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feat(java-binding): support java binding on stream chunk (#8517)
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43 changes: 43 additions & 0 deletions
43
...a-binding-integration-test/src/main/java/com/risingwave/java/binding/StreamChunkDemo.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| // Copyright 2023 RisingWave Labs | ||
| // | ||
| // Licensed 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 com.risingwave.java.binding; | ||
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| import static com.risingwave.java.binding.Utils.validateRow; | ||
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| import java.io.IOException; | ||
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| public class StreamChunkDemo { | ||
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| public static void main(String[] args) throws IOException { | ||
| byte[] payload = System.in.readAllBytes(); | ||
| try (StreamChunkIterator iter = new StreamChunkIterator(payload)) { | ||
| int count = 0; | ||
| while (true) { | ||
| try (StreamChunkRow row = iter.next()) { | ||
| if (row == null) { | ||
| break; | ||
| } | ||
| count += 1; | ||
| validateRow(row); | ||
| } | ||
| } | ||
| int expectedCount = 30000; | ||
| if (count != expectedCount) { | ||
| throw new RuntimeException( | ||
| String.format("row count is %s, should be %s", count, expectedCount)); | ||
| } | ||
| } | ||
| } | ||
| } |
56 changes: 56 additions & 0 deletions
56
java/java-binding-integration-test/src/main/java/com/risingwave/java/binding/Utils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| // Copyright 2023 RisingWave Labs | ||
| // | ||
| // Licensed 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 com.risingwave.java.binding; | ||
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| public class Utils { | ||
| public static void validateRow(BaseRow row) { | ||
| // The validation of row data are according to the data generation rule | ||
| // defined in ${REPO_ROOT}/src/java_binding/gen-demo-insert-data.py | ||
| short rowIndex = row.getShort(0); | ||
| if (row.getInt(1) != rowIndex) { | ||
| throw new RuntimeException( | ||
| String.format("invalid int value: %s %s", row.getInt(1), rowIndex)); | ||
| } | ||
| if (row.getLong(2) != rowIndex) { | ||
| throw new RuntimeException( | ||
| String.format("invalid long value: %s %s", row.getLong(2), rowIndex)); | ||
| } | ||
| if (row.getFloat(3) != (float) rowIndex) { | ||
| throw new RuntimeException( | ||
| String.format("invalid float value: %s %s", row.getFloat(3), rowIndex)); | ||
| } | ||
| if (row.getDouble(4) != (double) rowIndex) { | ||
| throw new RuntimeException( | ||
| String.format("invalid double value: %s %s", row.getDouble(4), rowIndex)); | ||
| } | ||
| if (row.getBoolean(5) != (rowIndex % 3 == 0)) { | ||
| throw new RuntimeException( | ||
| String.format( | ||
| "invalid bool value: %s %s", row.getBoolean(5), (rowIndex % 3 == 0))); | ||
| } | ||
| if (!row.getString(6).equals(((Short) rowIndex).toString().repeat((rowIndex % 10) + 1))) { | ||
| throw new RuntimeException( | ||
| String.format( | ||
| "invalid string value: %s %s", | ||
| row.getString(6), | ||
| ((Short) rowIndex).toString().repeat((rowIndex % 10) + 1))); | ||
| } | ||
| if (row.isNull(7) != (rowIndex % 5 == 0)) { | ||
| throw new RuntimeException( | ||
| String.format( | ||
| "invalid isNull value: %s %s", row.isNull(7), (rowIndex % 5 == 0))); | ||
| } | ||
| } | ||
| } |
65 changes: 65 additions & 0 deletions
65
java/java-binding/src/main/java/com/risingwave/java/binding/BaseRow.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| // Copyright 2023 RisingWave Labs | ||
| // | ||
| // Licensed 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 com.risingwave.java.binding; | ||
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| public class BaseRow implements AutoCloseable { | ||
| protected final long pointer; | ||
| private boolean isClosed; | ||
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| protected BaseRow(long pointer) { | ||
| this.pointer = pointer; | ||
| this.isClosed = false; | ||
| } | ||
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| public boolean isNull(int index) { | ||
| return Binding.rowIsNull(pointer, index); | ||
| } | ||
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| public short getShort(int index) { | ||
| return Binding.rowGetInt16Value(pointer, index); | ||
| } | ||
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| public int getInt(int index) { | ||
| return Binding.rowGetInt32Value(pointer, index); | ||
| } | ||
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| public long getLong(int index) { | ||
| return Binding.rowGetInt64Value(pointer, index); | ||
| } | ||
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| public float getFloat(int index) { | ||
| return Binding.rowGetFloatValue(pointer, index); | ||
| } | ||
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| public double getDouble(int index) { | ||
| return Binding.rowGetDoubleValue(pointer, index); | ||
| } | ||
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| public boolean getBoolean(int index) { | ||
| return Binding.rowGetBooleanValue(pointer, index); | ||
| } | ||
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| public String getString(int index) { | ||
| return Binding.rowGetStringValue(pointer, index); | ||
| } | ||
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| @Override | ||
| public void close() { | ||
| if (!isClosed) { | ||
| isClosed = true; | ||
| Binding.rowClose(pointer); | ||
| } | ||
| } | ||
| } |
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