-
Notifications
You must be signed in to change notification settings - Fork 3
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Current event number is initialised to zero if it does not exist on a…
…pp startup
- Loading branch information
amckenzie
committed
Dec 14, 2018
1 parent
41bc3d6
commit 0dc40df
Showing
19 changed files
with
407 additions
and
230 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
61 changes: 61 additions & 0 deletions
61
...uk/gov/justice/services/event/source/subscriptions/repository/jdbc/SubscriptionsJdbc.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package uk.gov.justice.services.event.source.subscriptions.repository.jdbc; | ||
|
|
||
| import static java.util.Optional.empty; | ||
| import static java.util.Optional.of; | ||
|
|
||
| import java.sql.Connection; | ||
| import java.sql.PreparedStatement; | ||
| import java.sql.ResultSet; | ||
| import java.sql.SQLException; | ||
| import java.util.Optional; | ||
|
|
||
| public class SubscriptionsJdbc { | ||
|
|
||
| private static final String INSERT_OR_UPDATE_EVENT_NUMBER_SQL = | ||
| "INSERT INTO subscriptions (subscription_name, current_event_number) VALUES (?, ?) " + | ||
| "ON CONFLICT (subscription_name) DO UPDATE " + | ||
| "SET current_event_number = EXCLUDED.current_event_number"; | ||
| private static final String SELECT_CURRENT_EVENT_NUMBER_SQL = | ||
| "SELECT current_event_number " + | ||
| "FROM subscriptions " + | ||
| "WHERE subscription_name = ?"; | ||
| private static final String DELETE_CURRENT_EVENT_NUMBER_SQL = | ||
| "DELETE FROM subscriptions " + | ||
| "WHERE subscription_name = ?"; | ||
|
|
||
|
|
||
| public Optional<Long> readCurrentEventNumber(final String subscriptionName, final Connection connection) throws SQLException { | ||
|
|
||
| try (final PreparedStatement preparedStatement = connection.prepareStatement(SELECT_CURRENT_EVENT_NUMBER_SQL)) { | ||
|
|
||
| preparedStatement.setString(1, subscriptionName); | ||
|
|
||
| try (final ResultSet resultSet = preparedStatement.executeQuery()) { | ||
| if (resultSet.next()) { | ||
| return of(resultSet.getLong(1)); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return empty(); | ||
| } | ||
|
|
||
| @SuppressWarnings("OptionalGetWithoutIsPresent") | ||
| public void insertOrUpdateCurrentEventNumber(final long eventNumber, final String subscriptionName, final Connection connection) throws SQLException { | ||
|
|
||
| try (final PreparedStatement preparedStatement = connection.prepareStatement(INSERT_OR_UPDATE_EVENT_NUMBER_SQL)) { | ||
| preparedStatement.setString(1, subscriptionName); | ||
| preparedStatement.setLong(2, eventNumber); | ||
| preparedStatement.executeUpdate(); | ||
| } | ||
| } | ||
|
|
||
| public void deleteCurrentEventNumber(final String subscriptionName, final Connection connection) throws SQLException { | ||
|
|
||
| try (final PreparedStatement preparedStatement = connection.prepareStatement(DELETE_CURRENT_EVENT_NUMBER_SQL)) { | ||
|
|
||
| preparedStatement.setString(1, subscriptionName); | ||
| preparedStatement.executeUpdate(); | ||
| } | ||
| } | ||
| } |
Oops, something went wrong.