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MergeIndexesAPI.java
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MergeIndexesAPI.java
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/*
* 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.admin.api;
import org.apache.commons.collections4.CollectionUtils;
import org.apache.solr.api.Command;
import org.apache.solr.api.EndPoint;
import org.apache.solr.api.PayloadObj;
import org.apache.solr.common.annotation.JsonProperty;
import org.apache.solr.common.params.CoreAdminParams;
import org.apache.solr.common.params.UpdateParams;
import org.apache.solr.common.util.ReflectMapWriter;
import org.apache.solr.handler.admin.CoreAdminHandler;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import static org.apache.solr.client.solrj.SolrRequest.METHOD.POST;
import static org.apache.solr.handler.ClusterAPI.wrapParams;
import static org.apache.solr.security.PermissionNameProvider.Name.CORE_EDIT_PERM;
/**
* V2 API for merging one or more Solr cores into the target core.
*
* The new API (POST /v2/cores/coreName {'merge-indexes': {...}}) is equivalent to the v1
* /admin/cores?action=mergeindexes command.
*/
@EndPoint(
path = {"/cores/{core}"},
method = POST,
permission = CORE_EDIT_PERM)
public class MergeIndexesAPI {
private static final String V2_MERGE_INDEXES_CORE_CMD = "merge-indexes";
private final CoreAdminHandler coreHandler;
public MergeIndexesAPI(CoreAdminHandler coreHandler) {
this.coreHandler = coreHandler;
}
@Command(name = V2_MERGE_INDEXES_CORE_CMD)
public void mergeIndexesIntoCore(PayloadObj<MergeIndexesPayload> obj) throws Exception {
final MergeIndexesPayload v2Body = obj.get();
final Map<String, Object> v1Params = v2Body.toMap(new HashMap<>());
v1Params.put(CoreAdminParams.ACTION, CoreAdminParams.CoreAdminAction.MERGEINDEXES.name().toLowerCase(Locale.ROOT));
v1Params.put(CoreAdminParams.CORE, obj.getRequest().getPathTemplateValues().get(CoreAdminParams.CORE));
if (! CollectionUtils.isEmpty(v2Body.indexDir)) {
v1Params.put("indexDir", v2Body.indexDir.toArray(new String[v2Body.indexDir.size()]));
}
if (! CollectionUtils.isEmpty(v2Body.srcCore)) {
v1Params.put("srcCore", v2Body.srcCore.toArray(new String[v2Body.srcCore.size()]));
}
// V1 API uses 'update.chain' instead of 'updateChain'.
if (v2Body.updateChain != null) {
v1Params.put(UpdateParams.UPDATE_CHAIN, v1Params.remove("updateChain"));
}
coreHandler.handleRequestBody(wrapParams(obj.getRequest(), v1Params), obj.getResponse());
}
public static class MergeIndexesPayload implements ReflectMapWriter {
@JsonProperty
public List<String> indexDir;
@JsonProperty
public List<String> srcCore;
@JsonProperty
public String updateChain;
@JsonProperty
public String async;
}
}