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

Example 71 with Expression

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

the class QueryDefImplGenerator method callMethod.

private void callMethod(ClassOrInterfaceDeclaration clazz) {
    MethodDeclaration method = clazz.addMethod("call", Modifier.Keyword.PUBLIC);
    addOverride(method);
    method.addParameter("boolean", "open");
    method.setType(toClassOrInterfaceType(QueryCallViewItem.class));
    BlockStmt statements = new BlockStmt();
    NodeList<Expression> arguments = nodeList();
    ClassOrInterfaceType queryCallViewItemImpl = toClassOrInterfaceType(QueryCallViewItemImpl.class);
    ObjectCreationExpr objCreationExpr = new ObjectCreationExpr(null, queryCallViewItemImpl, arguments);
    statements.addStatement(new ReturnStmt(objCreationExpr));
    objCreationExpr.addArgument("this");
    objCreationExpr.addArgument("open");
    rangeArity().forEach(i -> {
        String varWithIndex = stringWithIndex("var", i);
        String genericTypeName = genericTypeName(i);
        method.addParameter(genericType("Argument", genericTypeName), varWithIndex);
        objCreationExpr.addArgument(varWithIndex);
    });
    method.setBody(statements);
}

Example 72 with Expression

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

the class QueryDefGenerator method callMethod.

private void callMethod(ClassOrInterfaceDeclaration clazz) {
    MethodDeclaration method = clazz.addMethod("call", Modifier.Keyword.DEFAULT);
    method.setType(toClassOrInterfaceType(QueryCallViewItem.class));
    BlockStmt stmts = new BlockStmt();
    NodeList<Expression> arguments = nodeList();
    MethodCallExpr objCreationExpr = new MethodCallExpr(null, "call", arguments);
    stmts.addStatement(new ReturnStmt(objCreationExpr));
    objCreationExpr.addArgument(new BooleanLiteralExpr(true));
    rangeArity().forEach(i -> {
        String varWithIndex = stringWithIndex("var", i);
        String genericTypeName = stringWithIndex("T", i);
        method.addParameter(genericType("Argument", genericTypeName), varWithIndex);
        objCreationExpr.addArgument(varWithIndex);
    });
    method.setBody(stmts);
}

Example 73 with Expression

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

the class FromVisitor method createSingleFrom.

private Optional<Expression> createSingleFrom(String expression) {
    final Expression parsedExpression = DrlxParseUtil.parseExpression(expression).getExpr();
    if (parsedExpression instanceof FieldAccessExpr || parsedExpression instanceof NameExpr || parsedExpression instanceof DrlNameExpr) {
        return fromFieldOrName(expression);
    }
    if (parsedExpression instanceof ObjectCreationExpr) {
        return fromConstructorExpr(expression, (ObjectCreationExpr) parsedExpression);
    }
    if (parsedExpression instanceof LiteralExpr) {
        MethodCallExpr fromCall = createDslTopLevelMethod(FROM_CALL);
        fromCall.addArgument(parsedExpression);
        return of(fromCall);
    }
    return fromExpression(expression, parsedExpression);
}

Example 74 with Expression

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

the class EvaluatorGenerator method lastStatementIsGetter.

private void lastStatementIsGetter(BlockStmt mvelBlock, Expression expression) {
    MethodCallExpr methodCallExprClone = expression.asMethodCallExpr().clone();
    String getterName = methodCallExprClone.getName().asString().replace("set", "get");
    MethodCallExpr getter = new MethodCallExpr(getterName);
    methodCallExprClone.getScope().ifPresent(getter::setScope);
    final Expression assignExpr = new AssignExpr(new NameExpr(RESULT_VALUE_REFERENCE_NAME), getter, AssignExpr.Operator.ASSIGN);
    mvelBlock.addStatement(assignExpr);
}

Example 75 with Expression

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

the class EvaluatorGenerator method defineLastStatement.

// Simulate "Last expression is a return statement"
private void defineLastStatement(BlockStmt mvelBlock) {
    if (!lastMVELStatement.isExpressionStmt()) {
        return;
    }
    Expression expression = lastMVELStatement.asExpressionStmt().getExpression();
    addResultReference();
    if (expression.isMethodCallExpr() && expression.asMethodCallExpr().getNameAsString().startsWith("set")) {
        lastStatementIsGetter(mvelBlock, expression);
    } else {
        final Expression assignExpr = new AssignExpr(new NameExpr(RESULT_VALUE_REFERENCE_NAME), expression, AssignExpr.Operator.ASSIGN);
        mvelBlock.replace(lastMVELStatement, new ExpressionStmt(assignExpr));
    }
    returnResult();
}