| /* |
| * Copyright (C) 2017 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.system; |
| |
| import libcore.util.Objects;; |
| |
| /** |
| * Corresponds to C's {@code struct timespec} from {@code <time.h>}. |
| */ |
| public final class StructTimespec implements Comparable<StructTimespec> { |
| /** Seconds part of time of last data modification. */ |
| public final long tv_sec; /*time_t*/ |
| |
| /** Nanoseconds (values are [0, 999999999]). */ |
| public final long tv_nsec; |
| |
| public StructTimespec(long tv_sec, long tv_nsec) { |
| this.tv_sec = tv_sec; |
| this.tv_nsec = tv_nsec; |
| if (tv_nsec < 0 || tv_nsec > 999_999_999) { |
| throw new IllegalArgumentException( |
| "tv_nsec value " + tv_nsec + " is not in [0, 999999999]"); |
| } |
| } |
| |
| @Override |
| public int compareTo(StructTimespec other) { |
| if (tv_sec > other.tv_sec) { |
| return 1; |
| } |
| if (tv_sec < other.tv_sec) { |
| return -1; |
| } |
| if (tv_nsec > other.tv_nsec) { |
| return 1; |
| } |
| if (tv_nsec < other.tv_nsec) { |
| return -1; |
| } |
| return 0; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| StructTimespec that = (StructTimespec) o; |
| |
| if (tv_sec != that.tv_sec) return false; |
| return tv_nsec == that.tv_nsec; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = (int) (tv_sec ^ (tv_sec >>> 32)); |
| result = 31 * result + (int) (tv_nsec ^ (tv_nsec >>> 32)); |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| return Objects.toString(this); |
| } |
| } |