Examples with DelegatingConfiguration org.apache.flink.configuration.DelegatingConfiguration used on opensource projects

Example 1 with DelegatingConfiguration

use of org.apache.flink.configuration.DelegatingConfiguration in project flink by apache.

the class MetricRegistryConfiguration method fromConfiguration.

// ------------------------------------------------------------------------
//  Static factory methods
// ------------------------------------------------------------------------
/**
	 * Create a metric registry configuration object from the given {@link Configuration}.
	 *
	 * @param configuration to generate the metric registry configuration from
	 * @return Metric registry configuration generated from the configuration
	 */
public static MetricRegistryConfiguration fromConfiguration(Configuration configuration) {
    ScopeFormats scopeFormats;
    try {
        scopeFormats = createScopeConfig(configuration);
    } catch (Exception e) {
        LOG.warn("Failed to parse scope format, using default scope formats", e);
        scopeFormats = new ScopeFormats();
    }
    char delim;
    try {
        delim = configuration.getString(ConfigConstants.METRICS_SCOPE_DELIMITER, ".").charAt(0);
    } catch (Exception e) {
        LOG.warn("Failed to parse delimiter, using default delimiter.", e);
        delim = '.';
    }
    final String definedReporters = configuration.getString(ConfigConstants.METRICS_REPORTERS_LIST, null);
    List<Tuple2<String, Configuration>> reporterConfigurations;
    if (definedReporters == null) {
        reporterConfigurations = Collections.emptyList();
    } else {
        String[] namedReporters = splitPattern.split(definedReporters);
        reporterConfigurations = new ArrayList<>(namedReporters.length);
        for (String namedReporter : namedReporters) {
            DelegatingConfiguration delegatingConfiguration = new DelegatingConfiguration(configuration, ConfigConstants.METRICS_REPORTER_PREFIX + namedReporter + '.');
            reporterConfigurations.add(Tuple2.of(namedReporter, (Configuration) delegatingConfiguration));
        }
    }
    return new MetricRegistryConfiguration(scopeFormats, delim, reporterConfigurations);
}

Example 2 with DelegatingConfiguration

use of org.apache.flink.configuration.DelegatingConfiguration in project flink by apache.

the class TaskConfig method setTypeComparatorFactory.

private void setTypeComparatorFactory(TypeComparatorFactory<?> factory, String classNameKey, String parametersPrefix) {
    // sanity check the factory type
    InstantiationUtil.checkForInstantiation(factory.getClass());
    // store the type
    this.config.setString(classNameKey, factory.getClass().getName());
    // store the parameters
    final DelegatingConfiguration parameters = new DelegatingConfiguration(this.config, parametersPrefix);
    factory.writeParametersToConfig(parameters);
}

Example 3 with DelegatingConfiguration

use of org.apache.flink.configuration.DelegatingConfiguration in project flink by apache.

the class TaskConfig method setTypeSerializerFactory.

// --------------------------------------------------------------------------------------------
//                                    Miscellaneous
// --------------------------------------------------------------------------------------------
private void setTypeSerializerFactory(TypeSerializerFactory<?> factory, String classNameKey, String parametersPrefix) {
    // sanity check the factory type
    InstantiationUtil.checkForInstantiation(factory.getClass());
    // store the type
    this.config.setString(classNameKey, factory.getClass().getName());
    // store the parameters
    final DelegatingConfiguration parameters = new DelegatingConfiguration(this.config, parametersPrefix);
    factory.writeParametersToConfig(parameters);
}

Example 4 with DelegatingConfiguration

use of org.apache.flink.configuration.DelegatingConfiguration in project flink by apache.

the class TaskConfig method getTypeComparatorFactory.

private <T> TypeComparatorFactory<T> getTypeComparatorFactory(String classNameKey, String parametersPrefix, ClassLoader cl) {
    // check the class name
    final String className = this.config.getString(classNameKey, null);
    if (className == null) {
        return null;
    }
    // instantiate the class
    @SuppressWarnings("unchecked") final Class<TypeComparatorFactory<T>> superClass = (Class<TypeComparatorFactory<T>>) (Class<?>) TypeComparatorFactory.class;
    final TypeComparatorFactory<T> factory;
    try {
        Class<? extends TypeComparatorFactory<T>> clazz = Class.forName(className, true, cl).asSubclass(superClass);
        factory = InstantiationUtil.instantiate(clazz, superClass);
    } catch (ClassNotFoundException cnfex) {
        throw new RuntimeException("The class '" + className + "', noted in the configuration as " + "comparator factory, could not be found. It is not part of the user code's class loader resources.");
    } catch (ClassCastException ccex) {
        throw new CorruptConfigurationException("The class noted in the configuration as the comparator factory " + "is no subclass of TypeComparatorFactory.");
    }
    // parameterize the comparator factory
    final Configuration parameters = new DelegatingConfiguration(this.config, parametersPrefix);
    try {
        factory.readParametersFromConfig(parameters, cl);
    } catch (ClassNotFoundException cnfex) {
        throw new RuntimeException("The type serializer factory could not load its parameters from the " + "configuration due to missing classes.", cnfex);
    }
    return factory;
}

Example 5 with DelegatingConfiguration

use of org.apache.flink.configuration.DelegatingConfiguration in project flink by apache.

the class TaskConfig method getTypeSerializerFactory.

private <T> TypeSerializerFactory<T> getTypeSerializerFactory(String classNameKey, String parametersPrefix, ClassLoader cl) {
    // check the class name
    final String className = this.config.getString(classNameKey, null);
    if (className == null) {
        return null;
    }
    // instantiate the class
    @SuppressWarnings("unchecked") final Class<TypeSerializerFactory<T>> superClass = (Class<TypeSerializerFactory<T>>) (Class<?>) TypeSerializerFactory.class;
    final TypeSerializerFactory<T> factory;
    try {
        Class<? extends TypeSerializerFactory<T>> clazz = Class.forName(className, true, cl).asSubclass(superClass);
        factory = InstantiationUtil.instantiate(clazz, superClass);
    } catch (ClassNotFoundException cnfex) {
        throw new RuntimeException("The class '" + className + "', noted in the configuration as " + "serializer factory, could not be found. It is not part of the user code's class loader resources.");
    } catch (ClassCastException ccex) {
        throw new CorruptConfigurationException("The class noted in the configuration as the serializer factory " + "is no subclass of TypeSerializerFactory.");
    }
    // parameterize the comparator factory
    final Configuration parameters = new DelegatingConfiguration(this.config, parametersPrefix);
    try {
        factory.readParametersFromConfig(parameters, cl);
    } catch (ClassNotFoundException cnfex) {
        throw new RuntimeException("The type serializer factory could not load its parameters from the " + "configuration due to missing classes.", cnfex);
    }
    return factory;
}