Examples with ManyManyLinkField org.nutz.dao.impl.entity.field.ManyManyLinkField used on opensource projects

Example 6 with ManyManyLinkField

use of org.nutz.dao.impl.entity.field.ManyManyLinkField in project nutz by nutzam.

the class AbstractJdbcExpert method dropRelation.

public void dropRelation(Dao dao, Entity<?> en) {
    final List<Sql> sqls = new ArrayList<Sql>(5);
    for (LinkField lf : en.visitManyMany(null, null, null)) {
        ManyManyLinkField mm = (ManyManyLinkField) lf;
        if (!dao.exists(mm.getRelationName()))
            continue;
        sqls.add(Sqls.create("DROP TABLE " + mm.getRelationName()));
    }
    dao.execute(sqls.toArray(new Sql[sqls.size()]));
}

Example 7 with ManyManyLinkField

use of org.nutz.dao.impl.entity.field.ManyManyLinkField in project nutz by nutzam.

the class DoInsertRelationLinkVisitor method visit.

public void visit(final Object obj, LinkField lnk) {
    // 只有多对多的映射才被考虑
    if (lnk instanceof ManyManyLinkField) {
        // 获取两边映射主键的值
        final ManyManyLinkField mm = (ManyManyLinkField) lnk;
        Object value = lnk.getValue(obj);
        final List<Map<String, Object>> list = new ArrayList<Map<String, Object>>(Lang.length(value));
        Lang.each(value, new Each<Object>() {

            public void invoke(int i, Object ele, int length) throws ExitLoop, LoopException {
                list.add(new RelationObjectMap(mm, obj, ele));
            }
        });
        if (list.isEmpty())
            return;
        Entity<Map<String, Object>> en = holder.makeEntity(mm.getRelationName(), list.get(0));
        Pojo pojo = opt.maker().makeInsert(en);
        pojo.setOperatingObject(list);
        for (Object p : list) pojo.addParamsBy(p);
        opt.add(pojo);
    }
}

Example 8 with ManyManyLinkField

use of org.nutz.dao.impl.entity.field.ManyManyLinkField in project nutz by nutzam.

the class DoUpdateRelationLinkVisitor method visit.

public void visit(Object obj, LinkField lnk) {
    if (lnk instanceof ManyManyLinkField) {
        ManyManyLinkField mm = (ManyManyLinkField) lnk;
        Entity<?> en = opt.makeEntity(mm.getRelationName(), map);
        Pojo pojo = opt.maker().makeUpdate(en, null);
        pojo.setOperatingObject(map);
        pojo.append(items);
        opt.add(pojo);
    }
}

Example 9 with ManyManyLinkField

use of org.nutz.dao.impl.entity.field.ManyManyLinkField in project nutz by nutzam.

the class DynamicEntityParsingTest method tank_many_many_link_test.

@Test
public void tank_many_many_link_test() {
    pojos.initPlatoon(1);
    TableName.set(1);
    Entity<?> en = dao.getEntity(Tank.class);
    ManyManyLinkField link = (ManyManyLinkField) en.getLinkFields("members").get(0);
    assertEquals("dao_d_m_soldier_tank_1", link.getRelationName());
    assertEquals("id", link.getLinkedPkNames()[0]);
    assertEquals("name", link.getLinkedPkNames()[1]);
    TableName.clear();
    pojos.dropPlatoon(1);
}