插件优化

This commit is contained in:
mxd
2022-01-23 11:42:56 +08:00
parent 5710801fda
commit 2ea5f60e1e
6 changed files with 20 additions and 32 deletions

View File

@@ -10,7 +10,6 @@ import org.ssssssss.magicapi.core.config.MagicAPIProperties;
import org.ssssssss.magicapi.core.config.MagicPluginConfiguration;
import org.ssssssss.magicapi.core.config.Resource;
import org.ssssssss.magicapi.core.model.Plugin;
import org.ssssssss.magicapi.core.resource.RedisResource;
@Configuration
public class MagicRedisConfiguration implements MagicPluginConfiguration {

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@@ -0,0 +1,122 @@
package org.ssssssss.magicapi.redis;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.data.redis.core.Cursor;
import org.springframework.data.redis.core.RedisCallback;
import org.springframework.data.redis.core.ScanOptions;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.ssssssss.magicapi.core.resource.KeyValueResource;
import org.ssssssss.magicapi.core.resource.Resource;
import java.nio.charset.StandardCharsets;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Function;
/**
* Redis 资源存储实现
*
* @author mxd
*/
public class RedisResource extends KeyValueResource {
private static final Logger logger = LoggerFactory.getLogger(RedisResource.class);
private final StringRedisTemplate redisTemplate;
private final Map<String, String> cachedContent = new ConcurrentHashMap<>();
public RedisResource(StringRedisTemplate redisTemplate, String path, boolean readonly, RedisResource parent) {
super(":", path, readonly, parent);
this.redisTemplate = redisTemplate;
}
public RedisResource(StringRedisTemplate redisTemplate, String path, boolean readonly) {
this(redisTemplate, path, readonly, null);
}
@Override
public void readAll() {
List<String> keys = new ArrayList<>(keys());
List<String> values = redisTemplate.opsForValue().multiGet(keys);
this.cachedContent.entrySet().removeIf(entry -> entry.getKey().startsWith(path));
if (values != null) {
for (int i = 0, size = keys.size(); i < size; i++) {
this.cachedContent.put(keys.get(i), values.get(i));
}
}
}
@Override
public byte[] read() {
String value = this.cachedContent.get(path);
if (value == null) {
value = redisTemplate.opsForValue().get(path);
if (value != null) {
this.cachedContent.put(path, value);
}
}
return value == null ? new byte[0] : value.getBytes(StandardCharsets.UTF_8);
}
@Override
public boolean write(String content) {
this.redisTemplate.opsForValue().set(this.path, content);
this.cachedContent.put(this.path, content);
return true;
}
@Override
protected boolean renameTo(Map<String, String> renameKeys) {
renameKeys.forEach(this.redisTemplate::rename);
renameKeys.forEach((oldKey, newKey) -> this.cachedContent.put(newKey, this.cachedContent.remove(oldKey)));
return true;
}
@Override
public boolean exists() {
if (this.cachedContent.get(this.path) != null) {
return true;
}
return Boolean.TRUE.equals(this.redisTemplate.hasKey(this.path));
}
@Override
protected boolean deleteByKey(String key) {
if (Boolean.TRUE.equals(this.redisTemplate.delete(key))) {
this.cachedContent.remove(key);
return true;
}
return false;
}
@Override
protected Function<String, Resource> mappedFunction() {
return (it) -> new RedisResource(this.redisTemplate, it, readonly, this);
}
@Override
protected Set<String> keys() {
Set<String> keys = this.redisTemplate.execute((RedisCallback<Set<String>>) connection -> {
ScanOptions options = ScanOptions.scanOptions()
.count(Long.MAX_VALUE)
.match((isDirectory() ? this.path : (this.path + separator)) + "*")
.build();
Set<String> returnKeys = new HashSet<>();
try (Cursor<byte[]> cursor = connection.scan(options)) {
while (cursor.hasNext()) {
returnKeys.add(new String(cursor.next()));
}
} catch (Exception e) {
logger.error("扫描key出错", e);
}
return returnKeys;
});
return keys == null ? Collections.emptySet() : keys;
}
@Override
public String toString() {
return String.format("redis://%s", getAbsolutePath());
}
}