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()}.

        DataContext context = createDataContext();
        assertSame(getDomain(), context.getParentDataDomain());


        blockQueries();
        try {
            context.performQuery(new SelectQuery(Artist.class));
        }
        catch (AssertionFailedError e) {
            // expected...
            return;
        }

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        DataContext context = createDataContext();
        assertSame(getDomain(), context.getParentDataDomain());


        blockQueries();
        try {
            context.performQuery(new SelectQuery(Artist.class));
        }
        catch (AssertionFailedError e) {
            // expected...
            return;
        }

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    public void testCompoundPKForObject() throws Exception {
        createTestData("testCompoundPKForObject");


        DataContext context = createDataContext();
        List objects = context.performQuery(new SelectQuery(CompoundPkTestEntity.class));
        assertEquals(1, objects.size());
        DataObject object = (DataObject) objects.get(0);


        Map pk = DataObjectUtils.compoundPKForObject(object);
        assertNotNull(pk);

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    public void testIntPKForObjectFailureForCompound() throws Exception {
        createTestData("testCompoundPKForObject");


        DataContext context = createDataContext();
        List objects = context.performQuery(new SelectQuery(CompoundPkTestEntity.class));
        assertEquals(1, objects.size());
        DataObject object = (DataObject) objects.get(0);


        try {
            DataObjectUtils.intPKForObject(object);

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    public void testIntPKForObjectFailureForNonNumeric() throws Exception {
        createTestData("testIntPKForObjectNonNumeric");


        DataContext context = createDataContext();
        List objects = context.performQuery(new SelectQuery(CharPkTestEntity.class));
        assertEquals(1, objects.size());
        DataObject object = (DataObject) objects.get(0);


        try {
            DataObjectUtils.intPKForObject(object);

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    public void testPKForObjectFailureForCompound() throws Exception {
        createTestData("testCompoundPKForObject");


        DataContext context = createDataContext();
        List objects = context.performQuery(new SelectQuery(CompoundPkTestEntity.class));
        assertEquals(1, objects.size());
        DataObject object = (DataObject) objects.get(0);


        try {
            DataObjectUtils.pkForObject(object);

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    public void testIntPKForObject() throws Exception {
        createTestData("testIntPKForObject");


        DataContext context = createDataContext();
        List objects = context.performQuery(new SelectQuery(Artist.class));
        assertEquals(1, objects.size());
        DataObject object = (DataObject) objects.get(0);


        assertEquals(33001, DataObjectUtils.intPKForObject(object));
    }

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    public void testPKForObject() throws Exception {
        createTestData("testIntPKForObject");


        DataContext context = createDataContext();
        List objects = context.performQuery(new SelectQuery(Artist.class));
        assertEquals(1, objects.size());
        DataObject object = (DataObject) objects.get(0);


        assertEquals(new Long(33001), DataObjectUtils.pkForObject(object));
    }

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    public void testIntPKForObjectNonNumeric() throws Exception {
        createTestData("testIntPKForObjectNonNumeric");


        DataContext context = createDataContext();
        List objects = context.performQuery(new SelectQuery(CharPkTestEntity.class));
        assertEquals(1, objects.size());
        DataObject object = (DataObject) objects.get(0);


        assertEquals("CPK", DataObjectUtils.pkForObject(object));
    }

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


                list = dataContext.performQuery(query);


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


            } else if (getQueryName() != null) {

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