org.apache.flink.runtime.state.gemini.engine.hashtable.GTableKeyedMapImpl Maven / Gradle / Ivy
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* 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
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package org.apache.flink.runtime.state.gemini.engine.hashtable;
import org.apache.flink.runtime.state.KeyGroupRangeAssignment;
import org.apache.flink.runtime.state.gemini.engine.GRegion;
import org.apache.flink.runtime.state.gemini.engine.GRegionID;
import org.apache.flink.runtime.state.gemini.engine.GRegionIDImpl;
import org.apache.flink.runtime.state.gemini.engine.GTableDescription;
import org.apache.flink.runtime.state.gemini.engine.dbms.GContext;
import java.util.Map;
import static org.apache.flink.util.Preconditions.checkArgument;
/**
* GTableKeyedMapImpl.
* @param
* @param
* @param
*/
public class GTableKeyedMapImpl extends AbstractGTableKeyedMapImpl {
public GTableKeyedMapImpl(
GTableDescription description,
int startGroup,
int numberGroups,
int maxParallelism,
GContext context) {
super(description, startGroup, numberGroups, maxParallelism, context);
}
@SuppressWarnings("unchecked")
@Override
public AbstractGRegionKMapImpl> getRegion(K key) {
int group = KeyGroupRangeAssignment.assignToKeyGroup(key, maxParallelism);
int offset = group - startGroup;
AbstractGRegionKMapImpl> region = regions[offset];
if (region == null) {
region = (GRegionKMapImpl) description.createRegion(context,
this,
new GRegionIDImpl(GRegionID.G_REGION_DATA, group));
regions[offset] = region;
}
return region;
}
@Override
public void setRegion(int idx, GRegion region) {
checkArgument(idx >= startGroup && idx < endGroup);
regions[idx - startGroup] = (GRegionKMapImpl) region;
}
@Override
public void setIndexRegion(int idx, GRegion indexRegion) {
throw new UnsupportedOperationException("");
}
}