/*
* Copyright (c) 2014 Red Hat, Inc. and others
*
* Red Hat licenses this file to you under the Apache License, version 2.0
* (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
*/
package io.vertx.config.redis;
import io.vertx.config.spi.ConfigStore;
import io.vertx.core.AsyncResult;
import io.vertx.core.Future;
import io.vertx.core.Handler;
import io.vertx.core.Vertx;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.json.JsonObject;
import io.vertx.redis.RedisClient;
import io.vertx.redis.RedisOptions;
An implementation of configuration store reading hash from Redis.
Author: Clement Escoffier
/**
* An implementation of configuration store reading hash from Redis.
*
* @author <a href="http://escoffier.me">Clement Escoffier</a>
*/
public class RedisConfigStore implements ConfigStore {
private final RedisClient redis;
private final String field;
public RedisConfigStore(Vertx vertx, JsonObject config) {
this.field = config.getString("key", "configuration");
this.redis = RedisClient.create(vertx, new RedisOptions(config));
}
@Override
public void close(Handler<Void> completionHandler) {
redis.close(ar -> completionHandler.handle(null));
}
@Override
public void get(Handler<AsyncResult<Buffer>> completionHandler) {
redis.hgetall(field, ar -> {
if (ar.failed()) {
completionHandler.handle(Future.failedFuture(ar.cause()));
} else {
completionHandler.handle(ar.map(json -> Buffer.buffer(ar.result().encode())));
}
});
}
}