SEC-187: Refactoring contact Dao to use JdbcTemplate, and removing unused query objects (which have been there since 2004!)
This commit is contained in:
Luke Taylor
parent
055fcd0b7d
commit
080430150a
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@ -15,60 +15,76 @@
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package sample.contact;
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import org.springframework.jdbc.core.SqlParameter;
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import org.springframework.jdbc.core.support.JdbcDaoSupport;
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import org.springframework.jdbc.object.MappingSqlQuery;
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import org.springframework.jdbc.object.SqlUpdate;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.Types;
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import java.util.List;
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import javax.sql.DataSource;
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import org.springframework.jdbc.core.PreparedStatementSetter;
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import org.springframework.jdbc.core.RowMapper;
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import org.springframework.jdbc.core.support.JdbcDaoSupport;
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/**
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* Base implementation of {@link ContactDao} that uses Spring JDBC services.
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* Base implementation of {@link ContactDao} that uses Spring's JdbcTemplate.
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*
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* @author Ben Alex
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* @author Luke Taylor
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*/
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public class ContactDaoSpring extends JdbcDaoSupport implements ContactDao {
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//~ Instance fields ================================================================================================
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private ContactDelete contactDelete;
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private ContactInsert contactInsert;
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private ContactUpdate contactUpdate;
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private ContactsAllQuery contactsAllQuery;
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private ContactsByIdQuery contactsByIdQuery;
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private PrincipalsAllQuery principalsAllQuery;
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private RolesAllQuery rolesAllQuery;
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//~ Methods ========================================================================================================
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public void create(Contact contact) {
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contactInsert.insert(contact);
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public void create(final Contact contact) {
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getJdbcTemplate().update("insert into contacts values (?, ?, ?)", new PreparedStatementSetter() {
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public void setValues(PreparedStatement ps) throws SQLException {
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ps.setLong(1, contact.getId());
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ps.setString(2, contact.getName());
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ps.setString(3, contact.getEmail());
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}
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});
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}
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public void delete(Long contactId) {
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contactDelete.delete(contactId);
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public void delete(final Long contactId) {
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getJdbcTemplate().update("delete from contacts where id = ?", new PreparedStatementSetter() {
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public void setValues(PreparedStatement ps) throws SQLException {
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ps.setLong(1, contactId);
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}
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});
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}
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public void update(final Contact contact) {
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getJdbcTemplate().update("update contacts set contact_name = ?, address = ? where id = ?", new PreparedStatementSetter() {
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public void setValues(PreparedStatement ps) throws SQLException {
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ps.setString(1, contact.getName());
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ps.setString(2, contact.getEmail());
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ps.setLong(3, contact.getId());
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}
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});
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}
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public List<Contact> findAll() {
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return contactsAllQuery.execute();
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return getJdbcTemplate().query("select id, contact_name, email from contacts order by id", new RowMapper<Contact>() {
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public Contact mapRow(ResultSet rs, int rowNum) throws SQLException {
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return mapContact(rs);
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}
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});
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}
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public List<String> findAllPrincipals() {
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return principalsAllQuery.execute();
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return getJdbcTemplate().queryForList("select username from users order by username", String.class);
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}
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public List<String> findAllRoles() {
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return rolesAllQuery.execute();
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return getJdbcTemplate().queryForList("select distinct authority from authorities order by authority", String.class);
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}
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public Contact getById(Long id) {
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List<Contact> list = contactsByIdQuery.execute(id.longValue());
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List<Contact> list = getJdbcTemplate().query("select id, contact_name, email from contacts where id = ? order by id", new RowMapper<Contact>() {
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public Contact mapRow(ResultSet rs, int rowNum) throws SQLException {
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return mapContact(rs);
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}
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}, id);
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if (list.size() == 0) {
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return null;
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@ -77,178 +93,13 @@ public class ContactDaoSpring extends JdbcDaoSupport implements ContactDao {
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}
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}
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protected void initDao() throws Exception {
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contactInsert = new ContactInsert(getDataSource());
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contactUpdate = new ContactUpdate(getDataSource());
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contactDelete = new ContactDelete(getDataSource());
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contactsAllQuery = new ContactsAllQuery(getDataSource());
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principalsAllQuery = new PrincipalsAllQuery(getDataSource());
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rolesAllQuery = new RolesAllQuery(getDataSource());
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contactsByIdQuery = new ContactsByIdQuery(getDataSource());
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}
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private Contact mapContact(ResultSet rs) throws SQLException {
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Contact contact = new Contact();
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contact.setId(new Long(rs.getLong("id")));
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contact.setName(rs.getString("contact_name"));
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contact.setEmail(rs.getString("email"));
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public void update(Contact contact) {
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contactUpdate.update(contact);
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}
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//~ Inner Classes ==================================================================================================
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protected class AclObjectIdentityByObjectIdentityQuery extends MappingSqlQuery<Long> {
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protected AclObjectIdentityByObjectIdentityQuery(DataSource ds) {
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super(ds, "SELECT id FROM acl_object_identity WHERE object_identity = ?");
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declareParameter(new SqlParameter(Types.VARCHAR));
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compile();
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}
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protected Long mapRow(ResultSet rs, int rownum)
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throws SQLException {
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return new Long(rs.getLong("id"));
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}
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}
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protected class AclObjectIdentityInsert extends SqlUpdate {
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protected AclObjectIdentityInsert(DataSource ds) {
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super(ds, "INSERT INTO acl_object_identity VALUES (?, ?, ?, ?)");
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declareParameter(new SqlParameter(Types.BIGINT));
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declareParameter(new SqlParameter(Types.VARCHAR));
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declareParameter(new SqlParameter(Types.INTEGER));
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declareParameter(new SqlParameter(Types.VARCHAR));
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compile();
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}
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protected int insert(String objectIdentity, Long parentAclObjectIdentity, String aclClass) {
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Object[] objs = new Object[] {null, objectIdentity, parentAclObjectIdentity, aclClass};
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super.update(objs);
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return getJdbcTemplate().queryForInt("call identity()");
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}
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}
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protected class ContactDelete extends SqlUpdate {
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protected ContactDelete(DataSource ds) {
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super(ds, "DELETE FROM contacts WHERE id = ?");
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declareParameter(new SqlParameter(Types.BIGINT));
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compile();
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}
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protected void delete(Long contactId) {
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super.update(contactId.longValue());
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}
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}
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protected class ContactInsert extends SqlUpdate {
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protected ContactInsert(DataSource ds) {
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super(ds, "INSERT INTO contacts VALUES (?, ?, ?)");
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declareParameter(new SqlParameter(Types.BIGINT));
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declareParameter(new SqlParameter(Types.VARCHAR));
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declareParameter(new SqlParameter(Types.VARCHAR));
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compile();
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}
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protected void insert(Contact contact) {
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Object[] objs = new Object[] {contact.getId(), contact.getName(), contact.getEmail()};
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super.update(objs);
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}
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}
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protected class ContactUpdate extends SqlUpdate {
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protected ContactUpdate(DataSource ds) {
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super(ds, "UPDATE contacts SET contact_name = ?, address = ? WHERE id = ?");
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declareParameter(new SqlParameter(Types.VARCHAR));
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declareParameter(new SqlParameter(Types.VARCHAR));
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declareParameter(new SqlParameter(Types.BIGINT));
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compile();
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}
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protected void update(Contact contact) {
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Object[] objs = new Object[] {contact.getName(), contact.getEmail(), contact.getId()};
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super.update(objs);
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}
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}
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protected class ContactsAllQuery extends MappingSqlQuery<Contact> {
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protected ContactsAllQuery(DataSource ds) {
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super(ds, "SELECT id, contact_name, email FROM contacts ORDER BY id");
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compile();
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}
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protected Contact mapRow(ResultSet rs, int rownum) throws SQLException {
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Contact contact = new Contact();
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contact.setId(new Long(rs.getLong("id")));
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contact.setName(rs.getString("contact_name"));
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contact.setEmail(rs.getString("email"));
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return contact;
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}
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}
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protected class ContactsByIdQuery extends MappingSqlQuery<Contact> {
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protected ContactsByIdQuery(DataSource ds) {
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super(ds, "SELECT id, contact_name, email FROM contacts WHERE id = ? ORDER BY id");
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declareParameter(new SqlParameter(Types.BIGINT));
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compile();
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}
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protected Contact mapRow(ResultSet rs, int rownum) throws SQLException {
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Contact contact = new Contact();
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contact.setId(new Long(rs.getLong("id")));
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contact.setName(rs.getString("contact_name"));
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contact.setEmail(rs.getString("email"));
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return contact;
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}
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}
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protected class PermissionDelete extends SqlUpdate {
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protected PermissionDelete(DataSource ds) {
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super(ds, "DELETE FROM acl_permission WHERE ACL_OBJECT_IDENTITY = ? AND RECIPIENT = ?");
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declareParameter(new SqlParameter(Types.BIGINT));
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declareParameter(new SqlParameter(Types.VARCHAR));
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compile();
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}
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protected void delete(Long aclObjectIdentity, String recipient) {
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super.update(new Object[] {aclObjectIdentity, recipient});
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}
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}
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protected class PermissionInsert extends SqlUpdate {
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protected PermissionInsert(DataSource ds) {
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super(ds, "INSERT INTO acl_permission VALUES (?, ?, ?, ?);");
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declareParameter(new SqlParameter(Types.BIGINT));
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declareParameter(new SqlParameter(Types.BIGINT));
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declareParameter(new SqlParameter(Types.VARCHAR));
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declareParameter(new SqlParameter(Types.INTEGER));
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compile();
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}
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protected int insert(Long aclObjectIdentity, String recipient, Integer mask) {
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Object[] objs = new Object[] {null, aclObjectIdentity, recipient, mask};
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super.update(objs);
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return getJdbcTemplate().queryForInt("call identity()");
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}
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}
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protected class PrincipalsAllQuery extends MappingSqlQuery<String> {
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protected PrincipalsAllQuery(DataSource ds) {
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super(ds, "SELECT username FROM users ORDER BY username");
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compile();
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}
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protected String mapRow(ResultSet rs, int rownum) throws SQLException {
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return rs.getString("username");
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}
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}
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protected class RolesAllQuery extends MappingSqlQuery<String> {
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protected RolesAllQuery(DataSource ds) {
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super(ds, "SELECT DISTINCT authority FROM authorities ORDER BY authority");
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compile();
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}
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protected String mapRow(ResultSet rs, int rownum) throws SQLException {
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return rs.getString("authority");
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}
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return contact;
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}
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}
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