Examples with OnEnabled org.apache.nifi.annotation.lifecycle.OnEnabled used on opensource projects

Example 1 with OnEnabled

use of org.apache.nifi.annotation.lifecycle.OnEnabled in project kylo by Teradata.

the class DistributedSavepointController method onConfigured.

@OnEnabled
public void onConfigured(final ConfigurationContext context) throws InitializationException {
    getLogger().info("Configuring Savepoint controller.");
    final DistributedMapCacheClient cacheClient = context.getProperty(DISTRIBUTED_CACHE_SERVICE).asControllerService(DistributedMapCacheClient.class);
    this.provider = new DistributedSavepointProviderImpl(cacheClient);
    this.provider.subscribeDistributedSavepointChanges(this.cache);
    this.springService = context.getProperty(SPRING_SERVICE).asControllerService(SpringContextService.class);
    addJmsListeners();
}

Example 2 with OnEnabled

use of org.apache.nifi.annotation.lifecycle.OnEnabled in project kylo by Teradata.

the class SpringContextLoaderService method loadConfiurations.

/**
 * Called by the framework to load controller configurations, this method
 * will create a spring context
 *
 * @param context not used in this case
 * @throws InitializationException an except thrown if there are any errors
 */
@OnEnabled
public void loadConfiurations(final ConfigurationContext context) throws InitializationException {
    try {
        AbstractRefreshableConfigApplicationContext appContext = new ClassPathXmlApplicationContext();
        appContext.setClassLoader(getClass().getClassLoader());
        appContext.setConfigLocation("application-context.xml");
        getLogger().info("Refreshing spring context");
        appContext.refresh();
        getLogger().info("Spring context refreshed");
        this.contextFuture.set(appContext);
    } catch (BeansException | IllegalStateException e) {
        getLogger().error("Failed to load spring configurations", e);
        throw new InitializationException(e);
    }
}

Example 3 with OnEnabled

use of org.apache.nifi.annotation.lifecycle.OnEnabled in project nifi by apache.

the class ConfluentSchemaRegistry method onEnabled.

@OnEnabled
public void onEnabled(final ConfigurationContext context) {
    final List<String> baseUrls = getBaseURLs(context);
    final int timeoutMillis = context.getProperty(TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue();
    final SSLContext sslContext;
    final SSLContextService sslContextService = context.getProperty(SSL_CONTEXT).asControllerService(SSLContextService.class);
    if (sslContextService == null) {
        sslContext = null;
    } else {
        sslContext = sslContextService.createSSLContext(ClientAuth.REQUIRED);
    }
    final SchemaRegistryClient restClient = new RestSchemaRegistryClient(baseUrls, timeoutMillis, sslContext, getLogger());
    final int cacheSize = context.getProperty(CACHE_SIZE).asInteger();
    final long cacheExpiration = context.getProperty(CACHE_EXPIRATION).asTimePeriod(TimeUnit.NANOSECONDS).longValue();
    client = new CachingSchemaRegistryClient(restClient, cacheSize, cacheExpiration);
}

Example 4 with OnEnabled

use of org.apache.nifi.annotation.lifecycle.OnEnabled in project nifi by apache.

the class CouchbaseClusterService method onConfigured.

/**
 * Establish a connection to a Couchbase cluster.
 * @param context the configuration context
 * @throws InitializationException if unable to connect a Couchbase cluster
 */
@OnEnabled
public void onConfigured(final ConfigurationContext context) throws InitializationException {
    for (PropertyDescriptor p : context.getProperties().keySet()) {
        if (p.isDynamic() && p.getName().startsWith(DYNAMIC_PROP_BUCKET_PASSWORD)) {
            String bucketName = p.getName().substring(DYNAMIC_PROP_BUCKET_PASSWORD.length());
            String password = context.getProperty(p).getValue();
            bucketPasswords.put(bucketName, password);
        }
    }
    try {
        cluster = CouchbaseCluster.fromConnectionString(context.getProperty(CONNECTION_STRING).getValue());
    } catch (CouchbaseException e) {
        throw new InitializationException(e);
    }
}

Example 5 with OnEnabled

use of org.apache.nifi.annotation.lifecycle.OnEnabled in project nifi by apache.

the class ElasticSearchClientServiceImpl method onEnabled.

@OnEnabled
public void onEnabled(final ConfigurationContext context) throws InitializationException {
    try {
        setupClient(context);
        charset = Charset.forName(context.getProperty(CHARSET).getValue());
    } catch (Exception ex) {
        getLogger().error("Could not initialize ElasticSearch client.", ex);
        throw new InitializationException(ex);
    }
}