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Merged
thiagotnunes merged 3 commits into from
Mar 2, 2021
Merged

samples: parameterises create backup version time #930

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c643970
Merge branch 'pitr-samples' of github.com:googleapis/java-spanner int…
thiagotnunes Mar 2, 2021
dd3c09e
samples: parameterises create backup version time
thiagotnunes Mar 2, 2021
301ff0c
Merge branch 'pitr-samples' of github.com:googleapis/java-spanner int…
thiagotnunes Mar 2, 2021
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28 changes: 15 additions & 13 deletions samples/snippets/src/main/java/com/example/spanner/SpannerSample.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1584,19 +1584,11 @@ static void queryWithQueryOptions(DatabaseClient dbClient) {
// [END spanner_query_with_query_options]

// [START spanner_create_backup]
static void createBackup(
DatabaseClient databaseClient, DatabaseAdminClient dbAdminClient, DatabaseId databaseId,
BackupId backupId) {
static void createBackup(DatabaseAdminClient dbAdminClient, DatabaseId databaseId,
BackupId backupId, Timestamp versionTime) {
// Set expire time to 14 days from now.
Timestamp expireTime = Timestamp.ofTimeMicroseconds(TimeUnit.MICROSECONDS.convert(
System.currentTimeMillis() + TimeUnit.DAYS.toMillis(14), TimeUnit.MILLISECONDS));
// Sets the version time to the current time.
Timestamp versionTime;
try (ResultSet resultSet = databaseClient.singleUse()
.executeQuery(Statement.of("SELECT CURRENT_TIMESTAMP()"))) {
resultSet.next();
versionTime = resultSet.getTimestamp(0);
}
Backup backup =
dbAdminClient
.newBackupBuilder(backupId)
Expand Down Expand Up @@ -1900,7 +1892,8 @@ static void run(
InstanceAdminClient instanceAdminClient,
String command,
DatabaseId database,
BackupId backup) {
BackupId backup,
Timestamp versionTime) {
switch (command) {
case "createdatabase":
createDatabase(dbAdminClient, database);
Expand Down Expand Up @@ -2062,7 +2055,7 @@ static void run(
queryWithQueryOptions(dbClient);
break;
case "createbackup":
createBackup(dbClient, dbAdminClient, database, backup);
createBackup(dbAdminClient, database, backup, versionTime);
break;
case "cancelcreatebackup":
cancelCreateBackup(
Expand Down Expand Up @@ -2195,7 +2188,16 @@ public static void main(String[] args) throws Exception {
InstanceAdminClient instanceAdminClient = spanner.getInstanceAdminClient();
// Use client here...
// [END init_client]
run(dbClient, dbAdminClient, instanceAdminClient, command, db, backup);

// Generates a version time for the backup
Timestamp versionTime;
try (ResultSet resultSet = dbClient.singleUse()
.executeQuery(Statement.of("SELECT CURRENT_TIMESTAMP()"))) {
resultSet.next();
versionTime = resultSet.getTimestamp(0);
}

run(dbClient, dbAdminClient, instanceAdminClient, command, db, backup, versionTime);
// [START init_client]
} finally {
spanner.close();
Expand Down