org.kie.pmml.compiler.commons.utils

Class CommonCodegenUtils

java.lang.Object

org.kie.pmml.compiler.commons.utils.CommonCodegenUtils

public class CommonCodegenUtils
extends Object

Class meant to provide helper methods to all code-generating classes

Field Summary

Fields

Modifier and Type	Field and Description
static String	OPTIONAL_FILTERED_KIEPMMLNAMEVALUE_NAME

Method Summary

Modifier and Type	Method and Description
static void	addMapPopulation(Map<String,com.github.javaparser.ast.body.MethodDeclaration> toAdd, com.github.javaparser.ast.stmt.BlockStmt body, String mapName) For every entry in the given map, add (mapName).put(entry_key, this::entry_value_ref>); e.g.
static com.github.javaparser.ast.stmt.ExpressionStmt	getFilteredKiePMMLNameValueExpression(String kiePMMLNameValueListParam, String fieldNameToRef, boolean stringLiteralComparison) Returns Optional kiePMMLNameValue = (kiePMMLNameValueListParam) .stream() .filter((KiePMMLNameValue kpmmlnv) -> Objects.equals("(fieldNameToRef)", kpmmlnv.getName())) .findFirst(); expression, where kiePMMLNameValueListParam is the name of the List<KiePMMLNameValue> parameter, and fieldNameToRef is the name of the field to find, in the containing method
static com.github.javaparser.ast.body.MethodDeclaration	getMethodDeclaration(String methodName) Returns empty (methodName)() { } A no-parameter MethodDeclaration whose name is derived from given methodName and methodArity
static com.github.javaparser.ast.body.MethodDeclaration	getMethodDeclaration(String methodName, Map<String,com.github.javaparser.ast.type.ClassOrInterfaceType> parameterNameTypeMap) Returns empty (methodName)((list of parameterType parameter name)) { } a multi-parameters MethodDeclaration whose names are the keys of the given Map and methodArity, and whose parameters types are the values The
static com.github.javaparser.ast.stmt.ReturnStmt	getReturnStmt(String returnedVariableName) Returns return (returnedVariableName); e.g return varOne;
static com.github.javaparser.ast.type.ClassOrInterfaceType	getTypedClassOrInterfaceType(String className, List<String> typesName) Returns (className)<(comma-separated list of types)> e.g CLASS_NAME a typed ClassOrInterfaceType
static void	populateMethodDeclarations(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration toPopulate, Collection<com.github.javaparser.ast.body.MethodDeclaration> methodDeclarations) Populate the ClassOrInterfaceDeclaration with the provided MethodDeclarations

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

OPTIONAL_FILTERED_KIEPMMLNAMEVALUE_NAME

public static String OPTIONAL_FILTERED_KIEPMMLNAMEVALUE_NAME

Method Detail

populateMethodDeclarations

public static void populateMethodDeclarations(com.github.javaparser.ast.body.ClassOrInterfaceDeclaration toPopulate,
                                              Collection<com.github.javaparser.ast.body.MethodDeclaration> methodDeclarations)

Populate the ClassOrInterfaceDeclaration with the provided MethodDeclarations

Parameters:

toPopulate -

methodDeclarations -

getFilteredKiePMMLNameValueExpression

public static com.github.javaparser.ast.stmt.ExpressionStmt getFilteredKiePMMLNameValueExpression(String kiePMMLNameValueListParam,
                                                                                                  String fieldNameToRef,
                                                                                                  boolean stringLiteralComparison)

Returns

  Optional kiePMMLNameValue = (kiePMMLNameValueListParam)
      .stream()
      .filter((KiePMMLNameValue kpmmlnv) -> Objects.equals("(fieldNameToRef)", kpmmlnv.getName()))
      .findFirst();
 

expression, where kiePMMLNameValueListParam is the name of the List<KiePMMLNameValue> parameter, and fieldNameToRef is the name of the field to find, in the containing method

Parameters:

kiePMMLNameValueListParam -

fieldNameToRef -

stringLiteralComparison - if true, equals comparison is made on the String, e.g Objects.equals("(fieldNameToRef)", kpmmlnv.getName())), otherwise, is done on object reference, e.g Objects.equals((fieldNameToRef), kpmmlnv.getName())). In this latter case, a fieldNameToRef variable is expected to exists

Returns:

addMapPopulation

public static void addMapPopulation(Map<String,com.github.javaparser.ast.body.MethodDeclaration> toAdd,
                                    com.github.javaparser.ast.stmt.BlockStmt body,
                                    String mapName)

For every entry in the given map, add

     (mapName).put(entry_key, this::entry_value_ref>);
 

e.g.

     MAP_NAME.put("KEY_0", this::METHOD_015);
     MAP_NAME.put("KEY_3", this::METHOD_33);
     MAP_NAME.put("KEY_2", this::METHOD_219);
     MAP_NAME.put("KEY_4", this::METHOD_46);
 

inside the given BlockStmt

Parameters:

toAdd -

body -

mapName -

getMethodDeclaration

public static com.github.javaparser.ast.body.MethodDeclaration getMethodDeclaration(String methodName,
                                                                                    Map<String,com.github.javaparser.ast.type.ClassOrInterfaceType> parameterNameTypeMap)

Returns

     empty (methodName)((list of parameterType parameter name)) {
 }
 

a multi-parameters MethodDeclaration whose names are the keys of the given Map and methodArity, and whose parameters types are the values The

Parameters:

methodName -

parameterNameTypeMap - expecting an ordered map here, since parameters order matter for caller code

Returns:

getMethodDeclaration

public static com.github.javaparser.ast.body.MethodDeclaration getMethodDeclaration(String methodName)

Returns

     empty (methodName)() {
     }
 

A no-parameter MethodDeclaration whose name is derived from given methodName and methodArity

Parameters:

methodName -

Returns:

getReturnStmt

public static com.github.javaparser.ast.stmt.ReturnStmt getReturnStmt(String returnedVariableName)

Returns

     return (returnedVariableName);
 

e.g

     return varOne;
 

Parameters:

returnedVariableName -

Returns:

getTypedClassOrInterfaceType

public static com.github.javaparser.ast.type.ClassOrInterfaceType getTypedClassOrInterfaceType(String className,
                                                                                               List<String> typesName)

Returns

     (className)<(comma-separated list of types)>
 

e.g

     CLASS_NAME
 

a typed ClassOrInterfaceType

Parameters:

className -

typesName -

Returns: