com.facebook.presto.spi.transaction.IsolationLevel Java Examples

The following examples show how to use com.facebook.presto.spi.transaction.IsolationLevel. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: ElasticsearchConnector.java    From presto-connectors with Apache License 2.0 5 votes vote down vote up
@Override
public ConnectorTransactionHandle beginTransaction(IsolationLevel isolationLevel, boolean readOnly)
{
    checkConnectorSupports(READ_UNCOMMITTED, isolationLevel);
    ConnectorTransactionHandle transaction = new ElasticsearchTransactionHandle();
    transactions.put(transaction, new ElasticsearchMetadata(connectorId, client));
    return transaction;
}
 
Example #2
Source File: ParaflowConnector.java    From paraflow with Apache License 2.0 5 votes vote down vote up
@Override
public ConnectorTransactionHandle beginTransaction(IsolationLevel isolationLevel, boolean readOnly)
{
    checkConnectorSupports(READ_UNCOMMITTED, isolationLevel);
    ParaflowTransactionHandle transaction = new ParaflowTransactionHandle();
    transactions.putIfAbsent(transaction, paraflowMetadataFactory.create());
    return transaction;
}
 
Example #3
Source File: KubeConnector.java    From kubesql with Apache License 2.0 4 votes vote down vote up
@Override
public ConnectorTransactionHandle beginTransaction(IsolationLevel isolationLevel, boolean readOnly)
{
    checkConnectorSupports(READ_COMMITTED, isolationLevel);
    return KubeTransactionHandle.INSTANCE;
}
 
Example #4
Source File: HbaseConnector.java    From presto-connectors with Apache License 2.0 4 votes vote down vote up
@Override
public ConnectorTransactionHandle beginTransaction(IsolationLevel isolationLevel, boolean readOnly)
{
    checkConnectorSupports(READ_UNCOMMITTED, isolationLevel);
    return new HbaseTransactionHandle();
}
 
Example #5
Source File: EthereumConnector.java    From presto-ethereum with Apache License 2.0 4 votes vote down vote up
@Override
public ConnectorTransactionHandle beginTransaction(IsolationLevel isolationLevel, boolean readOnly) {
    checkConnectorSupports(READ_COMMITTED, isolationLevel);
    return EthereumTransactionHandle.INSTANCE;
}
 
Example #6
Source File: KuduConnector.java    From presto-kudu with Apache License 2.0 4 votes vote down vote up
@Override
public ConnectorTransactionHandle beginTransaction(IsolationLevel isolationLevel,
                                                   boolean readOnly) {
    checkConnectorSupports(READ_COMMITTED, isolationLevel);
    return KuduTransactionHandle.INSTANCE;
}
 
Example #7
Source File: BitcoinConnector.java    From hadoopcryptoledger with Apache License 2.0 4 votes vote down vote up
@Override
public ConnectorTransactionHandle beginTransaction(IsolationLevel isolationLevel, boolean readOnly) {
	// TODO Auto-generated method stub
	return null;
}
 
Example #8
Source File: KinesisConnector.java    From presto-kinesis with Apache License 2.0 4 votes vote down vote up
@Override
public ConnectorTransactionHandle beginTransaction(IsolationLevel isolationLevel, boolean b)
{
    checkConnectorSupports(READ_COMMITTED, isolationLevel);
    return KinesisTransactionHandle.INSTANCE;
}