media/MediaBrowserService/Application/src/main/java/com/example/android/mediabrowserservice/model/MutableMediaMetadata.java

/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * 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 com.example.android.mediabrowserservice.model;

import android.media.MediaMetadata;
import android.text.TextUtils;

/**
 * Holder class that encapsulates a MediaMetadata and allows the actual metadata to be modified
 * without requiring to rebuild the collections the metadata is in.
 */
public class MutableMediaMetadata {

    public MediaMetadata metadata;
    public final String trackId;

    public MutableMediaMetadata(String trackId, MediaMetadata metadata) {
        this.metadata = metadata;
        this.trackId = trackId;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || o.getClass() != MutableMediaMetadata.class) {
            return false;
        }

        MutableMediaMetadata that = (MutableMediaMetadata) o;

        return TextUtils.equals(trackId, that.trackId);
    }

    @Override
    public int hashCode() {
        return trackId.hashCode();
    }
}