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Revert "GH#11601: Add ability to compute reader states after refresh" 

This reverts commit bde4051374.
This commit is contained in:
stefanvodita 2023-03-11 19:19:30 +00:00
parent e2e848ea61
commit c16ebc9be2
2 changed files with 0 additions and 81 deletions
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30
lucene/core/src/java/org/apache/lucene/search/ReferenceManager.java
View File

@ -219,36 +219,6 @@ public abstract class ReferenceManager<G> implements Closeable {
return doTryRefresh; return doTryRefresh;
} }
/** Compute some state of the reference using a parameter. */
@FunctionalInterface
public interface StateCalculator<R, G, P> {
R calculate(G current, P param);
}
/**
* If you need to compute something after the refresh, you can use this method instead of {@link
* #maybeRefresh()}.
*
* @throws IOException if refreshing the resource causes an {@link IOException}
*/
public final <R, P> R maybeRefreshAndReturnState(
StateCalculator<R, G, P> refreshedStateCalculator, P param) throws IOException {
ensureOpen();
// Ensure only 1 thread does refresh at once; other threads just return immediately:
final boolean doTryRefresh = refreshLock.tryLock();
if (doTryRefresh) {
try {
doMaybeRefresh();
return refreshedStateCalculator.calculate(current, param);
} finally {
refreshLock.unlock();
}
}
return null;
}
/** /**
* You must call this (or {@link #maybeRefresh()}), periodically, if you want that {@link * You must call this (or {@link #maybeRefresh()}), periodically, if you want that {@link
* #acquire()} will return refreshed instances. * #acquire()} will return refreshed instances.

51
lucene/facet/src/java/org/apache/lucene/facet/sortedset/SSDVReaderStatesCalculator.java
View File

@ -1,51 +0,0 @@
/*
* 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.lucene.facet.sortedset;
import java.io.IOException;
import java.util.List;
import java.util.stream.Collectors;
import org.apache.lucene.facet.FacetsConfig;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.ReferenceManager;
/**
* Get reader states after a refresh. Example call: readerStates =
* searcherManager.maybeRefreshAndReturnState(new SSDVReaderStatesCalculator(), config);
*/
public class SSDVReaderStatesCalculator
implements ReferenceManager.StateCalculator<
List<SortedSetDocValuesReaderState>, IndexSearcher, FacetsConfig> {
/** No arguments needed */
public SSDVReaderStatesCalculator() {}
@Override
public List<SortedSetDocValuesReaderState> calculate(IndexSearcher current, FacetsConfig config) {
return config.getDimConfigs().keySet().stream()
.map(
field -> {
try {
return new DefaultSortedSetDocValuesReaderState(
current.getIndexReader(), field, config);
} catch (IOException e) {
throw new RuntimeException(e);
}
})
.collect(Collectors.toList());
}
}