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[flink] Replace legacy SourceFunction with v2 Source
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50 changes: 50 additions & 0 deletions
50
...ink-common/src/main/java/org/apache/paimon/flink/source/AbstractNonCoordinatedSource.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* | ||
| * 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.paimon.flink.source; | ||
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| import org.apache.flink.api.connector.source.Source; | ||
| import org.apache.flink.api.connector.source.SplitEnumerator; | ||
| import org.apache.flink.api.connector.source.SplitEnumeratorContext; | ||
| import org.apache.flink.core.io.SimpleVersionedSerializer; | ||
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| /** {@link Source} that does not require coordination between JobManager and TaskManagers. */ | ||
| public abstract class AbstractNonCoordinatedSource<T> | ||
| implements Source<T, SimpleSourceSplit, NoOpEnumState> { | ||
| @Override | ||
| public SplitEnumerator<SimpleSourceSplit, NoOpEnumState> createEnumerator( | ||
| SplitEnumeratorContext<SimpleSourceSplit> enumContext) { | ||
| return new NoOpEnumerator<>(); | ||
| } | ||
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| @Override | ||
| public SplitEnumerator<SimpleSourceSplit, NoOpEnumState> restoreEnumerator( | ||
| SplitEnumeratorContext<SimpleSourceSplit> enumContext, NoOpEnumState checkpoint) { | ||
| return new NoOpEnumerator<>(); | ||
| } | ||
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| @Override | ||
| public SimpleVersionedSerializer<SimpleSourceSplit> getSplitSerializer() { | ||
| return new SimpleSourceSplitSerializer(); | ||
| } | ||
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| @Override | ||
| public SimpleVersionedSerializer<NoOpEnumState> getEnumeratorCheckpointSerializer() { | ||
| return new NoOpEnumStateSerializer(); | ||
| } | ||
| } |
51 changes: 51 additions & 0 deletions
51
...mmon/src/main/java/org/apache/paimon/flink/source/AbstractNonCoordinatedSourceReader.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| /* | ||
| * 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.paimon.flink.source; | ||
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| import org.apache.flink.api.connector.source.SourceReader; | ||
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| import java.util.Collections; | ||
| import java.util.List; | ||
| import java.util.concurrent.CompletableFuture; | ||
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| /** Abstract {@link SourceReader} for {@link AbstractNonCoordinatedSource}. */ | ||
| public abstract class AbstractNonCoordinatedSourceReader<T> | ||
| implements SourceReader<T, SimpleSourceSplit> { | ||
| @Override | ||
| public void start() {} | ||
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| @Override | ||
| public List<SimpleSourceSplit> snapshotState(long l) { | ||
| return Collections.emptyList(); | ||
| } | ||
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| @Override | ||
| public CompletableFuture<Void> isAvailable() { | ||
| return CompletableFuture.completedFuture(null); | ||
| } | ||
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| @Override | ||
| public void addSplits(List<SimpleSourceSplit> list) {} | ||
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| @Override | ||
| public void notifyNoMoreSplits() {} | ||
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| @Override | ||
| public void close() throws Exception {} | ||
| } |
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