How to use

checkArgumentNotNull

method

in

org.metricssampler.util.Preconditions

public ConsoleMetricsWriter(final ConsoleOutputConfig config) {
  checkArgumentNotNull(config, "config");
  this.config = config;
}

public JdbcInputConfig(final String name, final Map<String, Object> variables, final String pool, final List<String> queries) {
  super(name, variables);
  checkArgumentNotNull(pool, "pool");
  checkArgumentNotNullNorEmpty(queries, "queries");
  this.pool= pool;
  this.queries = Collections.unmodifiableList(queries);
}

public RegExpSelectorConfig(final String namePattern, final String descriptionPattern, final String keyExpression) {
  checkArgumentNotNull(keyExpression, "keyExpression");
  this.namePattern = namePattern;
  this.descriptionPattern = descriptionPattern;
  this.keyExpression = keyExpression;
}

public JmxMetricName(final ObjectName objectName, final String attributeName, final PropertyPath propertyPath, final String description) {
  checkArgumentNotNull(objectName, "objectName");
  checkArgumentNotNull(propertyPath, "propertyPath");
  checkArgumentNotNullNorEmpty(attributeName, "attributeName");
  this.objectName = objectName;
  this.attributeName = attributeName;
  this.propertyPath = propertyPath;
  this.description = description;
  this.name = generateName();
}

public DefaultSampler addWriter(final MetricsWriter writer) {
  checkArgumentNotNull(writer, "writer");
  writers.add(writer);
  return this;
}

public InputConfig(final String name, final Map<String, Object> variables) {
  super(name);
  checkArgumentNotNull(variables, "variables");
  this.variables = unmodifiableMap(variables);
}

public DefaultSampler addValueTransformer(final ValueTransformer valueTransformer) {
  checkArgumentNotNull(valueTransformer, "valueTransformer");
  valueTransformers.add(valueTransformer);
  return this;
}

public DefaultSampler addWriter(final MetricsWriter writer) {
  checkArgumentNotNull(writer, "writer");
  writers.add(writer);
  return this;
}

public InputConfig(final String name, final Map<String, Object> variables) {
  super(name);
  checkArgumentNotNull(variables, "variables");
  this.variables = unmodifiableMap(variables);
}

public Configuration(final Collection<InputConfig> inputs, final Collection<OutputConfig> outputs, final Collection<SamplerConfig> samplers, final Map<String, Object> variables, final Map<String, SharedResourceConfig> sharedResources) {
  checkArgumentNotNull(inputs, "inputs");
  checkArgumentNotNull(outputs, "outputs");
  checkArgumentNotNull(samplers, "samplers");
  checkArgumentNotNull(variables, "variables");
  checkArgumentNotNull(sharedResources, "sharedResources");
  this.inputs = unmodifiableCollection(inputs);
  this.outputs = unmodifiableCollection(outputs);
  this.samplers = unmodifiableCollection(samplers);
  this.variables = unmodifiableMap(variables);
  this.sharedResources = unmodifiableMap(sharedResources);
}

public Configuration(final Collection<InputConfig> inputs, final Collection<OutputConfig> outputs, final Collection<SamplerConfig> samplers, final Map<String, Object> variables, final Map<String, SharedResourceConfig> sharedResources) {
  checkArgumentNotNull(inputs, "inputs");
  checkArgumentNotNull(outputs, "outputs");
  checkArgumentNotNull(samplers, "samplers");
  checkArgumentNotNull(variables, "variables");
  checkArgumentNotNull(sharedResources, "sharedResources");
  this.inputs = unmodifiableCollection(inputs);
  this.outputs = unmodifiableCollection(outputs);
  this.samplers = unmodifiableCollection(samplers);
  this.variables = unmodifiableMap(variables);
  this.sharedResources = unmodifiableMap(sharedResources);
}

public WebMethodsInputConfig(final String name, final Map<String, Object> variables, final URL url, final String username,
    final String password, final Map<String, String> headers, final boolean preemptiveAuthEnabled, final SocketOptionsConfig socketOptions,
    final long maxEntrySize, final DateFormat dateFormat) {
  super(name, variables, url, username, password, headers, preemptiveAuthEnabled, socketOptions, null);
  checkArgumentNotNull(dateFormat, "dateFormat");
  checkArgument(maxEntrySize > 0, "maxEntrySize must greater than 0");
  this.maxEntrySize = maxEntrySize;
  this.dateFormat = dateFormat;
}

public GraphiteMetricsWriter(final GraphiteOutputConfig config) {
  checkArgumentNotNull(config, "config");
  this.config = config;
  this.logger = LoggerFactory.getLogger("writer."+config.getName());
}

public DefaultSampler addSelector(final MetricsSelector selector) {
  checkArgumentNotNull(selector, "selector");
  selectors.add(selector);
  selector.setVariables(variables);
  return this;
}

public DefaultSampler(final DefaultSamplerConfig config, final MetricsReader reader) {
  checkArgumentNotNull(config, "config");
  checkArgumentNotNull(reader, "reader");
  this.config = config;
  this.reader = reader;
  this.variables = prepareVariables();
  logger = LoggerFactory.getLogger("sampler." + this.config.getName());
  timingsLogger = LoggerFactory.getLogger("timings.sampler");
}

public GraphiteMetricsWriter(final GraphiteOutputConfig config) {
  checkArgumentNotNull(config, "config");
  this.config = config;
  this.logger = LoggerFactory.getLogger("writer."+config.getName());
}

public DefaultSampler(final DefaultSamplerConfig config, final MetricsReader reader) {
  checkArgumentNotNull(config, "config");
  checkArgumentNotNull(reader, "reader");
  this.config = config;
  this.reader = reader;
  this.variables = prepareVariables();
  logger = LoggerFactory.getLogger("sampler." + this.config.getName());
  timingsLogger = LoggerFactory.getLogger("timings.sampler");
}

protected String serializeValue(final String name, final MetricValue value) {
  checkArgumentNotNull(name, "name");
  checkArgumentNotNull(value, "value");
  final long timestamp = value.getTimestamp()/1000;
  final String prefixedName = (config.getPrefix() != null ? config.getPrefix() : "") + name;
  final String graphiteName = prefixedName.replaceAll(" ", "_");
  return graphiteName + " " + value.getValue()+" " + timestamp + "\n";
}

@Override
public void write(final Metrics metrics) {
  checkArgumentNotNull(metrics, "metrics");
  for (final Metric entry : metrics) {
    final MetricValue value = entry.getValue();
    final String timestampPrefix = dateFormat.format(new Date(value.getTimestamp())) + " ";
    System.out.println(timestampPrefix + entry.getName().getName() + "=" + value.getValue());
  }
}

public DefaultSamplerThreadPool(final ThreadPoolConfig config, boolean suspended) {
  checkArgumentNotNull(config, "config");
  this.config = config;
  this.suspended = suspended;
  startup();
  GlobalRegistry.getInstance().addSharedResource(this);
}