NodeEnvironmentModule.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.env;

import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.inject.AbstractModule;

/**
 *
 */
public class NodeEnvironmentModule extends AbstractModule {

    private final NodeEnvironment nodeEnvironment;

    public NodeEnvironmentModule() {
        this(null);
    }

    public NodeEnvironmentModule(@Nullable NodeEnvironment nodeEnvironment) {
        this.nodeEnvironment = nodeEnvironment;
    }

    @Override
    protected void configure() {
        if (nodeEnvironment != null) {
            bind(NodeEnvironment.class).toInstance(nodeEnvironment);
        } else {
            bind(NodeEnvironment.class).asEagerSingleton();
        }
    }
}