Examples of com.mysema.query.Tuple

com.mysema.query.Tuple

Tuple defines an interface for generic query result projection

Usage example:

 {@code List result = query.from(employee).list(new QTuple(employee.firstName, employee.lastName));}for (Tuple row : result)  System.out.println("firstName " + row.get(employee.firstName)); System.out.println("lastName " + row.get(employee.lastName));  } }

@author tiwe

        StringPath name = new StringPath("name");
        StringPath id = new StringPath("id");
        QBean<Entity2> entity2Bean = new QBean<Entity2>(Entity2.class, name, id);
        QTuple tupleExpr = new QTuple(entity2Bean);


        Tuple tuple = FactoryExpressionUtils.wrap(tupleExpr).newInstance("nameX","idX");
        assertEquals("nameX", tuple.get(entity2Bean).getName());
        assertEquals("idX", tuple.get(entity2Bean).getId());
    }

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    private QTuple tupleExpression = new QTuple(first, second, third);


    @Test
    public void NewInstanceObjectArray() {
        Tuple tuple = tupleExpression.newInstance("1", 42, true);
        assertEquals(3, tuple.size());
        assertEquals("1", tuple.get(0, String.class));
        assertEquals(Integer.valueOf(42), tuple.get(1, Integer.class));
        assertEquals(Boolean.TRUE, tuple.get(2, Boolean.class));
        assertEquals("1", tuple.get(first));
        assertEquals(Integer.valueOf(42), tuple.get(second));
        assertEquals(Boolean.TRUE, tuple.get(third));


    }

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        Object commentId = null;
        Map<Integer, String> comments = null;
        List<Map<Integer, String>> expected = new LinkedList<Map<Integer, String>>();
        for (Iterator<Tuple> iterator = MAP2_RESULTS.iterate(); iterator.hasNext();) {
            Tuple tuple = iterator.next();
            Object[] array = tuple.toArray();


            if (comments == null || !(commentId == array[0] || commentId != null && commentId.equals(array[0]))) {
                comments = new LinkedHashMap<Integer,String>();
                expected.add(comments);
            }

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        Object postId = null;
        Map<Integer, Map<Integer, String>> posts = null;
        List<Map<Integer, Map<Integer, String>>> expected = new LinkedList<Map<Integer, Map<Integer, String>>>();
        for (Iterator<Tuple> iterator = MAP3_RESULTS.iterate(); iterator.hasNext();) {
            Tuple tuple = iterator.next();
            Object[] array = tuple.toArray();
            
            if (posts == null || !(postId == array[0] || postId != null && postId.equals(array[0]))) {
                posts = new LinkedHashMap<Integer, Map<Integer,String>>();
                expected.add(posts);
            }

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        Object commentId = null;
        Map<Map<Integer, String>, String> comments = null;
        List<Map<Map<Integer, String>, String>> expected = new LinkedList<Map<Map<Integer, String>, String>>();
        for (Iterator<Tuple> iterator = MAP4_RESULTS.iterate(); iterator.hasNext();) {
            Tuple tuple = iterator.next();
            Object[] array = tuple.toArray();
 
            if (comments == null || !(commentId == array[0] || commentId != null && commentId.equals(array[0]))) {
                comments = new LinkedHashMap<Map<Integer, String>, String>();
                expected.add(comments);
            }

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    @Test
    public void Alias() {
        Expression<?> expr = str1.as("s");
        QTuple qTuple = new QTuple(expr);
        Tuple tuple = qTuple.newInstance("arg");
        assertEquals("arg", tuple.get(expr));
        assertEquals("arg", tuple.get(new StringPath("s")));
    }

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        Map<Integer, Map<Integer, Map<Integer, String>>> actual = MAP3_RESULTS.transform(
            groupBy(postId).as(map(postId, map(commentId, commentText))));
        
        Map<Integer, Map<Integer, Map<Integer, String>>> expected = new LinkedHashMap<Integer, Map<Integer, Map<Integer, String>>>();
        for (Iterator<Tuple> iterator = MAP3_RESULTS.iterate(); iterator.hasNext();) {
            Tuple tuple = iterator.next();
            Object[] array = tuple.toArray();
            
            Map<Integer, Map<Integer, String>> posts = expected.get(array[0]);
            if (posts == null) {
                posts = new LinkedHashMap<Integer, Map<Integer,String>>();
                expected.put((Integer) array[0], posts);

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        Map<Integer, Map<Map<Integer, String>, String>> actual = MAP4_RESULTS.transform(
            groupBy(postId).as(map(map(postId, commentText), postName)));
        
        Map<Integer, Map<Map<Integer, String>, String>> expected = new LinkedHashMap<Integer, Map<Map<Integer, String>, String>>();
        for (Iterator<Tuple> iterator = MAP4_RESULTS.iterate(); iterator.hasNext();) {
            Tuple tuple = iterator.next();
            Object[] array = tuple.toArray();
 
            Map<Map<Integer, String>, String> comments = expected.get(array[0]);
            if (comments == null) {
                comments = new LinkedHashMap<Map<Integer, String>, String>();
                expected.put((Integer) array[0], comments);

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    public void Number_Conversion() {
        StringPath strPath = new StringPath("strPath");
        NumberPath<Integer> intPath = new NumberPath<Integer>(Integer.class, "intPath");
        QTuple qTuple = new QTuple(strPath, intPath);
        NumberConversions<Tuple> conversions = new NumberConversions<Tuple>(qTuple);
        Tuple tuple = conversions.newInstance("a", Long.valueOf(3));
        assertEquals("a", tuple.get(strPath));
        assertEquals(Integer.valueOf(3), tuple.get(intPath));
    }

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        Object postId = null;
        Map<Integer, Map<Integer, String>> posts = null;
        List<Map<Integer, Map<Integer, String>>> expected = new LinkedList<Map<Integer, Map<Integer, String>>>();
        for (Iterator<Tuple> iterator = MAP3_RESULTS.iterate(); iterator.hasNext();) {
            Tuple tuple = iterator.next();
            Object[] array = tuple.toArray();
            
            if (posts == null || !(postId == array[0] || postId != null && postId.equals(array[0]))) {
                posts = new LinkedHashMap<Integer, Map<Integer,String>>();
                expected.add(posts);
            }

View Full Code Here

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Related Classes of com.mysema.query.Tuple

com.mysema.query.group.GroupByIterateTest

com.mysema.query.group.GroupByListTest

com.mysema.query.group.GroupByMapTest

com.mysema.query.support.NumberConversionsTest

com.mysema.query.types.DeepPopulationTest

com.mysema.query.types.expr.QTupleTest

com.mysema.query.types.QTupleTest

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