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* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.action.admin.indices.mapping.put;
import com.carrotsearch.hppc.ObjectHashSet;
import org.elasticsearch.ElasticsearchGenerationException;
import org.elasticsearch.Version;
import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.action.IndicesRequest;
import org.elasticsearch.action.support.IndicesOptions;
import org.elasticsearch.action.support.master.AcknowledgedRequest;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.bytes.BytesArray;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentHelper;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.index.Index;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.util.Arrays;
import java.util.Map;
import java.util.Objects;
import static org.elasticsearch.action.ValidateActions.addValidationError;
/**
* Puts mapping definition registered under a specific type into one or more indices. Best created with
* {@link org.elasticsearch.client.Requests#putMappingRequest(String...)}.
* <p>
* If the mappings already exists, the new mappings will be merged with the new one. If there are elements
* that can't be merged are detected, the request will be rejected.
*
* @see org.elasticsearch.client.Requests#putMappingRequest(String...)
* @see org.elasticsearch.client.IndicesAdminClient#putMapping(PutMappingRequest)
* @see PutMappingResponse
*/
public class PutMappingRequest extends AcknowledgedRequest<PutMappingRequest> implements IndicesRequest.Replaceable {
private static ObjectHashSet<String> RESERVED_FIELDS = ObjectHashSet.from(
"_uid", "_id", "_type", "_source", "_all", "_analyzer", "_parent", "_routing", "_index",
"_size", "_timestamp", "_ttl", "_field_names"
);
private String[] indices;
private IndicesOptions indicesOptions = IndicesOptions.fromOptions(false, false, true, true);
private String type;
private String source;
private boolean updateAllTypes = false;
private Index concreteIndex;
public PutMappingRequest() {
}
/**
* Constructs a new put mapping request against one or more indices. If nothing is set then
* it will be executed against all indices.
*/
public PutMappingRequest(String... indices) {
this.indices = indices;
}
@Override
public ActionRequestValidationException validate() {
ActionRequestValidationException validationException = null;
if (type == null) {
validationException = addValidationError("mapping type is missing", validationException);
}else if (type.isEmpty()) {
validationException = addValidationError("mapping type is empty", validationException);
}
if (source == null) {
validationException = addValidationError("mapping source is missing", validationException);
} else if (source.isEmpty()) {
validationException = addValidationError("mapping source is empty", validationException);
}
if (concreteIndex != null && (indices != null && indices.length > 0)) {
validationException = addValidationError("either concrete index or unresolved indices can be set, concrete index: ["
+ concreteIndex + "] and indices: " + Arrays.asList(indices) , validationException);
}
return validationException;
}
/**
* Sets the indices this put mapping operation will execute on.
*/
@Override
public PutMappingRequest indices(String... indices) {
this.indices = indices;
return this;
}
/**
* Sets a concrete index for this put mapping request.
*/
public PutMappingRequest setConcreteIndex(Index index) {
Objects.requireNonNull(indices, "index must not be null");
this.concreteIndex = index;
return this;
}
/**
* Returns a concrete index for this mapping or <code>null</code> if no concrete index is defined
*/
public Index getConcreteIndex() {
return concreteIndex;
}
/**
* The indices the mappings will be put.
*/
@Override
public String[] indices() {
return indices;
}
@Override
public IndicesOptions indicesOptions() {
return indicesOptions;
}
public PutMappingRequest indicesOptions(IndicesOptions indicesOptions) {
this.indicesOptions = indicesOptions;
return this;
}
/**
* The mapping type.
*/
public String type() {
return type;
}
/**
* The type of the mappings.
*/
public PutMappingRequest type(String type) {
this.type = type;
return this;
}
/**
* The mapping source definition.
*/
public String source() {
return source;
}
/**
* A specialized simplified mapping source method, takes the form of simple properties definition:
* ("field1", "type=string,store=true").
*
* Also supports metadata mapping fields such as `_all` and `_parent` as property definition, these metadata
* mapping fields will automatically be put on the top level mapping object.
*/
public PutMappingRequest source(Object... source) {
return source(buildFromSimplifiedDef(type, source));
}
/**
* @param type the mapping type
* @param source consisting of field/properties pairs (e.g. "field1",
* "type=string,store=true"). If the number of arguments is not
* divisible by two an {@link IllegalArgumentException} is thrown
* @return the mappings definition
*/
public static XContentBuilder buildFromSimplifiedDef(String type, Object... source) {
if (source.length % 2 != 0) {
throw new IllegalArgumentException("mapping source must be pairs of fieldnames and properties definition.");
}
try {
XContentBuilder builder = XContentFactory.jsonBuilder();
builder.startObject();
if (type != null) {
builder.startObject(type);
}
for (int i = 0; i < source.length; i++) {
String fieldName = source[i++].toString();
if (RESERVED_FIELDS.contains(fieldName)) {
builder.startObject(fieldName);
String[] s1 = Strings.splitStringByCommaToArray(source[i].toString());
for (String s : s1) {
String[] s2 = Strings.split(s, "=");
if (s2.length != 2) {
throw new IllegalArgumentException("malformed " + s);
}
builder.field(s2[0], s2[1]);
}
builder.endObject();
}
}
builder.startObject("properties");
for (int i = 0; i < source.length; i++) {
String fieldName = source[i++].toString();
if (RESERVED_FIELDS.contains(fieldName)) {
continue;
}
builder.startObject(fieldName);
String[] s1 = Strings.splitStringByCommaToArray(source[i].toString());
for (String s : s1) {
String[] s2 = Strings.split(s, "=");
if (s2.length != 2) {
throw new IllegalArgumentException("malformed " + s);
}
builder.field(s2[0], s2[1]);
}
builder.endObject();
}
builder.endObject();
if (type != null) {
builder.endObject();
}
builder.endObject();
return builder;
} catch (Exception e) {
throw new IllegalArgumentException("failed to generate simplified mapping definition", e);
}
}
/**
* The mapping source definition.
*/
public PutMappingRequest source(XContentBuilder mappingBuilder) {
try {
return source(mappingBuilder.string(), mappingBuilder.contentType());
} catch (IOException e) {
throw new IllegalArgumentException("Failed to build json for mapping request", e);
}
}
/**
* The mapping source definition.
*/
@SuppressWarnings("unchecked")
public PutMappingRequest source(Map mappingSource) {
try {
XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
builder.map(mappingSource);
return source(builder.string(), XContentType.JSON);
} catch (IOException e) {
throw new ElasticsearchGenerationException("Failed to generate [" + mappingSource + "]", e);
}
}
/**
* The mapping source definition.
*/
public PutMappingRequest source(String mappingSource, XContentType xContentType) {
return source(new BytesArray(mappingSource), xContentType);
}
/**
* The mapping source definition.
*/
public PutMappingRequest source(BytesReference mappingSource, XContentType xContentType) {
Objects.requireNonNull(xContentType);
try {
this.source = XContentHelper.convertToJson(mappingSource, false, false, xContentType);
return this;
} catch (IOException e) {
throw new UncheckedIOException("failed to convert source to json", e);
}
}
/** True if all fields that span multiple types should be updated, false otherwise */
public boolean updateAllTypes() {
return updateAllTypes;
}
/** See {@link #updateAllTypes()} */
public PutMappingRequest updateAllTypes(boolean updateAllTypes) {
this.updateAllTypes = updateAllTypes;
return this;
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
indices = in.readStringArray();
indicesOptions = IndicesOptions.readIndicesOptions(in);
type = in.readOptionalString();
source = in.readString();
if (in.getVersion().before(Version.V_6_0_0_alpha1_UNRELEASED)) { // TODO change to V_5_3 once backported
// we do not know the format from earlier versions so convert if necessary
source = XContentHelper.convertToJson(new BytesArray(source), false, false, XContentFactory.xContentType(source));
}
updateAllTypes = in.readBoolean();
readTimeout(in);
concreteIndex = in.readOptionalWriteable(Index::new);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeStringArrayNullable(indices);
indicesOptions.writeIndicesOptions(out);
out.writeOptionalString(type);
out.writeString(source);
out.writeBoolean(updateAllTypes);
writeTimeout(out);
out.writeOptionalWriteable(concreteIndex);
}
}