ArangoDbDocument.java

package org.arangodb.objectmapper.jackson;

//////////////////////////////////////////////////////////////////////////////////////////
//
// Object mapper for ArangoDB by triAGENS GmbH Cologne.
//
// Copyright triAGENS GmbH Cologne.
//
//////////////////////////////////////////////////////////////////////////////////////////

import java.io.*;

import org.arangodb.objectmapper.util.ArangoDbAssert;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.JsonInclude.Include;
import com.fasterxml.jackson.annotation.JsonProperty;

@JsonInclude(Include.NON_NULL)
public class ArangoDbDocument implements Serializable {
	
	/**
	 * 
	 */
	private static final long serialVersionUID = 7047000745465609916L;

	/**
	 * document id 
	 */
	
	private String _id;

	/**
	 * document key 
	 */
	
	private String _key;

	/**
	 * document revision
	 */
	
	private String _rev;

	@JsonProperty("_id")
	public String getId() {
		return _id;
	}
	
	@JsonProperty("_id")
	public void setId(String s) {
		ArangoDbAssert.hasText(s, "id must have a value");
		if (_id != null && _id.equals(s)) {
		    return;
		}
	    if (_id != null) {
			throw new IllegalStateException("cannot set id, id already set");
		}
		_id = s;
	}

	@JsonProperty("_key")
	public String getKey() {
		return _key;
	}
	
	@JsonProperty("_key")
	public void setKey(String s) {
		ArangoDbAssert.hasText(s, "key must have a value");
		if (_key != null && _id.equals(s)) {
		    return;
		}
	    if (_key != null) {
			throw new IllegalStateException("cannot set key, key already set");
		}
		_key = s;
	}

	@JsonProperty("_rev")
	public String getRevision() {
		return _rev;
	}

	@JsonProperty("_rev")
	public void setRevision(String s) {
		// no empty strings thanks
		if (s != null && s.length() == 0) {
			return;
		}
		this._rev = s;
	}
	
	@JsonIgnore	
	public boolean isNew() {
		return _rev == null;
	}

}