com.samskivert.jdbc.depot.expression
Class ValueExp

java.lang.Object
  extended by com.samskivert.jdbc.depot.expression.ValueExp
All Implemented Interfaces:
SQLExpression

public class ValueExp
extends Object
implements SQLExpression

A Java value that is bound as a parameter to the query, e.g. 1 or 'abc'.


Field Summary
protected  Object _value
          The value to be bound to the SQL parameters.
 
Constructor Summary
ValueExp(Object _value)
           
 
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.
 Object getValue()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

_value

protected Object _value
The value to be bound to the SQL parameters.

Constructor Detail

ValueExp

public ValueExp(Object _value)
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

getValue

public Object getValue()


Copyright © 2000-2008 Michael Bayne. All Rights Reserved.