content: /*
   * 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.it.gcp.datastream;
  
  import com.google.cloud.datastream.v1.OracleRdbms;
  import com.google.cloud.datastream.v1.OracleSchema;
  import com.google.cloud.datastream.v1.OracleSourceConfig;
  import com.google.cloud.datastream.v1.OracleTable;
  import com.google.protobuf.MessageOrBuilder;
  import java.util.List;
  import java.util.Map;
  
  /**
   * Client for Oracle resource used by Datastream.
   *
   * <p>Subclass of {@link JDBCSource}.
   */
  public class OracleSource extends JDBCSource {
  
    OracleSource(Builder builder) {
      super(builder);
    }
  
    public static Builder builder(
        String hostname,
        String username,
        String password,
        int port,
        Map<String, List<String>> allowedTables) {
      return new Builder(hostname, username, password, port, allowedTables);
    }
  
    @Override
    public SourceType type() {
      return SourceType.ORACLE;
    }
  
    @Override
    public MessageOrBuilder config() {
      OracleRdbms.Builder oracleRdmsBuilder = OracleRdbms.newBuilder();
      for (String schema : this.allowedTables().keySet()) {
        OracleSchema.Builder oracleSchemaBuilder = OracleSchema.newBuilder().setSchema(schema);
        for (String table : this.allowedTables().get(schema)) {
          oracleSchemaBuilder.addOracleTables(OracleTable.newBuilder().setTable(table));
        }
        oracleRdmsBuilder.addOracleSchemas(oracleSchemaBuilder);
      }
      return OracleSourceConfig.newBuilder().setIncludeObjects(oracleRdmsBuilder);
    }
  
    public static class Builder extends JDBCSource.Builder<OracleSource> {
      public Builder(
          String hostname,
          String username,
          String password,
          int port,
          Map<String, List<String>> allowedTables) {
        super(hostname, username, password, port, allowedTables);
      }
  
      @Override
      public OracleSource build() {
        return new OracleSource(this);
      }
    }
  }
  