org.apache.flink.runtime.state.gemini.engine.hashtable.SubKVTableDescription Maven / Gradle / Ivy
/*
* 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.
*/
package org.apache.flink.runtime.state.gemini.engine.hashtable;
import org.apache.flink.runtime.state.gemini.engine.GRegion;
import org.apache.flink.runtime.state.gemini.engine.GRegionContext;
import org.apache.flink.runtime.state.gemini.engine.GRegionID;
import org.apache.flink.runtime.state.gemini.engine.GTable;
import org.apache.flink.runtime.state.gemini.engine.GTableDescription;
import org.apache.flink.runtime.state.gemini.engine.dbms.GContext;
import org.apache.flink.runtime.state.gemini.engine.page.PageIndex;
import org.apache.flink.runtime.state.gemini.engine.page.PageSerdeFlink;
import org.apache.flink.runtime.state.gemini.engine.page.PageSerdeFlink2Key;
import org.apache.flink.util.Preconditions;
/**
* SubKVTableDescription.
* @param
* @param
* @param
*/
public class SubKVTableDescription implements GTableDescription {
private final String tableName;
private final int startGroup;
private final int numberGroups;
private final int maxParallelism;
private final PageSerdeFlink2Key pageSerdeFlink;
public SubKVTableDescription(
String tableName,
int startGroup,
int numberGroups,
int maxParallelism,
PageSerdeFlink2Key pageSerdeFlink) {
this.tableName = Preconditions.checkNotNull(tableName);
this.startGroup = startGroup;
this.numberGroups = numberGroups;
this.maxParallelism = maxParallelism;
this.pageSerdeFlink = pageSerdeFlink;
}
@Override
public String getTableName() {
return tableName;
}
@Override
public GTable createTable(GContext gContext) {
return new GTableSubKeyedValueImpl(this, startGroup, numberGroups, maxParallelism, gContext);
}
@Override
public GRegion createRegion(GContext gContext, GTable gTable, GRegionID regionId) {
GRegionContext regionContext = new GRegionContext(gContext, tableName, regionId, pageSerdeFlink);
return new GRegionKMapImpl(regionContext);
}
@Override
public GRegion createRegion(
GContext gContext, GTable gTable, GRegionID regionId, PageIndex pageIndex) {
GRegionContext regionContext = new GRegionContext(gContext, tableName, regionId, pageSerdeFlink);
return new GRegionKMapImpl(regionContext, pageIndex);
}
@Override
public GRegion createRegion(
GRegionContext regionContext, PageIndex pageIndex) {
return new GRegionKMapImpl(regionContext, pageIndex);
}
@Override
public PageSerdeFlink getPageSerde() {
return pageSerdeFlink;
}
}