Package org.apache.cayenne.exp

Examples of org.apache.cayenne.exp.Expression

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        assertEquals(-1, list.indexOf(list.context.newObject(ClientMtTable1.class)));
    }

    public void testLastIndexOf() throws Exception {
        prepareList(6);
        Expression qual = ExpressionFactory.matchExp(
                ClientMtTable1.GLOBAL_ATTRIBUTE1_PROPERTY,
                "g20");
        SelectQuery query = new SelectQuery(ClientMtTable1.class, qual);
        List objects = list.context.performQuery(query);
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    }

    public void testTranslateToRelatedEntityIndependentPath() {
        DbEntity artistE = getDomain().getEntityResolver().getDbEntity("ARTIST");

        Expression e1 = Expression.fromString("db:paintingArray");
        Expression translated = artistE
                .translateToRelatedEntity(e1, "artistExhibitArray");
        assertEquals("failure: " + translated, Expression
                .fromString("db:toArtist.paintingArray"), translated);
    }
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    }

    public void testTranslateToRelatedEntityTrimmedPath() {
        DbEntity artistE = getDomain().getEntityResolver().getDbEntity("ARTIST");

        Expression e1 = Expression.fromString("db:artistExhibitArray.toExhibit");
        Expression translated = artistE
                .translateToRelatedEntity(e1, "artistExhibitArray");
        assertEquals("failure: " + translated, Expression
                .fromString("db:toArtist.artistExhibitArray.toExhibit"), translated);
    }
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    }

    public void testTranslateToRelatedEntitySplitHalfWay() {
        DbEntity artistE = getDomain().getEntityResolver().getDbEntity("ARTIST");

        Expression e1 = Expression
                .fromString("db:paintingArray.toPaintingInfo.TEXT_REVIEW");
        Expression translated = artistE.translateToRelatedEntity(
                e1,
                "paintingArray.toGallery");
        assertEquals(
                "failure: " + translated,
                Expression
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    }

    public void testTranslateToRelatedEntityMatchingPath() {
        DbEntity artistE = getDomain().getEntityResolver().getDbEntity("ARTIST");

        Expression e1 = Expression.fromString("db:artistExhibitArray.toExhibit");
        Expression translated = artistE.translateToRelatedEntity(
                e1,
                "artistExhibitArray.toExhibit");

        assertEquals("failure: " + translated, Expression
                .fromString("db:artistExhibitArray.toArtist.artistExhibitArray.toExhibit"), translated);
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    }

    public void testTranslateToRelatedEntityToOne() {
        DbEntity paintingE = getDomain().getEntityResolver().getDbEntity("PAINTING");

        Expression e1 = Expression.fromString("db:toArtist.ARTIST_NAME = 'aa'");
        Expression translated = paintingE.translateToRelatedEntity(e1, "toArtist");

        assertEquals("failure: " + translated, Expression
                .fromString("db:ARTIST_NAME = 'aa'"), translated);
    }
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    protected void indexQualifiers(
            final PersistentDescriptor descriptor,
            EntityInheritanceTree inheritanceTree) {

        Expression qualifier;

        if (inheritanceTree != null) {
            qualifier = inheritanceTree.qualifierForEntityAndSubclasses();
        }
        else {
            qualifier = descriptor.getEntity().getDeclaredQualifier();
        }

        if (qualifier != null) {

            final Set<ObjAttribute> attributes = new HashSet<ObjAttribute>();
            final DbEntity dbEntity = descriptor.getEntity().getDbEntity();

            qualifier.traverse(new TraversalHelper() {

                @Override
                public void startNode(Expression node, Expression parentNode) {
                    if (node.getType() == Expression.DB_PATH) {
                        String path = node.getOperand(0).toString();
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        Gallery g1 = new Gallery();
        Gallery g2 = new Gallery();
        g1.setObjectId(oid1);
        g2.setObjectId(oid2);

        Expression e1 = ExpressionFactory.matchExp("toGallery", g1);
        Expression e2 = e1.orExp(ExpressionFactory.matchExp("toGallery", g2));

        TstExpressionCase extraCase = new TstExpressionCase(
                "Exhibit",
                e2,
                "(ta.GALLERY_ID = ?) OR (ta.GALLERY_ID = ?)",
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        public Object transform(Object input) {
            if (!(input instanceof Expression)) {
                return input;
            }

            Expression expression = (Expression) input;

            if (expression.getType() != Expression.DB_PATH) {
                return input;
            }

            String path = (String) expression.getOperand(0);
            String converted = translatePath(path);
            Expression transformed = ExpressionFactory
                    .expressionOfType(Expression.DB_PATH);
            transformed.setOperand(0, converted);
            return transformed;
        }
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        obj12.setToFT1(obj11);

        context.commitChanges();

        // test 1: qualify on flattened attribute
        Expression qual1 = ExpressionFactory.matchExp("ft3Array.name", "t031");
        SelectQuery query1 = new SelectQuery(FlattenedTest1.class, qual1);
        List objects1 = context.performQuery(query1);

        assertEquals(1, objects1.size());
        assertSame(obj01, objects1.get(0));

        // test 2: qualify on flattened relationship
        Expression qual2 = ExpressionFactory.matchExp("ft3Array", obj131);
        SelectQuery query2 = new SelectQuery(FlattenedTest1.class, qual2);
        List objects2 = context.performQuery(query2);

        assertEquals(1, objects2.size());
        assertSame(obj11, objects2.get(0));
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