/**
* Method to safely execute a function.
*
* @param connection
* @param input The MappedRecord containing the input arguments.
* @return The MappedRecord containing the results or null if the call fails.
*/
public MappedRecord executeFunction(String returnTableKey) {
/*
* Create the connection and interaction
*/
createConnectionInteraction();
/*
* Retrieve the mapped record
*/
MappedRecord outputRecord = null;
try {
if (inputRecord == null) {
getInputRecord();
}
outputRecord = (MappedRecord) interaction.execute(null, inputRecord);
} catch (ResourceException e) {
TransactionHelper.logAndThrowDataException(
callingFunctionName, "Failure executing function: ", e);
}
if (outputRecord == null) {
TransactionHelper.logAndThrowDataException(callingFunctionName, "Output record null ", null);
}
/*
* Check for BAPI errors
*/
TransactionHelper.errorMessagesReturned(
validationMap, outputRecord, returnTableKey, this.callingFunctionName);
return outputRecord;
}
/**
* This method opens a connection and the interaction.
*
* @return True if successful, false if not.
*/
public void createConnectionInteraction() {
if (this.connectionFactory == null) {
TransactionHelper.logAndThrowDataException(
callingFunctionName,
"Failure looking up a connection factory for resource name: " + resourceName,
null);
}
try {
/*
* Get a connection from the connection factory. Requires that
* setupConnectionFactory was called successfully beforehand.
*/
connection = connectionFactory.getConnection();
/*
* Create an interaction object to make a call to an SAP system
* where you can send your business data and receive data back:
*/
interaction = connection.createInteraction();
} catch (Throwable e) {
TransactionHelper.logAndThrowDataException(
callingFunctionName, "Failure getting connection for resource name: " + resourceName, e);
}
}
/**
* This method safely looks up a record factory from the connection factory.
*
* <p>If the JRA connection is going to fail, it will fail in this step. For example, if the
* service account password expires, then there will be an authorization error in the
* createMappedRecord call.
*
* @param transactionObject
* @param functionName The BAPI name for which we get the mapped record.
* @return A RecordFactory object or null if there is an error.
*/
public MappedRecord getInputRecord() {
try {
if (null == inputRecord) {
inputRecord = recordFactory.createMappedRecord(functionName);
}
} catch (Throwable e) {
/*
* Experience has shown that, if the JRA connection fails, it fails
* in this method. Usually the problem is that the service account
* is no longer authenticating.
*/
TransactionHelper.logAndThrowDataException(
callingFunctionName,
"Failure getting a mapped record for function: " + functionName + " in resource: ",
e);
}
return inputRecord;
}
/**
* Added by Kunal Jaggi Method to safely execute a function.
*
* @param input The MappedRecord containing the input arguments.
* @return The MappedRecord containing the results or null if the call fails.
*/
public MappedRecord executeFunction(MappedRecord input) {
/*
* Create the connection and interaction
*/
createConnectionInteraction();
/*
* Retrieve the mapped record
*/
MappedRecord outputRecord = null;
try {
outputRecord = (MappedRecord) interaction.execute(null, input);
} catch (ResourceException e) {
TransactionHelper.logAndThrowDataException(
callingFunctionName,
"Failure executing function: " + functionName + " in resource: " + resourceName,
e);
}
return outputRecord;
}