/*
* Licensed to Luca Cavanna (the "Author") under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.shell.client.builders.indices;
import org.elasticsearch.action.ActionFuture;
import org.elasticsearch.action.admin.cluster.state.ClusterStateRequest;
import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.metadata.MappingMetaData;
import org.elasticsearch.cluster.metadata.MetaData;
import org.elasticsearch.common.collect.ImmutableSet;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.shell.client.builders.AbstractRequestBuilderJsonOutput;
import org.elasticsearch.shell.json.JsonToString;
import org.elasticsearch.shell.json.StringToJson;
import java.io.IOException;
import java.util.Set;
/**
* @author Luca Cavanna
*
* Request builder for get mapping API
*/
@SuppressWarnings("unused")
public class GetMappingRequestBuilder<JsonInput, JsonOutput> extends AbstractRequestBuilderJsonOutput<ClusterStateRequest, ClusterStateResponse, JsonInput, JsonOutput> {
private String[] types;
public GetMappingRequestBuilder(Client client, JsonToString<JsonInput> jsonToString, StringToJson<JsonOutput> stringToJson) {
super(client, new ClusterStateRequest(), jsonToString, stringToJson);
this.request.filterRoutingTable(true).filterNodes(true).listenerThreaded(false);
}
public GetMappingRequestBuilder<JsonInput, JsonOutput> indices(String... indices) {
this.request.filteredIndices(indices);
return this;
}
public GetMappingRequestBuilder<JsonInput, JsonOutput> types(String... types) {
this.types = types;
return this;
}
@Override
protected ActionFuture<ClusterStateResponse> doExecute(ClusterStateRequest request) {
return client.admin().cluster().state(request);
}
@Override
protected XContentBuilder toXContent(ClusterStateRequest request, ClusterStateResponse response, XContentBuilder builder) throws IOException {
MetaData metaData = response.getState().metaData();
builder.startObject();
if (metaData.indices().isEmpty()) {
return builder.endObject();
}
Set<String> typesSet;
if (types != null) {
typesSet = ImmutableSet.copyOf(types);
} else {
typesSet = ImmutableSet.of();
}
if (request.filteredIndices() != null && request.filteredIndices().length == 1 && typesSet.size() == 1) {
boolean foundType = false;
IndexMetaData indexMetaData = metaData.iterator().next();
for (MappingMetaData mappingMd : indexMetaData.mappings().values()) {
if (!typesSet.isEmpty() && !typesSet.contains(mappingMd.type())) {
// filter this type out...
continue;
}
foundType = true;
builder.field(mappingMd.type());
builder.map(mappingMd.sourceAsMap());
}
if (!foundType) {
return builder.endObject();
}
} else {
for (IndexMetaData indexMetaData : metaData) {
builder.startObject(indexMetaData.index(), XContentBuilder.FieldCaseConversion.NONE);
for (MappingMetaData mappingMd : indexMetaData.mappings().values()) {
if (!typesSet.isEmpty() && !typesSet.contains(mappingMd.type())) {
// filter this type out...
continue;
}
builder.field(mappingMd.type());
builder.map(mappingMd.sourceAsMap());
}
builder.endObject();
}
}
return builder.endObject();
}
}