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Diffstat (limited to 'src/com/android/tv/dvr/IdGenerator.java')
-rw-r--r-- | src/com/android/tv/dvr/IdGenerator.java | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/com/android/tv/dvr/IdGenerator.java b/src/com/android/tv/dvr/IdGenerator.java new file mode 100644 index 00000000..0ed6362c --- /dev/null +++ b/src/com/android/tv/dvr/IdGenerator.java @@ -0,0 +1,50 @@ +/* + * Copyright (C) 2016 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.android.tv.dvr; + +import java.util.concurrent.atomic.AtomicLong; + +/** + * A class which generate the ID which increases sequentially. + */ +public class IdGenerator { + /** + * ID generator for the scheduled recording. + */ + public static final IdGenerator SCHEDULED_RECORDING = new IdGenerator(); + + /** + * ID generator for the series recording. + */ + public static final IdGenerator SERIES_RECORDING = new IdGenerator(); + + private final AtomicLong mMaxId = new AtomicLong(0); + + /** + * Sets the new maximum ID. + */ + public void setMaxId(long maxId) { + mMaxId.set(maxId); + } + + /** + * Returns the new ID which is greater than the existing maximum ID by 1. + */ + public long newId() { + return mMaxId.incrementAndGet(); + } +} |