Package org.queryman.builder.utils

Class ExpressionUtil

java.lang.Object

org.queryman.builder.utils.ExpressionUtil

public class ExpressionUtil
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
ExpressionUtil()

Method Summary

Modifier and Type	Method	Description
static <T> Expression	toExpression(T field)	Returns an expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionUtil

public ExpressionUtil()

Method Detail

toExpression

public static <T> Expression toExpression(T field)

Returns an expression. Checking scenario is:

• if field is an Expression object return itself
• if field is a Query object, returns a SubQueryExpression
• if field is not a String object, the Queryman.asConstant(Object) is applicable
• returns a ColumnReferenceExpression

Parameters:

field -

Returns:

expression