Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javac/util/Context.java
src/share/classes/com/sun/tools/javac/util/Context.java
- changeset 184
- 905e151a185a
- parent 117
- 24a47c3062fe
- child 554
- 9d9f26857129
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| 183:dbe9e82f9d25 | 184:905e151a185a |
|---|---|
| 114 /** | 114 /** |
| 115 * The underlying map storing the data. | 115 * The underlying map storing the data. |
| 116 * We maintain the invariant that this table contains only | 116 * We maintain the invariant that this table contains only |
| 117 * mappings of the form | 117 * mappings of the form |
| 118 * Key<T> -> T or Key<T> -> Factory<T> */ | 118 * Key<T> -> T or Key<T> -> Factory<T> */ |
| 119 private Map<Key,Object> ht = new HashMap<Key,Object>(); | 119 private Map<Key<?>,Object> ht = new HashMap<Key<?>,Object>(); |
| 120 | 120 |
| 121 /** Set the factory for the key in this context. */ | 121 /** Set the factory for the key in this context. */ |
| 122 public <T> void put(Key<T> key, Factory<T> fac) { | 122 public <T> void put(Key<T> key, Factory<T> fac) { |
| 123 checkState(ht); | 123 checkState(ht); |
| 124 Object old = ht.put(key, fac); | 124 Object old = ht.put(key, fac); |
| 126 throw new AssertionError("duplicate context value"); | 126 throw new AssertionError("duplicate context value"); |
| 127 } | 127 } |
| 128 | 128 |
| 129 /** Set the value for the key in this context. */ | 129 /** Set the value for the key in this context. */ |
| 130 public <T> void put(Key<T> key, T data) { | 130 public <T> void put(Key<T> key, T data) { |
| 131 if (data instanceof Factory) | 131 if (data instanceof Factory<?>) |
| 132 throw new AssertionError("T extends Context.Factory"); | 132 throw new AssertionError("T extends Context.Factory"); |
| 133 checkState(ht); | 133 checkState(ht); |
| 134 Object old = ht.put(key, data); | 134 Object old = ht.put(key, data); |
| 135 if (old != null && !(old instanceof Factory) && old != data && data != null) | 135 if (old != null && !(old instanceof Factory<?>) && old != data && data != null) |
| 136 throw new AssertionError("duplicate context value"); | 136 throw new AssertionError("duplicate context value"); |
| 137 } | 137 } |
| 138 | 138 |
| 139 /** Get the value for the key in this context. */ | 139 /** Get the value for the key in this context. */ |
| 140 public <T> T get(Key<T> key) { | 140 public <T> T get(Key<T> key) { |
| 141 checkState(ht); | 141 checkState(ht); |
| 142 Object o = ht.get(key); | 142 Object o = ht.get(key); |
| 143 if (o instanceof Factory) { | 143 if (o instanceof Factory<?>) { |
| 144 Factory fac = (Factory)o; | 144 Factory<?> fac = (Factory<?>)o; |
| 145 o = fac.make(); | 145 o = fac.make(); |
| 146 if (o instanceof Factory) | 146 if (o instanceof Factory<?>) |
| 147 throw new AssertionError("T extends Context.Factory"); | 147 throw new AssertionError("T extends Context.Factory"); |
| 148 assert ht.get(key) == o; | 148 assert ht.get(key) == o; |
| 149 } | 149 } |
| 150 | 150 |
| 151 /* The following cast can't fail unless there was | 151 /* The following cast can't fail unless there was |
