Package org.dbos.apiary.function

Class ApiaryTransactionalContext

java.lang.Object

org.dbos.apiary.function.ApiaryContext

org.dbos.apiary.function.ApiaryTransactionalContext

Direct Known Subclasses:

PostgresContext, VoltContext

public abstract class ApiaryTransactionalContext
extends ApiaryContext

ApiaryTransactionalContext is the base class for transactional function contexts.

Field Summary

Fields inherited from class org.dbos.apiary.function.ApiaryContext

execID, functionID, provBuff, service

Constructor Summary

Constructors

Constructor	Description
ApiaryTransactionalContext(ProvenanceBuffer provBuff, String service, long execID, long functionID)

Method Summary

Modifier and Type	Method	Description
abstract FunctionOutput	apiaryCallFunction(String name, Object... inputs)	Public Interface for functions.
long	apiaryGetTransactionId()	Get the current transaction ID.

Methods inherited from class org.dbos.apiary.function.ApiaryContext

apiaryQueueFunction, checkPreviousExecution, getFunctionOutput, recordExecution

Methods inherited from class java.lang.Object

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

Constructor Details

ApiaryTransactionalContext

public ApiaryTransactionalContext(ProvenanceBuffer provBuff,
 String service,
 long execID,
 long functionID)

Method Details

apiaryCallFunction

public abstract FunctionOutput apiaryCallFunction(String name,
 Object... inputs)

Public Interface for functions.

Specified by:

apiaryCallFunction in class ApiaryContext

Parameters:

name - the fully-qualified name of the invoked function.

inputs - the list of arguments provided to the invoked function.

Returns:

an FunctionOutput object that stores the output from a function.

apiaryGetTransactionId

public long apiaryGetTransactionId()

Get the current transaction ID.

Returns:

transaction ID.