Package org.apache.openjpa.jdbc.kernel.exps

Interface JDBCFilterListener

All Superinterfaces:

FilterListener, java.io.Serializable

All Known Implementing Classes:

GetColumn, JDBCStringContains, JDBCWildcardMatch, SQLEmbed, SQLExpression, SQLValue

public interface JDBCFilterListener
extends FilterListener

JDBC extension to the FilterListener.

Author:

Abe White

Method Summary

Modifier and Type	Method	Description
void	appendTo(SQLBuffer buf, FilterValue target, FilterValue[] args, ClassMapping mapping, JDBCStore store)	Append the SQL for this expression or value.

Methods inherited from interface org.apache.openjpa.kernel.exps.FilterListener

evaluate, expectsArguments, expectsTarget, getTag, getType

Method Detail

appendTo

void appendTo(SQLBuffer buf,
              FilterValue target,
              FilterValue[] args,
              ClassMapping mapping,
              JDBCStore store)

Append the SQL for this expression or value.

Parameters:

buf - the SQL buffer to append to

target - the target to act on, or null if the listener doesn't expect a target

args - the values of the arguments given in the filter, or null if this listener doesn't expect arguments

mapping - the class mapping for the query's candidate class

store - the store that owns the query