Package com.github.collinalpert.java2db.utilities

Class Lambda2Sql

  • public class Lambda2Sql
extends java.lang.Object
    A utility class for converting java lambdas to SQL.

    • Constructor Summary

      Constructors 
      Constructor Description
      Lambda2Sql()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static <T> java.lang.String toSql​(SqlPredicate<T> predicate)
      Converts a predicate lambda to SQL.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • Lambda2Sql

        public Lambda2Sql()

    • Method Detail

      • toSql

        public static <T> java.lang.String toSql​(SqlPredicate<T> predicate)
        Converts a predicate lambda to SQL. 
        person -> person.getAge() > 50 && person.isActive()
        Becomes a string: 
        "age > 50 AND active"
        Supported operators: >,>=,<,<=,=,!=,&&,||,!
        Type Parameters:
        T - The type of the predicate.
        Parameters:
        predicate - The SqlPredicate to transform.
        Returns:
        A String representing the predicate as an SQL where condition.