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/**
* Copyright (c) 2023 TigerGraph Inc.
*
* Licensed 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 com.tigergraph.spark.write;
import java.time.Instant;
import org.apache.spark.sql.connector.write.LogicalWriteInfo;
import org.apache.spark.sql.connector.write.WriteBuilder;
import org.apache.spark.sql.types.StructType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.tigergraph.spark.TigerGraphConnection;
import com.tigergraph.spark.util.Options;
/** Builder for Batch Write or Streaming Write */
public class TigerGraphWriteBuilder implements WriteBuilder {
private static final Logger logger = LoggerFactory.getLogger(TigerGraphWriteBuilder.class);
private final StructType schema;
private final TigerGraphConnection conn;
public TigerGraphWriteBuilder(LogicalWriteInfo info, long creationTime) {
logger.info("Start to build TigerGraph data writer with queryId {}", info.queryId());
schema = info.schema();
Options opts = new Options(info.options().asCaseSensitiveMap(), Options.OptionType.WRITE);
opts.validate();
conn = new TigerGraphConnection(opts, creationTime);
if (conn.getLoadingJobId() != null) {
logger.info("Loading job ID: {}", conn.getLoadingJobId());
}
}
public TigerGraphWriteBuilder(LogicalWriteInfo info) {
this(info, Instant.now().toEpochMilli());
}
public TigerGraphBatchWrite buildForBatch() {
return new TigerGraphBatchWrite(schema, conn);
}
public TigerGraphStreamingWrite buildForStreaming() {
return new TigerGraphStreamingWrite(schema, conn);
}
}