Examples with Activate org.apache.felix.scr.annotations.Activate used on opensource projects

Example 71 with Activate

use of org.apache.felix.scr.annotations.Activate in project stanbol by apache.

the class CeliLemmatizerEnhancementEngine method activate.

@Override
@Activate
protected void activate(ComponentContext ctx) throws IOException, ConfigurationException {
    super.activate(ctx);
    Dictionary<String, Object> properties = ctx.getProperties();
    this.licenseKey = Utils.getLicenseKey(properties, ctx.getBundleContext());
    String url = (String) properties.get(SERVICE_URL);
    if (url == null || url.isEmpty()) {
        throw new ConfigurationException(SERVICE_URL, String.format("%s : please configure the URL of the CELI Web Service (e.g. by" + "using the 'Configuration' tab of the Apache Felix Web Console).", getClass().getSimpleName()));
    }
    this.serviceURL = new URL(url);
    try {
        this.completeMorphoAnalysis = (Boolean) properties.get(MORPHOLOGICAL_ANALYSIS);
    } catch (Exception e) {
        this.completeMorphoAnalysis = false;
    }
    int conTimeout = Utils.getConnectionTimeout(properties, ctx.getBundleContext());
    this.client = new LemmatizerClientHTTP(this.serviceURL, this.licenseKey, conTimeout);
}

Example 72 with Activate

use of org.apache.felix.scr.annotations.Activate in project stanbol by apache.

the class EntityhubDereferenceEngine method activate.

@Activate
@SuppressWarnings("unchecked")
protected void activate(ComponentContext ctx) throws ConfigurationException {
    Dictionary<String, Object> properties = ctx.getProperties();
    bundleContext = ctx.getBundleContext();
    log.info("> activate {}", getClass().getSimpleName());
    // get the metadata later set to the enhancement engine
    DereferenceEngineConfig engineConfig = new DereferenceEngineConfig(properties, prefixService);
    log.debug(" - engineName: {}", engineConfig.getEngineName());
    // parse the Entityhub Site used for dereferencing
    Object value = properties.get(SITE_ID);
    // init the EntitySource
    if (value == null) {
        // all referenced sites
        siteName = "*";
    } else {
        siteName = value.toString();
    }
    if (siteName.isEmpty()) {
        siteName = "*";
    }
    log.debug(" - siteName: {}", siteName);
    final boolean sharedPoolState;
    value = properties.get(SHARED_THREAD_POOL_STATE);
    if (value instanceof Boolean) {
        sharedPoolState = ((Boolean) value).booleanValue();
    } else if (value != null && !StringUtils.isBlank(value.toString())) {
        sharedPoolState = Boolean.parseBoolean(value.toString());
    } else {
        sharedPoolState = DEFAULT_SHARED_THREAD_POOL_STATE;
    }
    final ExecutorServiceProvider esProvider;
    log.debug(" - shared thread pool state: {}", sharedPoolState);
    if (sharedPoolState) {
        esProvider = new SharedExecutorServiceProvider(ctx.getBundleContext());
    } else {
        // we need to create our own ExecutorService
        value = properties.get(THREAD_POOL_SIZE);
        if (value instanceof Number) {
            this.threadPoolSize = ((Number) value).intValue();
        } else if (value != null) {
            try {
                this.threadPoolSize = Integer.parseInt(value.toString());
            } catch (NumberFormatException e) {
                throw new ConfigurationException(THREAD_POOL_SIZE, "Value '" + value + "'(type: " + value.getClass().getName() + ") can not be parsed " + "as Integer");
            }
        } else {
            this.threadPoolSize = DEFAULT_THREAD_POOL_SIZE;
        }
        if (threadPoolSize > 0) {
            String namePattern = getClass().getSimpleName() + "-" + engineConfig.getEngineName() + "-thread-%s";
            ThreadFactory threadFactory = new ThreadFactoryBuilder().setNameFormat(namePattern).setDaemon(true).build();
            log.debug(" - create Threadpool(namePattern='{}' | size='{}')", namePattern, threadPoolSize);
            executorService = Executors.newFixedThreadPool(threadPoolSize, threadFactory);
        } else {
            log.debug(" - no thread pool configured (poolSize: {})", threadPoolSize);
            executorService = null;
        }
        esProvider = new StaticExecutorServiceProvider(executorService);
    }
    // init the tracking entity searcher
    trackedServiceCount = 0;
    if (Entityhub.ENTITYHUB_IDS.contains(siteName.toLowerCase())) {
        log.info("  ... init Entityhub dereferencer");
        entityDereferencer = new EntityhubDereferencer(bundleContext, this, esProvider);
    } else if (siteName.equals("*")) {
        log.info("  ... init dereferencer for all referenced sites");
        entityDereferencer = new SitesDereferencer(bundleContext, this, esProvider);
    } else {
        log.info(" ... init dereferencer for referenced site {}", siteName);
        entityDereferencer = new SiteDereferencer(bundleContext, siteName, this, esProvider);
    }
    // set the namespace prefix service to the dereferencer
    entityDereferencer.setNsPrefixService(prefixService);
    // now parse dereference field config
    entityDereferencer.setDereferencedFields(engineConfig.getDereferenceFields());
    entityDereferencer.setLdPath(engineConfig.getLdPathProgram());
    entityDereferenceEngine = new EntityDereferenceEngine(entityDereferencer, engineConfig, new // we want to use our own DereferenceContext impl
    DereferenceContextFactory() {

        @Override
        public DereferenceContext createContext(EntityDereferenceEngine engine, Map<String, Object> enhancementProperties) throws DereferenceConfigurationException {
            return new EntityhubDereferenceContext(engine, enhancementProperties);
        }
    });
    // NOTE: registration of this instance as OSGI service is done as soon as the
    // entityhub service backing the entityDereferencer is available.
    // finally start tracking
    entityDereferencer.open();
}

Example 73 with Activate

use of org.apache.felix.scr.annotations.Activate in project stanbol by apache.

the class CeliClassificationEnhancementEngine method activate.

@Override
@Activate
protected void activate(ComponentContext ctx) throws IOException, ConfigurationException {
    super.activate(ctx);
    @SuppressWarnings("unchecked") Dictionary<String, Object> properties = ctx.getProperties();
    this.licenseKey = Utils.getLicenseKey(properties, ctx.getBundleContext());
    String url = (String) properties.get(SERVICE_URL);
    if (url == null || url.isEmpty()) {
        throw new ConfigurationException(SERVICE_URL, String.format("%s : please configure the URL of the CELI Web Service (e.g. by" + "using the 'Configuration' tab of the Apache Felix Web Console).", getClass().getSimpleName()));
    }
    this.serviceURL = new URL(url);
    int conTimeout = Utils.getConnectionTimeout(properties, ctx.getBundleContext());
    this.client = new ClassificationClientHTTP(this.serviceURL, this.licenseKey, conTimeout);
}

Example 74 with Activate

use of org.apache.felix.scr.annotations.Activate in project stanbol by apache.

the class EnhancementEnginesRootResource method activate.

@Activate
protected void activate(ComponentContext ctx) {
    final BundleContext bc = ctx.getBundleContext();
    engineTracker = new EnginesTracker(bc, Collections.<String>emptySet(), new ServiceTrackerCustomizer() {

        @Override
        public Object addingService(ServiceReference reference) {
            Object service = bc.getService(reference);
            if (service != null) {
                // rebuild the cache on the next call
                _enginesCache = null;
            }
            return service;
        }

        @Override
        public void modifiedService(ServiceReference reference, Object service) {
            // rebuild the cache on the next call
            _enginesCache = null;
        }

        @Override
        public void removedService(ServiceReference reference, Object service) {
            if (reference != null) {
                bc.ungetService(reference);
                // rebuild the cache on the next call
                _enginesCache = null;
            }
        }
    });
    engineTracker.open();
}

Example 75 with Activate

use of org.apache.felix.scr.annotations.Activate in project stanbol by apache.

the class ChainsRootResource method activate.

@Activate
public void activate(ComponentContext ctx) {
    final BundleContext bc = ctx.getBundleContext();
    chainTracker = new ChainsTracker(ctx.getBundleContext(), Collections.<String>emptySet(), new ServiceTrackerCustomizer() {

        @Override
        public Object addingService(ServiceReference reference) {
            Object service = bc.getService(reference);
            if (service != null) {
                // rebuild the cache on the next call
                _chainCache = null;
            }
            return service;
        }

        @Override
        public void modifiedService(ServiceReference reference, Object service) {
            // rebuild the cache on the next call
            _chainCache = null;
        }

        @Override
        public void removedService(ServiceReference reference, Object service) {
            if (reference != null) {
                bc.ungetService(reference);
                // rebuild the cache on the next call
                _chainCache = null;
            }
        }
    });
    chainTracker.open();
}