Package org.apache.cayenne.map

Examples of org.apache.cayenne.map.DbEntity

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    public void testSimpleColumn() throws Exception {
        dropTableIfPresent(node, "NEW_TABLE");

        assertTokensAndExecute(node, map, 0, 0);

        DbEntity dbEntity = new DbEntity("NEW_TABLE");

        DbAttribute column1 = new DbAttribute("ID", Types.INTEGER, dbEntity);
        column1.setMandatory(true);
        column1.setPrimaryKey(true);
        dbEntity.addAttribute(column1);

        DbAttribute column2 = new DbAttribute("NAME", Types.VARCHAR, dbEntity);
        column2.setMaxLength(10);
        column2.setMandatory(false);
        dbEntity.addAttribute(column2);

        map.addDbEntity(dbEntity);

        assertTokensAndExecute(node, map, 1, 0);
        assertTokensAndExecute(node, map, 0, 0);

        ObjEntity objEntity = new ObjEntity("NewTable");
        objEntity.setDbEntity(dbEntity);
        ObjAttribute oatr1 = new ObjAttribute("name");
        oatr1.setDbAttributePath(column2.getName());
        oatr1.setType("java.lang.String");       
        objEntity.addAttribute(oatr1);
        map.addObjEntity(objEntity);

        // force drop name column in db
        MergerToken token = mergerFactory().createDropColumnToDb(dbEntity, column2);
        execute(token);

        List<MergerToken> tokens = createMergeTokens();
        assertEquals(1, tokens.size());
        token = tokens.get(0);
        if (token.getDirection().isToDb()) {
            token = token.createReverse(mergerFactory());
        }
        assertTrue(token instanceof DropColumnToModel);
        execute(token);
        assertNull(dbEntity.getAttribute(column2.getName()));
        assertNull(objEntity.getAttribute(oatr1.getName()));

        DataContext ctxt = createDataContext();

        // clear up
        map.removeObjEntity(objEntity.getName(), true);
        map.removeDbEntity(dbEntity.getName(), true);
        ctxt.getEntityResolver().clearCache();
        assertNull(map.getObjEntity(objEntity.getName()));
        assertNull(map.getDbEntity(dbEntity.getName()));
        assertFalse(map.getDbEntities().contains(dbEntity));

        assertTokensAndExecute(node, map, 1, 0);
        assertTokensAndExecute(node, map, 0, 0);
    }
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        dropTableIfPresent(node, "NEW_TABLE");
        dropTableIfPresent(node, "NEW_TABLE2");

        assertTokensAndExecute(node, map, 0, 0);

        DbEntity dbEntity1 = new DbEntity("NEW_TABLE");

        DbAttribute e1col1 = new DbAttribute("ID", Types.INTEGER, dbEntity1);
        e1col1.setMandatory(true);
        e1col1.setPrimaryKey(true);
        dbEntity1.addAttribute(e1col1);

        DbAttribute e1col2 = new DbAttribute("NAME", Types.VARCHAR, dbEntity1);
        e1col2.setMaxLength(10);
        e1col2.setMandatory(false);
        dbEntity1.addAttribute(e1col2);

        map.addDbEntity(dbEntity1);

        DbEntity dbEntity2 = new DbEntity("NEW_TABLE2");
        DbAttribute e2col1 = new DbAttribute("ID", Types.INTEGER, dbEntity2);
        e2col1.setMandatory(true);
        e2col1.setPrimaryKey(true);
        dbEntity2.addAttribute(e2col1);
        DbAttribute e2col2 = new DbAttribute("FK", Types.INTEGER, dbEntity2);
        dbEntity2.addAttribute(e2col2);
        DbAttribute e2col3 = new DbAttribute("NAME", Types.VARCHAR, dbEntity2);
        e2col3.setMaxLength(10);
        dbEntity2.addAttribute(e2col3);

        map.addDbEntity(dbEntity2);

        assertTokensAndExecute(node, map, 2, 0);
        assertTokensAndExecute(node, map, 0, 0);
       
        // force drop fk column in db
        execute(mergerFactory().createDropColumnToDb(dbEntity2, e2col2));

        // create db relationships, but do not sync them to db
        DbRelationship rel1To2 = new DbRelationship("rel1To2");
        rel1To2.setSourceEntity(dbEntity1);
        rel1To2.setTargetEntity(dbEntity2);
        rel1To2.setToMany(true);
        rel1To2.addJoin(new DbJoin(rel1To2, e1col1.getName(), e2col2.getName()));
        dbEntity1.addRelationship(rel1To2);
        DbRelationship rel2To1 = new DbRelationship("rel2To1");
        rel2To1.setSourceEntity(dbEntity2);
        rel2To1.setTargetEntity(dbEntity1);
        rel2To1.setToMany(false);
        rel2To1.addJoin(new DbJoin(rel2To1, e2col2.getName(), e1col1.getName()));
        dbEntity2.addRelationship(rel2To1);
        assertSame(rel1To2, rel2To1.getReverseRelationship());
        assertSame(rel2To1, rel1To2.getReverseRelationship());

        // create ObjEntities
        ObjEntity objEntity1 = new ObjEntity("NewTable");
        objEntity1.setDbEntity(dbEntity1);
        ObjAttribute oatr1 = new ObjAttribute("name");
        oatr1.setDbAttributePath(e1col2.getName());
        oatr1.setType("java.lang.String");
        objEntity1.addAttribute(oatr1);
        map.addObjEntity(objEntity1);
        ObjEntity objEntity2 = new ObjEntity("NewTable2");
        objEntity2.setDbEntity(dbEntity2);
        ObjAttribute o2a1 = new ObjAttribute("name");
        o2a1.setDbAttributePath(e2col3.getName());
        o2a1.setType("java.lang.String");
        objEntity2.addAttribute(o2a1);
        map.addObjEntity(objEntity2);
       
        // create ObjRelationships
        assertEquals(0, objEntity1.getRelationships().size());
        assertEquals(0, objEntity2.getRelationships().size());
        ObjRelationship objRel1To2 = new ObjRelationship("objRel1To2");
        objRel1To2.addDbRelationship(rel1To2);
        objRel1To2.setSourceEntity(objEntity1);
        objRel1To2.setTargetEntity(objEntity2);
        objEntity1.addRelationship(objRel1To2);
        ObjRelationship objRel2To1 = new ObjRelationship("objRel2To1");
        objRel2To1.addDbRelationship(rel2To1);
        objRel2To1.setSourceEntity(objEntity2);
        objRel2To1.setTargetEntity(objEntity1);
        objEntity2.addRelationship(objRel2To1);
        assertEquals(1, objEntity1.getRelationships().size());
        assertEquals(1, objEntity2.getRelationships().size());
        assertSame(objRel1To2, objRel2To1.getReverseRelationship());
        assertSame(objRel2To1, objRel1To2.getReverseRelationship());

        // try do use the merger to remove the column and relationship in the model
        List<MergerToken> tokens = createMergeTokens();
        assertTokens(tokens, 2, 0);
        // TODO: reversing the following two tokens should also reverse the order
        MergerToken token0 = tokens.get(0).createReverse(mergerFactory());
        MergerToken token1 = tokens.get(1).createReverse(mergerFactory());
        assertTrue(token0.getClass().getName(), token0 instanceof DropColumnToModel);
        assertTrue(token1.getClass().getName(), token1 instanceof DropRelationshipToModel);
        // do not execute DropRelationshipToModel, only DropColumnToModel.
        execute(token0);
       
        // check after merging
        assertNull(dbEntity2.getAttribute(e2col2.getName()));
        assertEquals(0, dbEntity1.getRelationships().size());
        assertEquals(0, dbEntity2.getRelationships().size());
        assertEquals(0, objEntity1.getRelationships().size());
        assertEquals(0, objEntity2.getRelationships().size());

        // clear up
        DataContext ctxt = createDataContext();
        dbEntity1.removeRelationship(rel1To2.getName());
        dbEntity2.removeRelationship(rel2To1.getName());
        map.removeObjEntity(objEntity1.getName(), true);
        map.removeDbEntity(dbEntity1.getName(), true);
        map.removeObjEntity(objEntity2.getName(), true);
        map.removeDbEntity(dbEntity2.getName(), true);
        ctxt.getEntityResolver().clearCache();
        assertNull(map.getObjEntity(objEntity1.getName()));
        assertNull(map.getDbEntity(dbEntity1.getName()));
        assertNull(map.getObjEntity(objEntity2.getName()));
        assertNull(map.getDbEntity(dbEntity2.getName()));
        assertFalse(map.getDbEntities().contains(dbEntity1));
        assertFalse(map.getDbEntities().contains(dbEntity2));

        assertTokensAndExecute(2, 0);
        assertTokensAndExecute(0, 0);
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        assertEquals(TypesMapping.getSqlNameByType(type), types[0]);
    }
   
    public void testCreateTableQuoteSqlIdentifiers() {
        
        DbEntity entity = new DbEntity();
        DbAttribute attr = new DbAttribute();
        attr.setName("name column");
        attr.setType(1);
        entity.addAttribute(attr);
       
        DbKeyGenerator id = new DbKeyGenerator();
        entity.setPrimaryKeyGenerator(id);
       
        DataMap dm = new DataMap();       
        dm.setQuotingSQLIdentifiers(true);
        entity.setDataMap(dm);
        entity.setName("name table");
        if(getAccessStackAdapter().getAdapter() instanceof MySQLAdapter){
            MySQLAdapter adaptMySQL = (MySQLAdapter) getAccessStackAdapter().getAdapter();            
            String str = "CREATE TABLE `name table` (`name column` CHAR NULL) ENGINE=InnoDB";           
            assertEquals(str, adaptMySQL.createTable(entity));
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public class HSQLDBAdapterTest extends TestCase {

    public void testCreateTableIgnoresDoublePrecision() {
        HSQLDBAdapter adapter = new HSQLDBAdapter();
        DbEntity e = new DbEntity("Test");
        DbAttribute dblPrec = new DbAttribute("dbl1");
        dblPrec.setType(Types.DOUBLE);
        dblPrec.setMaxLength(22);
        e.addAttribute(dblPrec);
       
        String sql = adapter.createTable(e);

        // CAY-1095.
        // Make sure the double type is preserved, but not precision constraints, due to a bug in HSQLDB.
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        assertEquals(-1, sql.indexOf("DOUBLE(22)"));
    }
   
    public void testCreateTableAddsCachedKeyword() {
        HSQLDBAdapter adapter = new HSQLDBAdapter();
        DbEntity e = new DbEntity("Test");
        DbAttribute dblPrec = new DbAttribute("dbl1");
        dblPrec.setType(Types.INTEGER);
        e.addAttribute(dblPrec);
       
        String sql = adapter.createTable(e);
       
        assertEquals(0,sql.indexOf("CREATE CACHED TABLE"));
    }
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import org.apache.cayenne.map.DbEntity;

public class SetAllowNullToDbTest extends MergeCase {

    public void test() throws Exception {
        DbEntity dbEntity = map.getDbEntity("PAINTING");
        assertNotNull(dbEntity);

        // create and add new column to model and db
        DbAttribute column = new DbAttribute("NEWCOL2", Types.VARCHAR, dbEntity);

        try {

            column.setMandatory(true);
            column.setMaxLength(10);
            dbEntity.addAttribute(column);
            assertTokensAndExecute(node, map, 2, 0);

            // check that is was merged
            assertTokensAndExecute(node, map, 0, 0);

            // set null
            column.setMandatory(false);

            // merge to db
            assertTokensAndExecute(node, map, 1, 0);

            // check that is was merged
            assertTokensAndExecute(node, map, 0, 0);

            // clean up
        }
        finally {
            dbEntity.removeAttribute(column.getName());
            assertTokensAndExecute(node, map, 1, 0);
            assertTokensAndExecute(node, map, 0, 0);
        }
    }
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    public void testAddColumn() throws Exception {
        dropTableIfPresent(node, "NEW_TABLE");
        assertTokensAndExecute(node, map, 0, 0);

        DbEntity dbEntity = new DbEntity("NEW_TABLE");

        DbAttribute column1 = new DbAttribute("ID", Types.INTEGER, dbEntity);
        column1.setMandatory(true);
        column1.setPrimaryKey(true);
        dbEntity.addAttribute(column1);

        DbAttribute column2 = new DbAttribute("NAME", Types.VARCHAR, dbEntity);
        column2.setMaxLength(10);
        column2.setMandatory(false);
        dbEntity.addAttribute(column2);

        map.addDbEntity(dbEntity);

        assertTokensAndExecute(node, map, 1, 0);
        assertTokensAndExecute(node, map, 0, 0);

        ObjEntity objEntity = new ObjEntity("NewTable");
        objEntity.setDbEntity(dbEntity);
        ObjAttribute oatr1 = new ObjAttribute("name");
        oatr1.setDbAttributePath(column2.getName());
        oatr1.setType("java.lang.String");
        objEntity.addAttribute(oatr1);
        map.addObjEntity(objEntity);

       
        // remove name column
        objEntity.removeAttribute(oatr1.getName());
        dbEntity.removeAttribute(column2.getName());
        assertNull(objEntity.getAttribute(oatr1.getName()));
        assertEquals(0, objEntity.getAttributes().size());
        assertNull(dbEntity.getAttribute(column2.getName()));

        List<MergerToken> tokens = createMergeTokens();
        assertEquals(1, tokens.size());
        MergerToken token = tokens.get(0);
        if (token.getDirection().isToDb()) {
            token = token.createReverse(mergerFactory());
        }
        assertTrue(token instanceof AddColumnToModel);
        execute(token);
        assertEquals(1, objEntity.getAttributes().size());
        assertEquals("java.lang.String", objEntity.getAttributes().iterator().next().getType());

        DataContext ctxt = createDataContext();

        // clear up
        map.removeObjEntity(objEntity.getName(), true);
        map.removeDbEntity(dbEntity.getName(), true);
        ctxt.getEntityResolver().clearCache();
        assertNull(map.getObjEntity(objEntity.getName()));
        assertNull(map.getDbEntity(dbEntity.getName()));
        assertFalse(map.getDbEntities().contains(dbEntity));

        assertTokensAndExecute(node, map, 1, 0);
        assertTokensAndExecute(node, map, 0, 0);
    }
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    protected MergerFactory mergerFactory() {
        return node.getAdapter().mergerFactory();
    }

    protected void dropTableIfPresent(DataNode node, String tableName) {
        DbEntity entity = new DbEntity(tableName);
        AbstractToDbToken t = (AbstractToDbToken) mergerFactory().createDropTableToDb(
                entity);
        try {
            for (String sql : t.createSql(node.getAdapter())) {
                executeSql(sql);
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     * @since 3.0
     */
    @Override
    public Object generatePk(DataNode node, DbAttribute pk) throws Exception {

        DbEntity entity = (DbEntity) pk.getEntity();

        switch (pk.getType()) {
            case Types.BINARY:
            case Types.VARBINARY:
                return IDUtil.pseudoUniqueSecureByteSequence(pk.getMaxLength());
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        // result in errors...

        // create needed sequences
        Iterator it = dbEntities.iterator();
        while (it.hasNext()) {
            DbEntity entity = (DbEntity) it.next();

            // the caller must take care of giving us the right entities
            // but lets check anyway
            if (!canCreatePK(entity)) {
                continue;
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  • org.apache.cayenne.access.DataDomainFlushAction
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  • org.apache.cayenne.access.DbLoaderTest
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