Examples with ObjectCreationExpr com.github.javaparser.ast.expr.ObjectCreationExpr used on opensource projects

Example 1 with ObjectCreationExpr

use of com.github.javaparser.ast.expr.ObjectCreationExpr in project drools by kiegroup.

the class Expressions method genContextType.

public static Expression genContextType(Map<String, Expression> fields) {
    final ClassOrInterfaceType sie = parseClassOrInterfaceType(java.util.AbstractMap.SimpleImmutableEntry.class.getCanonicalName());
    sie.setTypeArguments(parseClassOrInterfaceType(String.class.getCanonicalName()), parseClassOrInterfaceType(org.kie.dmn.feel.lang.Type.class.getCanonicalName()));
    List<Expression> entryParams = fields.entrySet().stream().map(e -> new ObjectCreationExpr(null, sie, new NodeList<>(stringLiteral(e.getKey()), e.getValue()))).collect(Collectors.toList());
    MethodCallExpr mOf = new MethodCallExpr(new NameExpr(java.util.stream.Stream.class.getCanonicalName()), "of");
    entryParams.forEach(mOf::addArgument);
    MethodCallExpr mCollect = new MethodCallExpr(mOf, "collect");
    mCollect.addArgument(new MethodCallExpr(new NameExpr(java.util.stream.Collectors.class.getCanonicalName()), "toMap").addArgument(new MethodReferenceExpr(new NameExpr(java.util.Map.Entry.class.getCanonicalName()), new NodeList<>(), "getKey")).addArgument(new MethodReferenceExpr(new NameExpr(java.util.Map.Entry.class.getCanonicalName()), new NodeList<>(), "getValue")));
    return new ObjectCreationExpr(null, MapBackedTypeT, new NodeList<>(stringLiteral("[anonymous]"), mCollect));
}

Example 2 with ObjectCreationExpr

use of com.github.javaparser.ast.expr.ObjectCreationExpr in project drools by kiegroup.

the class Constants method numeric.

public static FieldDeclaration numeric(String name, String numericValue) {
    ObjectCreationExpr initializer = new ObjectCreationExpr();
    initializer.setType(BigDecimalT);
    String originalText = numericValue;
    try {
        Long.parseLong(originalText);
        // see EvalHelper.getBigDecimalOrNull
        initializer.addArgument(originalText.replaceFirst("^0+(?!$)", ""));
    } catch (Throwable t) {
        initializer.addArgument(new StringLiteralExpr(originalText));
    }
    initializer.addArgument(DECIMAL_128);
    return of(BigDecimalT, name, initializer);
}

Example 3 with ObjectCreationExpr

use of com.github.javaparser.ast.expr.ObjectCreationExpr in project drools by kiegroup.

the class DTAnalysisMeta method hrAsExpression.

private static Expression hrAsExpression(Hyperrectangle gap) {
    int dimensions = gap.getDimensions();
    MethodCallExpr edgesExpression = parseExpression("Arrays.asList()");
    for (Interval edge : gap.getEdges()) {
        Expression intervalAsExpression = intervalAsExpression(edge);
        edgesExpression.addArgument(intervalAsExpression);
    }
    ObjectCreationExpr newExpression = parseExpression("new Hyperrectangle()");
    newExpression.addArgument(new IntegerLiteralExpr(dimensions));
    newExpression.addArgument(edgesExpression);
    return newExpression;
}

Example 4 with ObjectCreationExpr

use of com.github.javaparser.ast.expr.ObjectCreationExpr in project drools by kiegroup.

the class DTAnalysisMeta method overlapAsExpression.

private static Expression overlapAsExpression(Overlap overlap) {
    MethodCallExpr edgesExpression = parseExpression("Arrays.asList()");
    for (Number edge : overlap.getRules()) {
        edgesExpression.addArgument(new IntegerLiteralExpr(edge.intValue()));
    }
    ObjectCreationExpr newExpression = parseExpression("new Overlap()");
    newExpression.addArgument(edgesExpression);
    newExpression.addArgument(hrAsExpression(overlap.getOverlap()));
    return newExpression;
}

Example 5 with ObjectCreationExpr

use of com.github.javaparser.ast.expr.ObjectCreationExpr in project drools by kiegroup.

the class KiePMMLDefineFunctionFactory method getDefineFunctionVariableDeclaration.

static BlockStmt getDefineFunctionVariableDeclaration(final DefineFunction defineFunction) {
    final MethodDeclaration methodDeclaration = DEFINE_FUNCTION_TEMPLATE.getMethodsByName(GETKIEPMMLDEFINEFUNCTION).get(0).clone();
    final BlockStmt defineFunctionBody = methodDeclaration.getBody().orElseThrow(() -> new KiePMMLException(String.format(MISSING_BODY_TEMPLATE, methodDeclaration)));
    final VariableDeclarator variableDeclarator = getVariableDeclarator(defineFunctionBody, DEFINE_FUNCTION).orElseThrow(() -> new KiePMMLException(String.format(MISSING_VARIABLE_IN_BODY, DEFINE_FUNCTION, defineFunctionBody)));
    variableDeclarator.setName(defineFunction.getName());
    final BlockStmt toReturn = new BlockStmt();
    int counter = 0;
    final NodeList<Expression> parameterFieldArguments = new NodeList<>();
    for (ParameterField parameterField : defineFunction.getParameterFields()) {
        String nestedVariableName = String.format(VARIABLE_NAME_TEMPLATE, defineFunction.getName(), counter);
        parameterFieldArguments.add(new NameExpr(nestedVariableName));
        BlockStmt toAdd = getParameterFieldVariableDeclaration(nestedVariableName, parameterField);
        toAdd.getStatements().forEach(toReturn::addStatement);
        counter++;
    }
    String kiePMMLExpression = String.format("%s_Expression", defineFunction.getName());
    BlockStmt toAdd = getKiePMMLExpressionBlockStmt(kiePMMLExpression, defineFunction.getExpression());
    toAdd.getStatements().forEach(toReturn::addStatement);
    final ObjectCreationExpr objectCreationExpr = variableDeclarator.getInitializer().orElseThrow(() -> new KiePMMLException(String.format(MISSING_VARIABLE_INITIALIZER_TEMPLATE, DEFINE_FUNCTION, toReturn))).asObjectCreationExpr();
    final StringLiteralExpr nameExpr = new StringLiteralExpr(defineFunction.getName());
    objectCreationExpr.getArguments().set(0, nameExpr);
    final Expression dataTypeExpression = getExpressionForDataType(defineFunction.getDataType());
    final Expression opTypeExpression = getExpressionForOpType(defineFunction.getOpType());
    objectCreationExpr.getArguments().set(2, dataTypeExpression);
    objectCreationExpr.getArguments().set(3, opTypeExpression);
    objectCreationExpr.getArguments().get(4).asMethodCallExpr().setArguments(parameterFieldArguments);
    objectCreationExpr.getArguments().set(5, new NameExpr(kiePMMLExpression));
    defineFunctionBody.getStatements().forEach(toReturn::addStatement);
    return toReturn;
}