Examples of org.apache.cayenne.access.DataContext.performQuery()

Class org.apache.cayenne.access.DataContext

Examples of org.apache.cayenne.access.DataContext.performQuery()

org.apache.cayenne.access.DataContext.performQuery()
Performs a single selecting query. Various query setting control the behavior of this method and the results returned:
- Query caching policy defines whether the results are retrieved from cache or fetched from the database. Note that queries that use caching must have a name that is used as a caching key.
- Query refreshing policy controls whether to refresh existing data objects and ignore any cached values.
- Query data rows policy defines whether the result should be returned as DataObjects or DataRows.
Since 1.2 takes any Query parameter, not just GenericSelectQuery
@return A list of DataObjects or a DataRows, depending on the value returned by{@link QueryMetadata#isFetchingDataRows()}.

                }


                list = dataContext.performQuery(query);


            } else if (getNamedQuery() != null) {
                list = dataContext.performQuery(getNamedQuery());


            } else if (getQueryName() != null) {
                 list = dataContext.performQuery(getQueryName(), false);


            } else {

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            } else if (getNamedQuery() != null) {
                list = dataContext.performQuery(getNamedQuery());


            } else if (getQueryName() != null) {
                 list = dataContext.performQuery(getQueryName(), false);


            } else {
                Class doClass = form.getDataObjectClass();
                String getterName = ClickUtils.toGetterName(getName());
                Method method = doClass.getMethod(getterName);

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                } else if (getOptionLabel() != null && !orderingApplied) {
                    query.addOrdering(getOptionLabel(), true);
                    orderingApplied = true;
                }


                list = dataContext.performQuery(query);
            }


            if (isRequired() && getOptionList().isEmpty() || isOptional()) {
                getOptionList().add(Option.EMPTY_OPTION);
            }

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        obj.setNumber(3);


        context.commitChanges();


        SelectQuery query = new SelectQuery(MtTableBool.class);
        List<MtTableBool> results = dataContext.performQuery(query);


        assertTrue(results.get(0).isBlablacheck());
        assertEquals(3, results.get(0).getNumber());


        obj.setBlablacheck(false);

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        assertEquals(0, a1.getGroupArray().size());


        SelectQuery q = new SelectQuery(ArtGroup.class, ExpressionFactory.matchExp(
                "name",
                "g1"));
        List results = context.performQuery(q);
        assertEquals(1, results.size());


        assertFalse(context.hasChanges());
        ArtGroup group = (ArtGroup) results.get(0);
        a1.addToGroupArray(group);

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        Artist a1 = DataObjectUtils.objectForPK(context, Artist.class, 33001);


        SelectQuery q = new SelectQuery(ArtGroup.class, ExpressionFactory.matchExp(
                "name",
                "g1"));
        List results = context.performQuery(q);
        assertEquals(1, results.size());


        ArtGroup group = (ArtGroup) results.get(0);
        a1.addToGroupArray(group);

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        Artist a1 = DataObjectUtils.objectForPK(context, Artist.class, 33001);


        SelectQuery q = new SelectQuery(ArtGroup.class, ExpressionFactory.matchExp(
                "name",
                "g1"));
        List results = context.performQuery(q);
        assertEquals(1, results.size());


        ArtGroup group = (ArtGroup) results.get(0);
        a1.addToGroupArray(group);
        group.removeFromArtistArray(a1);

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        DataContext context = createDataContext();


        Artist a1 = DataObjectUtils.objectForPK(context, Artist.class, 33001);


        SelectQuery q = new SelectQuery(ArtGroup.class);
        List results = context.performQuery(q);
        assertEquals(2, results.size());


        ArtGroup g1 = (ArtGroup) results.get(0);
        ArtGroup g2 = (ArtGroup) results.get(1);
        a1.addToGroupArray(g1);

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        obj.setBlablacheck(false);
        obj.setNumber(8);
        context.commitChanges();


        query = new SelectQuery(MtTableBool.class);
        results = dataContext.performQuery(query);


        assertFalse(results.get(0).isBlablacheck());
        assertEquals(8, results.get(0).getNumber());


    }

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        context.commitChanges();


        assertNotSame(context2, context);


        List<Artist> objects = context2.performQuery(query);
        assertEquals(1, objects.size());


        // 2 same objects in different contexts
        assertTrue(e.match(objects.get(0)));

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