/*
* 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.create;
import org.elasticsearch.ElasticsearchGenerationException;
import org.elasticsearch.ElasticsearchParseException;
import org.elasticsearch.Version;
import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.action.IndicesRequest;
import org.elasticsearch.action.admin.indices.alias.Alias;
import org.elasticsearch.action.admin.indices.mapping.put.PutMappingRequest;
import org.elasticsearch.action.support.ActiveShardCount;
import org.elasticsearch.action.support.IndicesOptions;
import org.elasticsearch.action.support.master.AcknowledgedRequest;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.bytes.BytesArray;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.collect.MapBuilder;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentHelper;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.common.xcontent.XContentType;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import static org.elasticsearch.action.ValidateActions.addValidationError;
import static org.elasticsearch.common.settings.Settings.readSettingsFromStream;
import static org.elasticsearch.common.settings.Settings.writeSettingsToStream;
import static org.elasticsearch.common.settings.Settings.Builder.EMPTY_SETTINGS;
/**
* A request to create an index. Best created with {@link org.elasticsearch.client.Requests#createIndexRequest(String)}.
* <p>
* The index created can optionally be created with {@link #settings(org.elasticsearch.common.settings.Settings)}.
*
* @see org.elasticsearch.client.IndicesAdminClient#create(CreateIndexRequest)
* @see org.elasticsearch.client.Requests#createIndexRequest(String)
* @see CreateIndexResponse
*/
public class CreateIndexRequest extends AcknowledgedRequest<CreateIndexRequest> implements IndicesRequest {
private String cause = "";
private String index;
private Settings settings = EMPTY_SETTINGS;
private final Map<String, String> mappings = new HashMap<>();
private final Set<Alias> aliases = new HashSet<>();
private final Map<String, IndexMetaData.Custom> customs = new HashMap<>();
private boolean updateAllTypes = false;
private ActiveShardCount waitForActiveShards = ActiveShardCount.DEFAULT;
public CreateIndexRequest() {
}
/**
* Constructs a new request to create an index with the specified name.
*/
public CreateIndexRequest(String index) {
this(index, EMPTY_SETTINGS);
}
/**
* Constructs a new request to create an index with the specified name and settings.
*/
public CreateIndexRequest(String index, Settings settings) {
this.index = index;
this.settings = settings;
}
@Override
public ActionRequestValidationException validate() {
ActionRequestValidationException validationException = null;
if (index == null) {
validationException = addValidationError("index is missing", validationException);
}
return validationException;
}
@Override
public String[] indices() {
return new String[]{index};
}
@Override
public IndicesOptions indicesOptions() {
return IndicesOptions.strictSingleIndexNoExpandForbidClosed();
}
/**
* The index name to create.
*/
public String index() {
return index;
}
public CreateIndexRequest index(String index) {
this.index = index;
return this;
}
/**
* The settings to create the index with.
*/
public Settings settings() {
return settings;
}
/**
* The cause for this index creation.
*/
public String cause() {
return cause;
}
/**
* A simplified version of settings that takes key value pairs settings.
*/
public CreateIndexRequest settings(Object... settings) {
this.settings = Settings.builder().put(settings).build();
return this;
}
/**
* The settings to create the index with.
*/
public CreateIndexRequest settings(Settings settings) {
this.settings = settings;
return this;
}
/**
* The settings to create the index with.
*/
public CreateIndexRequest settings(Settings.Builder settings) {
this.settings = settings.build();
return this;
}
/**
* The settings to create the index with (either json or yaml format)
*/
public CreateIndexRequest settings(String source, XContentType xContentType) {
this.settings = Settings.builder().loadFromSource(source, xContentType).build();
return this;
}
/**
* Allows to set the settings using a json builder.
*/
public CreateIndexRequest settings(XContentBuilder builder) {
try {
settings(builder.string(), builder.contentType());
} catch (IOException e) {
throw new ElasticsearchGenerationException("Failed to generate json settings from builder", e);
}
return this;
}
/**
* The settings to create the index with (either json/yaml/properties format)
*/
@SuppressWarnings("unchecked")
public CreateIndexRequest settings(Map source) {
try {
XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
builder.map(source);
settings(builder.string(), XContentType.JSON);
} catch (IOException e) {
throw new ElasticsearchGenerationException("Failed to generate [" + source + "]", e);
}
return this;
}
/**
* Adds mapping that will be added when the index gets created.
*
* @param type The mapping type
* @param source The mapping source
* @param xContentType The content type of the source
*/
public CreateIndexRequest mapping(String type, String source, XContentType xContentType) {
return mapping(type, new BytesArray(source), xContentType);
}
/**
* Adds mapping that will be added when the index gets created.
*
* @param type The mapping type
* @param source The mapping source
* @param xContentType the content type of the mapping source
*/
private CreateIndexRequest mapping(String type, BytesReference source, XContentType xContentType) {
if (mappings.containsKey(type)) {
throw new IllegalStateException("mappings for type \"" + type + "\" were already defined");
}
Objects.requireNonNull(xContentType);
try {
mappings.put(type, XContentHelper.convertToJson(source, false, false, xContentType));
return this;
} catch (IOException e) {
throw new UncheckedIOException("failed to convert to json", e);
}
}
/**
* The cause for this index creation.
*/
public CreateIndexRequest cause(String cause) {
this.cause = cause;
return this;
}
/**
* Adds mapping that will be added when the index gets created.
*
* @param type The mapping type
* @param source The mapping source
*/
public CreateIndexRequest mapping(String type, XContentBuilder source) {
return mapping(type, source.bytes(), source.contentType());
}
/**
* Adds mapping that will be added when the index gets created.
*
* @param type The mapping type
* @param source The mapping source
*/
@SuppressWarnings("unchecked")
public CreateIndexRequest mapping(String type, Map source) {
if (mappings.containsKey(type)) {
throw new IllegalStateException("mappings for type \"" + type + "\" were already defined");
}
// wrap it in a type map if its not
if (source.size() != 1 || !source.containsKey(type)) {
source = MapBuilder.<String, Object>newMapBuilder().put(type, source).map();
}
try {
XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
builder.map(source);
return mapping(type, builder);
} catch (IOException e) {
throw new ElasticsearchGenerationException("Failed to generate [" + source + "]", e);
}
}
/**
* A specialized simplified mapping source method, takes the form of simple properties definition:
* ("field1", "type=string,store=true").
*/
public CreateIndexRequest mapping(String type, Object... source) {
mapping(type, PutMappingRequest.buildFromSimplifiedDef(type, source));
return this;
}
/**
* Sets the aliases that will be associated with the index when it gets created
*/
@SuppressWarnings("unchecked")
public CreateIndexRequest aliases(Map source) {
try {
XContentBuilder builder = XContentFactory.jsonBuilder();
builder.map(source);
return aliases(builder.bytes());
} catch (IOException e) {
throw new ElasticsearchGenerationException("Failed to generate [" + source + "]", e);
}
}
/**
* Sets the aliases that will be associated with the index when it gets created
*/
public CreateIndexRequest aliases(XContentBuilder source) {
return aliases(source.bytes());
}
/**
* Sets the aliases that will be associated with the index when it gets created
*/
public CreateIndexRequest aliases(String source) {
return aliases(new BytesArray(source));
}
/**
* Sets the aliases that will be associated with the index when it gets created
*/
public CreateIndexRequest aliases(BytesReference source) {
// EMPTY is safe here because we never call namedObject
try (XContentParser parser = XContentHelper.createParser(NamedXContentRegistry.EMPTY, source)) {
//move to the first alias
parser.nextToken();
while ((parser.nextToken()) != XContentParser.Token.END_OBJECT) {
alias(Alias.fromXContent(parser));
}
return this;
} catch(IOException e) {
throw new ElasticsearchParseException("Failed to parse aliases", e);
}
}
/**
* Adds an alias that will be associated with the index when it gets created
*/
public CreateIndexRequest alias(Alias alias) {
this.aliases.add(alias);
return this;
}
/**
* Sets the settings and mappings as a single source.
*/
public CreateIndexRequest source(String source, XContentType xContentType) {
return source(new BytesArray(source), xContentType);
}
/**
* Sets the settings and mappings as a single source.
*/
public CreateIndexRequest source(XContentBuilder source) {
return source(source.bytes(), source.contentType());
}
/**
* Sets the settings and mappings as a single source.
*/
public CreateIndexRequest source(byte[] source, XContentType xContentType) {
return source(source, 0, source.length, xContentType);
}
/**
* Sets the settings and mappings as a single source.
*/
public CreateIndexRequest source(byte[] source, int offset, int length, XContentType xContentType) {
return source(new BytesArray(source, offset, length), xContentType);
}
/**
* Sets the settings and mappings as a single source.
*/
public CreateIndexRequest source(BytesReference source, XContentType xContentType) {
Objects.requireNonNull(xContentType);
source(XContentHelper.convertToMap(source, false, xContentType).v2());
return this;
}
/**
* Sets the settings and mappings as a single source.
*/
@SuppressWarnings("unchecked")
public CreateIndexRequest source(Map<String, ?> source) {
boolean found = false;
for (Map.Entry<String, ?> entry : source.entrySet()) {
String name = entry.getKey();
if (name.equals("settings")) {
found = true;
settings((Map<String, Object>) entry.getValue());
} else if (name.equals("mappings")) {
found = true;
Map<String, Object> mappings = (Map<String, Object>) entry.getValue();
for (Map.Entry<String, Object> entry1 : mappings.entrySet()) {
mapping(entry1.getKey(), (Map<String, Object>) entry1.getValue());
}
} else if (name.equals("aliases")) {
found = true;
aliases((Map<String, Object>) entry.getValue());
} else {
// maybe custom?
IndexMetaData.Custom proto = IndexMetaData.lookupPrototype(name);
if (proto != null) {
found = true;
try {
customs.put(name, proto.fromMap((Map<String, Object>) entry.getValue()));
} catch (IOException e) {
throw new ElasticsearchParseException("failed to parse custom metadata for [{}]", name);
}
}
}
}
if (!found) {
// the top level are settings, use them
settings(source);
}
return this;
}
public Map<String, String> mappings() {
return this.mappings;
}
public Set<Alias> aliases() {
return this.aliases;
}
/**
* Adds custom metadata to the index to be created.
*/
public CreateIndexRequest custom(IndexMetaData.Custom custom) {
customs.put(custom.type(), custom);
return this;
}
public Map<String, IndexMetaData.Custom> customs() {
return this.customs;
}
/** True if all fields that span multiple types should be updated, false otherwise */
public boolean updateAllTypes() {
return updateAllTypes;
}
/** See {@link #updateAllTypes()} */
public CreateIndexRequest updateAllTypes(boolean updateAllTypes) {
this.updateAllTypes = updateAllTypes;
return this;
}
public ActiveShardCount waitForActiveShards() {
return waitForActiveShards;
}
/**
* Sets the number of shard copies that should be active for index creation to return.
* Defaults to {@link ActiveShardCount#DEFAULT}, which will wait for one shard copy
* (the primary) to become active. Set this value to {@link ActiveShardCount#ALL} to
* wait for all shards (primary and all replicas) to be active before returning.
* Otherwise, use {@link ActiveShardCount#from(int)} to set this value to any
* non-negative integer, up to the number of copies per shard (number of replicas + 1),
* to wait for the desired amount of shard copies to become active before returning.
* Index creation will only wait up until the timeout value for the number of shard copies
* to be active before returning. Check {@link CreateIndexResponse#isShardsAcked()} to
* determine if the requisite shard copies were all started before returning or timing out.
*
* @param waitForActiveShards number of active shard copies to wait on
*/
public CreateIndexRequest waitForActiveShards(ActiveShardCount waitForActiveShards) {
this.waitForActiveShards = waitForActiveShards;
return this;
}
/**
* A shortcut for {@link #waitForActiveShards(ActiveShardCount)} where the numerical
* shard count is passed in, instead of having to first call {@link ActiveShardCount#from(int)}
* to get the ActiveShardCount.
*/
public CreateIndexRequest waitForActiveShards(final int waitForActiveShards) {
return waitForActiveShards(ActiveShardCount.from(waitForActiveShards));
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
cause = in.readString();
index = in.readString();
settings = readSettingsFromStream(in);
readTimeout(in);
int size = in.readVInt();
for (int i = 0; i < size; i++) {
final String type = in.readString();
String source = in.readString();
if (in.getVersion().before(Version.V_6_0_0_alpha1_UNRELEASED)) { // TODO change to 5.3.0 after backport
// we do not know the content type that comes from earlier versions so we autodetect and convert
source = XContentHelper.convertToJson(new BytesArray(source), false, false, XContentFactory.xContentType(source));
}
mappings.put(type, source);
}
int customSize = in.readVInt();
for (int i = 0; i < customSize; i++) {
String type = in.readString();
IndexMetaData.Custom customIndexMetaData = IndexMetaData.lookupPrototypeSafe(type).readFrom(in);
customs.put(type, customIndexMetaData);
}
int aliasesSize = in.readVInt();
for (int i = 0; i < aliasesSize; i++) {
aliases.add(Alias.read(in));
}
updateAllTypes = in.readBoolean();
waitForActiveShards = ActiveShardCount.readFrom(in);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeString(cause);
out.writeString(index);
writeSettingsToStream(settings, out);
writeTimeout(out);
out.writeVInt(mappings.size());
for (Map.Entry<String, String> entry : mappings.entrySet()) {
out.writeString(entry.getKey());
out.writeString(entry.getValue());
}
out.writeVInt(customs.size());
for (Map.Entry<String, IndexMetaData.Custom> entry : customs.entrySet()) {
out.writeString(entry.getKey());
entry.getValue().writeTo(out);
}
out.writeVInt(aliases.size());
for (Alias alias : aliases) {
alias.writeTo(out);
}
out.writeBoolean(updateAllTypes);
waitForActiveShards.writeTo(out);
}
}