org.elasticsearch.action.delete.DeleteRequest Maven / Gradle / Ivy
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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.delete;
import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.action.CompositeIndicesRequest;
import org.elasticsearch.action.DocWriteRequest;
import org.elasticsearch.action.support.replication.ReplicatedWriteRequest;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.logging.DeprecationLogger;
import org.elasticsearch.common.logging.Loggers;
import org.elasticsearch.common.lucene.uid.Versions;
import org.elasticsearch.index.VersionType;
import java.io.IOException;
import static org.elasticsearch.action.ValidateActions.addValidationError;
/**
* A request to delete a document from an index based on its type and id. Best created using
* {@link org.elasticsearch.client.Requests#deleteRequest(String)}.
*
* The operation requires the {@link #index()}, {@link #type(String)} and {@link #id(String)} to
* be set.
*
* @see DeleteResponse
* @see org.elasticsearch.client.Client#delete(DeleteRequest)
* @see org.elasticsearch.client.Requests#deleteRequest(String)
*/
public class DeleteRequest extends ReplicatedWriteRequest implements DocWriteRequest, CompositeIndicesRequest {
private String type;
private String id;
@Nullable
private String routing;
@Nullable
private String parent;
private long version = Versions.MATCH_ANY;
private VersionType versionType = VersionType.INTERNAL;
private static DeprecationLogger deprecationLogger = new DeprecationLogger(Loggers.getLogger(DeleteRequest.class));
public DeleteRequest() {
}
/**
* Constructs a new delete request against the specified index. The {@link #type(String)} and {@link #id(String)}
* must be set.
*/
public DeleteRequest(String index) {
this.index = index;
}
/**
* Constructs a new delete request against the specified index with the type and id.
*
* @param index The index to get the document from
* @param type The type of the document
* @param id The id of the document
*/
public DeleteRequest(String index, String type, String id) {
this.index = index;
this.type = type;
this.id = id;
}
@Override
public ActionRequestValidationException validate() {
ActionRequestValidationException validationException = super.validate();
if (type == null) {
validationException = addValidationError("type is missing", validationException);
}
if (id == null) {
validationException = addValidationError("id is missing", validationException);
}
if (!versionType.validateVersionForWrites(version)) {
validationException = addValidationError("illegal version value [" + version + "] for version type [" + versionType.name() + "]", validationException);
}
if (versionType == VersionType.FORCE) {
deprecationLogger.deprecated("version type FORCE is deprecated and will be removed in the next major version");
}
return validationException;
}
/**
* The type of the document to delete.
*/
@Override
public String type() {
return type;
}
/**
* Sets the type of the document to delete.
*/
public DeleteRequest type(String type) {
this.type = type;
return this;
}
/**
* The id of the document to delete.
*/
@Override
public String id() {
return id;
}
/**
* Sets the id of the document to delete.
*/
public DeleteRequest id(String id) {
this.id = id;
return this;
}
/**
* @return The parent for this request.
*/
@Override
public String parent() {
return parent;
}
/**
* Sets the parent id of this document.
*/
public DeleteRequest parent(String parent) {
this.parent = parent;
return this;
}
/**
* Controls the shard routing of the request. Using this value to hash the shard
* and not the id.
*/
@Override
public DeleteRequest routing(String routing) {
if (routing != null && routing.length() == 0) {
this.routing = null;
} else {
this.routing = routing;
}
return this;
}
/**
* Controls the shard routing of the delete request. Using this value to hash the shard
* and not the id.
*/
@Override
public String routing() {
return this.routing;
}
@Override
public DeleteRequest version(long version) {
this.version = version;
return this;
}
@Override
public long version() {
return this.version;
}
@Override
public DeleteRequest versionType(VersionType versionType) {
this.versionType = versionType;
return this;
}
@Override
public VersionType versionType() {
return this.versionType;
}
@Override
public OpType opType() {
return OpType.DELETE;
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
type = in.readString();
id = in.readString();
routing = in.readOptionalString();
parent = in.readOptionalString();
version = in.readLong();
versionType = VersionType.fromValue(in.readByte());
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeString(type);
out.writeString(id);
out.writeOptionalString(routing());
out.writeOptionalString(parent());
out.writeLong(version);
out.writeByte(versionType.getValue());
}
@Override
public String toString() {
return "delete {[" + index + "][" + type + "][" + id + "]}";
}
}