imported MongoOptionsFactory from cnr-mongo-mdstore

dnet-data-services/src/main/java/eu/dnetlib/mongodb/MongoOptionsFactory.java

@@ -0,0 +1,33 @@
+package eu.dnetlib.mongodb;
+
+import com.mongodb.MongoClientOptions;
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.FactoryBean;
+
+public class MongoOptionsFactory implements FactoryBean<MongoClientOptions> {
+	private int connectionsPerHost;
+
+	@Override
+	public MongoClientOptions getObject() throws BeansException {
+		return MongoClientOptions.builder().connectionsPerHost(connectionsPerHost).build();
+	}
+
+	@Override
+	public Class<MongoClientOptions> getObjectType() {
+		return MongoClientOptions.class;
+	}
+
+	@Override
+	public boolean isSingleton() {
+		return false;
+	}
+
+	public int getConnectionsPerHost() {
+		return connectionsPerHost;
+	}
+
+	public void setConnectionsPerHost(int connectionsPerHost) {
+		this.connectionsPerHost = connectionsPerHost;
+	}
+
+}