
            sett.setDegree( Double.parseDouble(value) );
          }
          else
          if (name.equals("gamma"))
          {
            String value = sap[i].getValue();
            sett.setGamma( Double.parseDouble(value) );
          }
          else
          if (name.equals("coef0"))