/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.similarity;
import org.elasticsearch.common.inject.AbstractModule;
import org.elasticsearch.common.inject.Scopes;
import org.elasticsearch.common.inject.assistedinject.FactoryProvider;
import org.elasticsearch.common.inject.multibindings.MapBinder;
import org.elasticsearch.common.settings.Settings;
import java.util.Map;
/**
* @author kimchy (Shay Banon)
*/
public class SimilarityModule extends AbstractModule {
private final Settings settings;
public SimilarityModule(Settings settings) {
this.settings = settings;
}
@Override protected void configure() {
MapBinder<String, SimilarityProviderFactory> similarityBinder
= MapBinder.newMapBinder(binder(), String.class, SimilarityProviderFactory.class);
Map<String, Settings> similarityProvidersSettings = settings.getGroups("index.similarity");
for (Map.Entry<String, Settings> entry : similarityProvidersSettings.entrySet()) {
String name = entry.getKey();
Settings settings = entry.getValue();
Class<? extends SimilarityProvider> type = settings.getAsClass("type", null, "org.elasticsearch.index.similarity.", "SimilarityProvider");
if (type == null) {
throw new IllegalArgumentException("Similarity [" + name + "] must have a type associated with it");
}
similarityBinder.addBinding(name).toProvider(FactoryProvider.newFactory(SimilarityProviderFactory.class, type)).in(Scopes.SINGLETON);
}
bind(SimilarityService.class).in(Scopes.SINGLETON);
}
}