Package com.github.collinalpert.lambda2sql

Class Lambda2Sql

java.lang.Object
com.github.collinalpert.lambda2sql.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

    Modifier and Type Method Description
    static java.lang.String toSql​(SerializedFunctionalInterface functionalInterface)  
    static java.lang.String toSql​(SerializedFunctionalInterface functionalInterface, java.lang.String tableName)  
    static java.lang.String toSql​(SerializedFunctionalInterface functionalInterface, java.lang.String tableName, boolean withBackticks)
    Converts a lambda expression to SQL.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

  • Method Details

    • toSql

      public static java.lang.String toSql​(SerializedFunctionalInterface functionalInterface, java.lang.String tableName, boolean withBackticks)
      Converts a lambda expression to SQL. 
      person -> person.getAge() > 50 && person.isActive()
      Becomes a string: 
      "age > 50 AND active"
      Supported operators: >,>=,<,<=,=,!=,&&,||,!
      Parameters:
      functionalInterface - A FunctionalInterface lambda to convert.
      tableName - The table name which the column belongs to. This will explicitly reference the column. It is optional to specify this.
      withBackticks - Specifies if the table and the column name should be escaped with backticks. The default behavior is true.
      Returns:
      A String describing the SQL where condition.

    • toSql

      public static java.lang.String toSql​(SerializedFunctionalInterface functionalInterface, java.lang.String tableName)

    • toSql

      public static java.lang.String toSql​(SerializedFunctionalInterface functionalInterface)