com.agimatec.sql.query
Class JdbcExecutor

java.lang.Object
  com.agimatec.sql.query.JdbcExecutor

Direct Known Subclasses:

JdbcQueryUtil

public abstract class JdbcExecutor
extends java.lang.Object

Abstract superclass of classes that execute direct sql statements.

Author:

Roman Stumm

Field Summary

protected static org.apache.commons.logging.Log

log

Constructor Summary

JdbcExecutor()

Method Summary

protected int	execRowsAffected(SQLStatement aSQL) execute an sql (update/delete/insert) statement and return the number of rows affected
protected QueryResult	fetchResult(SQLStatement aQuery, JdbcResultBuilder resultBuilder, QueryDefinition queryDefinition) execute a SQL-QUERY (select) and return a LookupResult
abstract java.sql.Connection	getConnection()
protected JdbcResultBuilder	newResultVisitor(java.lang.String className)

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static final org.apache.commons.logging.Log log

Constructor Detail

JdbcExecutor

public JdbcExecutor()

Method Detail

fetchResult

protected QueryResult fetchResult(SQLStatement aQuery,
                                  JdbcResultBuilder resultBuilder,
                                  QueryDefinition queryDefinition)
                           throws java.sql.SQLException

execute a SQL-QUERY (select) and return a LookupResult

Parameters:

aQuery - - the SQLStatement

resultBuilder - - a result visitor that builds the result rows or objects

queryDefinition - - the max. number of rows to build (or GenericQuery.C_Unlimited)

Returns:

a LookupResult

Throws:

java.lang.Exception

java.sql.SQLException

execRowsAffected

protected int execRowsAffected(SQLStatement aSQL)
                        throws java.sql.SQLException

execute an sql (update/delete/insert) statement and return the number of rows affected

Returns:

the number of rows affected (if the database provides that info)

Throws:

java.sql.SQLException

newResultVisitor

protected JdbcResultBuilder newResultVisitor(java.lang.String className)

getConnection

public abstract java.sql.Connection getConnection()