解析和翻译的Java 8拉姆达前pressions [英] Parsing and Translating Java 8 lambda expressions

问题描述

在C＃中你可以附上在离pression树对象的lambda前pression，然后有可能的解析它。我想知道，这也有可能在Java中？

In C# you can enclose a lambda expression in an expression tree object and then possibly parse it. I was wondering if this is also possible in Java?

我正在寻找的是做这样的事情：

What I'm looking for is doing something like this:

BooksRepository.getAll()
.where(b -> b.getIban() == "SomeIban")
.and(b -> b.getAuthor() == "SomeAuthor"); //etc.

和则 BooksRepository 应该以某种方式把所查询的基础上指定的lambda表达式predicates以下的RESTful API请求：

And then the BooksRepository should somehow translate that query to the following RESTful API request based on the predicates specified as lambdas:

GET http://mylibrary.com/books?Iban=SomeIban&Author=SomeAuthor

，然后将结果返回给客户端。任何想法，如果这甚至有可能在Java中？

and then return the result to the client. Any idea if this is even possible in Java?

推荐答案

是的，这是可能的。我所做的正是这么做的图书馆：哈克

Yes, it's possible. I made a library that does exactly that: JaQue

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