| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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.apache.solr.handler.component; |
| |
| import java.util.Collections; |
| import java.util.Locale; |
| |
| import com.google.common.collect.ImmutableMap; |
| import org.apache.solr.common.SolrException; |
| import org.apache.solr.core.PluginInfo; |
| import org.apache.solr.core.SolrResourceLoader; |
| import org.apache.solr.security.HttpClientBuilderPlugin; |
| import org.apache.solr.util.plugin.PluginInfoInitialized; |
| |
| public abstract class ShardHandlerFactory { |
| |
| public abstract ShardHandler getShardHandler(); |
| |
| public abstract void close(); |
| |
| public void setSecurityBuilder(HttpClientBuilderPlugin clientBuilderPlugin){}; |
| |
| /** |
| * Create a new ShardHandlerFactory instance |
| * @param info a PluginInfo object defining which type to create. If null, |
| * the default {@link HttpShardHandlerFactory} will be used |
| * @param loader a SolrResourceLoader used to find the ShardHandlerFactory classes |
| * @return a new, initialized ShardHandlerFactory instance |
| */ |
| public static ShardHandlerFactory newInstance(PluginInfo info, SolrResourceLoader loader) { |
| if (info == null) |
| info = DEFAULT_SHARDHANDLER_INFO; |
| |
| try { |
| ShardHandlerFactory shf = loader.findClass(info.className, ShardHandlerFactory.class).newInstance(); |
| if (PluginInfoInitialized.class.isAssignableFrom(shf.getClass())) |
| PluginInfoInitialized.class.cast(shf).init(info); |
| return shf; |
| } |
| catch (Exception e) { |
| throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, |
| String.format(Locale.ROOT, "Error instantiating shardHandlerFactory class [%s]: %s", |
| info.className, e.getMessage()), e); |
| } |
| |
| } |
| |
| public static final PluginInfo DEFAULT_SHARDHANDLER_INFO = |
| new PluginInfo("shardHandlerFactory", ImmutableMap.of("class", HttpShardHandlerFactory.class.getName()), |
| null, Collections.<PluginInfo>emptyList()); |
| } |