ReplicatedSolrClientFactory.java

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.portal.search.solr.internal.connection;

import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.util.ArrayUtil;
import com.liferay.portal.search.solr.configuration.SolrConfiguration;
import com.liferay.portal.search.solr.connection.SolrClientFactory;
import com.liferay.portal.search.solr.http.HttpClientFactory;

import org.apache.http.client.HttpClient;
import org.apache.solr.client.solrj.SolrClient;
import org.apache.solr.client.solrj.impl.LBHttpSolrClient;

import org.osgi.service.component.annotations.Component;

/**
 * @author Michael C. Han
 */
@Component(
	immediate = true, property = {"type=REPLICATED"},
	service = SolrClientFactory.class
)
public class ReplicatedSolrClientFactory implements SolrClientFactory {

	@Override
	public SolrClient getSolrClient(
			SolrConfiguration solrConfiguration,
			HttpClientFactory httpClientFactory)
		throws Exception {

		String[] readURLs = solrConfiguration.readURL();
		String[] writeURLs = solrConfiguration.writeURL();

		if (ArrayUtil.isEmpty(writeURLs)) {
			throw new IllegalArgumentException(
				"Must configure at least one write URL");
		}
		else if (ArrayUtil.isEmpty(readURLs)) {
			if (_log.isInfoEnabled()) {
				_log.info("No read URLs configured, using write URLs for read");
			}

			readURLs = writeURLs;
		}

		HttpClient readerHttpClient = httpClientFactory.createInstance();

		LBHttpSolrClient readerLBHttpSolrClient = new LBHttpSolrClient(
			readerHttpClient, readURLs);

		HttpClient writerHttpClient = httpClientFactory.createInstance();

		LBHttpSolrClient writerLBHttpSolrClient = new LBHttpSolrClient(
			writerHttpClient, writeURLs);

		ReadWriteSolrClient readWriteSolrClient = new ReadWriteSolrClient(
			readerLBHttpSolrClient, writerLBHttpSolrClient);

		return readWriteSolrClient;
	}

	private static final Log _log = LogFactoryUtil.getLog(
		ReplicatedSolrClientFactory.class);

}