org.apache.derby.impl.sql.execute
Class SetTransactionIsolationConstantAction
java.lang.Object
org.apache.derby.impl.sql.execute.GenericConstantAction
org.apache.derby.impl.sql.execute.SetTransactionIsolationConstantAction
- All Implemented Interfaces:
- ConstantAction
- class SetTransactionIsolationConstantAction
- extends GenericConstantAction
This class describes actions that are ALWAYS performed for a
SET TRANSACTION ISOLATION Statement at Execution time.
- Author:
- Jerry Brenner.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
isolationLevel
private final int isolationLevel
SetTransactionIsolationConstantAction
SetTransactionIsolationConstantAction(int isolationLevel)
- Make the ConstantAction for a SET TRANSACTION ISOLATION statement.
- Parameters:
isolationLevel
- The new isolation level
toString
public java.lang.String toString()
executeConstantAction
public void executeConstantAction(Activation activation)
throws StandardException
- This is the guts of the Execution-time logic for SET TRANSACTION ISOLATION.
- Parameters:
activation
- The execution environment for this constant action.
- Throws:
StandardException
- Thrown on failure- See Also:
ConstantAction.executeConstantAction(org.apache.derby.iapi.sql.Activation)
modifiesTableId
public boolean modifiesTableId(UUID tableId)
throws StandardException
- Does this constant action modify the passed in table
uuid? By modify we mean add or drop things tied to
this table (e.g. index, trigger, constraint). Things
like views or spses that reference this table don't
count.
- Specified by:
modifiesTableId
in interface ConstantAction
- Parameters:
tableId
- the other table id
- Throws:
StandardException
- thrown on failure
readExternal
public final void readExternal(java.io.ObjectInput in)
writeExternal
public final void writeExternal(java.io.ObjectOutput out)
upToDate
public final boolean upToDate()
throws StandardException
- Reports whether these constants are up-to-date. This returns true
for homogenous Cloudscape/Cloudsync. For the Plugin, this may
return false;
- Specified by:
upToDate
in interface ConstantAction
- Returns:
- true if these constants are up-to-date
false otherwise
- Throws:
StandardException
Apache Derby V10.0 Engine Documentation - Copyright © 1997,2004 The Apache Software Foundation or its licensors, as applicable.