ShardsAllocatorModule.java

/*
 * 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.elasticsearch.cluster.routing.allocation.allocator;

import org.elasticsearch.common.inject.AbstractModule;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.gateway.none.NoneGatewayAllocator;

/**
 */
public class ShardsAllocatorModule extends AbstractModule {

    private Settings settings;

    private Class<? extends ShardsAllocator> shardsAllocator;

    private Class<? extends GatewayAllocator> gatewayAllocator = NoneGatewayAllocator.class;

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

    public void setGatewayAllocator(Class<? extends GatewayAllocator> gatewayAllocator) {
        this.gatewayAllocator = gatewayAllocator;
    }

    public void setShardsAllocator(Class<? extends ShardsAllocator> shardsAllocator) {
        this.shardsAllocator = shardsAllocator;
    }

    @Override
    protected void configure() {
        bind(GatewayAllocator.class).to(gatewayAllocator).asEagerSingleton();
        bind(ShardsAllocator.class).to(shardsAllocator == null ? EvenShardsCountAllocator.class : shardsAllocator).asEagerSingleton();
    }
}