io.cdap.plugin.db.batch

Class TransactionIsolationLevel

java.lang.Object

io.cdap.plugin.db.batch.TransactionIsolationLevel

public final class TransactionIsolationLevel
extends Object

Utility class for dealing with Connection's transaction isolation level constants. This class is needed primarily because the Connection class uses int constants, instead of Enums.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TransactionIsolationLevel.Level Enum mapping to the constants in Connection.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CONF_KEY

Method Summary

Modifier and Type	Method and Description
static int	getLevel(String level) Translates a transaction isolation level string to the corresponding int constant.
static void	validate(String level) Validates that the given level is either null or one of the possible transaction isolation levels.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

CONF_KEY

public static final String CONF_KEY

See Also:

Constant Field Values

Method Detail

getLevel

public static int getLevel(@Nullable
                           String level)

Translates a transaction isolation level string to the corresponding int constant. For instance, if given "TRANSACTION_NONE", will return 0, as that is the value of Connection.TRANSACTION_NONE. Defaults to Connection.TRANSACTION_SERIALIZABLE if the given input is null.

Parameters:

level - String version of the level.

Returns:

int corresponding to the constant in Connection for the level.

validate

public static void validate(@Nullable
                            String level)

Validates that the given level is either null or one of the possible transaction isolation levels.

Parameters:

level - the level to check