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add MultiTableAppendOnlyCompactionTask
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61 changes: 61 additions & 0 deletions
61
paimon-core/src/main/java/org/apache/paimon/append/MultiTableAppendOnlyCompactionTask.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| * 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.append; | ||
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| import org.apache.paimon.catalog.Identifier; | ||
| import org.apache.paimon.data.BinaryRow; | ||
| import org.apache.paimon.io.DataFileMeta; | ||
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| import java.util.List; | ||
| import java.util.Objects; | ||
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| /** Compaction task for multi table . */ | ||
| public class MultiTableAppendOnlyCompactionTask extends AppendOnlyCompactionTask { | ||
| private final Identifier tableIdentifier; | ||
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| public MultiTableAppendOnlyCompactionTask( | ||
| BinaryRow partition, List<DataFileMeta> files, Identifier identifier) { | ||
| super(partition, files); | ||
| this.tableIdentifier = identifier; | ||
| } | ||
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| public Identifier tableIdentifier() { | ||
| return tableIdentifier; | ||
| } | ||
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| public int hashCode() { | ||
| return Objects.hash(partition(), compactBefore(), compactAfter(), tableIdentifier); | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) { | ||
| return true; | ||
| } | ||
| if (o == null || getClass() != o.getClass()) { | ||
| return false; | ||
| } | ||
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| MultiTableAppendOnlyCompactionTask that = (MultiTableAppendOnlyCompactionTask) o; | ||
| return Objects.equals(partition(), that.partition()) | ||
| && Objects.equals(compactBefore(), that.compactBefore()) | ||
| && Objects.equals(compactAfter(), that.compactAfter()) | ||
| && Objects.equals(tableIdentifier, that.tableIdentifier); | ||
| } | ||
| } |
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117 changes: 117 additions & 0 deletions
117
...n-core/src/main/java/org/apache/paimon/table/sink/MultiTableCompactionTaskSerializer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| /* | ||
| * 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.table.sink; | ||
|
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| import org.apache.paimon.append.MultiTableAppendOnlyCompactionTask; | ||
| import org.apache.paimon.data.serializer.VersionedSerializer; | ||
| import org.apache.paimon.io.DataFileMetaSerializer; | ||
| import org.apache.paimon.io.DataInputDeserializer; | ||
| import org.apache.paimon.io.DataInputView; | ||
| import org.apache.paimon.io.DataOutputView; | ||
| import org.apache.paimon.io.DataOutputViewStreamWrapper; | ||
| import org.apache.paimon.io.IdentifierSerializer; | ||
|
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| import java.io.ByteArrayOutputStream; | ||
| import java.io.IOException; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| import static org.apache.paimon.utils.SerializationUtils.deserializeBinaryRow; | ||
| import static org.apache.paimon.utils.SerializationUtils.serializeBinaryRow; | ||
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| /** Serializer for {@link MultiTableAppendOnlyCompactionTask}. */ | ||
| public class MultiTableCompactionTaskSerializer | ||
| implements VersionedSerializer<MultiTableAppendOnlyCompactionTask> { | ||
| private static final int CURRENT_VERSION = 1; | ||
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| private final DataFileMetaSerializer dataFileSerializer; | ||
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| private final IdentifierSerializer identifierSerializer; | ||
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| public MultiTableCompactionTaskSerializer() { | ||
| this.dataFileSerializer = new DataFileMetaSerializer(); | ||
| this.identifierSerializer = new IdentifierSerializer(); | ||
| } | ||
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| @Override | ||
| public int getVersion() { | ||
| return CURRENT_VERSION; | ||
| } | ||
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| @Override | ||
| public byte[] serialize(MultiTableAppendOnlyCompactionTask task) throws IOException { | ||
| ByteArrayOutputStream out = new ByteArrayOutputStream(); | ||
| DataOutputViewStreamWrapper view = new DataOutputViewStreamWrapper(out); | ||
| serialize(task, view); | ||
| return out.toByteArray(); | ||
| } | ||
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| private void serialize(MultiTableAppendOnlyCompactionTask task, DataOutputView view) | ||
| throws IOException { | ||
| serializeBinaryRow(task.partition(), view); | ||
| dataFileSerializer.serializeList(task.compactBefore(), view); | ||
| identifierSerializer.serialize(task.tableIdentifier(), view); | ||
| } | ||
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| @Override | ||
| public MultiTableAppendOnlyCompactionTask deserialize(int version, byte[] serialized) | ||
| throws IOException { | ||
| checkVersion(version); | ||
| DataInputDeserializer view = new DataInputDeserializer(serialized); | ||
| return deserialize(view); | ||
| } | ||
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| private MultiTableAppendOnlyCompactionTask deserialize(DataInputView view) throws IOException { | ||
| return new MultiTableAppendOnlyCompactionTask( | ||
| deserializeBinaryRow(view), | ||
| dataFileSerializer.deserializeList(view), | ||
| identifierSerializer.deserialize(view)); | ||
| } | ||
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| public List<MultiTableAppendOnlyCompactionTask> deserializeList(int version, DataInputView view) | ||
| throws IOException { | ||
| checkVersion(version); | ||
| int length = view.readInt(); | ||
| List<MultiTableAppendOnlyCompactionTask> list = new ArrayList<>(length); | ||
| for (int i = 0; i < length; i++) { | ||
| list.add(deserialize(view)); | ||
| } | ||
| return list; | ||
| } | ||
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| public void serializeList(List<MultiTableAppendOnlyCompactionTask> list, DataOutputView view) | ||
| throws IOException { | ||
| view.writeInt(list.size()); | ||
| for (MultiTableAppendOnlyCompactionTask commitMessage : list) { | ||
| serialize(commitMessage, view); | ||
| } | ||
| } | ||
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| private void checkVersion(int version) { | ||
| if (version != CURRENT_VERSION) { | ||
| throw new UnsupportedOperationException( | ||
| "Expecting MultiTableCompactionTaskSerializer version to be " | ||
| + CURRENT_VERSION | ||
| + ", but found " | ||
| + version | ||
| + ".\nCompactionTask is not a compatible data structure. " | ||
| + "Please restart the job afresh (do not recover from savepoint)."); | ||
| } | ||
| } | ||
| } |
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