@Override
public Map<TableName, SequenceValue> initSequences(
String tenantId, List<TableName> sequences, long timestamp) throws SQLException {
Map<TableName, SequenceValue> sequenceMap = Maps.newHashMapWithExpectedSize(sequences.size());
for (TableName name : sequences) {
PSequence sequence = metaData.getSequence(name);
if (sequence == null) {
throw new SequenceNotFoundException(name.getSchemaName(), name.getTableName());
}
SequenceValue existingValue = sequenceMap.get(name);
SequenceValue value = new SequenceValue(sequence);
if (existingValue != null) {
value.currentValue = existingValue.currentValue;
value.nextValue = existingValue.nextValue;
}
sequenceMap.put(name, value);
}
return sequenceMap;
}
@Override
public Long createSequence(
String tenantId,
String schemaName,
String sequenceName,
long startWith,
long incrementBy,
long timestamp)
throws SQLException {
TableName tableName = TableName.create(schemaName, sequenceName);
if (metaData.getSequence(tableName) != null) {
return null;
}
addSequence(tableName, new PSequenceImpl(incrementBy, startWith, timestamp));
SequenceValue value = new SequenceValue(incrementBy, startWith, timestamp);
value.currentValue = startWith;
value.nextValue = startWith;
sequenceMap.put(tableName, value);
return HConstants.LATEST_TIMESTAMP;
}