Examples with ObjRelationship org.apache.cayenne.map.ObjRelationship used on opensource projects

Example 16 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class DropColumnToModelIT method testRemoveFKColumnWithoutRelationshipInDb.

@Test
public void testRemoveFKColumnWithoutRelationshipInDb() throws Exception {
    dropTableIfPresent("NEW_TABLE");
    dropTableIfPresent("NEW_TABLE2");
    assertTokensAndExecute(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(2, 0);
    assertTokensAndExecute(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.setTargetEntityName(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.setTargetEntityName(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.setTargetEntityName(objEntity2);
    objEntity1.addRelationship(objRel1To2);
    ObjRelationship objRel2To1 = new ObjRelationship("objRel2To1");
    objRel2To1.addDbRelationship(rel2To1);
    objRel2To1.setSourceEntity(objEntity2);
    objRel2To1.setTargetEntityName(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());
    if (!(token0 instanceof DropRelationshipToModel && token1 instanceof DropColumnToModel || token1 instanceof DropRelationshipToModel && token0 instanceof DropColumnToModel)) {
        fail();
    }
    // do not execute DropRelationshipToModel, only DropColumnToModel.
    if (token1 instanceof DropColumnToModel) {
        execute(token1);
    } else {
        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
    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);
    resolver.refreshMappingCache();
    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);
}

Example 17 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class DiffProcessor method arcDeleted.

@Override
public void arcDeleted(Object nodeId, Object targetNodeId, Object arcId) {
    ObjectId id = (ObjectId) nodeId;
    String relationshipName = arcId.toString();
    ObjEntity entity = entityResolver.getObjEntity(id.getEntityName());
    ObjRelationship relationship = entity.getRelationship(relationshipName);
    MutableObjectChange c = changeSet.getOrCreate(id, ObjectChangeType.UPDATE);
    ObjectId tid = (ObjectId) targetNodeId;
    if (relationship.isToMany()) {
        c.toManyRelationshipDisconnected(relationshipName, tid);
    } else {
        c.toOneRelationshipDisconnected(relationshipName, tid);
    }
}

Example 18 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class EntityMergeSupport method createObjRelationship.

private boolean createObjRelationship(ObjEntity entity, DbRelationship dr, String targetEntityName) {
    ObjRelationship or = new ObjRelationship();
    or.setName(NameBuilder.builder(or, entity).baseName(nameGenerator.relationshipName(dr)).name());
    or.addDbRelationship(dr);
    Map<String, ObjEntity> objEntities = entity.getDataMap().getSubclassesForObjEntity(entity);
    boolean hasFlattingAttributes = false;
    boolean needGeneratedEntity = true;
    if (objEntities.containsKey(targetEntityName)) {
        needGeneratedEntity = false;
    }
    for (ObjEntity subObjEntity : objEntities.values()) {
        for (ObjAttribute objAttribute : subObjEntity.getAttributes()) {
            String path = objAttribute.getDbAttributePath();
            if (path != null) {
                if (path.startsWith(or.getDbRelationshipPath())) {
                    hasFlattingAttributes = true;
                    break;
                }
            }
        }
    }
    if (!hasFlattingAttributes) {
        if (needGeneratedEntity) {
            or.setTargetEntityName(targetEntityName);
            or.setSourceEntity(entity);
        }
        entity.addRelationship(or);
        fireRelationshipAdded(or);
    }
    return needGeneratedEntity;
}

Example 19 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class DefaultDbImportAction method relationshipsSanity.

private void relationshipsSanity(DataMap executed) {
    for (ObjEntity objEntity : executed.getObjEntities()) {
        List<ObjRelationship> rels = new LinkedList<>(objEntity.getRelationships());
        for (ObjRelationship rel : rels) {
            if (rel.getSourceEntity() == null || rel.getTargetEntity() == null) {
                logger.error("Incorrect obj relationship source or target entity is null: " + rel);
                objEntity.removeRelationship(rel.getName());
            }
        }
    }
}

Example 20 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class ObjEntityRelationshipPanel method rebuildTable.

protected void rebuildTable(ObjEntity entity) {
    final ObjRelationshipTableModel model = new ObjRelationshipTableModel(entity, mediator, this);
    model.addTableModelListener(new TableModelListener() {

        public void tableChanged(TableModelEvent e) {
            if (table.getSelectedRow() >= 0) {
                ObjRelationship rel = model.getRelationship(table.getSelectedRow());
                enabledResolve = rel.getSourceEntity().getDbEntity() != null;
                resolveMenu.setEnabled(enabledResolve);
            }
        }
    });
    table.setModel(model);
    table.setRowHeight(25);
    table.setRowMargin(3);
    TableColumn col = table.getColumnModel().getColumn(ObjRelationshipTableModel.REL_TARGET_PATH);
    col.setCellEditor(new DbRelationshipPathComboBoxEditor());
    col.setCellRenderer(new DefaultTableCellRenderer() {

        @Override
        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
            super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
            setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0));
            setToolTipText("To choose relationship press enter two times.To choose next relationship press dot.");
            return this;
        }
    });
    col = table.getColumnModel().getColumn(ObjRelationshipTableModel.REL_DELETE_RULE);
    JComboBox deleteRulesCombo = Application.getWidgetFactory().createComboBox(DELETE_RULES, false);
    deleteRulesCombo.setFocusable(false);
    deleteRulesCombo.setEditable(true);
    ((JComponent) deleteRulesCombo.getEditor().getEditorComponent()).setBorder(null);
    deleteRulesCombo.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0));
    // Default to the first value
    deleteRulesCombo.setSelectedIndex(0);
    col.setCellEditor(Application.getWidgetFactory().createCellEditor(deleteRulesCombo));
    tablePreferences.bind(table, null, null, null, ObjRelationshipTableModel.REL_NAME, true);
}