net.sf.basedb.core.query
Class VirtualColumnExpression.WrappedExpression

java.lang.Object
  net.sf.basedb.core.query.VirtualColumnExpression.WrappedExpression

All Implemented Interfaces:

Expression, QueryElement

Enclosing class:

VirtualColumnExpression

static class VirtualColumnExpression.WrappedExpression
extends Object
implements Expression

Field Summary

private String

expression

Constructor Summary

VirtualColumnExpression.WrappedExpression(String expression)

Method Summary

Collection<? extends QueryElement>	getChildren() Get the children of this query element or null if it has no children.
String	toQl(Query query, DbControl dc) Create a query language string of the query element.

Methods inherited from class java.lang.Object

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

Field Detail

expression

private final String expression

Constructor Detail

VirtualColumnExpression.WrappedExpression

VirtualColumnExpression.WrappedExpression(String expression)

Method Detail

getChildren

public Collection<? extends QueryElement> getChildren()

Description copied from interface: QueryElement

Get the children of this query element or null if it has no children. For example the AddExpression has two children, the expression beeing added.

Specified by:

getChildren in interface QueryElement

Returns:

A collection or null

toQl

public String toQl(Query query,
                   DbControl dc)
            throws BaseException

Description copied from interface: QueryElement

Create a query language string of the query element. Use the Query.getQueryType() method to find out which query language is wanted in case the element requires different syntax for different languages.

Specified by:

toQl in interface QueryElement

Parameters:

query - The query that is about to be executed

dc - The DbControl object used to execute the query

Throws:

BaseException - If there is any other error