org.apache.ojb.broker.accesslayer.sql
Class SqlExistStatement

java.lang.Object
  org.apache.ojb.broker.accesslayer.sql.SqlPkStatement
      org.apache.ojb.broker.accesslayer.sql.SqlExistStatement

All Implemented Interfaces:

SqlStatement

public class SqlExistStatement
extends SqlPkStatement

Generate a select to check existence of an object. Something like "SELECT id_1 FROM myTable where id_1 = 123 and id_2 = 'kjngzt'".

Version:

$Id: SqlExistStatement.java,v 1.1 2007-08-24 22:17:39 ewestfal Exp $

Author:

Armin Waibel

Field Summary

private static String	FROM
private static String	SELECT
private String	sql

Constructor Summary

SqlExistStatement(ClassDescriptor aCld, Logger aLogger)

Method Summary

String

getStatement() Return SELECT clause for object existence call

Methods inherited from class org.apache.ojb.broker.accesslayer.sql.SqlPkStatement

appendTable, appendWhereClause, appendWhereClause, getClassDescriptor, getLogger

Methods inherited from class java.lang.Object

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

Field Detail

SELECT

private static final String SELECT

See Also:

Constant Field Values

FROM

private static final String FROM

See Also:

Constant Field Values

sql

private String sql

Constructor Detail

SqlExistStatement

public SqlExistStatement(ClassDescriptor aCld,
                         Logger aLogger)

Method Detail

getStatement

public String getStatement()

Return SELECT clause for object existence call