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[FLINK-24440][source] Announce and combine latest watermarks across S…
…ourceOperators
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64 changes: 64 additions & 0 deletions
64
...k-runtime/src/main/java/org/apache/flink/runtime/source/event/ReportedWatermarkEvent.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| /* | ||
| * 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.runtime.source.event; | ||
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| import org.apache.flink.api.common.eventtime.Watermark; | ||
| import org.apache.flink.runtime.operators.coordination.OperatorEvent; | ||
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| import java.util.Objects; | ||
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| /** | ||
| * Reports last emitted {@link Watermark} from a subtask to the {@link | ||
| * org.apache.flink.runtime.source.coordinator.SourceCoordinator}. | ||
| */ | ||
| public class ReportedWatermarkEvent implements OperatorEvent { | ||
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| private static final long serialVersionUID = 1L; | ||
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| private final long watermark; | ||
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| public ReportedWatermarkEvent(long watermark) { | ||
| this.watermark = watermark; | ||
| } | ||
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| public long getWatermark() { | ||
| return watermark; | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) { | ||
| return true; | ||
| } | ||
| if (o == null || getClass() != o.getClass()) { | ||
| return false; | ||
| } | ||
| ReportedWatermarkEvent that = (ReportedWatermarkEvent) o; | ||
| return watermark == that.watermark; | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(watermark); | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return getClass().getSimpleName() + "{" + "watermark=" + watermark + '}'; | ||
| } | ||
| } |
60 changes: 60 additions & 0 deletions
60
...-runtime/src/main/java/org/apache/flink/runtime/source/event/WatermarkAlignmentEvent.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| /* | ||
| * 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.runtime.source.event; | ||
|
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| import org.apache.flink.runtime.operators.coordination.OperatorEvent; | ||
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| import java.util.Objects; | ||
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| /** Signals source operators the maximum watermark that emitted records can have. */ | ||
| public class WatermarkAlignmentEvent implements OperatorEvent { | ||
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| private static final long serialVersionUID = 1L; | ||
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| private final long maxWatermark; | ||
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| public WatermarkAlignmentEvent(long maxWatermark) { | ||
| this.maxWatermark = maxWatermark; | ||
| } | ||
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| public long getMaxWatermark() { | ||
| return maxWatermark; | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) { | ||
| return true; | ||
| } | ||
| if (o == null || getClass() != o.getClass()) { | ||
| return false; | ||
| } | ||
| WatermarkAlignmentEvent that = (WatermarkAlignmentEvent) o; | ||
| return maxWatermark == that.maxWatermark; | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(maxWatermark); | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return "WatermarkAlignmentEvent{" + "maxWatermark=" + maxWatermark + '}'; | ||
| } | ||
| } |
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