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/*
* Licensed to Elasticsearch 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.elasticsearch.index.cache;
import org.elasticsearch.common.inject.AbstractModule;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.ExtensionPoint;
import org.elasticsearch.index.cache.bitset.BitsetFilterCache;
import org.elasticsearch.index.cache.query.QueryCache;
import org.elasticsearch.index.cache.query.index.IndexQueryCache;
import org.elasticsearch.index.cache.query.none.NoneQueryCache;
public class IndexCacheModule extends AbstractModule {
public static final String INDEX_QUERY_CACHE = "index";
public static final String NONE_QUERY_CACHE = "none";
public static final String QUERY_CACHE_TYPE = "index.queries.cache.type";
// for test purposes only
public static final String QUERY_CACHE_EVERYTHING = "index.queries.cache.everything";
public static final String QUERY_CACHE_TERM_QUERIES = "index.queries.cache.term_queries";
private final Settings indexSettings;
private final ExtensionPoint.SelectedType queryCaches;
public IndexCacheModule(Settings settings) {
this.indexSettings = settings;
this.queryCaches = new ExtensionPoint.SelectedType<>("query_cache", QueryCache.class);
registerQueryCache(INDEX_QUERY_CACHE, IndexQueryCache.class);
registerQueryCache(NONE_QUERY_CACHE, NoneQueryCache.class);
}
public void registerQueryCache(String name, Class clazz) {
queryCaches.registerExtension(name, clazz);
}
@Override
protected void configure() {
queryCaches.bindType(binder(), indexSettings, QUERY_CACHE_TYPE, INDEX_QUERY_CACHE);
bind(BitsetFilterCache.class).asEagerSingleton();
bind(IndexCache.class).asEagerSingleton();
}
}