/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch 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.store;
import org.apache.lucene.index.TrackingMergeScheduler;
import org.elasticsearch.common.RateLimiter;
import java.io.File;
import java.io.IOException;
/**
*/
public class XSimpleFSDirectory extends SimpleFSDirectory {
private final StoreRateLimiting.Provider rateLimitingProvider;
private final StoreRateLimiting.Listener rateListener;
public XSimpleFSDirectory(File path, LockFactory lockFactory, StoreRateLimiting.Provider rateLimitingProvider, StoreRateLimiting.Listener rateListener) throws IOException {
super(path, lockFactory);
this.rateLimitingProvider = rateLimitingProvider;
this.rateListener = rateListener;
}
@Override
public IndexOutput createOutput(String name) throws IOException {
StoreRateLimiting rateLimiting = rateLimitingProvider.rateLimiting();
StoreRateLimiting.Type type = rateLimiting.getType();
RateLimiter limiter = rateLimiting.getRateLimiter();
if (type == StoreRateLimiting.Type.NONE || limiter == null) {
return super.createOutput(name);
}
if (TrackingMergeScheduler.getCurrentMerge() != null) {
// we are mering, and type is either MERGE or ALL, rate limit...
ensureOpen();
ensureCanWrite(name);
return new XFSIndexOutput(this, name, limiter, rateListener);
}
if (type == StoreRateLimiting.Type.ALL) {
ensureOpen();
ensureCanWrite(name);
return new XFSIndexOutput(this, name, limiter, rateListener);
}
// we shouldn't really get here...
return super.createOutput(name);
}
}