/*
* 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.index;
import org.apache.lucene.store.Directory;
/** A {@link ConcurrentMergeScheduler} that ignores AlreadyClosedException. */
public abstract class SuppressingConcurrentMergeScheduler extends ConcurrentMergeScheduler {
@Override
protected void handleMergeException(Directory dir, Throwable exc) {
while (true) {
if (isOK(exc)) {
return;
}
exc = exc.getCause();
if (exc == null) {
super.handleMergeException(dir, exc);
}
}
}
protected abstract boolean isOK(Throwable t);
}