| /** |
| * 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.pulsar.io.mongodb; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.dataformat.yaml.YAMLFactory; |
| import com.google.common.base.Preconditions; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.Serializable; |
| import java.util.Map; |
| import lombok.Data; |
| import lombok.experimental.Accessors; |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.pulsar.io.core.annotations.FieldDoc; |
| |
| /** |
| * Configuration class for the MongoDB Connectors. |
| */ |
| @Data |
| @Accessors(chain = true) |
| public class MongoConfig implements Serializable { |
| |
| private static final long serialVersionUID = 1L; |
| |
| public static final int DEFAULT_BATCH_SIZE = 100; |
| |
| public static final long DEFAULT_BATCH_TIME_MS = 1000; |
| |
| @FieldDoc( |
| required = true, |
| defaultValue = "", |
| help = "The uri of mongodb that the connector connects to" |
| + " (see: https://docs.mongodb.com/manual/reference/connection-string/)" |
| ) |
| private String mongoUri; |
| |
| @FieldDoc( |
| defaultValue = "", |
| help = "The database name to which the collection belongs and which must be watched for the source connector" |
| + " (required for the sink connector)" |
| ) |
| private String database; |
| |
| @FieldDoc( |
| defaultValue = "", |
| help = "The collection name where the messages are written or which is watched for the source connector" |
| + " (required for the sink connector)" |
| ) |
| private String collection; |
| |
| @FieldDoc( |
| defaultValue = "" + DEFAULT_BATCH_SIZE, |
| help = "The batch size of write to or read from the database" |
| ) |
| private int batchSize = DEFAULT_BATCH_SIZE; |
| |
| @FieldDoc( |
| defaultValue = "" + DEFAULT_BATCH_TIME_MS, |
| help = "The batch operation interval in milliseconds") |
| private long batchTimeMs = DEFAULT_BATCH_TIME_MS; |
| |
| |
| public static MongoConfig load(String yamlFile) throws IOException { |
| final ObjectMapper mapper = new ObjectMapper(new YAMLFactory()); |
| final MongoConfig cfg = mapper.readValue(new File(yamlFile), MongoConfig.class); |
| |
| return cfg; |
| } |
| |
| public static MongoConfig load(Map<String, Object> map) throws IOException { |
| final ObjectMapper mapper = new ObjectMapper(); |
| final MongoConfig cfg = mapper.readValue(new ObjectMapper().writeValueAsString(map), MongoConfig.class); |
| |
| return cfg; |
| } |
| |
| public void validate(boolean dbRequired, boolean collectionRequired) { |
| if (StringUtils.isEmpty(getMongoUri()) |
| || (dbRequired && StringUtils.isEmpty(getDatabase())) |
| || (collectionRequired && StringUtils.isEmpty(getCollection()))) { |
| |
| throw new IllegalArgumentException("Required property not set."); |
| } |
| |
| Preconditions.checkArgument(getBatchSize() > 0, "batchSize must be a positive integer."); |
| Preconditions.checkArgument(getBatchTimeMs() > 0, "batchTimeMs must be a positive long."); |
| } |
| } |