@Override
public void destroy() {
log.debug("destroy()... " + reportStatus());
if (configuration.metricsEnabled()) {
metricsReporter.stop();
}
messageProducer.terminate();
super.destroy();
}
@Override
public void init(DsConfiguration conf, DsMetaData metaData) {
super.init(conf, metaData);
log.info("Initializing handler: Mode =" + getMode());
configuration = configurationFactory.load(configurationPath);
messageProducer = KafkaProducerFactory.create(configuration.kafka());
messageEncoder = MessageEncoderFactory.create(configuration);
txFactory = new TxFactory();
if (configuration.metrics().isEnabled()) {
metricsReporter = MetricsReporterFactory.createReporter(configuration.metrics(), metrics);
}
}
@Override
public Status transactionBegin(DsEvent e, DsTransaction transaction) {
super.transactionBegin(e, transaction);
if (log.isDebugEnabled()) {
log.debug(
"Received begin tx event, numTx="
+ numTxs.get()
+ " : position="
+ transaction.getTranID()
+ ", totalOps="
+ transaction.getTotalOps());
}
return Status.OK;
}
@Override
public Status operationAdded(DsEvent e, DsTransaction transaction, DsOperation operation) {
Status overallStatus = Status.OK;
super.operationAdded(e, transaction, operation);
numOps.incrementAndGet();
final Tx tx = new Tx(transaction, getMetaData(), getConfig());
final TableMetaData tMeta = getMetaData().getTableMetaData(operation.getTableName());
final Op op = new Op(operation, tMeta, getConfig());
operation.getTokens();
if (isOperationMode()) {
if (log.isDebugEnabled()) {
log.debug(
" Received operation: table='"
+ op.getTableName()
+ "'"
+ ", pos="
+ op.getPosition()
+ " (total_ops= "
+ tx.getTotalOps()
+ ", buffered="
+ tx.getSize()
+ ")"
+ ", ts="
+ op.getTimestamp());
}
Status operationStatus = processOperation(tx, op);
if (Status.ABEND.equals(operationStatus)) {
overallStatus = Status.ABEND;
}
}
return overallStatus;
}
@Override
public Status transactionCommit(DsEvent e, DsTransaction transaction) {
Status overallStatus = Status.OK;
super.transactionCommit(e, transaction);
Tx tx = txFactory.createAdapterTx(transaction, getMetaData(), getConfig());
numTxs.incrementAndGet();
if (log.isDebugEnabled()) {
log.debug(
"transactionCommit event, tx #"
+ numTxs.get()
+ ":"
+ ", pos="
+ tx.getTranID()
+ " (total_ops= "
+ tx.getTotalOps()
+ ", buffered="
+ tx.getSize()
+ ")"
+ ", ts="
+ tx.getTimestamp()
+ ")");
}
if (!isOperationMode()) {
for (Op op : tx) {
Status operationStatus = processOperation(tx, op);
if (Status.ABEND.equals(operationStatus)) {
overallStatus = Status.ABEND;
}
}
}
return overallStatus;
}