@Override
protected void initFromConfiguration(LogAppenderDto appender, FlumeConfig configuration) {
LOG.debug("Initializing new instance of Flume log appender");
try {
this.configuration = configuration;
flumeEventBuilder = new FlumeAvroEventBuilder();
flumeEventBuilder.init(configuration);
int executorPoolSize =
Math.min(configuration.getExecutorThreadPoolSize(), MAX_CALLBACK_THREAD_POOL_SIZE);
int callbackPoolSize =
Math.min(configuration.getCallbackThreadPoolSize(), MAX_CALLBACK_THREAD_POOL_SIZE);
executor = Executors.newFixedThreadPool(executorPoolSize);
callbackExecutor = Executors.newFixedThreadPool(callbackPoolSize);
flumeClientManager = FlumeClientManager.getInstance(configuration);
} catch (Exception e) {
LOG.error("Failed to init Flume log appender: ", e);
}
}
@Override
public void close() {
if (!closed) {
closed = true;
if (flumeClientManager != null) {
flumeClientManager.cleanUp();
}
if (executor != null) {
executor.shutdownNow();
}
if (callbackExecutor != null) {
callbackExecutor.shutdownNow();
}
if (scheduler != null) {
scheduler.shutdownNow();
}
flumeClientManager = null;
}
LOG.debug("Stoped Flume log appender.");
}
public void reinit() {
if (configuration == null) {
LOG.warn(
"Flume configuration wasn't initialized. Invoke method init with configuration before.");
return;
}
if (flumeEventBuilder == null) {
flumeEventBuilder = new FlumeAvroEventBuilder();
flumeEventBuilder.init(configuration);
}
if (executor == null) {
int executorPoolSize =
Math.min(configuration.getExecutorThreadPoolSize(), MAX_CALLBACK_THREAD_POOL_SIZE);
executor = Executors.newFixedThreadPool(executorPoolSize);
}
if (callbackExecutor == null) {
int callbackPoolSize =
Math.min(configuration.getCallbackThreadPoolSize(), MAX_CALLBACK_THREAD_POOL_SIZE);
callbackExecutor = Executors.newFixedThreadPool(callbackPoolSize);
}
if (flumeClientManager == null) {
flumeClientManager = FlumeClientManager.getInstance(configuration);
}
}