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EsDocument.java
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EsDocument.java
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/**
* Copyright 2013 the original author or authors.
*
* Licensed 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 com.javaetmoi.core.batch.item;
import org.elasticsearch.common.xcontent.XContentBuilder;
/**
* JSON document which is stored in Elasticsearch.
*
* <p>
* A document is stored in an <b>index</b> and has a <b>type</b> and an <b>id</b>.<br>
* If no id is provided, Elasticsearch well auto-generated one.<br>
* A document indexed in elasticsearch could be versioned.
* </p>
*/
public class EsDocument {
private String id;
private String type;
private Long version;
private XContentBuilder contentBuilder;
/**
* EsDocument constructor.
*
* @param type
* type of the Elasticsearch document
* @param contentBuilder
* Elasticsearch helper to generate JSON content.
*/
public EsDocument(String type, XContentBuilder contentBuilder) {
this.type = type;
this.contentBuilder = contentBuilder;
}
protected String getId() {
return id;
}
/**
* Set the ID of a document which identifies a document.
*
* @param id
* ID of a document (may be <code>null</code>)
*/
public void setId(String id) {
this.id = id;
}
protected XContentBuilder getContentBuilder() {
return contentBuilder;
}
protected String getType() {
return type;
}
/**
* Sets the version, which will cause the index operation to only be performed if a matching
* version exists and no changes happened on the doc since then.
*
* @param version
* version of a document
* @see http://www.elasticsearch.org/blog/versioning/
*/
protected void setVersion(Long version) {
this.version = version;
}
protected boolean isVersioned() {
return version !=null;
}
public Long getVersion() {
return version;
}
}