我需要在ArangoDB的JAVA驱动的事务中放置多个参数;
它适用于单个参数:
public String save(User user) throws ArangoDBException {
TransactionOptions options = new TransactionOptions().params(user).writeCollections(collectionName);
String action = "function (params) { "
+ "var db = require('internal').db; "
+ "var doc = params;"
+ "db.users.save(doc);"
+ "}";
return db.transaction(action, String.class, options);
}
但是如果我需要传递多个参数,那么我就会陷入困境。尝试传递map、arraylist或array,但似乎不起作用:
public void save(User user, User user2) throws ArangoDBException {
Map<String, Object> parameters = new MapBuilder()
.put("user", user)
.put("user2" user2)
.get();
TransactionOptions options = new TransactionOptions().params(parameters).writeCollections(collectionName);
String action = "function (params) { "
+ "var db = require('internal').db; "
+ "var doc = params['user'];"
+ "var doc2 = params['user2'];"
+ "db.users.save(doc);"
+ "db.users.save(doc2);"
+ "}";
db.transaction(action, String.class, options);
}
最佳答案
不再需要您的解决方法。 TransactionOptions
中缺少映射/列表/数组的自动序列化是 java 驱动程序中的一个错误,已在版本 4.1.5 中修复
关于java - ArangoDB Java驱动程序: put multiple parameters in transaction,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41239223/