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16 | 16 |
|
17 | 17 | package com.google.cloud.pubsub; |
18 | 18 |
|
19 | | -import com.google.auto.value.AutoValue; |
| 19 | +import javax.annotation.concurrent.Immutable; |
20 | 20 |
|
21 | 21 | /** |
22 | 22 | * A snapshot of the subscriber statistics at the time they were requested from the {@link |
23 | 23 | * Subscriber}. |
24 | 24 | */ |
25 | 25 | //TODO: Finish implementation. |
26 | | -@AutoValue |
27 | | -public abstract class SubscriberStats { |
28 | | - @AutoValue |
29 | | - public static abstract class Stats {} |
| 26 | +@Immutable |
| 27 | +public class SubscriberStats { |
| 28 | + @Immutable |
| 29 | + public static class Stats {} |
30 | 30 |
|
31 | | - /** Number of received messages. */ |
32 | | - public abstract long totalReceivedMessages(); |
| 31 | + private final long totalReceivedMessages; |
| 32 | + private final long totalAckedMessages; |
| 33 | + private final Stats endToEndLatency; |
| 34 | + private final Stats ackLatency; |
| 35 | + private final long numberOfAutoExtendedAckDeadlines; |
| 36 | + |
| 37 | + SubscriberStats() { |
| 38 | + this.totalReceivedMessages = 0; |
| 39 | + this.totalAckedMessages = 0; |
| 40 | + this.numberOfAutoExtendedAckDeadlines = 0; |
| 41 | + this.endToEndLatency = null; |
| 42 | + this.ackLatency = null; |
| 43 | + } |
| 44 | + |
| 45 | + /** Number of successfully published messages. */ |
| 46 | + public long getReceivedMessages() { |
| 47 | + return totalReceivedMessages; |
| 48 | + } |
33 | 49 |
|
34 | 50 | /** Number of successfully published messages. */ |
35 | | - public abstract long totalAckedMessages(); |
| 51 | + public long getAckedMessages() { |
| 52 | + return totalAckedMessages; |
| 53 | + } |
| 54 | + |
| 55 | + /** Number of received messages. */ |
| 56 | + public long getTotalReceivedMessages() { |
| 57 | + return totalReceivedMessages; |
| 58 | + } |
| 59 | + |
| 60 | + /** Number messages acked. */ |
| 61 | + public long getTotalAckedMessages() { |
| 62 | + return totalAckedMessages; |
| 63 | + } |
36 | 64 |
|
37 | 65 | /** End to end latency. */ |
38 | | - public abstract Stats endToEndLatency(); |
| 66 | + public Stats getEndToEndLatency() { |
| 67 | + return endToEndLatency; |
| 68 | + } |
39 | 69 |
|
40 | 70 | /** |
41 | | - * Acknowledgement latency. The duration between the message being received and |
42 | | - * being acknowledged or rejected. |
| 71 | + * Acknowledgement latency; time in between the message has been received and then acknowledged or |
| 72 | + * rejected. |
43 | 73 | */ |
44 | | - public abstract Stats ackLatency(); |
| 74 | + public Stats getAckLatency() { |
| 75 | + return ackLatency; |
| 76 | + } |
45 | 77 |
|
46 | 78 | /** Number of messages for which we have auto extended its acknowledgement deadline. */ |
47 | | - public abstract long numberOfAutoExtendedAckDeadlines(); |
| 79 | + public long getNumberOfAutoExtendedAckDeadlines() { |
| 80 | + return numberOfAutoExtendedAckDeadlines; |
| 81 | + } |
48 | 82 | } |
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