org.datanucleus.store.rdbms.sql.method
Class StringTrim2Method

java.lang.Object
  org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod
      org.datanucleus.store.rdbms.sql.method.StringTrim2Method

All Implemented Interfaces:

SQLMethod

public class StringTrim2Method
extends AbstractSQLMethod

Method for trimming a String expression using LTRIM and RTRIM SQL functions. Returns a StringExpression that equates to

LTRIM(RTRIM(str))

Field Summary

Fields inherited from class org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod

clr, exprFactory, LOCALISER, stmt

Constructor Summary

StringTrim2Method()

Method Summary

SQLExpression

getExpression(SQLExpression expr, List args) Return the expression for this SQL function.

Methods inherited from class org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod

getMappingForClass, setStatement

Methods inherited from class java.lang.Object

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

Constructor Detail

StringTrim2Method

public StringTrim2Method()

Method Detail

getExpression

public SQLExpression getExpression(SQLExpression expr,
                                   List args)

Description copied from interface: SQLMethod

Return the expression for this SQL function.

Parameters:

expr - The expression that it is invoked on

args - Arguments passed in

Returns:

The SQL expression using the SQL function