Introduce operations on Instances, implements #464 (#602)

script:

  - android list target

  - ./gradlew connectedAndroidTest

  - ./gradlew check connectedAndroidTest

/*

 * Copyright 2017 dmfs GmbH

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package org.dmfs.provider.tasks.model;

import android.content.ContentUris;

import android.net.Uri;

import org.dmfs.tasks.contract.TaskContract;

/**

 * An abstract implementation of a {@link InstanceAdapter} to server as the base for more concrete adapters.

 *

 * @author Marten Gajda <marten@dmfs.org>

 */

public abstract class AbstractInstanceAdapter implements InstanceAdapter

{

    @Override

    public final Uri uri(String authority)

    {

        return ContentUris.withAppendedId(TaskContract.Instances.getContentUri(authority), id());

    }

}