com.heckmansoft.surjey.model.datastore
Class QuestionDatastore

java.lang.Object
  com.heckmansoft.surjey.model.datastore.Datastore
      com.heckmansoft.surjey.model.datastore.QuestionDatastore

Direct Known Subclasses:

QuestionManager

public class QuestionDatastore

extends Datastore

Manages object-relational mapping for Question objects.

Constructor Summary

QuestionDatastore()
Constructor.

Method Summary

protected Question	createQuestion() Create a new question.
protected ValueObject	extract(java.sql.ResultSet results) Extract an object from the given result set.
Question	findById(java.lang.String id) Finds a particular question.
ValueObjectList	findBySectionId(java.lang.String id) Finds all questions for a particular section.
protected java.util.List	getArgs(ValueObject vo) From the given object, get a list of arguments to use for constructing a query or update.
boolean	removeBySectionId(java.lang.String id) Removes all questions for a given section.

Methods inherited from class com.heckmansoft.surjey.model.datastore.Datastore

executeDelete, executeInsert, executeUpdate, extract, extractList, extractSingle, findAll, generateDeleteSQL, generateInsertSQL, generateSelectSQL, generateUpdateSQL, getConnection, getTransaction, insert, insert, populateStatement, remove, remove, remove, selectAll, selectById, selectWhere, update, update

Methods inherited from class java.lang.Object

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

Constructor Detail

QuestionDatastore

public QuestionDatastore()

Constructor.

Method Detail

findById

public Question findById(java.lang.String id)
                  throws DatastoreException

Finds a particular question.

Parameters:

id - the id of the question to find.

Returns:

A Question instance, or null if no match found

Throws:

DatastoreException

findBySectionId

public ValueObjectList findBySectionId(java.lang.String id)
                                throws DatastoreException

Finds all questions for a particular section.

Parameters:

id - Id of the section containing the questions to find.

Returns:

A list of matching Question instances

Throws:

DatastoreException

removeBySectionId

public boolean removeBySectionId(java.lang.String id)
                          throws DatastoreException

Removes all questions for a given section.

Parameters:

id - Id of section for which sections are to be removed.

Returns:

true if all matching questions are found and removed

Throws:

DatastoreException

getArgs

protected java.util.List getArgs(ValueObject vo)

From the given object, get a list of arguments to use for constructing a query or update.

Overrides:

getArgs in class Datastore

Parameters:

vo - Object containing data to use.

Returns:

A list of arguments.

extract

protected ValueObject extract(java.sql.ResultSet results)
                       throws DatastoreException

Extract an object from the given result set.

Overrides:

extract in class Datastore

Parameters:

results - The result set.

Returns:

The newly extracted object.

Throws:

DatastoreException

createQuestion

protected Question createQuestion()

Create a new question.

Returns:

newly created question.