Package org.nutz.dao

Examples of org.nutz.dao.Chain$DefaultChain$Entry


     * Issue 93
     */
    @Test
    public void test_chain_from_map() {
        Map<?, ?> map = Lang.map("{a:12,b:true,c:'haha'}");
        Chain c = Chain.from(map);
        Map<String, Object> map2 = c.toMap();
        assertTrue(Lang.equals(map, map2));
    }
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    /**
     * Issue 93
     */
    @Test
    public void test_chain_to_object() {
        Chain c = Chain.from(Lang.map("{name:'zzh',age:30}"));
        Worker w = c.toObject(Worker.class);
        assertEquals("zzh", w.name);
        assertEquals(30, w.age);
    }
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    public InsertByChainPItem(Chain chain) {
        names = new String[chain.size()];
        values = new Object[chain.size()];

        // 将值链所有内容 copy 到两个数组中去,以便之后遍历
        Chain c = chain.head();
        int i = 0;
        while (null != c) {
            names[i] = c.name();
            values[i] = c.value();
            i++;
            c = c.next();
        }
        if (i == 0)
            throw Lang.makeThrow("Insert empty chain!");
    }
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    }

    public void joinSql(Entity<?> en, StringBuilder sb) {
        if (chain.size() > 0) {
            sb.append(" SET ");
            Chain c = chain.head();
            while (c != null) {
                sb.append(this._fmtcolnm(en, c.name()));
                sb.append("=? ,");
                c = c.next();
            }
            sb.deleteCharAt(sb.length() - 1);
            sb.append(' ');
        } else {
            throw Lang.makeThrow("Entity chain for UPDATE '%s'", en.getType().getName());
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            throw Lang.makeThrow("Entity chain for UPDATE '%s'", en.getType().getName());
        }
    }

    public int joinAdaptor(Entity<?> en, ValueAdaptor[] adaptors, int off) {
        Chain c = chain.head();
        while (c != null) {
            MappingField mf = en.getField(c.name());
            // TODO 移除这种数组下标用++的写法!!!
            if (c.adaptor() == null)
                adaptors[off++] = (null == mf ? Jdbcs.getAdaptorBy(c.value()) : mf.getAdaptor());
            else
                adaptors[off++] = c.adaptor();
            c = c.next();
        }
        return off;
    }
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