Skip to content
Navigation Menu
{{ message }}
forked from graphql-java/graphql-java
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathGraphQLContext.java
More file actions
370 lines (334 loc) · 10.1 KB
/
Copy pathGraphQLContext.java
File metadata and controls
370 lines (334 loc) · 10.1 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
package graphql;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.function.Consumer;
import java.util.stream.Stream;
import static graphql.Assert.assertNotNull;
/**
* This context object can be used to contain key values that can be useful as "context" when executing
* {@link graphql.schema.DataFetcher}s
*
* <pre>
* {@code
* DataFetcher df = new DataFetcher() {
* public Object get(DataFetchingEnvironment env) {
* GraphQLContext ctx = env.getGraphqlContext()
* User currentUser = ctx.getOrDefault("userKey",new AnonymousUser())
* ...
* }
* }
* }
* </pre>
*
* You can set this up via {@link ExecutionInput#getGraphQLContext()}
*
* All keys and values in the context MUST be non null.
*
* The class is mutable via a thread safe implementation but it is recommended to try to use this class in an immutable way if you can.
*/
@PublicApi
@ThreadSafe
@SuppressWarnings("unchecked")
public class GraphQLContext {
private final ConcurrentMap<Object, Object> map;
private GraphQLContext(ConcurrentMap<Object, Object> map) {
this.map = map;
}
/**
* Deletes a key in the context
*
* @param key the key to delete
*
* @return this GraphQLContext object
*/
public GraphQLContext delete(Object key) {
map.remove(assertNotNull(key));
return this;
}
/**
* Returns a value in the context by key
*
* @param key the key to look up
* @param <T> for two
*
* @return a value or null
*/
public <T> T get(Object key) {
return (T) map.get(assertNotNull(key));
}
/**
* Returns a value in the context by key
*
* @param key the key to look up
* @param defaultValue the default value to use if these is no key entry
* @param <T> for two
*
* @return a value or default value
*/
public <T> T getOrDefault(Object key, T defaultValue) {
return (T) map.getOrDefault(assertNotNull(key), defaultValue);
}
/**
* Returns a {@link Optional} value in the context by key
*
* @param key the key to look up
* @param <T> for two
*
* @return a value or an empty optional value
*/
public <T> Optional<T> getOrEmpty(Object key) {
T t = (T) map.get(assertNotNull(key));
return Optional.ofNullable(t);
}
/**
* Returns true if the context contains a value for that key
*
* @param key the key to lookup
*
* @return true if there is a value for that key
*/
public boolean hasKey(Object key) {
return map.containsKey(assertNotNull(key));
}
/**
* Puts a value into the context
*
* @param key the key to set
* @param value the new value (which not must be null)
*
* @return this {@link GraphQLContext} object
*/
public GraphQLContext put(Object key, Object value) {
map.put(assertNotNull(key), assertNotNull(value));
return this;
}
/**
* Puts all of the values into the context
*
* @param map the map of values to use
*
* @return this {@link GraphQLContext} object
*/
public GraphQLContext putAll(Map<?, Object> map) {
assertNotNull(map);
for (Map.Entry<?, Object> entry : map.entrySet()) {
put(entry.getKey(), entry.getValue());
}
return this;
}
/**
* Puts all of the values into the context
*
* @param context the other context to use
*
* @return this {@link GraphQLContext} object
*/
public GraphQLContext putAll(GraphQLContext context) {
assertNotNull(context);
return putAll(context.map);
}
/**
* Puts all of the values into the context
*
* @param contextBuilder the other context to use
*
* @return this {@link GraphQLContext} object
*/
public GraphQLContext putAll(GraphQLContext.Builder contextBuilder) {
assertNotNull(contextBuilder);
return putAll(contextBuilder.build());
}
/**
* Puts all of the values into the context
*
* @param contextBuilderConsumer a call back to that gives out a builder to use
*
* @return this {@link GraphQLContext} object
*/
public GraphQLContext putAll(Consumer<GraphQLContext.Builder> contextBuilderConsumer) {
assertNotNull(contextBuilderConsumer);
Builder builder = newContext();
contextBuilderConsumer.accept(builder);
return putAll(builder);
}
/**
* @return a stream of entries in the context
*/
public Stream<Map.Entry<Object, Object>> stream() {
return map.entrySet().stream();
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
GraphQLContext that = (GraphQLContext) o;
return map.equals(that.map);
}
@Override
public int hashCode() {
return Objects.hash(map);
}
@Override
public String toString() {
return map.toString();
}
/**
* Creates a new GraphqlContext with the map of context added to it
*
* @param mapOfContext the map of context value to use
*
* @return the new GraphqlContext
*/
public static GraphQLContext of(Map<?, Object> mapOfContext) {
return new Builder().of(mapOfContext).build();
}
/**
* Creates a new GraphqlContext with the map of context added to it
*
* @param contextBuilderConsumer a callback that is given a new builder
*
* @return the new GraphqlContext
*/
public static GraphQLContext of(Consumer<GraphQLContext.Builder> contextBuilderConsumer) {
Builder builder = GraphQLContext.newContext();
contextBuilderConsumer.accept(builder);
return of(builder.map);
}
/**
* Creates a new GraphqlContext builder
*
* @return the new builder
*/
public static Builder newContext() {
return new Builder();
}
public static class Builder {
private final ConcurrentMap<Object, Object> map = new ConcurrentHashMap<>();
public Builder put(
Object key1, Object value1
) {
return putImpl(
key1, value1
);
}
public Builder of(
Object key1, Object value1
) {
return putImpl(
key1, value1
);
}
public Builder of(
Object key1, Object value1,
Object key2, Object value2
) {
return putImpl(
key1, value1,
key2, value2
);
}
public Builder of(
Object key1, Object value1,
Object key2, Object value2,
Object key3, Object value3
) {
return putImpl(
key1, value1,
key2, value2,
key3, value3
);
}
public Builder of(
Object key1, Object value1,
Object key2, Object value2,
Object key3, Object value3,
Object key4, Object value4
) {
return putImpl(
key1, value1,
key2, value2,
key3, value3,
key4, value4
);
}
public Builder of(
Object key1, Object value1,
Object key2, Object value2,
Object key3, Object value3,
Object key4, Object value4,
Object key5, Object value5
) {
return putImpl(
key1, value1,
key2, value2,
key3, value3,
key4, value4,
key5, value5
);
}
/**
* Adds all of the values in the map into the context builder. All keys and values MUST be non null
*
* @param mapOfContext the map to put into context
*
* @return this builder
*/
public Builder of(Map<?, Object> mapOfContext) {
assertNotNull(mapOfContext);
for (Map.Entry<?, Object> entry : mapOfContext.entrySet()) {
map.put(assertNotNull(entry.getKey()), assertNotNull(entry.getValue()));
}
return this;
}
/**
* Adds all of the values in the map into the context builder. All keys and values MUST be non null
*
* @param mapOfContext the map to put into context
*
* @return this builder
*/
public Builder putAll(Map<?, Object> mapOfContext) {
return of(mapOfContext);
}
/**
* Adds all of the values in the map into the context builder. All keys and values MUST be non null
*
* @param graphQLContext a previous graphql context
*
* @return this builder
*/
public Builder of(GraphQLContext graphQLContext) {
assertNotNull(graphQLContext);
return of(graphQLContext.map);
}
/**
* Adds all of the values in the map into the context builder. All keys and values MUST be non null
*
* @param graphQLContextBuilder a graphql context builder
*
* @return this builder
*/
public Builder of(GraphQLContext.Builder graphQLContextBuilder) {
assertNotNull(graphQLContextBuilder);
return of(graphQLContextBuilder.build());
}
private Builder putImpl(Object... kvs) {
for (int i = 0; i < kvs.length; i = i + 2) {
Object k = kvs[i];
Object v = kvs[i + 1];
map.put(assertNotNull(k), assertNotNull(v));
}
return this;
}
public GraphQLContext build() {
return new GraphQLContext(map);
}
}
}
You can’t perform that action at this time.