com.solarmetric.kodo.impl.jdbc.query.listen
Class SQLExpression

java.lang.Object
  |
  +--com.solarmetric.kodo.impl.jdbc.query.listen.SQLEmbed
        |
        +--com.solarmetric.kodo.impl.jdbc.query.listen.SQLExpression

All Implemented Interfaces:

FilterListener, JDBCFilterListener

public class SQLExpression

extends SQLEmbed

Simple listener which embeds the argument as an expression into the where clause generated by the query. Listens on "ext:sqlExp".

Example:
"price < 10 || ext:sqlExp (\"(SELECT AVG (PRICE) FROM PRODUCT_TABLE) > 100\")"

Field Summary

static String

TAG

Constructor Summary

SQLExpression()

Method Summary

String	getTag() Return the tag that this extension listens for.
boolean	isExpression() Return true if this extension is an expression; i.e.

Methods inherited from class com.solarmetric.kodo.impl.jdbc.query.listen.SQLEmbed

evaluate, expectsArgument, expectsTarget, where

Methods inherited from class java.lang.Object

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

Field Detail

TAG

public static final String TAG

Constructor Detail

SQLExpression

public SQLExpression()

Method Detail

getTag

public String getTag()

Description copied from interface: FilterListener

Return the tag that this extension listens for.

isExpression

public boolean isExpression()

Description copied from interface: FilterListener

Return true if this extension is an expression; i.e. if it evaluates to true or false on its own.