com.samskivert.jdbc.depot
Class WhereClause

java.lang.Object
  com.samskivert.jdbc.depot.clause.QueryClause
      com.samskivert.jdbc.depot.WhereClause

All Implemented Interfaces:

SQLExpression

Direct Known Subclasses:

Key, MultiKey, Where

public abstract class WhereClause
extends QueryClause

Currently only exists as a type without any functionality of its own.

Constructor Summary

WhereClause()

Method Summary

void	validateQueryType(Class<?> pClass) Validates that the supplied persistent record type is the type matched by this where clause.
protected void	validateTypesMatch(Class<?> qClass, Class<?> kClass) A helper function for implementing validateQueryType(java.lang.Class).

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.samskivert.jdbc.depot.expression.SQLExpression

accept, addClasses

Constructor Detail

WhereClause

public WhereClause()

Method Detail

validateQueryType

public void validateQueryType(Class<?> pClass)

Validates that the supplied persistent record type is the type matched by this where clause. Not all clauses will be able to perform this validation, but those that can, should do so to help alleviate programmer error.

Throws:

IllegalArgumentException - thrown if the supplied class is known not to by the type matched by this where clause.

validateTypesMatch

protected void validateTypesMatch(Class<?> qClass,
                                  Class<?> kClass)

A helper function for implementing validateQueryType(java.lang.Class).