| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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 org.apache.beam.sdk.io.redis; |
| |
| import static org.apache.beam.vendor.guava.v20_0.com.google.common.base.Preconditions.checkArgument; |
| |
| import com.google.auto.value.AutoValue; |
| import java.io.Serializable; |
| import javax.annotation.Nullable; |
| import org.apache.beam.sdk.transforms.display.DisplayData; |
| import redis.clients.jedis.Jedis; |
| import redis.clients.jedis.Protocol; |
| |
| /** |
| * {@code RedisConnectionConfiguration} describes and wraps a connectionConfiguration to Redis |
| * server or cluster. |
| */ |
| @AutoValue |
| public abstract class RedisConnectionConfiguration implements Serializable { |
| |
| abstract String host(); |
| |
| abstract int port(); |
| |
| @Nullable |
| abstract String auth(); |
| |
| abstract int timeout(); |
| |
| abstract boolean ssl(); |
| |
| abstract Builder builder(); |
| |
| @AutoValue.Builder |
| abstract static class Builder { |
| abstract Builder setHost(String host); |
| |
| abstract Builder setPort(int port); |
| |
| abstract Builder setAuth(String auth); |
| |
| abstract Builder setTimeout(int timeout); |
| |
| abstract Builder setSsl(boolean ssl); |
| |
| abstract RedisConnectionConfiguration build(); |
| } |
| |
| public static RedisConnectionConfiguration create() { |
| return new AutoValue_RedisConnectionConfiguration.Builder() |
| .setHost(Protocol.DEFAULT_HOST) |
| .setPort(Protocol.DEFAULT_PORT) |
| .setTimeout(Protocol.DEFAULT_TIMEOUT) |
| .setSsl(false) |
| .build(); |
| } |
| |
| public static RedisConnectionConfiguration create(String host, int port) { |
| return new AutoValue_RedisConnectionConfiguration.Builder() |
| .setHost(host) |
| .setPort(port) |
| .setTimeout(Protocol.DEFAULT_TIMEOUT) |
| .setSsl(false) |
| .build(); |
| } |
| |
| /** Define the host name of the Redis server. */ |
| public RedisConnectionConfiguration withHost(String host) { |
| checkArgument(host != null, "host can not be null"); |
| return builder().setHost(host).build(); |
| } |
| |
| /** Define the port number of the Redis server. */ |
| public RedisConnectionConfiguration withPort(int port) { |
| checkArgument(port > 0, "port can not be negative or 0"); |
| return builder().setPort(port).build(); |
| } |
| |
| /** Define the password to authenticate on the Redis server. */ |
| public RedisConnectionConfiguration withAuth(String auth) { |
| checkArgument(auth != null, "auth can not be null"); |
| return builder().setAuth(auth).build(); |
| } |
| |
| /** |
| * Define the Redis connection timeout. A timeout of zero is interpreted as an infinite timeout. |
| */ |
| public RedisConnectionConfiguration withTimeout(int timeout) { |
| checkArgument(timeout >= 0, "timeout can not be negative"); |
| return builder().setTimeout(timeout).build(); |
| } |
| |
| /** Enable SSL connection to Redis server. */ |
| public RedisConnectionConfiguration enableSSL() { |
| return builder().setSsl(true).build(); |
| } |
| |
| /** Connect to the Redis instance. */ |
| public Jedis connect() { |
| Jedis jedis = new Jedis(host(), port(), timeout(), ssl()); |
| if (auth() != null) { |
| jedis.auth(auth()); |
| } |
| return jedis; |
| } |
| |
| /** Populate the display data with connectionConfiguration details. */ |
| public void populateDisplayData(DisplayData.Builder builder) { |
| builder.add(DisplayData.item("host", host())); |
| builder.add(DisplayData.item("port", port())); |
| builder.addIfNotNull(DisplayData.item("timeout", timeout())); |
| builder.add(DisplayData.item("ssl", ssl())); |
| } |
| } |