com.aliyun.odps.table.write.TableBatchWriteSession Maven / Gradle / Ivy
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/*
* 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 com.aliyun.odps.table.write;
import com.aliyun.odps.data.ArrayRecord;
import com.aliyun.odps.table.SessionType;
import com.aliyun.odps.table.configuration.WriterOptions;
import org.apache.arrow.vector.VectorSchemaRoot;
import java.io.IOException;
/**
* An interface that defines how to write the data to odps for batch processing.
*/
public interface TableBatchWriteSession extends TableWriteSession {
/**
* Commits this writing job with a list of commit messages. The commit messages are collected from
* successful data writers and are produced by {@link BatchWriter#commit()}.
* TODO: commit with settings
*/
void commit(WriterCommitMessage[] messages) throws IOException;
/**
* Clean up this writing job because some data writers are failed and keep failing when retry,
*/
void cleanup();
/**
* Returns a record data writer to do the actual writing work. Within the same table sink,
* no two writer will share the same writer id).
*/
default BatchWriter createRecordWriter(long blockNumber,
WriterAttemptId attemptId,
WriterOptions options) throws IOException {
throw new UnsupportedOperationException("Cannot create record writer.");
}
/**
* Returns a arrow data writer to do the actual writing work. Within the same table sink,
* no two writer will share the same writer id).
*/
default BatchWriter createArrowWriter(long blockNumber,
WriterAttemptId attemptId,
WriterOptions options) throws IOException {
throw new UnsupportedOperationException("Cannot create arrow reader.");
}
@Override
default SessionType getType() {
return SessionType.BATCH_WRITE;
}
}
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