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DATAREDIS-1175 - Allow direct mapping of Collection like structures like java.util.List via MappingRedisConverter.

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It is now possible to hand a plain list to the converter that is then converted into a hash structure using index numbers as keys.

Original pull request: #546.
This commit is contained in:
Christoph Strobl
2020-06-29 09:50:00 +02:00
committed by Mark Paluch
parent 1ceb7d4c8b
commit cae161feb4
3 changed files with 56 additions and 7 deletions
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33
src/test/java/org/springframework/data/redis/core/convert/MappingRedisConverterUnitTests.java
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@@ -36,6 +36,7 @@ import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
@@ -1884,6 +1885,38 @@ public class MappingRedisConverterUnitTests {
assertThat(target.getAccountName()).isEqualTo("Golam Mazid Sajib");
}
@Test // DATAREDIS-1175
public void writePlainList() {
List<Object> source = Arrays.asList("Hello", "stream", "message", 100L);
RedisTestData target = write(source);
System.out.println(target.getBucket().toString());
assertThat(target).containsEntry("[0]", "Hello") //
.containsEntry("[1]", "stream") //
.containsEntry("[2]", "message") //
.containsEntry("[3]", "100");
}
@Test // DATAREDIS-1175
public void readPlainList() {
Map<String, String> source = new LinkedHashMap<>();
source.put("[0]._class", "java.lang.String");
source.put("[0]", "Hello");
source.put("[1]._class", "java.lang.String");
source.put("[1]", "stream");
source.put("[2]._class", "java.lang.String");
source.put("[2]", "message");
source.put("[3]._class", "java.lang.Long");
source.put("[3]", "100");
List target = read(List.class, source);
assertThat(target).containsExactly("Hello", "stream", "message", 100L);
}
private RedisTestData write(Object source) {
RedisData rdo = new RedisData();

17
src/test/java/org/springframework/data/redis/test/util/RedisTestData.java
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@@ -140,13 +140,20 @@ public class RedisTestData implements AssertProvider<RedisTestData.RedisBucketAs
return actual.get(path);
}
private static Map<String, String> toStringMap(Map<String, byte[]> source) {
}
Map<String, String> converted = new LinkedHashMap<>();
source.forEach((k, v) -> converted.put(k, new String(v, StandardCharsets.UTF_8)));
private static Map<String, String> toStringMap(Map<String, byte[]> source) {
return converted;
}
Map<String, String> converted = new LinkedHashMap<>();
source.forEach((k, v) -> converted.put(k, new String(v, StandardCharsets.UTF_8)));
return converted;
}
@Override
public String toString() {
return toStringMap(getBucket().asMap()).toString();
}
}