Examples with Parameter org.drools.javaparser.ast.body.Parameter used on opensource projects

Example 1 with Parameter

use of org.drools.javaparser.ast.body.Parameter in project drools by kiegroup.

the class Consequence method executeCall.

private MethodCallExpr executeCall(BlockStmt ruleVariablesBlock, BlockStmt ruleConsequence, Collection<String> verifiedDeclUsedInRHS, MethodCallExpr onCall) {
    boolean requireDrools = rewriteRHS(ruleVariablesBlock, ruleConsequence);
    MethodCallExpr executeCall = new MethodCallExpr(onCall, EXECUTE_CALL);
    LambdaExpr executeLambda = new LambdaExpr();
    executeCall.addArgument(executeLambda);
    executeLambda.setEnclosingParameters(true);
    if (requireDrools) {
        executeLambda.addParameter(new Parameter(new UnknownType(), "drools"));
    }
    verifiedDeclUsedInRHS.stream().map(x -> new Parameter(new UnknownType(), x)).forEach(executeLambda::addParameter);
    executeLambda.setBody(ruleConsequence);
    return executeCall;
}

Example 2 with Parameter

use of org.drools.javaparser.ast.body.Parameter in project drools by kiegroup.

the class AccumulateVisitorFlowDSL method replaceBindingWithPatternBinding.

private void replaceBindingWithPatternBinding(MethodCallExpr bindExpression, MethodCallExpr lastPattern) {
    if (lastPattern == null) {
        return;
    }
    final Expression bindingId = lastPattern.getArgument(1);
    bindExpression.findFirst(NameExpr.class, e -> e.equals(bindingId)).ifPresent(name -> {
        LambdaExpr lambda = (LambdaExpr) bindExpression.getArgument(bindExpression.getArguments().size() - 1);
        if (lambda.getParameters().size() > 1) {
            String formalArg = fromVar(name.getNameAsString());
            for (Parameter param : lambda.getParameters()) {
                if (param.getNameAsString().equals(formalArg)) {
                    lambda.getParameters().remove(param);
                    lambda.getParameters().add(0, param);
                    break;
                }
            }
        }
        bindExpression.getArguments().remove(name);
        bindExpression.getArguments().add(0, name);
    });
}

Example 3 with Parameter

use of org.drools.javaparser.ast.body.Parameter in project drools by kiegroup.

the class AccumulateVisitorPatternDSL method replaceBindingWithPatternBinding.

private MethodCallExpr replaceBindingWithPatternBinding(MethodCallExpr bindExpression, MethodCallExpr lastPattern) {
    final Expression bindingId = lastPattern.getArgument(0);
    bindExpression.findFirst(NameExpr.class, e -> e.equals(bindingId)).ifPresent(name -> {
        bindExpression.remove(name);
        LambdaExpr lambda = (LambdaExpr) bindExpression.getArgument(bindExpression.getArguments().size() - 1);
        if (lambda.getParameters().size() > 1) {
            String formalArg = fromVar(name.getNameAsString());
            for (Parameter param : lambda.getParameters()) {
                if (param.getNameAsString().equals(formalArg)) {
                    lambda.getParameters().remove(param);
                    lambda.getParameters().add(0, param);
                    break;
                }
            }
        }
    });
    return (MethodCallExpr) bindExpression;
}

Example 4 with Parameter

use of org.drools.javaparser.ast.body.Parameter in project drools by kiegroup.

the class DrlxParseUtil method generateLambdaWithoutParameters.

public static Expression generateLambdaWithoutParameters(Collection<String> usedDeclarations, Expression expr, boolean skipFirstParamAsThis) {
    if (skipFirstParamAsThis && usedDeclarations.isEmpty()) {
        return expr;
    }
    LambdaExpr lambdaExpr = new LambdaExpr();
    lambdaExpr.setEnclosingParameters(true);
    if (!skipFirstParamAsThis) {
        lambdaExpr.addParameter(new Parameter(new UnknownType(), "_this"));
    }
    usedDeclarations.stream().map(s -> new Parameter(new UnknownType(), s)).forEach(lambdaExpr::addParameter);
    lambdaExpr.setBody(new ExpressionStmt(expr));
    return lambdaExpr;
}

Example 5 with Parameter

use of org.drools.javaparser.ast.body.Parameter in project drools by kiegroup.

the class FlowExpressionBuilder method buildIndexedBy.

private MethodCallExpr buildIndexedBy(DrlxParseSuccess drlxParseResult, MethodCallExpr exprDSL) {
    if (!hasIndex(drlxParseResult)) {
        return exprDSL;
    }
    TypedExpression left = drlxParseResult.getLeft();
    TypedExpression right = drlxParseResult.getRight();
    Class<?> indexType = Stream.of(left, right).map(TypedExpression::getType).filter(Objects::nonNull).findFirst().get();
    ClassExpr indexedBy_indexedClass = new ClassExpr(JavaParser.parseType(indexType.getCanonicalName()));
    // not 100% accurate as the type in "nameExpr" is actually parsed if it was JavaParsers as a big chain of FieldAccessExpr
    FieldAccessExpr indexedBy_constraintType = new FieldAccessExpr(new NameExpr("org.drools.model.Index.ConstraintType"), drlxParseResult.getDecodeConstraintType().toString());
    LambdaExpr indexedBy_leftOperandExtractor = new LambdaExpr();
    indexedBy_leftOperandExtractor.addParameter(new Parameter(new UnknownType(), "_this"));
    boolean leftContainsThis = left.getExpression().toString().contains("_this");
    indexedBy_leftOperandExtractor.setBody(new ExpressionStmt(leftContainsThis ? left.getExpression() : right.getExpression()));
    MethodCallExpr indexedByDSL = new MethodCallExpr(exprDSL, INDEXED_BY_CALL);
    indexedByDSL.addArgument(indexedBy_indexedClass);
    indexedByDSL.addArgument(indexedBy_constraintType);
    indexedByDSL.addArgument("" + indexIdGenerator.getFieldId(drlxParseResult.getPatternType(), left.getFieldName()));
    indexedByDSL.addArgument(indexedBy_leftOperandExtractor);
    Collection<String> usedDeclarations = drlxParseResult.getUsedDeclarations();
    if (isAlphaIndex(usedDeclarations)) {
        indexedByDSL.addArgument(right.getExpression());
    } else {
        LambdaExpr indexedBy_rightOperandExtractor = new LambdaExpr();
        indexedBy_rightOperandExtractor.addParameter(new Parameter(new UnknownType(), usedDeclarations.iterator().next()));
        indexedBy_rightOperandExtractor.setBody(new ExpressionStmt(!leftContainsThis ? left.getExpression() : right.getExpression()));
        indexedByDSL.addArgument(indexedBy_rightOperandExtractor);
    }
    return indexedByDSL;
}