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[ISSUE-442] Support time window (#443)
* feat: support time window * fix: remove unused var * fix: ut
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8 changes: 8 additions & 0 deletions
8
...ow/geaflow-core/geaflow-api/src/main/java/com/antgroup/geaflow/api/window/WindowType.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| package com.antgroup.geaflow.api.window; | ||
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| public enum WindowType { | ||
| ALL_WINDOW, // all data | ||
| FIXED_TIME_TUMBLING_WINDOW, // window with time unit | ||
| SIZE_TUMBLING_WINDOW, // window with size unit | ||
| CUSTOM | ||
| } |
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38 changes: 38 additions & 0 deletions
38
...aflow-api/src/main/java/com/antgroup/geaflow/api/window/impl/FixedTimeTumblingWindow.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| package com.antgroup.geaflow.api.window.impl; | ||
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| import com.antgroup.geaflow.api.window.ITumblingWindow; | ||
| import com.antgroup.geaflow.api.window.WindowType; | ||
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| public class FixedTimeTumblingWindow<T> implements ITumblingWindow<T> { | ||
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| private final long timeWindowInSecond; | ||
| private long windowId; | ||
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| public FixedTimeTumblingWindow(long timeWindowInSecond) { | ||
| this.timeWindowInSecond = timeWindowInSecond; | ||
| } | ||
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| public long getTimeWindowSize() { | ||
| return timeWindowInSecond; | ||
| } | ||
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| @Override | ||
| public long windowId() { | ||
| return windowId; | ||
| } | ||
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| @Override | ||
| public void initWindow(long windowId) { | ||
| this.windowId = windowId; | ||
| } | ||
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| @Override | ||
| public long assignWindow(T value) { | ||
| return windowId; | ||
| } | ||
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| @Override | ||
| public WindowType getType() { | ||
| return WindowType.FIXED_TIME_TUMBLING_WINDOW; | ||
| } | ||
| } |
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40 changes: 40 additions & 0 deletions
40
...nnector-api/src/main/java/com/antgroup/geaflow/dsl/connector/api/AbstractTableSource.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| package com.antgroup.geaflow.dsl.connector.api; | ||
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| import com.antgroup.geaflow.dsl.common.exception.GeaFlowDSLException; | ||
| import com.antgroup.geaflow.dsl.connector.api.window.AllFetchWindow; | ||
| import com.antgroup.geaflow.dsl.connector.api.window.FetchWindow; | ||
| import com.antgroup.geaflow.dsl.connector.api.window.SizeFetchWindow; | ||
| import com.antgroup.geaflow.dsl.connector.api.window.TimeFetchWindow; | ||
| import java.io.IOException; | ||
| import java.util.Optional; | ||
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| public abstract class AbstractTableSource implements TableSource { | ||
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| public <T> FetchData<T> fetch(Partition partition, Optional<Offset> startOffset, FetchWindow windowInfo) throws IOException { | ||
| switch (windowInfo.getType()) { | ||
| case ALL_WINDOW: | ||
| return fetch(partition, startOffset, (AllFetchWindow) windowInfo); | ||
| case SIZE_TUMBLING_WINDOW: | ||
| return fetch(partition, startOffset, (SizeFetchWindow) windowInfo); | ||
| case FIXED_TIME_TUMBLING_WINDOW: | ||
| return fetch(partition, startOffset, (TimeFetchWindow) windowInfo); | ||
| default: | ||
| throw new GeaFlowDSLException("Not support window type:{}", windowInfo.getType()); | ||
| } | ||
| } | ||
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| public <T> FetchData<T> fetch(Partition partition, Optional<Offset> startOffset, AllFetchWindow windowInfo) throws IOException { | ||
| throw new GeaFlowDSLException("Not support"); | ||
| } | ||
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| public <T> FetchData<T> fetch(Partition partition, Optional<Offset> startOffset, SizeFetchWindow windowInfo) throws IOException { | ||
| throw new GeaFlowDSLException("Not support"); | ||
| } | ||
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| public <T> FetchData<T> fetch(Partition partition, Optional<Offset> startOffset, TimeFetchWindow windowInfo) throws IOException { | ||
| throw new GeaFlowDSLException("Not support"); | ||
| } | ||
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| } |
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15 changes: 15 additions & 0 deletions
15
...-api/src/main/java/com/antgroup/geaflow/dsl/connector/api/window/AbstractFetchWindow.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| package com.antgroup.geaflow.dsl.connector.api.window; | ||
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| public abstract class AbstractFetchWindow implements FetchWindow { | ||
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| protected final long windowId; | ||
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| public AbstractFetchWindow(long windowId) { | ||
| this.windowId = windowId; | ||
| } | ||
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| @Override | ||
| public long windowId() { | ||
| return windowId; | ||
| } | ||
| } |
23 changes: 23 additions & 0 deletions
23
...ector-api/src/main/java/com/antgroup/geaflow/dsl/connector/api/window/AllFetchWindow.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| package com.antgroup.geaflow.dsl.connector.api.window; | ||
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| import com.antgroup.geaflow.api.window.WindowType; | ||
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| /** | ||
| * Fetch all. | ||
| */ | ||
| public class AllFetchWindow extends AbstractFetchWindow { | ||
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| public AllFetchWindow(long windowId) { | ||
| super(windowId); | ||
| } | ||
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| @Override | ||
| public long windowSize() { | ||
| return -1; | ||
| } | ||
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| @Override | ||
| public WindowType getType() { | ||
| return WindowType.ALL_WINDOW; | ||
| } | ||
| } |
25 changes: 25 additions & 0 deletions
25
...onnector-api/src/main/java/com/antgroup/geaflow/dsl/connector/api/window/FetchWindow.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| package com.antgroup.geaflow.dsl.connector.api.window; | ||
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| import com.antgroup.geaflow.api.window.WindowType; | ||
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| /** | ||
| * Interface for the table source fetch records. | ||
| */ | ||
| public interface FetchWindow { | ||
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| /** | ||
| * Return the window id. | ||
| */ | ||
| long windowId(); | ||
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| /** | ||
| * Return the window size. | ||
| */ | ||
| long windowSize(); | ||
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| /** | ||
| * Return the window type. | ||
| */ | ||
| WindowType getType(); | ||
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| } |
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