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    • br.com.anteros.nosql.persistence.mongodb.session.MongoMappedDocument Maven / Gradle / Ivy

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    package br.com.anteros.nosql.persistence.mongodb.session;

import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

import org.bson.Document;
import org.bson.conversions.Bson;

import com.mongodb.client.model.Filters;

import br.com.anteros.nosql.persistence.mongodb.query.MongoUpdate;
import br.com.anteros.nosql.persistence.session.NoSQLMappedDocument;
import br.com.anteros.nosql.persistence.session.query.NoSQLUpdate;

public class MongoMappedDocument implements NoSQLMappedDocument {


	private static final String ID_FIELD = "_id";
	private static final Document ID_ONLY_PROJECTION = new Document(ID_FIELD, 1);

	private Document document;
	
	private MongoMappedDocument(Document document) {
		this.document = document;
	}


	public static MongoMappedDocument of(Document document) {
		return new MongoMappedDocument(document);
	}
	

	public static Document getIdOnlyProjection() {
		return ID_ONLY_PROJECTION;
	}

	public static Document getIdIn(Collection ids) {
		return new Document(ID_FIELD, new Document("$in", ids));
	}

	public static List toIds(Collection documents) {

		return documents.stream()//
				.map(it -> it.get(ID_FIELD))//
				.collect(Collectors.toList());
	}

	public boolean hasId() {
		return document.containsKey(ID_FIELD);
	}

	public boolean hasNonNullId() {
		return hasId() && document.get(ID_FIELD) != null;
	}

	public Object getId() {
		return document.get(ID_FIELD);
	}

	public  T getId(Class type) {
		return document.get(ID_FIELD, type);
	}

	public boolean isIdPresent(Class type) {
		return type.isInstance(getId());
	}

	public Bson getIdFilter() {
		return Filters.eq(ID_FIELD, document.get(ID_FIELD));
	}

	public NoSQLUpdate updateWithoutId() {
		return MongoUpdate.fromDocument(document, ID_FIELD);
	}

	public Document getDocument() {
		return document;
	}
	
}    
    
    
    

    




    
    
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