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/*
* Licensed to ElasticSearch and Shay Banon 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.alias;
import com.google.common.collect.Lists;
import org.elasticsearch.ElasticSearchGenerationException;
import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.action.support.master.MasterNodeOperationRequest;
import org.elasticsearch.cluster.metadata.AliasAction;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.xcontent.ToXContent;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.index.query.FilterBuilder;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import static org.elasticsearch.action.ValidateActions.addValidationError;
import static org.elasticsearch.cluster.metadata.AliasAction.readAliasAction;
import static org.elasticsearch.common.unit.TimeValue.readTimeValue;
/**
* A request to add/remove aliases for one or more indices.
*/
public class IndicesAliasesRequest extends MasterNodeOperationRequest {
private List aliasActions = Lists.newArrayList();
private TimeValue timeout = TimeValue.timeValueSeconds(10);
public IndicesAliasesRequest() {
}
/**
* Adds an alias to the index.
*
* @param index The index
* @param alias The alias
*/
public IndicesAliasesRequest addAlias(String index, String alias) {
aliasActions.add(new AliasAction(AliasAction.Type.ADD, index, alias));
return this;
}
/**
* Adds an alias to the index.
*
* @param index The index
* @param alias The alias
* @param filter The filter
*/
public IndicesAliasesRequest addAlias(String index, String alias, String filter) {
aliasActions.add(new AliasAction(AliasAction.Type.ADD, index, alias, filter));
return this;
}
/**
* Adds an alias to the index.
*
* @param index The index
* @param alias The alias
* @param filter The filter
*/
public IndicesAliasesRequest addAlias(String index, String alias, Map filter) {
if (filter == null || filter.isEmpty()) {
aliasActions.add(new AliasAction(AliasAction.Type.ADD, index, alias));
return this;
}
try {
XContentBuilder builder = XContentFactory.contentBuilder(XContentType.JSON);
builder.map(filter);
aliasActions.add(new AliasAction(AliasAction.Type.ADD, index, alias, builder.string()));
return this;
} catch (IOException e) {
throw new ElasticSearchGenerationException("Failed to generate [" + filter + "]", e);
}
}
/**
* Adds an alias to the index.
*
* @param index The index
* @param alias The alias
* @param filterBuilder The filter
*/
public IndicesAliasesRequest addAlias(String index, String alias, FilterBuilder filterBuilder) {
if (filterBuilder == null) {
aliasActions.add(new AliasAction(AliasAction.Type.ADD, index, alias));
return this;
}
try {
XContentBuilder builder = XContentFactory.jsonBuilder();
filterBuilder.toXContent(builder, ToXContent.EMPTY_PARAMS);
builder.close();
return addAlias(index, alias, builder.string());
} catch (IOException e) {
throw new ElasticSearchGenerationException("Failed to build json for alias request", e);
}
}
/**
* Removes an alias to the index.
*
* @param index The index
* @param alias The alias
*/
public IndicesAliasesRequest removeAlias(String index, String alias) {
aliasActions.add(new AliasAction(AliasAction.Type.REMOVE, index, alias));
return this;
}
public IndicesAliasesRequest addAliasAction(AliasAction action) {
aliasActions.add(action);
return this;
}
List aliasActions() {
return this.aliasActions;
}
/**
* Timeout to wait till the put mapping gets acknowledged of all current cluster nodes. Defaults to
* 10s.
*/
TimeValue timeout() {
return timeout;
}
/**
* Timeout to wait till the alias operations get acknowledged of all current cluster nodes. Defaults to
* 10s.
*/
public IndicesAliasesRequest timeout(TimeValue timeout) {
this.timeout = timeout;
return this;
}
/**
* Timeout to wait till the alias operations get acknowledged of all current cluster nodes. Defaults to
* 10s.
*/
public IndicesAliasesRequest timeout(String timeout) {
return timeout(TimeValue.parseTimeValue(timeout, TimeValue.timeValueSeconds(10)));
}
@Override
public ActionRequestValidationException validate() {
ActionRequestValidationException validationException = null;
if (aliasActions.isEmpty()) {
validationException = addValidationError("Must specify at least one alias action", validationException);
}
return validationException;
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
int size = in.readVInt();
for (int i = 0; i < size; i++) {
aliasActions.add(readAliasAction(in));
}
timeout = readTimeValue(in);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeVInt(aliasActions.size());
for (AliasAction aliasAction : aliasActions) {
aliasAction.writeTo(out);
}
timeout.writeTo(out);
}
}
