cwmexample.java

一个数据挖掘软件ALPHAMINERR的整个过程的JAVA版源代码

     uniqueKey.setNamespace( referralDimension );
     ownedElements = referralDimension.getOwnedElement();
     ownedElements.add( uniqueKey );

     // Note that the stereotype is reused...
     extendedElements.add( uniqueKey );

     // Create the non-key attributes and add them to the Referral Dimension.
     // Note that the data types created previously are re-used, except
     // for a "URL" data type, which needs to be created.

     DataType urlType = dataTypeClass.createDataType();
     urlType.setName( "URL" );

     nonKeyAttribute = attributeClass.createAttribute();

     nonKeyAttribute.setName( "ReferralType" );
     nonKeyAttribute.setType( stringType );
     nonKeyAttribute.setNamespace( referralDimension );
     featureList.add( nonKeyAttribute );

     nonKeyAttribute = attributeClass.createAttribute();
     nonKeyAttribute.setName( "ReferralURL" );
     nonKeyAttribute.setType( urlType );
     nonKeyAttribute.setNamespace( referralDimension );
     featureList.add( nonKeyAttribute );

     nonKeyAttribute = attributeClass.createAttribute();
     nonKeyAttribute.setName( "ReferralSite" );
     nonKeyAttribute.setType( urlType );
     nonKeyAttribute.setNamespace( referralDimension );
     featureList.add( nonKeyAttribute );

     // ...

     nonKeyAttribute = attributeClass.createAttribute();
     nonKeyAttribute.setName( "CustomerStatus" );
     nonKeyAttribute.setType( stringType );
     nonKeyAttribute.setNamespace( referralDimension );
     featureList.add( nonKeyAttribute );


     // Create the Causal Dimension and add it to the Schema

     Dimension causalDimension = dimensionClass.createDimension();
     causalDimension.setName( "Causal" );

     dimCol.add( causalDimension );
     causalDimension.setSchema( schema );

     // Create the primary key of the Causal Dimension using the
     // "surrogate key" pattern

     keyAttribute = attributeClass.createAttribute();
     keyAttribute.setName( "CausalID" );
     keyAttribute.setType( integerType );
     keyAttribute.setNamespace( causalDimension );
     featureList = causalDimension.getFeature();
     featureList.add( keyAttribute );

     uniqueKey = uniqueKeyClass.createUniqueKey();
     uniqueKey.setName( "CausalUK" );
     keyFeatureList = uniqueKey.getFeature();
     keyFeatureList.add( keyAttribute );
     uniqueKey.setNamespace( causalDimension );
     ownedElements = causalDimension.getOwnedElement();
     ownedElements.add( uniqueKey );

     // Note that the stereotype is reused...
     extendedElements.add( uniqueKey );

     // Create the non-key attributes and add them to the Causal Dimension.
     // Note that the data types created previously are re-used.

     nonKeyAttribute = attributeClass.createAttribute();

     nonKeyAttribute.setName( "CausalType" );
     nonKeyAttribute.setType( stringType );
     nonKeyAttribute.setNamespace( causalDimension );
     featureList.add( nonKeyAttribute );

     nonKeyAttribute = attributeClass.createAttribute();
     nonKeyAttribute.setName( "PriceTreatment" );
     nonKeyAttribute.setType( stringType );
     nonKeyAttribute.setNamespace( causalDimension );
     featureList.add( nonKeyAttribute );

     nonKeyAttribute = attributeClass.createAttribute();
     nonKeyAttribute.setName( "AdType" );
     nonKeyAttribute.setType( stringType );
     nonKeyAttribute.setNamespace( causalDimension );
     featureList.add( nonKeyAttribute );

     // ...

     nonKeyAttribute = attributeClass.createAttribute();
     nonKeyAttribute.setName( "OtherCausalEvent" );
     nonKeyAttribute.setType( stringType );
     nonKeyAttribute.setNamespace( causalDimension );
     featureList.add( nonKeyAttribute );


     // Create the Entity Dimension and add it to the Schema

     Dimension entityDimension = dimensionClass.createDimension();
     entityDimension.setName( "Entity" );

     dimCol.add( entityDimension );
     entityDimension.setSchema( schema );

     // Create the primary key of the Entity Dimension using the
     // "surrogate key" pattern

     keyAttribute = attributeClass.createAttribute();
     keyAttribute.setName( "EntityID" );
     keyAttribute.setType( integerType );
     keyAttribute.setNamespace( entityDimension );
     featureList = entityDimension.getFeature();
     featureList.add( keyAttribute );

     uniqueKey = uniqueKeyClass.createUniqueKey();
     uniqueKey.setName( "EntityUK" );
     keyFeatureList = uniqueKey.getFeature();
     keyFeatureList.add( keyAttribute );
     uniqueKey.setNamespace( entityDimension );
     ownedElements = entityDimension.getOwnedElement();
     ownedElements.add( uniqueKey );

     // Note that the stereotype is reused...
     extendedElements.add( uniqueKey );

     // Create the non-key attributes and add them to the Entity Dimension.
     // Note that the data types created previously are re-used.

     nonKeyAttribute = attributeClass.createAttribute();

     nonKeyAttribute.setName( "EntityType" );
     nonKeyAttribute.setType( stringType );
     nonKeyAttribute.setNamespace( entityDimension );
     featureList.add( nonKeyAttribute );

     nonKeyAttribute = attributeClass.createAttribute();
     nonKeyAttribute.setName( "EntityName" );
     nonKeyAttribute.setType( stringType );
     nonKeyAttribute.setNamespace( entityDimension );
     featureList.add( nonKeyAttribute );

     nonKeyAttribute = attributeClass.createAttribute();
     nonKeyAttribute.setName( "IndustryCategory" );
     nonKeyAttribute.setType( stringType );
     nonKeyAttribute.setNamespace( entityDimension );
     featureList.add( nonKeyAttribute );


     // Placing "Surrogate Key" Stereotype instance in "WebDW" Schema

     surrogateKeyStereotype.setNamespace( schema );
     Collection<ModelElement> schemaOwnedElements = schema.getOwnedElement();
     schemaOwnedElements.add( surrogateKeyStereotype );

     TypeMappingPackage typeMappingPkg = cwmFactory.getTypeMapping();
     TypeSystemClass typeSystemClass = typeMappingPkg.getTypeSystem();
     TypeSystem typeSystem = typeSystemClass.createTypeSystem();
     typeSystem.setName( "WebDWTypes" );
     Collection<ModelElement> typeCol = typeSystem.getOwnedElement();
     typeCol.add( stringType );
     typeCol.add( integerType );
     typeCol.add( booleanType );
     typeCol.add( urlType );
     stringType.setNamespace( typeSystem );
     integerType.setNamespace( typeSystem );
     booleanType.setNamespace( typeSystem );
     urlType.setNamespace( typeSystem );

     typeSystem.setNamespace( schema );
     schemaOwnedElements.add( typeSystem );

     // Create the analysis cubes
     CubeClass cubeClass = olapPkg.getCube();

     javax.olap.serversidemetadata.Cube sessionAnalysisCube = cubeClass.createCube();
     sessionAnalysisCube.setName( "SessionAnalysis" );

     javax.olap.serversidemetadata.Cube pageAnalysisCube = cubeClass.createCube();
     pageAnalysisCube.setName( "PageAnalysis" );

     javax.olap.serversidemetadata.Cube aggregationCube = cubeClass.createCube();
     aggregationCube.setName( "Aggregation" );

     Collection<Cube> cubeCol = schema.getCube();
     cubeCol.add( sessionAnalysisCube );
     sessionAnalysisCube.setSchema( schema );

     cubeCol.add( pageAnalysisCube );
     pageAnalysisCube.setSchema( schema );

     cubeCol.add( aggregationCube );
     aggregationCube.setSchema( schema );


     MeasureClass measureClass = olapPkg.getMeasure();
     Measure measure = measureClass.createMeasure();
     measure.setName( "SessionSeconds" );
     measure.setType( integerType );
     List<Attribute> sessionFeatureList = sessionAnalysisCube.getFeature();
     sessionFeatureList.add( measure );
     measure.setOwner( sessionAnalysisCube );

     measure = measureClass.createMeasure();
     measure.setName( "PagesVisited" );
     measure.setType( integerType );
     sessionFeatureList.add( measure );
     measure.setOwner( sessionAnalysisCube );

     measure = measureClass.createMeasure();
     measure.setName( "OrdersPlaced" );
     measure.setType( integerType );
     sessionFeatureList.add( measure );
     measure.setOwner( sessionAnalysisCube );

     measure = measureClass.createMeasure();
     measure.setName( "UnitsOrdered" );
     measure.setType( integerType );
     sessionFeatureList.add( measure );
     measure.setOwner( sessionAnalysisCube );

     DataType doubleType = dataTypeClass.createDataType();
     urlType.setName( "Double" );

     measure = measureClass.createMeasure();
     measure.setName( "OrderDollars" );
     measure.setType( doubleType );
     sessionFeatureList.add( measure );
     measure.setOwner( sessionAnalysisCube );


     measureClass = olapPkg.getMeasure();
     measure = measureClass.createMeasure();
     measure.setName( "PageSeconds" );
     measure.setType( integerType );
     sessionFeatureList = sessionAnalysisCube.getFeature();
     sessionFeatureList.add( measure );
     measure.setOwner( pageAnalysisCube );

     measure = measureClass.createMeasure();
     measure.setName( "UnitsOrdered" );
     measure.setType( integerType );
     sessionFeatureList.add( measure );
     measure.setOwner( pageAnalysisCube );

     measure = measureClass.createMeasure();
     measure.setName( "OrderDollars" );
     measure.setType( doubleType );
     sessionFeatureList.add( measure );
     measure.setOwner( pageAnalysisCube );


     measureClass = olapPkg.getMeasure();
     measure = measureClass.createMeasure();
     measure.setName( "NumberSessions" );
     measure.setType( integerType );
     sessionFeatureList = sessionAnalysisCube.getFeature();
     sessionFeatureList.add( measure );
     measure.setOwner( aggregationCube );

     measure = measureClass.createMeasure();
     measure.setName( "SessionSeconds" );
     measure.setType( integerType );
     sessionFeatureList.add( measure );
     measure.setOwner( aggregationCube );

     measure = measureClass.createMeasure();
     measure.setName( "PagesVisited" );
     measure.setType( integerType );
     sessionFeatureList.add( measure );
     measure.setOwner( aggregationCube );

     measure = measureClass.createMeasure();
     measure.setName( "OrdersPlaced" );
     measure.setType( integerType );
     sessionFeatureList.add( measure );
     measure.setOwner( aggregationCube );

     measure = measureClass.createMeasure();
     measure.setName( "UnitsOrdered" );
     measure.setType( integerType );
     sessionFeatureList.add( measure );
     measure.setOwner( aggregationCube );

     measure = measureClass.createMeasure();
     measure.setName( "OrderDollars" );
     measure.setType( doubleType );
     sessionFeatureList.add( measure );
     measure.setOwner( aggregationCube );
   }

   /**
    * Run CWM example.
    *
    * @throws Exception error while example is running
    */
   public void runExample() throws Exception {

     createDataWarehouseManagementModel();
     createDimensionalModel();
     createWebEnabledDataWarehouseModel();
   }

   /**
    * Simple example of of how to use the CWM classes via JMI interface.
    *
    * @param args arguments (ignored)
    */
   public static void main(java.lang.String[] args) {

     try {
       new CwmExample().runExample();
     }
     catch (Exception ex) {
       ex.printStackTrace();
     }
   }

}