1 | package com.hammurapi.eventbus.local; |
2 | |
3 | import java.util.concurrent.locks.ReadWriteLock; |
4 | |
5 | import com.hammurapi.eventbus.AbstractEventBus; |
6 | import com.hammurapi.eventbus.HandleExtractor; |
7 | import com.hammurapi.extract.Predicate; |
8 | import com.hammurapi.store.AbstractStore; |
9 | import com.hammurapi.store.DeputyStore; |
10 | import com.hammurapi.store.LiveView; |
11 | import com.hammurapi.store.UnmodifiableStore; |
12 | import com.hammurapi.store.local.LocalStoreBase; |
13 | |
14 | /** |
15 | * Implementation of event store. |
16 | * @author Pavel Vlasov |
17 | * |
18 | * @param <E> |
19 | * @param <P> |
20 | * @param <C> |
21 | */ |
22 | public class LocalEventStoreImpl<E,P extends Comparable<P>,C> extends LocalStoreBase<AbstractEventBus.Handle<E,P,C,Long>, E, LocalEventStore<E,P,C>> implements LocalEventStore<E,P,C> { |
23 | |
24 | /** |
25 | * Config class with bound generic parameters. |
26 | * @author Pavel Vlasov |
27 | * |
28 | */ |
29 | public static class Config<E,P extends Comparable<P>,C> extends LocalStoreBase.Config<AbstractEventBus.Handle<E,P,C,Long>, E, LocalEventStore<E,P,C>> { |
30 | |
31 | public Config() { |
32 | setPrimaryKeyExtractor(new HandleExtractor<E, P, C, Long, AbstractEventBus.Handle<E,P,C,Long>, LocalEventStore<E,P,C>>()); |
33 | } |
34 | } |
35 | |
36 | public LocalEventStoreImpl(Config<E,P,C> config) { |
37 | super(config); |
38 | } |
39 | |
40 | protected static class LocalEventDeputyStore<E,P extends Comparable<P>,C> extends DeputyStore<AbstractEventBus.Handle<E,P,C,Long>, E, LocalEventStore<E,P,C>> implements LocalEventStore<E,P,C> { |
41 | |
42 | public LocalEventDeputyStore( |
43 | AbstractStore<AbstractEventBus.Handle<E, P, C, Long>, E, LocalEventStore<E, P, C>> master, |
44 | ReadWriteLock masterLock) { |
45 | super(master, masterLock); |
46 | } |
47 | |
48 | @Override |
49 | protected LocalEventStore<E,P,C> createDeputy() { |
50 | return new LocalEventDeputyStore<E,P,C>(this, createMasterLock()); |
51 | } |
52 | |
53 | @Override |
54 | public LocalEventStore<E,P,C> createUnmodifiableFacade() { |
55 | return new LocalEventUnmodifiableStore<E,P,C>(this); |
56 | } |
57 | |
58 | @Override |
59 | protected LocalEventStore<E,P,C> createLiveView(Predicate<AbstractEventBus.Handle<E,P,C,Long>, LocalEventStore<E,P,C>> selector) { |
60 | return new LocalEventLiveView<E,P,C>(this, selector); |
61 | } |
62 | |
63 | } |
64 | |
65 | protected static class LocalEventUnmodifiableStore<E,P extends Comparable<P>,C> extends UnmodifiableStore<AbstractEventBus.Handle<E,P,C,Long>, E, LocalEventStore<E,P,C>> implements LocalEventStore<E,P,C> { |
66 | |
67 | public LocalEventUnmodifiableStore(LocalEventStore<E, P, C> master) { |
68 | super(master); |
69 | } |
70 | |
71 | |
72 | } |
73 | |
74 | protected static class LocalEventLiveView<E,P extends Comparable<P>,C> extends LiveView<AbstractEventBus.Handle<E,P,C,Long>, E, LocalEventStore<E,P,C>> implements LocalEventStore<E,P,C> { |
75 | |
76 | public LocalEventLiveView( |
77 | LocalEventStore<E, P, C> master, |
78 | Predicate<AbstractEventBus.Handle<E, P, C, Long>, LocalEventStore<E, P, C>> selector) { |
79 | super(master, selector); |
80 | } |
81 | |
82 | @Override |
83 | public LocalEventStore<E,P,C> createUnmodifiableFacade() { |
84 | return new LocalEventUnmodifiableStore(this); |
85 | } |
86 | |
87 | } |
88 | |
89 | @Override |
90 | protected LocalEventStore<E,P,C> createDeputy() { |
91 | return new LocalEventDeputyStore<E,P,C>(this, createMasterLock()); |
92 | } |
93 | |
94 | @Override |
95 | public LocalEventStore<E,P,C> createUnmodifiableFacade() { |
96 | return new LocalEventUnmodifiableStore<E,P,C>(this); |
97 | } |
98 | |
99 | @Override |
100 | protected LocalEventStore<E,P,C> createLiveView(Predicate<AbstractEventBus.Handle<E,P,C,Long>, LocalEventStore<E,P,C>> selector) { |
101 | return new LocalEventLiveView<E,P,C>(this, selector); |
102 | } |
103 | |
104 | } |