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[Feature][Core] Upgrade flink source translation
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52 changes: 52 additions & 0 deletions
52
...common/src/main/java/org/apache/seatunnel/translation/flink/source/FlinkRowCollector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.apache.seatunnel.translation.flink.source; | ||
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| import org.apache.seatunnel.api.source.Collector; | ||
| import org.apache.seatunnel.api.table.type.SeaTunnelRow; | ||
| import org.apache.seatunnel.api.table.type.SeaTunnelRowType; | ||
| import org.apache.seatunnel.translation.flink.serialization.FlinkRowConverter; | ||
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| import org.apache.flink.api.connector.source.ReaderOutput; | ||
| import org.apache.flink.types.Row; | ||
|
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| public class FlinkRowCollector implements Collector<SeaTunnelRow> { | ||
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| private final ReaderOutput<Row> readerOutput; | ||
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| private final FlinkRowConverter rowSerialization; | ||
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| public FlinkRowCollector(ReaderOutput<Row> readerOutput, SeaTunnelRowType seaTunnelRowType) { | ||
| this.readerOutput = readerOutput; | ||
| this.rowSerialization = new FlinkRowConverter(seaTunnelRowType); | ||
| } | ||
|
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| @Override | ||
| public void collect(SeaTunnelRow record) { | ||
| try { | ||
| readerOutput.collect(rowSerialization.convert(record)); | ||
| } catch (Exception e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
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| @Override | ||
| public Object getCheckpointLock() { | ||
| return this; | ||
| } | ||
| } |
104 changes: 104 additions & 0 deletions
104
...flink-common/src/main/java/org/apache/seatunnel/translation/flink/source/FlinkSource.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.apache.seatunnel.translation.flink.source; | ||
|
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| import org.apache.seatunnel.api.serialization.Serializer; | ||
| import org.apache.seatunnel.api.source.SeaTunnelSource; | ||
| import org.apache.seatunnel.api.source.SourceSplit; | ||
| import org.apache.seatunnel.api.source.SourceSplitEnumerator; | ||
| import org.apache.seatunnel.api.table.type.SeaTunnelRow; | ||
| import org.apache.seatunnel.api.table.type.SeaTunnelRowType; | ||
| import org.apache.seatunnel.translation.flink.serialization.FlinkSimpleVersionedSerializer; | ||
| import org.apache.seatunnel.translation.flink.utils.TypeConverterUtils; | ||
|
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| import org.apache.flink.api.common.typeinfo.TypeInformation; | ||
| import org.apache.flink.api.connector.source.Boundedness; | ||
| import org.apache.flink.api.connector.source.Source; | ||
| import org.apache.flink.api.connector.source.SourceReader; | ||
| import org.apache.flink.api.connector.source.SourceReaderContext; | ||
| import org.apache.flink.api.connector.source.SplitEnumerator; | ||
| import org.apache.flink.api.connector.source.SplitEnumeratorContext; | ||
| import org.apache.flink.api.java.typeutils.ResultTypeQueryable; | ||
| import org.apache.flink.core.io.SimpleVersionedSerializer; | ||
| import org.apache.flink.types.Row; | ||
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| import java.io.Serializable; | ||
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| public class FlinkSource<SplitT extends SourceSplit, EnumStateT extends Serializable> | ||
| implements Source<Row, SplitWrapper<SplitT>, EnumStateT>, ResultTypeQueryable<Row> { | ||
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| private final SeaTunnelSource<SeaTunnelRow, SplitT, EnumStateT> source; | ||
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| public FlinkSource(SeaTunnelSource<SeaTunnelRow, SplitT, EnumStateT> source) { | ||
| this.source = source; | ||
| } | ||
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| @Override | ||
| public Boundedness getBoundedness() { | ||
| org.apache.seatunnel.api.source.Boundedness boundedness = source.getBoundedness(); | ||
| return boundedness == org.apache.seatunnel.api.source.Boundedness.BOUNDED | ||
| ? Boundedness.BOUNDED | ||
| : Boundedness.CONTINUOUS_UNBOUNDED; | ||
| } | ||
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| @Override | ||
| public SourceReader<Row, SplitWrapper<SplitT>> createReader(SourceReaderContext readerContext) | ||
| throws Exception { | ||
| org.apache.seatunnel.api.source.SourceReader.Context context = | ||
| new FlinkSourceReaderContext(readerContext, source); | ||
| org.apache.seatunnel.api.source.SourceReader<SeaTunnelRow, SplitT> reader = | ||
| source.createReader(context); | ||
| return new FlinkSourceReader<>(reader, (SeaTunnelRowType) source.getProducedType()); | ||
| } | ||
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| @Override | ||
| public SplitEnumerator<SplitWrapper<SplitT>, EnumStateT> createEnumerator( | ||
| SplitEnumeratorContext<SplitWrapper<SplitT>> enumContext) throws Exception { | ||
| SourceSplitEnumerator.Context<SplitT> context = | ||
| new FlinkSourceSplitEnumeratorContext<>(enumContext); | ||
| SourceSplitEnumerator<SplitT, EnumStateT> enumerator = source.createEnumerator(context); | ||
| return new FlinkSourceEnumerator<>(enumerator, enumContext); | ||
| } | ||
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| @Override | ||
| public SplitEnumerator<SplitWrapper<SplitT>, EnumStateT> restoreEnumerator( | ||
| SplitEnumeratorContext<SplitWrapper<SplitT>> enumContext, EnumStateT checkpoint) | ||
| throws Exception { | ||
| FlinkSourceSplitEnumeratorContext<SplitT> context = | ||
| new FlinkSourceSplitEnumeratorContext<>(enumContext); | ||
| SourceSplitEnumerator<SplitT, EnumStateT> enumerator = | ||
| source.restoreEnumerator(context, checkpoint); | ||
| return new FlinkSourceEnumerator<>(enumerator, enumContext); | ||
| } | ||
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| @Override | ||
| public SimpleVersionedSerializer<SplitWrapper<SplitT>> getSplitSerializer() { | ||
| return new SplitWrapperSerializer<>(source.getSplitSerializer()); | ||
| } | ||
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| @Override | ||
| public SimpleVersionedSerializer<EnumStateT> getEnumeratorCheckpointSerializer() { | ||
| Serializer<EnumStateT> enumeratorStateSerializer = source.getEnumeratorStateSerializer(); | ||
| return new FlinkSimpleVersionedSerializer<>(enumeratorStateSerializer); | ||
| } | ||
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| @Override | ||
| public TypeInformation<Row> getProducedType() { | ||
| return (TypeInformation<Row>) TypeConverterUtils.convert(source.getProducedType()); | ||
| } | ||
| } |
87 changes: 87 additions & 0 deletions
87
...on/src/main/java/org/apache/seatunnel/translation/flink/source/FlinkSourceEnumerator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.apache.seatunnel.translation.flink.source; | ||
|
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| import org.apache.seatunnel.api.source.SourceSplit; | ||
| import org.apache.seatunnel.api.source.SourceSplitEnumerator; | ||
|
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| import org.apache.flink.api.connector.source.SplitEnumerator; | ||
| import org.apache.flink.api.connector.source.SplitEnumeratorContext; | ||
|
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| import javax.annotation.Nullable; | ||
|
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| import java.io.IOException; | ||
| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
|
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| public class FlinkSourceEnumerator<SplitT extends SourceSplit, EnumStateT> | ||
| implements SplitEnumerator<SplitWrapper<SplitT>, EnumStateT> { | ||
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| private final SourceSplitEnumerator<SplitT, EnumStateT> sourceSplitEnumerator; | ||
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| private final SplitEnumeratorContext<SplitWrapper<SplitT>> enumeratorContext; | ||
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| private boolean isRun = false; | ||
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| public FlinkSourceEnumerator( | ||
| SourceSplitEnumerator<SplitT, EnumStateT> enumerator, | ||
| SplitEnumeratorContext<SplitWrapper<SplitT>> enumContext) { | ||
| this.sourceSplitEnumerator = enumerator; | ||
| this.enumeratorContext = enumContext; | ||
| } | ||
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| @Override | ||
| public void start() { | ||
| sourceSplitEnumerator.open(); | ||
| } | ||
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| @Override | ||
| public void handleSplitRequest(int subtaskId, @Nullable String requesterHostname) { | ||
| sourceSplitEnumerator.handleSplitRequest(subtaskId); | ||
| } | ||
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| @Override | ||
| public void addSplitsBack(List<SplitWrapper<SplitT>> splits, int subtaskId) { | ||
| sourceSplitEnumerator.addSplitsBack( | ||
| splits.stream().map(SplitWrapper::getSourceSplit).collect(Collectors.toList()), | ||
| subtaskId); | ||
| } | ||
|
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| @Override | ||
| public void addReader(int subtaskId) { | ||
| sourceSplitEnumerator.registerReader(subtaskId); | ||
| if (!isRun) { | ||
| try { | ||
| sourceSplitEnumerator.run(); | ||
| } catch (Exception e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| isRun = true; | ||
| } | ||
| } | ||
|
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| @Override | ||
| public EnumStateT snapshotState(long checkpointId) throws Exception { | ||
| return sourceSplitEnumerator.snapshotState(checkpointId); | ||
| } | ||
|
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| @Override | ||
| public void close() throws IOException { | ||
| sourceSplitEnumerator.close(); | ||
| } | ||
| } |
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