| /* |
| * 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.seatunnel.connectors.seatunnel.redis.source; |
| |
| import org.apache.seatunnel.api.common.PrepareFailException; |
| import org.apache.seatunnel.api.serialization.DeserializationSchema; |
| import org.apache.seatunnel.api.source.Boundedness; |
| import org.apache.seatunnel.api.source.SeaTunnelSource; |
| import org.apache.seatunnel.api.table.type.SeaTunnelDataType; |
| import org.apache.seatunnel.api.table.type.SeaTunnelRow; |
| import org.apache.seatunnel.api.table.type.SeaTunnelRowType; |
| import org.apache.seatunnel.common.config.CheckConfigUtil; |
| import org.apache.seatunnel.common.config.CheckResult; |
| import org.apache.seatunnel.common.constants.PluginType; |
| import org.apache.seatunnel.connectors.seatunnel.common.schema.SeaTunnelSchema; |
| import org.apache.seatunnel.connectors.seatunnel.common.source.AbstractSingleSplitReader; |
| import org.apache.seatunnel.connectors.seatunnel.common.source.AbstractSingleSplitSource; |
| import org.apache.seatunnel.connectors.seatunnel.common.source.SingleSplitReaderContext; |
| import org.apache.seatunnel.connectors.seatunnel.redis.config.RedisConfig; |
| import org.apache.seatunnel.connectors.seatunnel.redis.config.RedisParameters; |
| import org.apache.seatunnel.format.json.JsonDeserializationSchema; |
| |
| import org.apache.seatunnel.shade.com.typesafe.config.Config; |
| |
| import com.google.auto.service.AutoService; |
| |
| @AutoService(SeaTunnelSource.class) |
| public class RedisSource extends AbstractSingleSplitSource<SeaTunnelRow> { |
| private final RedisParameters redisParameters = new RedisParameters(); |
| private SeaTunnelRowType seaTunnelRowType; |
| private DeserializationSchema<SeaTunnelRow> deserializationSchema; |
| |
| @Override |
| public String getPluginName() { |
| return "Redis"; |
| } |
| |
| @Override |
| public void prepare(Config pluginConfig) throws PrepareFailException { |
| CheckResult result = CheckConfigUtil.checkAllExists(pluginConfig, RedisConfig.HOST, RedisConfig.PORT, RedisConfig.KEY_PATTERN, RedisConfig.DATA_TYPE); |
| if (!result.isSuccess()) { |
| throw new PrepareFailException(getPluginName(), PluginType.SOURCE, result.getMsg()); |
| } |
| this.redisParameters.buildWithConfig(pluginConfig); |
| if (pluginConfig.hasPath(SeaTunnelSchema.SCHEMA)) { |
| Config schema = pluginConfig.getConfig(SeaTunnelSchema.SCHEMA); |
| this.seaTunnelRowType = SeaTunnelSchema.buildWithConfig(schema).getSeaTunnelRowType(); |
| } else { |
| this.seaTunnelRowType = SeaTunnelSchema.buildSimpleTextSchema(); |
| } |
| // TODO: use format SPI |
| // default use json format |
| String format; |
| if (pluginConfig.hasPath(RedisConfig.FORMAT)) { |
| format = pluginConfig.getString(RedisConfig.FORMAT); |
| this.deserializationSchema = null; |
| } else { |
| format = "json"; |
| this.deserializationSchema = new JsonDeserializationSchema(false, false, seaTunnelRowType); |
| } |
| } |
| |
| @Override |
| public Boundedness getBoundedness() { |
| return Boundedness.BOUNDED; |
| } |
| |
| @Override |
| public SeaTunnelDataType<SeaTunnelRow> getProducedType() { |
| return seaTunnelRowType; |
| } |
| |
| @Override |
| public AbstractSingleSplitReader<SeaTunnelRow> createReader(SingleSplitReaderContext readerContext) throws Exception { |
| return new RedisSourceReader(redisParameters, readerContext, deserializationSchema); |
| } |
| } |