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87 changes: 87 additions & 0 deletions
87
...rino/plugin/adb/connector/protocol/gpfdist/load/process/GpfdistPageProcessorProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
| package io.trino.plugin.adb.connector.protocol.gpfdist.load.process; | ||
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| import io.trino.plugin.adb.connector.protocol.gpfdist.load.PageProcessor; | ||
|
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| import java.util.concurrent.ConcurrentLinkedQueue; | ||
| import java.util.concurrent.atomic.AtomicBoolean; | ||
| import java.util.concurrent.locks.Condition; | ||
| import java.util.concurrent.locks.ReentrantLock; | ||
|
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| import static java.lang.String.format; | ||
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| public class GpfdistPageProcessorProvider | ||
| implements PageProcessorProvider | ||
| { | ||
| private static final long ADB_SEGMENT_WAIT_TIMEOUT = 60000L; | ||
| private final ConcurrentLinkedQueue<PageProcessor> pageProcessors = new ConcurrentLinkedQueue<>(); | ||
| private final AtomicBoolean isReadyForProcessing = new AtomicBoolean(false); | ||
| private final ReentrantLock lock = new ReentrantLock(); | ||
| private final Condition isReadyForProcessingCondition = lock.newCondition(); | ||
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| public GpfdistPageProcessorProvider() | ||
| { | ||
| } | ||
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| @Override | ||
| public void add(PageProcessor processor) | ||
| { | ||
| lock.lock(); | ||
| try { | ||
| pageProcessors.add(processor); | ||
| isReadyForProcessing.set(true); | ||
| isReadyForProcessingCondition.signalAll(); | ||
| } | ||
| finally { | ||
| lock.unlock(); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public PageProcessor take() | ||
| { | ||
| lock.lock(); | ||
| try { | ||
| if (!isReadyForProcessing.get()) { | ||
| long startTime = System.currentTimeMillis(); | ||
| while (pageProcessors.isEmpty()) { | ||
| try { | ||
| if (System.currentTimeMillis() - startTime > ADB_SEGMENT_WAIT_TIMEOUT) { | ||
| throw new RuntimeException( | ||
| format("Timeout :%d ms waiting for segments responses is exceeded", | ||
| ADB_SEGMENT_WAIT_TIMEOUT)); | ||
| } | ||
| isReadyForProcessingCondition.await(); | ||
| } | ||
| catch (InterruptedException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } | ||
| } | ||
| PageProcessor pageProcessor = pageProcessors.poll(); | ||
| pageProcessors.offer(pageProcessor); | ||
| return pageProcessor; | ||
| } | ||
| finally { | ||
| lock.unlock(); | ||
| } | ||
| } | ||
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| @Override | ||
| public ConcurrentLinkedQueue<PageProcessor> getAll() | ||
| { | ||
| return pageProcessors; | ||
| } | ||
| } |
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27 changes: 27 additions & 0 deletions
27
...va/io/trino/plugin/adb/connector/protocol/gpfdist/load/process/PageProcessorProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
| package io.trino.plugin.adb.connector.protocol.gpfdist.load.process; | ||
|
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| import io.trino.plugin.adb.connector.protocol.gpfdist.load.PageProcessor; | ||
|
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| import java.util.concurrent.ConcurrentLinkedQueue; | ||
|
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| public interface PageProcessorProvider | ||
| { | ||
| void add(PageProcessor processor); | ||
|
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| PageProcessor take(); | ||
|
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| ConcurrentLinkedQueue<PageProcessor> getAll(); | ||
| } |
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