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/*
* 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.page;
import org.apache.flink.api.common.typeutils.TypeSerializer;
import org.apache.flink.api.java.tuple.Tuple2;
import org.apache.flink.runtime.state.gemini.engine.GRegion;
import org.apache.flink.runtime.state.gemini.engine.memstore.GSValue;
import org.apache.flink.runtime.state.gemini.engine.page.DataPage.DataPageType;
import org.apache.flink.runtime.state.gemini.engine.page.bmap.BinaryKey;
import org.apache.flink.runtime.state.gemini.engine.page.bmap.BinaryValue;
import org.apache.flink.runtime.state.gemini.engine.page.bmap.GBinaryHashMap;
import org.apache.flink.util.Preconditions;
import org.apache.flink.shaded.guava18.com.google.common.collect.Maps;
import org.apache.flink.shaded.netty4.io.netty.util.concurrent.EventExecutor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
import static org.apache.flink.runtime.state.gemini.engine.page.bmap.GBinaryHashMap.EMPTY_G_BINARY_HASHMAP;
/**
* PageStoreHashKSortedMapImpl.
*/
public class PageStoreHashKSortedMapImpl extends PageStoreHashKMapImpl implements PageStoreKSortedMap {
private static final Logger LOG = LoggerFactory.getLogger(PageStoreHashKSortedMapImpl.class);
public PageStoreHashKSortedMapImpl(
GRegion gRegion, EventExecutor eventExecutor) {
super(gRegion, eventExecutor);
}
public PageStoreHashKSortedMapImpl(
GRegion gRegion, PageIndex pageIndex, EventExecutor eventExecutor) {
super(gRegion, pageIndex, eventExecutor);
}
@Override
DataPage doCreateDataPage(
long version, List>>>> dataSet, int logicPageId) {
GBinaryHashMap gBinaryHashMap = GBinaryHashMap.of(DataPageType.KSortedMap,
dataSet,
this.pageSerdeFlink.getKeySerde(),
this.pageSerdeFlink2Key.getMapValueTypeSerializer(),
version,
logicPageId,
gContext.getSupervisor().getAllocator(),
1,
gRegionContext.getGContext().getInPageGCompressAlgorithm());
return gBinaryHashMap == EMPTY_G_BINARY_HASHMAP
? null
: new DataPageKSortedMapImpl<>(gBinaryHashMap,
this.pageSerdeFlink2Key.getKey2Serde(),
this.pageSerdeFlink2Key.getValueSerde(),
this.pageSerdeFlink2Key.getMapValueTypeSerializer(),
this.pageSerdeFlink2Key.getMapComparator());
}
@Override
public TreeMap> get(K key) {
Map> result = super.get(key);
if (result != null) {
Preconditions.checkArgument(result instanceof TreeMap, "Interal Bug");
// NOTE: state will be filtered by the upper level
return (TreeMap>) result;
} else {
return null;
}
}
@Override
TreeMap> doCompactValueToPOJO(List binaryValueReversedOrderList) {
Map binaryValueMap = DataPageKMapImpl.doCompactValueToBinaryMap(
binaryValueReversedOrderList,
pageSerdeFlink2Key.getKey2Serde());
TreeMap> result = new TreeMap<>(this.pageSerdeFlink2Key.getMapComparator().getJDKCompactor());
for (Map.Entry entry : binaryValueMap.entrySet()) {
//For POJO, it results to client, so it don't need to include the Deleted value.
if (entry.getValue() == null || entry.getValue().getgValueType() == GValueType.Delete) {
continue;
}
result.put(getMKeyFromBinary(entry.getKey()), getMValueFromBinary(entry.getValue()));
}
return result;
}
@Override
protected DataPage doBuildDataPageFromGBinaryMap(
boolean isMajor,
long version,
int logicPageId,
TypeSerializer keySerde,
Map finalCompactedMap,
long compactionCount) {
GBinaryHashMap gBinaryHashMap = GBinaryHashMap.ofBinaryList(DataPageType.KSortedMap,
isMajor,
version,
logicPageId,
this.pageSerdeFlink.getKeySerde(),
gContext.getSupervisor().getAllocator(),
finalCompactedMap,
compactionCount,
gContext.getStateFilter(),
gRegionContext);
//TODO delReference finalCompactedMap.
return gBinaryHashMap == EMPTY_G_BINARY_HASHMAP
? null
: new DataPageKSortedMapImpl<>(gBinaryHashMap,
this.pageSerdeFlink2Key.getKey2Serde(),
this.pageSerdeFlink2Key.getValueSerde(),
this.pageSerdeFlink2Key.getMapValueTypeSerializer(),
this.pageSerdeFlink2Key.getMapComparator());
}
@Override
BinaryValue doCompactValue(
List binaryValueList, boolean isMajor, long version, int logicPageId) {
return DataPageKSortedMapImpl.doCompactionSortedMapValue(binaryValueList,
pageSerdeFlink2Key.getKey2Serde(),
pageSerdeFlink2Key.getMapComparator(),
isMajor,
version,
logicPageId,
//value use defaultAllocator
gContext.getSupervisor().getDefaultAllocator(),
gContext.getStateFilter(),
gRegionContext);
}
@Override
public Map.Entry firstEntry(K key) {
//TODO now only support get the POJO treeMap. to support sort-merge In future.
TreeMap> sortedMap = get(key);
if (sortedMap == null) {
return null;
}
//No deleted of type in there.
Map.Entry> firstEntry = sortedMap.firstEntry();
return new Map.Entry() {
@Override
public MK getKey() {
return firstEntry.getKey();
}
@Override
public MV getValue() {
return firstEntry.getValue().getValue();
}
@Override
public MV setValue(MV value) {
return null;
}
};
}
@Override
public Map.Entry lastEntry(K key) {
//TODO now only support get the POJO treeMap. to support sort-merge In future.
TreeMap> sortedMap = get(key);
if (sortedMap == null) {
return null;
}
//No deleted of type in there.
Map.Entry> lastEntry = sortedMap.lastEntry();
return new Map.Entry() {
@Override
public MK getKey() {
return lastEntry.getKey();
}
@Override
public MV getValue() {
return lastEntry.getValue().getValue();
}
@Override
public MV setValue(MV value) {
return null;
}
};
}
@Override
public Iterator> headIterator(K key, MK endMapKey) {
//TODO now only support get the POJO treeMap. to support sort-merge In future.
TreeMap> sortedMap = get(key);
if (sortedMap == null) {
Collections.emptyIterator();
}
//No deleted of type in there.
SortedMap> submap = sortedMap.headMap(endMapKey);
if (submap == null || submap.size() == 0) {
Collections.emptyIterator();
}
return Maps.transformEntries(submap, (mk, mv) -> mv.getValue()).entrySet().iterator();
}
@Override
public Iterator> tailIterator(K key, MK startMapKey) {
//TODO now only support get the POJO treeMap. to support sort-merge In future.
TreeMap> sortedMap = get(key);
if (sortedMap == null) {
Collections.emptyIterator();
}
//No deleted of type in there.
SortedMap> submap = sortedMap.tailMap(startMapKey);
if (submap == null || submap.size() == 0) {
Collections.emptyIterator();
}
return Maps.transformEntries(submap, (mk, mv) -> mv.getValue()).entrySet().iterator();
}
@Override
public Iterator> subIterator(K key, MK startMapKey, MK endMapKey) {
//TODO now only support get the POJO treeMap. to support sort-merge In future.
TreeMap> sortedMap = get(key);
if (sortedMap == null) {
Collections.emptyIterator();
}
//No deleted of type in there.
SortedMap> submap = sortedMap.subMap(startMapKey, endMapKey);
if (submap == null || submap.size() == 0) {
Collections.emptyIterator();
}
return Maps.transformEntries(submap, (mk, mv) -> mv.getValue()).entrySet().iterator();
}
}
