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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.indices.breaker;

import org.elasticsearch.common.inject.AbstractModule;
import org.elasticsearch.common.settings.Settings;

public class CircuitBreakerModule extends AbstractModule {

    public static final String TYPE_KEY = "indices.breaker.type";

    private final Settings settings;

    public CircuitBreakerModule(Settings settings) {
        this.settings = settings;
    }

    @Override
    protected void configure() {
        String type = settings.get(TYPE_KEY);
        Class impl;
        if (type == null || type.equals("hierarchy")) {
            impl = HierarchyCircuitBreakerService.class;
        } else if (type.equals("none")) {
            impl = NoneCircuitBreakerService.class;
        } else {
            throw new IllegalArgumentException("Unknown circuit breaker type [" + type + "]");
        }
        bind(CircuitBreakerService.class).to(impl).asEagerSingleton();
    }
}