/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.client;
import io.crate.action.sql.SQLBulkRequest;
import io.crate.action.sql.SQLBulkResponse;
import io.crate.action.sql.SQLRequest;
import io.crate.action.sql.SQLResponse;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.Version;
import org.elasticsearch.action.ActionFuture;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.cluster.ClusterNameModule;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.compress.CompressorFactory;
import org.elasticsearch.common.inject.Injector;
import org.elasticsearch.common.inject.ModulesBuilder;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsModule;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.elasticsearch.env.Environment;
import org.elasticsearch.node.internal.InternalSettingsPreparer;
import org.elasticsearch.transport.TransportModule;
import org.elasticsearch.transport.TransportService;
import java.util.UUID;
import static org.elasticsearch.common.settings.ImmutableSettings.settingsBuilder;
public class CrateClient {
private final Settings settings;
private final InternalCrateClient internalClient;
public CrateClient(Settings pSettings, boolean loadConfigSettings) throws
ElasticsearchException {
Settings settings = settingsBuilder().put(pSettings)
.put("network.server", false)
.put("node.client", true)
.put("client.transport.ignore_cluster_name", true)
.put("node.name", "crate-client-"+ UUID.randomUUID().toString())
// Client uses only the SAME or GENERIC thread-pool (see TransportNodeActionProxy)
// so the other thread-pools can be limited to 1 thread to not waste resources
.put("threadpool.search.size", 1)
.put("threadpool.index.size", 1)
.put("threadpool.bulk.size", 1)
.put("threadpool.get.size", 1)
.put("threadpool.percolate.size", 1)
.build();
Tuple<Settings, Environment> tuple = InternalSettingsPreparer.prepareSettings(
settings, loadConfigSettings);
this.settings = tuple.v1();
Version version = Version.CURRENT;
CompressorFactory.configure(this.settings);
ModulesBuilder modules = new ModulesBuilder();
modules.add(new CrateClientModule());
modules.add(new Version.Module(version));
modules.add(new SettingsModule(this.settings));
modules.add(new ClusterNameModule(this.settings));
modules.add(new TransportModule(this.settings));
Injector injector = modules.createInjector();
injector.getInstance(TransportService.class).start();
internalClient = injector.getInstance(InternalCrateClient.class);
}
public CrateClient() {
this(ImmutableSettings.Builder.EMPTY_SETTINGS, true);
}
public CrateClient(String... servers) {
this();
for (String server : servers) {
String[] parts = server.split(":");
String host = parts[0];
Integer port = 4300;
if (parts.length == 2) {
port = Integer.parseInt(parts[1]);
}
internalClient.addTransportAddress(new InetSocketTransportAddress(host, port));
}
}
public ActionFuture<SQLResponse> sql(String stmt) {
return sql(new SQLRequest(stmt));
}
public ActionFuture<SQLResponse> sql(SQLRequest request) {
return internalClient.sql(request);
}
public void sql(String stmt, ActionListener<SQLResponse> listener) {
sql(new SQLRequest(stmt), listener);
}
public void sql(SQLRequest request, ActionListener<SQLResponse> listener) {
internalClient.sql(request, listener);
}
public ActionFuture<SQLBulkResponse> bulkSql(SQLBulkRequest bulkRequest) {
return internalClient.bulkSql(bulkRequest);
}
public void bulkSql(SQLBulkRequest bulkRequest, ActionListener<SQLBulkResponse> listener) {
internalClient.bulkSql(bulkRequest, listener);
}
public Settings settings() {
return settings;
}
public void close() {
internalClient.close();
}
}