Example usage for org.apache.lucene.search UsageTrackingQueryCachingPolicy UsageTrackingQueryCachingPolicy

Introduction

In this page you can find the example usage for org.apache.lucene.search UsageTrackingQueryCachingPolicy UsageTrackingQueryCachingPolicy.

Prototype

public UsageTrackingQueryCachingPolicy() 

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Document

Create a new instance with an history size of 256.

Usage

From source file:org.elasticsearch.index.cache.filter.FilterCacheModule.java

License:Apache License

@Override
protected void configure() {
    bind(FilterCache.class).to(settings.getAsClass(FilterCacheSettings.FILTER_CACHE_TYPE,
            WeightedFilterCache.class, "org.elasticsearch.index.cache.filter.", "FilterCache"))
            .in(Scopes.SINGLETON);/*  w  ww.j av  a2 s .c  o  m*/
    // the filter cache is a node-level thing, however we want the most popular filters
    // to be computed on a per-index basis, that is why we don't use the SINGLETON
    // scope below
    if (settings.getAsBoolean(FilterCacheSettings.FILTER_CACHE_EVERYTHING, false)) {
        bind(QueryCachingPolicy.class).toInstance(QueryCachingPolicy.ALWAYS_CACHE);
    } else {
        bind(QueryCachingPolicy.class).toInstance(new UsageTrackingQueryCachingPolicy());
    }
}

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