t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User
	DB.Preload("Account").Find(&user2, "id = ?", user.ID)
	CheckUser(t, user2, user)

	user.Account.Number += "new"
	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user3 User
	DB.Preload("Account").Find(&user3, "id = ?", user.ID)

	CheckUser(t, user2, user3)
	lastUpdatedAt := user2.Account.UpdatedAt

		t.Fatalf("Should have one address left")
	}

	if DB.Find(&[]PersonAddress{}, "person_id = ?", person.ID).RowsAffected != 1 {
		t.Fatalf("Should found one address")
	}

	var addresses2 []Address
	if err := DB.Model(&person).Association("Addresses").Find(&addresses2); err != nil || len(addresses2) != 1 {
		t.Fatalf("Failed to find address, got error %v, length: %v", err, len(addresses2))
	}

            }
        } else {
            logMessage(Diagnostic.Kind.NOTE, "Content unchanged. Skipping file update.");
        }
    }

    /**
     * Logs a message to the annotation processing environment.
     *
     * @param kind the kind of diagnostic message
     * @param message the message to log
     */
    private void logMessage(Diagnostic.Kind kind, String message) {

	}

	var user2 User
	DB.Preload("Pets").Find(&user2, "id = ?", user.ID)
	CheckUser(t, user2, user)

	for _, pet := range user.Pets {
		pet.Name += "new"
	}

	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user3 User
	DB.Preload("Pets").Find(&user3, "id = ?", user.ID)
	CheckUser(t, user2, user3)

	<hoge:item sex="male" custid="A12345">
		<hoge:name>鈴木太郎</hoge:name>
		<hoge:access kind="email"></hoge:access>
		<hoge:access kind="url">http://www.taro.com/</hoge:access>
		<hoge:image file="taro.png" />
	</hoge:item>
	<hoge:item sex="male" custid="B23456">
		<hoge:name>佐藤二朗</hoge:name>
		<hoge:access kind="email">******@****.***</hoge:access>
		<hoge:image file="jiro.png" />
	</hoge:item>

      represent, as a whole, an original work of authorship. For the purposes
      of this License, Derivative Works shall not include works that remain
      separable from, or merely link (or bind by name) to the interfaces of,
      the Work and Derivative Works thereof.

      "Contribution" shall mean any work of authorship, including
      the original version of the Work and any modifications or additions

      represent, as a whole, an original work of authorship. For the purposes
      of this License, Derivative Works shall not include works that remain
      separable from, or merely link (or bind by name) to the interfaces of,
      the Work and Derivative Works thereof.

      "Contribution" shall mean any work of authorship, including
      the original version of the Work and any modifications or additions

        <item sex="male" custid="A12345">
                <name>鈴木太郎</name>
                <access kind="email"></access>
                <access kind="url">http://www.taro.com/</access>
                <image file="taro.png" />
        </item>
        <item sex="male" custid="B23456">
                <name>佐藤二朗</name>
                <access kind="email">******@****.***</access>
                <image file="jiro.png" />
        </item>

		t.Error(err)
	}

	var got Level2
	if err := DB.Preload("Level1s").Find(&got, "value = ?", "Bob").Error; err != nil {
		t.Error(err)
	}

	if !reflect.DeepEqual(got, want) {
		t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))
	}

	var got2 Level2
	if err := DB.Preload("Level1s").Find(&got2, "value = ?", "Tom").Error; err != nil {
		t.Error(err)
	}

    }

    /**
     * Get the preferred size for send operations
     *
     * @return preferred send size in bytes
     */
    public int getPreferredSendSize() {
        return preferredSendSize;
    }

    /**
     * Set the preferred size for send operations
     *
     * @param preferredSendSize preferred send size in bytes
     */