| /* |
| * Copyright (C) 2021 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 android.media.metrics; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.TestApi; |
| |
| import java.util.Objects; |
| |
| /** |
| * An instances of this class represents the ID of a log session. |
| */ |
| public final class LogSessionId { |
| @NonNull private final String mSessionId; |
| |
| /** |
| * A {@link LogSessionId} object which is used to clear any existing session ID. |
| */ |
| @NonNull public static final LogSessionId LOG_SESSION_ID_NONE = new LogSessionId(""); |
| |
| /** @hide */ |
| @TestApi |
| public LogSessionId(@NonNull String id) { |
| mSessionId = Objects.requireNonNull(id); |
| } |
| |
| /** Returns the ID represented by a string. */ |
| @NonNull |
| public String getStringId() { |
| return mSessionId; |
| } |
| |
| @Override |
| public String toString() { |
| return mSessionId; |
| } |
| |
| @Override |
| public boolean equals(@Nullable Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| LogSessionId that = (LogSessionId) o; |
| return Objects.equals(mSessionId, that.mSessionId); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(mSessionId); |
| } |
| } |