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[FLINK-36269][python] Remove usage about TableEnvironmentInternal#fro…
…mTableSource in python module (#25322)
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54 changes: 54 additions & 0 deletions
54
flink-python/src/main/java/org/apache/flink/table/runtime/arrow/ByteArrayUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /* | ||
| * 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.flink.table.runtime.arrow; | ||
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| import org.apache.flink.annotation.Internal; | ||
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| import java.io.ByteArrayInputStream; | ||
| import java.io.ByteArrayOutputStream; | ||
| import java.io.IOException; | ||
| import java.io.ObjectInputStream; | ||
| import java.io.ObjectOutputStream; | ||
| import java.util.Base64; | ||
|
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| /** A utility class for converting byte[][] to String and String to byte[][]. */ | ||
| @Internal | ||
| public class ByteArrayUtils { | ||
|
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| /** Convert byte[][] to String. */ | ||
| public static String twoDimByteArrayToString(byte[][] byteArray) throws IOException { | ||
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); | ||
| ObjectOutputStream oos = new ObjectOutputStream(bos); | ||
| oos.writeObject(byteArray); | ||
| oos.flush(); | ||
| byte[] serializedArray = bos.toByteArray(); | ||
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| return Base64.getEncoder().encodeToString(serializedArray); | ||
| } | ||
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| /** Convert String to byte[][]. */ | ||
| public static byte[][] stringToTwoDimByteArray(String str) | ||
| throws IOException, ClassNotFoundException { | ||
| byte[] bytes = Base64.getDecoder().decode(str); | ||
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| ByteArrayInputStream bis = new ByteArrayInputStream(bytes); | ||
| ObjectInputStream ois = new ObjectInputStream(bis); | ||
| return (byte[][]) ois.readObject(); | ||
| } | ||
| } |
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62 changes: 62 additions & 0 deletions
62
...n/src/main/java/org/apache/flink/table/runtime/arrow/sources/ArrowTableSourceFactory.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /* | ||
| * 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.flink.table.runtime.arrow.sources; | ||
|
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| import org.apache.flink.configuration.ConfigOption; | ||
| import org.apache.flink.configuration.ReadableConfig; | ||
| import org.apache.flink.table.connector.source.DynamicTableSource; | ||
| import org.apache.flink.table.factories.DynamicTableSourceFactory; | ||
| import org.apache.flink.table.factories.FactoryUtil; | ||
| import org.apache.flink.table.types.DataType; | ||
|
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| import java.util.HashSet; | ||
| import java.util.Set; | ||
|
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| /** Factory for creating configured instances of {@link ArrowTableSource}.. */ | ||
| public class ArrowTableSourceFactory implements DynamicTableSourceFactory { | ||
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| public static final String IDENTIFIER = "python-arrow-source"; | ||
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| @Override | ||
| public String factoryIdentifier() { | ||
| return IDENTIFIER; | ||
| } | ||
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| @Override | ||
| public Set<ConfigOption<?>> requiredOptions() { | ||
| Set<ConfigOption<?>> options = new HashSet<>(); | ||
| options.add(ArrowTableSourceOptions.DATA); | ||
| return options; | ||
| } | ||
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| @Override | ||
| public Set<ConfigOption<?>> optionalOptions() { | ||
| return new HashSet<>(); | ||
| } | ||
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| @Override | ||
| public DynamicTableSource createDynamicTableSource(Context context) { | ||
| FactoryUtil.TableFactoryHelper helper = FactoryUtil.createTableFactoryHelper(this, context); | ||
| ReadableConfig tableOptions = helper.getOptions(); | ||
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| String data = tableOptions.get(ArrowTableSourceOptions.DATA); | ||
| DataType dataType = context.getPhysicalRowDataType(); | ||
| return new ArrowTableSource(dataType, data); | ||
| } | ||
| } |
34 changes: 34 additions & 0 deletions
34
...n/src/main/java/org/apache/flink/table/runtime/arrow/sources/ArrowTableSourceOptions.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| /* | ||
| * 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.flink.table.runtime.arrow.sources; | ||
|
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| import org.apache.flink.configuration.ConfigOption; | ||
| import org.apache.flink.configuration.ConfigOptions; | ||
|
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| /** Table options for the {@link ArrowTableSource}. */ | ||
| public class ArrowTableSourceOptions { | ||
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| public static final ConfigOption<String> DATA = | ||
| ConfigOptions.key("data") | ||
| .stringType() | ||
| .noDefaultValue() | ||
| .withDescription( | ||
| "This is the data serialized by Arrow with a byte two-dimensional array. " | ||
| + "Note: The byte two-dimensional array is converted into a string using base64."); | ||
| } |
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