Package com.github.collinalpert.java2db.utilities

Class Lambda2Sql

java.lang.Object

com.github.collinalpert.java2db.utilities.Lambda2Sql

public class Lambda2Sql
extends Object

A utility class for converting java lambdas to SQL.

Constructor Summary

Constructors

Constructor	Description
Lambda2Sql()

Method Summary

Modifier and Type	Method	Description
static <T> 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> 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.