com.samskivert.jdbc.depot.expression
Class LiteralExp

java.lang.Object
  com.samskivert.jdbc.depot.expression.LiteralExp

All Implemented Interfaces:

SQLExpression

public class LiteralExp
extends Object
implements SQLExpression

An expression for things we don't support natively, e.g. COUNT(*).

Field Summary

protected String

_text The literal text of this expression, e.g.

Constructor Summary

LiteralExp(String text)

Method Summary

void	accept(ExpressionVisitor builder) Most uses of this class have been implemented with a visitor pattern.
void	addClasses(Collection<Class<? extends PersistentRecord>> classSet) Adds all persistent classes that are brought into the SQL context by this clause: FROM clauses, JOINs, UPDATEs, anything that could create a new table abbreviation.
String	getText()

Methods inherited from class java.lang.Object

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

Field Detail

_text

protected String _text

The literal text of this expression, e.g. COUNT(*)

Constructor Detail

LiteralExp

public LiteralExp(String text)

Method Detail

accept

public void accept(ExpressionVisitor builder)
            throws Exception

Description copied from interface: SQLExpression

Most uses of this class have been implemented with a visitor pattern. Create your own ExpressionVisitor and call this method with it.

Specified by:

accept in interface SQLExpression

Throws:

Exception

See Also:

SQLBuilder

addClasses

public void addClasses(Collection<Class<? extends PersistentRecord>> classSet)

Description copied from interface: SQLExpression

Adds all persistent classes that are brought into the SQL context by this clause: FROM clauses, JOINs, UPDATEs, anything that could create a new table abbreviation. This method should recurse into any subordinate state that may in turn bring in new classes so that sub-queries work correctly.

Specified by:

addClasses in interface SQLExpression

getText

public String getText()