| 1 | package com.hammurapi.store.local; |
| 2 | |
| 3 | import java.util.concurrent.locks.ReadWriteLock; |
| 4 | |
| 5 | import com.hammurapi.extract.Predicate; |
| 6 | import com.hammurapi.store.AbstractStore; |
| 7 | import com.hammurapi.store.DeputyStore; |
| 8 | import com.hammurapi.store.LiveView; |
| 9 | import com.hammurapi.store.UnmodifiableStore; |
| 10 | |
| 11 | /** |
| 12 | * In-memory object store. |
| 13 | * @author Pavel Vlasov |
| 14 | * |
| 15 | * @param <T> |
| 16 | */ |
| 17 | public class LocalStoreImpl<T, PK> extends LocalStoreBase<T, PK, LocalStore<T,PK>> implements LocalStore<T, PK> { |
| 18 | |
| 19 | |
| 20 | public LocalStoreImpl(Config<T, PK, LocalStore<T, PK>> config) { |
| 21 | super(config); |
| 22 | } |
| 23 | |
| 24 | protected static class LocalDeputyStore<T, PK> extends DeputyStore<T, PK, LocalStore<T,PK>> implements LocalStore<T,PK> { |
| 25 | |
| 26 | public LocalDeputyStore(AbstractStore<T, PK, LocalStore<T, PK>> master, ReadWriteLock masterLock) { |
| 27 | super(master, masterLock); |
| 28 | } |
| 29 | |
| 30 | @Override |
| 31 | protected LocalStore<T, PK> createDeputy() { |
| 32 | return new LocalDeputyStore<T, PK>(this, createMasterLock()); |
| 33 | } |
| 34 | |
| 35 | @Override |
| 36 | public LocalStore<T, PK> createUnmodifiableFacade() { |
| 37 | return new LocalUnmodifiableStore<T, PK>(this); |
| 38 | } |
| 39 | |
| 40 | @Override |
| 41 | protected LocalStore<T, PK> createLiveView(Predicate<T, LocalStore<T, PK>> selector) { |
| 42 | return new LocalLiveView<T, PK>(this, selector); |
| 43 | } |
| 44 | |
| 45 | } |
| 46 | |
| 47 | protected static class LocalUnmodifiableStore<T, PK> extends UnmodifiableStore<T, PK, LocalStore<T, PK>> implements LocalStore<T, PK> { |
| 48 | |
| 49 | public LocalUnmodifiableStore(LocalStore<T, PK> master) { |
| 50 | super(master); |
| 51 | } |
| 52 | |
| 53 | } |
| 54 | |
| 55 | protected static class LocalLiveView<T, PK> extends LiveView<T, PK, LocalStore<T, PK>> implements LocalStore<T, PK> { |
| 56 | |
| 57 | public LocalLiveView(LocalStore<T, PK> master, Predicate<T, LocalStore<T, PK>> selector) { |
| 58 | super(master, selector); |
| 59 | } |
| 60 | |
| 61 | @Override |
| 62 | public LocalStore<T, PK> createUnmodifiableFacade() { |
| 63 | return new LocalUnmodifiableStore<T, PK>(this); |
| 64 | } |
| 65 | |
| 66 | } |
| 67 | |
| 68 | @Override |
| 69 | protected LocalStore<T, PK> createDeputy() { |
| 70 | return new LocalDeputyStore<T,PK>(this, createMasterLock()); |
| 71 | } |
| 72 | |
| 73 | @Override |
| 74 | public LocalStore<T, PK> createUnmodifiableFacade() { |
| 75 | return new LocalUnmodifiableStore<T, PK>(this); |
| 76 | } |
| 77 | |
| 78 | @Override |
| 79 | protected LocalStore<T, PK> createLiveView(Predicate<T, LocalStore<T, PK>> selector) { |
| 80 | return new LocalLiveView<T,PK>(this, selector); |
| 81 | } |
| 82 | |
| 83 | } |