Package org.apache.openjpa.kernel

Examples of org.apache.openjpa.kernel.Query

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        assertEquals(CacheObjectB.class, types[1]);
    }

    public void testSingleProjectionOfNonThisRelation() {
        Broker broker = getBroker();
        Query q =
            broker.newQuery(JPQLParser.LANG_JPQL, "select a.relatedB FROM " +
                CacheObjectA.class.getSimpleName() + " a");

        Class[] types = q.getProjectionTypes();
        assertEquals(1, types.length);
        assertEquals(CacheObjectB.class, types[0]);
    }
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        assertEquals(CacheObjectB.class, types[0]);
    }

    public void testSingleProjectionOfThisRelation() {
        Broker broker = getBroker();
        Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a FROM " +
            CacheObjectA.class.getSimpleName() + " a");
        Class[] types = q.getProjectionTypes();
        assertEquals(0, types.length);
    }
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        assertEquals(0, types.length);
    }

    public void testNoResultClause() {
        Broker broker = getBroker();
        Query q =
            broker.newQuery(JPQLParser.LANG_JPQL, "select a FROM " +
                CacheObjectA.class.getSimpleName() + " a");
        Class[] types = q.getProjectionTypes();
        assertEquals(0, types.length);
    }
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    public void testPCParameter() {
        Broker broker = _factory.newBroker();
        broker.begin();
        CacheObjectE e = (CacheObjectE) broker.find(_eId, true, null);
        Query q = broker.newQuery(JPQLParser.LANG_JPQL,
            "select a from " +
                CacheObjectJ.class.getSimpleName() + " a where a.e = :param");

        Collection c = (Collection) q.execute(new Object[]{ e });
        CacheTestHelper.iterate(c);
        Object o = c.iterator().next();
        assertTrue(o instanceof CacheObjectJ);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE, new Object[]{ e });

        q = broker.newQuery(JPQLParser.LANG_JPQL,
            "select a from " +
                CacheObjectJ.class.getSimpleName() + " a where a.e = :param");

        c = (Collection) q.execute(new Object[]{ e });
        Object o2 = c.iterator().next();
        assertTrue(o2 instanceof CacheObjectJ);
        assertTrue(o == o2);

        broker.commit();
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        rawHelper(false, Object[].class, "age, a.name", false);
    }

    private void arrayHelper(boolean unique, Collection recordClasses,
        Collection results, boolean inCache) {
        Query q = setUpQuery(unique, results);
        q.setResultType(Object[].class);
        if (unique) {
            arrayResultHelper(q.execute(), recordClasses, inCache);
        } else {
            for (Iterator iter = ((List) q.execute()).iterator(); iter
                .hasNext();)
                arrayResultHelper(iter.next(), recordClasses, inCache);
        }

        CacheTestHelper.assertInCache(this, q, new Boolean(inCache));

        if (unique) {
            arrayResultHelper(q.execute(), recordClasses, inCache);
        } else {
            for (Iterator iter = ((List) q.execute()).iterator(); iter
                .hasNext();)
                arrayResultHelper(iter.next(), recordClasses, inCache);
        }
    }
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            assertEquals(((ArrayList) recordClasses).get(i), os[i].getClass());
    }

    private void mapHelper(boolean unique, Collection recordClasses,
        Collection results, boolean inCache) {
        Query q = setUpQuery(unique, results);
        System.out.println("Query String " + q.getQueryString());
        Collection coll = null;
        if (q.execute() != null && (q.execute() instanceof Collection)) {
            coll = (Collection) q.execute();
        }
        System.out.println("Type of q.execute is : " + q.execute().getClass());

        Iterator it = coll.iterator();
        while (it.hasNext())
            System.out.println("Query result is " + it.next().getClass());

        q.setResultType(HashMap.class);

        if (unique) {
            mapResultHelper(q.execute(), recordClasses, results, inCache);
        } else {
            for (Iterator iter = ((Collection) q.execute()).iterator();
                iter.hasNext();)
                mapResultHelper(iter.next(), recordClasses, results, inCache);
        }

        CacheTestHelper.assertInCache(this, q, new Boolean(inCache));

        if (unique) {
            mapResultHelper(q.execute(), recordClasses, results, inCache);
        } else {
            for (Iterator iter = ((List) q.execute()).iterator(); iter
                .hasNext();)
                mapResultHelper(iter.next(), recordClasses, results, inCache);
        }
    }
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    private void rawHelper(boolean unique, Class recordClass, String result,
        boolean inCache) {
        ArrayList<String> l = new ArrayList<String>();
        l.add(result);
        Collection res = (result == null) ? null : l;
        Query q = setUpQuery(unique, res);
        if (unique)
            assertEquals(recordClass, q.execute().getClass());
        else {
            q.setUnique(unique);
            for (Iterator iter = ((List) q.execute()).iterator(); iter
                .hasNext();)
                assertEquals(recordClass, iter.next().getClass());
        }

        CacheTestHelper.assertInCache(this, q, new Boolean(inCache));

        if (unique) {
            assertEquals(recordClass, q.execute().getClass());
        } else {
            for (Iterator iter = ((List) q.execute()).iterator(); iter
                .hasNext();)
                assertEquals(recordClass, iter.next().getClass());
        }
    }
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        }

        if (unique)
            filter += " where a.age = 0";
        System.out.println("****Query: " + filter);
        Query q = _broker.newQuery(JPQLParser.LANG_JPQL, filter);
        q.setUnique(unique);
        q.setCandidateType(CacheObjectAChild1.class, false);

        return q;
    }
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        assertEquals(CacheObjectAChild1.class, l.get(0).getClass());
    }

    public void testNonNullRelationOfSameTypeAsCandidate() {
        Broker broker = _factory.newBroker();
        Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a.o FROM " +
            SelfReferencingCacheTestObject.class.getSimpleName() +
            " a where a.o IS NOT NULL");

        List l = (List) q.execute();
        assertEquals(SelfReferencingCacheTestObject.class,
            l.get(0).getClass());
        assertEquals("bar",
            ((SelfReferencingCacheTestObject) l.get(0)).getStr());
        CacheTestHelper.iterate(l);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);

        l = (List) q.execute();
        assertEquals(SelfReferencingCacheTestObject.class,
            l.get(0).getClass());
        assertEquals("bar",
            ((SelfReferencingCacheTestObject) l.get(0)).getStr());
    }
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            ((SelfReferencingCacheTestObject) l.get(0)).getStr());
    }

    public void testNullRelationOfSameTypeAsCandidate() {
        Broker broker = _factory.newBroker();
        Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a.o FROM " +
            SelfReferencingCacheTestObject.class.getSimpleName() +
            " a where a.o IS NULL");

        List l = (List) q.execute();
        assertNull(l.get(0));
        CacheTestHelper.iterate(l);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);

        l = (List) q.execute();
        assertNull(l.get(0));
    }
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Related Classes of org.apache.openjpa.kernel.Query

  • org.apache.openjpa.conf.MetaDataCacheMaintenance
  • org.apache.openjpa.persistence.datacache.TestJPQL2Queries
  • org.apache.openjpa.persistence.datacache.TestJPQL2ResultsAndResultClasses
  • org.apache.openjpa.persistence.datacache.TestJPQLRelationProjections
  • org.apache.openjpa.persistence.datacache.TestMutableParameters
  • org.apache.openjpa.persistence.datacache.TestPCParametersInQueries
  • org.apache.openjpa.persistence.datacache.TestQueryResultTypes
  • org.apache.openjpa.persistence.datacache.TestResultShapes
  • org.apache.openjpa.persistence.jdbc.kernel.TestByteArrayAppId
  • org.apache.openjpa.persistence.jpql.expressions.TestInMemoryScalarExpressions
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