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[GJ-41] Support WS Tansformer with row-based output (oap-project#42)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /* | ||
| * 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 com.intel.oap.row; | ||
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| import io.kyligence.jni.engine.LocalEngine; | ||
| import org.apache.commons.lang3.StringUtils; | ||
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| import java.io.File; | ||
| import java.io.FileOutputStream; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.io.OutputStream; | ||
|
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| /** | ||
| * Java API for in-process profiling. Serves as a wrapper around | ||
| * async-profiler native library. This class is a singleton. | ||
| * The first call to {@link #getInstance()} initiates loading of | ||
| * libasyncProfiler.so. | ||
| */ | ||
| public class JniInstance { | ||
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| private static JniInstance instance; | ||
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| private String currLibPath = ""; | ||
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| private JniInstance() { | ||
| } | ||
|
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| public static JniInstance getInstance() { | ||
| return getInstance(null); | ||
| } | ||
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| public static synchronized JniInstance getInstance(String libPath) { | ||
| if (instance != null) { | ||
| return instance; | ||
| } | ||
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| File file = null; | ||
| boolean libPathExists = false; | ||
| if (StringUtils.isNotBlank(libPath)) { | ||
| file = new File(libPath); | ||
| libPathExists = file.isFile() && file.exists(); | ||
| } | ||
| if (!libPathExists) { | ||
| String soFileName = "/liblocal_engine_jnid.so"; | ||
| try { | ||
| InputStream is = JniInstance.class.getResourceAsStream(soFileName); | ||
| file = File.createTempFile("lib", ".so"); | ||
| OutputStream os = new FileOutputStream(file); | ||
| byte[] buffer = new byte[128 << 10]; | ||
| int length; | ||
| while ((length = is.read(buffer)) != -1) { | ||
| os.write(buffer, 0, length); | ||
| } | ||
| is.close(); | ||
| os.close(); | ||
| } catch (IOException e) { | ||
| } | ||
| } | ||
| if (file != null) { | ||
| try { | ||
| file.setReadable(true, false); | ||
| System.load(file.getAbsolutePath()); | ||
| libPath = file.getAbsolutePath(); | ||
| } catch (UnsatisfiedLinkError error) { | ||
| throw error; | ||
| } | ||
| } | ||
| instance = new JniInstance(); | ||
| instance.setCurrLibPath(libPath); | ||
| LocalEngine.initEngineEnv(); | ||
| return instance; | ||
| } | ||
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| public void setCurrLibPath(String currLibPath) { | ||
| this.currLibPath = currLibPath; | ||
| } | ||
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| public LocalEngine buildLocalEngine(byte[] substraitPlan) { | ||
| LocalEngine localEngine = new LocalEngine(substraitPlan); | ||
| return localEngine; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /* | ||
| * 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 com.intel.oap.row; | ||
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| import io.kyligence.jni.engine.LocalEngine; | ||
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| import java.io.IOException; | ||
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| public class RowIterator { | ||
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| private LocalEngine localEngine; | ||
| private boolean closed = false; | ||
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| public RowIterator() throws IOException {} | ||
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| public RowIterator(byte[] plan, String soFilePath) throws IOException { | ||
| this.localEngine = JniInstance.getInstance(soFilePath).buildLocalEngine(plan); | ||
| this.localEngine.execute(); | ||
| } | ||
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| public boolean hasNext() throws IOException { | ||
| return this.localEngine.hasNext(); | ||
| } | ||
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| public SparkRowInfo next() throws IOException { | ||
| if (this.localEngine == null) { | ||
| return null; | ||
| } | ||
| return this.localEngine.next(); | ||
| } | ||
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| public void close() { | ||
| if (!closed) { | ||
| if (this.localEngine != null) { | ||
| try { | ||
| this.localEngine.close(); | ||
| } catch (IOException e) { | ||
| } | ||
| } | ||
| closed = true; | ||
| } | ||
| } | ||
| } |
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46 changes: 46 additions & 0 deletions
46
jvm/src/main/java/io/kyligence/jni/engine/LocalEngine.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| /* | ||
| * 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 io.kyligence.jni.engine; | ||
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| import java.io.Closeable; | ||
| import java.io.IOException; | ||
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| import com.intel.oap.row.SparkRowInfo; | ||
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| public class LocalEngine implements Closeable { | ||
| public static native long test(int a, int b); | ||
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| public static native void initEngineEnv(); | ||
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| private long nativeExecutor; | ||
| private byte[] plan; | ||
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| public LocalEngine(byte[] plan) { | ||
| this.plan = plan; | ||
| } | ||
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| public native void execute(); | ||
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| public native boolean hasNext(); | ||
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| public native SparkRowInfo next(); | ||
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| @Override | ||
| public native void close() throws IOException; | ||
| } |
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